/* ============================================================
 * 中医骨伤 AI-VSP 视觉（仿 Geeky Medics 文本对话风格）
 * - 主色：墨绿 #2C5F3E
 * - 强调：青绿 #16a39a
 * - 警示：暖红 #e15a5a
 * ============================================================ */

:root {
  --brand: #2C5F3E;
  --primary: #2C5F3E;
  --primary-soft: #e2ede4;
  --primary-dark: #1F4530;
  --primary-light: #a8c3b0;
  --accent: #16a39a;
  --accent-soft: #e2f4f1;
  --warn: #f2994a;
  --danger: #e15a5a;
  --green: #2ecc71;
  --ink-1: #1a1a2c;
  --ink-2: #4a4a5e;
  --ink-3: #8d8da3;
  --ink: #1a1a2c;
  --ink-soft: #8d8da3;
  --line: #e7e7ee;
  --line-strong: #d6d6e0;
  --bg-soft: #f5f5fa;
  --bg-card: #ffffff;
  --tag-history: #2a3f54;
  --tag-physical: #6f3e9c;
  --tag-tcm: #166f56;
  --shadow-sm: 0 1px 2px rgba(20, 20, 50, 0.05);
  --shadow-md: 0 4px 14px rgba(60, 60, 100, 0.10);
  --shadow-lg: 0 12px 28px rgba(60, 60, 100, 0.14);
  --radius-s: 8px;
  --radius-m: 12px;
  --radius-l: 16px;
  --sidebar-w: 240px;
}

/* ========== 用户偏好：字号 / 紧凑模式 ========== */
body.font-small { font-size: 13px; }
body.font-large { font-size: 16px; }
body.compact .view { padding: 12px 16px 40px; }
body.compact .home-card { padding: 16px 18px; }
body.compact .settings-panel { padding: 20px; }
body.compact .settings-card { padding: 14px 16px; margin-bottom: 10px; }
body.compact .form-row { margin-bottom: 12px; }
body.compact .pc-form { padding: 20px 28px; }
body.compact .tutor-layout { height: calc(100vh - 140px); }
body.compact .tutor-chat-stream { padding: 14px; gap: 10px; }
body.compact .tutor-bubble { padding: 6px 10px; }

/* ========== 基础重置 ========== */
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font-family: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei",
               -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg-soft);
  color: var(--ink-1);
  font-size: 14px; line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
input, select { font: inherit; }
ul { list-style: none; padding: 0; margin: 0; }
.hidden { display: none !important; }
.app-load-error {
  position: fixed; inset: 16px 16px auto; z-index: 100;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 12px 16px; border: 1px solid #f0bb78; border-radius: 10px;
  background: #fff8ed; color: #7a4a12; box-shadow: var(--shadow-md);
}

/* ========== 欢迎封面 ========== */
.welcome-cover {
  --welcome-cream: #efe6d2;
  position: fixed; inset: 0; z-index: 1000; overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: clamp(22px, 4vw, 56px) clamp(24px, 6vw, 92px);
  color: var(--welcome-cream);
  background:
    radial-gradient(circle at 78% 45%, rgba(159, 185, 126, .2), transparent 24rem),
    radial-gradient(circle at 23% 84%, rgba(202, 151, 75, .12), transparent 23rem),
    linear-gradient(120deg, #102d25 0%, #173c31 45%, #0a211d 100%);
  transition: opacity .7s ease, visibility .7s ease;
}
.welcome-cover.is-leaving { opacity: 0; visibility: hidden; pointer-events: none; }
.welcome-grain { position: absolute; inset: 0; opacity: .24; pointer-events: none; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.38'/%3E%3C/svg%3E"); mix-blend-mode: soft-light; }
.welcome-head, .welcome-content, .welcome-foot { position: relative; z-index: 1; }
.welcome-head { display: flex; align-items: center; justify-content: space-between; }
.welcome-brand { display: flex; align-items: center; gap: 10px; font-size: 13px; letter-spacing: 1.6px; font-weight: 650; }
.welcome-seal { display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid rgba(239,230,210,.76); border-radius: 50%; font-family: KaiTi, STKaiti, serif; font-size: 18px; }
.welcome-skip { border: 0; padding: 7px 0; color: rgba(239,230,210,.72); background: transparent; font-size: 13px; letter-spacing: .5px; }
.welcome-skip:hover { color: #fff; }
.welcome-content { margin: auto 0; padding: 11vh 0 7vh; max-width: 720px; }
.welcome-kicker { margin: 0 0 20px; color: #c4ceaa; font-size: 12px; letter-spacing: 3.2px; font-weight: 600; }
.welcome-content h1 { display: flex; gap: clamp(16px, 4vw, 56px); margin: 0; font-family: KaiTi, STKaiti, "Noto Serif SC", serif; font-size: clamp(84px, 15vw, 206px); font-weight: 500; line-height: .88; letter-spacing: .05em; text-shadow: 0 8px 36px rgba(0,0,0,.18); }
.welcome-content h1 span:last-child { color: #d5bb7a; }
.welcome-description { max-width: 410px; margin: 35px 0 30px; color: rgba(239,230,210,.78); font-size: 15px; line-height: 2; letter-spacing: .5px; }
.welcome-enter { display: inline-flex; align-items: center; gap: 22px; min-height: 52px; padding: 0 20px 0 24px; border: 1px solid rgba(239,230,210,.8); border-radius: 2px; background: rgba(239,230,210,.08); color: #fff9e9; font-weight: 600; letter-spacing: .6px; transition: background .2s ease, transform .2s ease; }
.welcome-enter span { font-size: 21px; font-weight: 400; }
.welcome-enter:hover { background: var(--welcome-cream); color: #173c31; transform: translateY(-2px); }
.welcome-foot { display: flex; align-items: center; justify-content: space-between; color: rgba(239,230,210,.52); font-size: 10px; letter-spacing: 1.8px; }
.welcome-scroll { display: inline-flex; align-items: center; gap: 10px; letter-spacing: 1px; }
.welcome-scroll i { display: block; width: 32px; height: 1px; background: currentColor; }
.welcome-orbit { position: absolute; border: 1px solid rgba(222, 229, 190, .16); border-radius: 50%; pointer-events: none; }
.welcome-orbit-one { width: min(72vw, 940px); height: min(72vw, 940px); right: -17vw; top: 50%; transform: translateY(-50%); }
.welcome-orbit-two { width: min(49vw, 650px); height: min(49vw, 650px); right: -5vw; top: 50%; transform: translateY(-50%); border-color: rgba(214,187,122,.23); }
.welcome-bone-line { position: absolute; right: clamp(-55px, 5vw, 100px); top: 50%; width: min(49vw, 630px); color: rgba(224, 225, 184, .2); transform: translateY(-50%) rotate(-11deg); }
.welcome-bone-line svg { width: 100%; height: auto; }
@media (max-width: 680px) {
  .welcome-cover { padding: 24px; }
  .welcome-content { padding: 12vh 0; }
  .welcome-content h1 { font-size: clamp(76px, 24vw, 132px); }
  .welcome-description { margin-top: 28px; font-size: 14px; }
  .welcome-foot > :first-child { display: none; }
  .welcome-orbit-one { width: 115vw; height: 115vw; right: -50vw; top: 53%; }
  .welcome-orbit-two { width: 80vw; height: 80vw; right: -34vw; top: 53%; }
  .welcome-bone-line { width: 88vw; right: -36vw; opacity: .75; }
}

/* Easy-Vibe 风格覆写：明亮渐变、无具象装饰、缓慢漂浮动效 */
.welcome-cover {
  --welcome-cream: #fff;
  --openbone-color: url(#openboneOcean);
  align-items: center;
  justify-content: center;
  padding: 32px 48px;
  color: #17172a;
  background: radial-gradient(120% 90% at 50% -20%, rgba(255,255,255,.9), rgba(255,255,255,0)), linear-gradient(135deg, #e0f7fa 0%, #e7f0ff 45%, #eef3ff 100%);
  background-size: 130% 130%;
  isolation: isolate;
  cursor: pointer;
  animation: welcomeBgFlow 42s ease-in-out infinite alternate;
}
.welcome-cover::before,
.welcome-cover::after {
  position: absolute; z-index: -1; width: min(68vw, 880px); aspect-ratio: 1;
  border-radius: 50%; content: ""; filter: blur(7px); opacity: .9;
  animation: welcomeFloat 14s ease-in-out infinite alternate;
}
.welcome-cover::before { left: -20vw; top: -28vw; background: radial-gradient(60% 58% at 18% 45%, rgba(182,225,255,.42), rgba(182,225,255,0)), radial-gradient(48% 52% at 82% 62%, rgba(223,199,255,.35), rgba(223,199,255,0)); animation: welcomeFloat 26s ease-in-out infinite alternate; }
.welcome-cover::after { right: -24vw; bottom: -32vw; background: radial-gradient(54% 52% at 68% 26%, rgba(186,245,228,.3), rgba(186,245,228,0)), radial-gradient(56% 48% at 30% 82%, rgba(255,219,189,.3), rgba(255,219,189,0)); animation: welcomeFloat 34s ease-in-out infinite alternate-reverse; }
.welcome-theme-rainbow { --openbone-color: url(#openboneRainbow); background: radial-gradient(120% 90% at 50% -20%, rgba(255,255,255,.9), rgba(255,255,255,0)), linear-gradient(135deg, #e8f8ff 0%, #e9edff 36%, #efe7ff 68%, #ffeef4 100%); }
.welcome-theme-sunset { --openbone-color: url(#openboneSunset); background: radial-gradient(120% 90% at 50% -20%, rgba(255,255,255,.86), rgba(255,255,255,0)), linear-gradient(135deg, #fff0e8 0%, #ffe9dc 45%, #ffe1f0 100%); }
.welcome-grain, .welcome-orbit, .welcome-bone-line { display: none; }
.welcome-brand { gap: 8px; color: #17172a; font-size: 15px; letter-spacing: -.2px; font-weight: 750; }
.welcome-seal { width: 31px; height: 31px; border: 0; border-radius: 10px; color: #fff; background: linear-gradient(135deg, #7856ff, #c45cf6); font-family: inherit; font-size: 15px; box-shadow: 0 5px 16px rgba(113,82,255,.25); }
.welcome-skip { color: #77778a; font-size: 14px; }
.welcome-skip:hover { color: #17172a; }
.welcome-content { display: flex; flex-direction: column; align-items: center; width: 100%; max-width: 980px; margin: 0; padding: 0; text-align: center; }
.welcome-logo-mark { display: flex; align-items: flex-start; justify-content: center; width: min(78vw, 760px); height: min(50vw, 490px); overflow: hidden; }
.welcome-logo-mark img { width: 190%; max-width: none; height: auto; pointer-events: none; mix-blend-mode: multiply; transform: translate(-24%, -10%); }
.welcome-script { width: min(88vw, 720px); margin: 0; }
.welcome-script svg { width: 100%; height: auto; overflow: visible; }
.welcome-script-path { fill: var(--openbone-color); fill-opacity: 0; stroke: var(--openbone-color); stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 840; stroke-dashoffset: 840; font-family: "Segoe Print", "Bradley Hand", "Comic Sans MS", cursive; font-size: 97px; font-weight: 600; letter-spacing: -5px; paint-order: stroke fill; animation: welcomeScriptDraw 9.6s ease-in-out infinite; }
.word-one { animation-delay: 0s; }
.word-two { animation-delay: .38s; }
.word-three { animation-delay: .76s; }
.welcome-chinese { width: min(48vw, 310px); margin: 12px 0 0; }
.welcome-chinese svg { width: 100%; height: auto; overflow: visible; }
.welcome-chinese-path { fill: none; fill-opacity: 0; stroke: var(--openbone-color); stroke-width: 1.45; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 1000; stroke-dashoffset: 1000; font-family: "ZCOOL KuaiLe", YouYuan, "Microsoft YaHei", "PingFang SC", sans-serif; font-size: 54px; font-weight: 400; letter-spacing: 12px; animation: welcomeChineseDraw 9.6s ease-in-out infinite; }
.welcome-tip { margin: 42px 0 0; color: rgba(34,34,34,.32); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; animation: welcomeTipBreathe 6s ease-in-out infinite; }
.welcome-kicker { margin: 0 0 20px; color: #7259de; font-size: 14px; letter-spacing: .2px; font-weight: 650; }
.welcome-content h1 { gap: 0; margin: 0; color: #19182c; font-family: inherit; font-size: clamp(70px, 12vw, 164px); font-weight: 800; line-height: .98; letter-spacing: -.08em; text-shadow: none; }
.welcome-content h1 span:first-child { color: #19182c; }
.welcome-content h1 span:last-child { color: #805cff; }
.welcome-description { max-width: 520px; margin: 26px 0 34px; color: #75758b; font-size: 16px; line-height: 1.8; letter-spacing: 0; }
.welcome-enter { min-height: 52px; gap: 18px; border: 0; border-radius: 999px; padding: 0 25px; color: #fff; background: #23213d; box-shadow: 0 10px 25px rgba(35,33,61,.18); font-weight: 650; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.welcome-enter:hover { color: #fff; background: #7659ed; box-shadow: 0 13px 30px rgba(118,89,237,.32); transform: translateY(-3px); }
.welcome-enter span { font-size: 18px; }
.welcome-foot { width: min(100%, 1180px); align-self: stretch; color: #9b9bac; font-size: 10px; letter-spacing: 1.25px; }
.welcome-scroll { color: #8c8b9c; }
@keyframes welcomeFloat { from { transform: translate3d(-2.5%, 1.8%, 0) scale(1.02); opacity: .72; } to { transform: translate3d(4%, -2.4%, 0) scale(1.08); opacity: .9; } }
@keyframes welcomeBgFlow { from { background-position: 0% 0%; } to { background-position: 100% 100%; } }
@keyframes welcomeTipBreathe { 0%, 100% { opacity: 0; } 40% { opacity: .55; } 80% { opacity: 0; } }
@keyframes welcomeScriptDraw {
  0%, 3% { stroke-dashoffset: 840; fill-opacity: 0; opacity: 1; }
  31% { stroke-dashoffset: 0; fill-opacity: 0; opacity: 1; }
  38%, 73% { stroke-dashoffset: 0; fill-opacity: 1; opacity: 1; }
  85%, 100% { stroke-dashoffset: 0; fill-opacity: 1; opacity: 0; }
}
@keyframes welcomeChineseDraw {
  0% { stroke-dashoffset: 1000; opacity: 1; }
  36%, 75% { stroke-dashoffset: 0; opacity: 1; }
  86%, 100% { stroke-dashoffset: 0; opacity: 0; }
}
@media (prefers-reduced-motion: reduce) { .welcome-cover::before, .welcome-cover::after, .welcome-script-path, .welcome-tip, .welcome-chinese-path { animation: none; } .welcome-script-path { stroke-dashoffset: 0; fill-opacity: 1; } .welcome-chinese-path { fill: none; fill-opacity: 0; stroke-dashoffset: 0; } .welcome-tip { opacity: .55; } .welcome-cover { transition: none; } }
@media (max-width: 680px) {
  .welcome-cover { padding: 24px; }
  .welcome-logo-mark { width: min(90vw, 500px); height: min(60vw, 330px); }
  .welcome-content h1 { font-size: clamp(60px, 20vw, 102px); }
  .welcome-description { max-width: 330px; font-size: 14px; }
  .welcome-foot { justify-content: center; }
  .welcome-foot > :last-child { display: none; }
}
svg { display: block; }

/* ========== 主界面沿用欢迎页配色 ========== */
body {
  background:
    radial-gradient(64% 54% at 7% 18%, rgba(182, 225, 255, .46), transparent 68%),
    radial-gradient(55% 52% at 94% 76%, rgba(229, 199, 255, .38), transparent 70%),
    radial-gradient(44% 40% at 60% 4%, rgba(186, 245, 228, .23), transparent 72%),
    linear-gradient(135deg, #e8f8ff 0%, #e9edff 42%, #efe7ff 70%, #ffeef4 100%);
  background-attachment: fixed;
}
.main { background: transparent; }
.topbar,
.sidebar,
.site-footer { background: rgba(255, 255, 255, .66); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
.home-card,
.continue-card,
.shortcut-card,
.perf-stat,
.lib-card,
.settings-card,
.pin-card { background: rgba(255, 255, 255, .82); }
.home-card,
.continue-card,
.shortcut-card,
.perf-stat,
.lib-card { border-color: rgba(255, 255, 255, .72); box-shadow: 0 9px 26px rgba(89, 94, 153, .09); }

/* ========== 侧栏 ========== */
.sidebar {
  position: fixed; left: 0; top: 0;
  width: var(--sidebar-w); height: 100vh;
  background: #fff;
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column;
  z-index: 30;
  transition: transform 0.25s ease;
}
.brand-mark-image { overflow: hidden; border-radius: 50%; }
.brand-mark-image img { width: 72px; max-width: none; height: auto; transform: translateX(-26.6%); }
.sidebar.collapsed { transform: translateX(-100%); }

.brand {
  display: flex; align-items: center; gap: 10px;
  padding: 18px 18px 16px;
  border-bottom: 1px solid var(--line);
}
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; flex-shrink: 0; }
.brand-mark svg { width: 100%; height: 100%; }
.brand-title { font-weight: 700; font-size: 15px; letter-spacing: 0.5px; }
.brand-sub { font-size: 10px; color: var(--brand); font-weight: 600; letter-spacing: 1px; text-transform: uppercase; }

.nav { padding: 12px 8px; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 14px; border-radius: 8px;
  color: var(--ink-2); font-weight: 500;
  margin-bottom: 2px;
  transition: background 0.15s, color 0.15s;
  font-size: 13.5px;
}
.nav-item:hover { background: var(--bg-soft); color: var(--ink-1); }
.nav-item.active { background: var(--primary-soft); color: var(--primary-dark); font-weight: 600; }
.nav-icon { font-size: 16px; width: 18px; text-align: center; }

.sidebar-foot { padding: 8px 8px 14px; border-top: 1px solid var(--line); }
.sidebar-foot .nav-item { margin-bottom: 0; }
.nav-btn-ghost { display: flex; align-items: center; gap: 8px; width: 100%; padding: 10px 12px; background: transparent; border: 1px solid var(--line); border-radius: 8px; cursor: pointer; color: var(--ink-soft); font-size: 14px; }
.nav-btn-ghost:hover { background: var(--bg-soft); color: var(--ink); }

/* ========== 顶栏 ========== */
.main { margin-left: var(--sidebar-w); min-height: 100vh; transition: margin-left 0.25s; }
.sidebar.collapsed ~ .main { margin-left: 0; }

.topbar {
  display: flex; align-items: center; justify-content: center;
  position: sticky; top: 0; z-index: 15;
  padding: 12px 24px;
  background: #fff; border-bottom: 1px solid var(--line);
}
.sidebar-toggle {
  position: absolute; left: 20px; display: grid; width: 42px; height: 42px; place-items: center;
  border: 1px solid rgba(100, 94, 148, .18); border-radius: 12px; background: rgba(255, 255, 255, .72);
  color: var(--ink-1); font-size: 22px; line-height: 1; transition: background .18s ease, transform .18s ease, box-shadow .18s ease;
}
.sidebar-toggle:hover { background: #fff; box-shadow: 0 6px 16px rgba(89, 94, 153, .12); transform: translateY(-1px); }
.search-box { position: relative; width: min(560px, 70%); display: flex; align-items: center; }
.search-box .search-icon { position: absolute; left: 12px; color: var(--ink-3); font-size: 13px; pointer-events: none; }
#topSearch {
  width: 100%; padding: 9px 70px 9px 36px;
  border: 1px solid var(--line); border-radius: 10px;
  background: var(--bg-soft); outline: none;
  transition: border 0.15s, background 0.15s; font-size: 13.5px;
}
#topSearch:focus { border-color: var(--primary); background: #fff; }
.kbd {
  position: absolute; right: 10px; padding: 2px 8px;
  background: #fff; border: 1px solid var(--line); border-radius: 6px;
  font-size: 11px; color: var(--ink-3);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  pointer-events: none;
}
.topbar-actions { position: absolute; right: 24px; display: flex; align-items: center; gap: 14px; }
.bell { font-size: 18px; cursor: pointer; opacity: 0.7; }
.bell:hover { opacity: 1; }
.avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, #38c6a6, #16a39a);
  color: #fff; display: grid; place-items: center;
  font-weight: 700; font-size: 13px; cursor: pointer;
}

/* ========== 通知横幅 ========== */
.banner {
  display: flex; align-items: center; gap: 12px;
  margin: 12px 24px 0; padding: 8px 16px;
  background: var(--primary-soft);
  border: 1px solid #d8cffb; border-radius: 10px;
  font-size: 13px;
}
.badge-new {
  background: var(--primary); color: #fff;
  border-radius: 6px; padding: 2px 8px;
  font-size: 11px; font-weight: 700; flex-shrink: 0;
}
.banner-text { flex: 1; color: var(--ink-2); }
.banner-link { color: var(--primary-dark); font-weight: 600; text-decoration: underline; }
.banner-link:hover { color: var(--primary); }
.banner-close { background: none; border: none; color: var(--ink-3); font-size: 14px; padding: 4px; cursor: pointer; }
.banner-close:hover { color: var(--ink-1); }

/* ========== 视图切换 ========== */
.view { display: none; padding: 18px 24px 60px; }
.view.active { display: block; }

.crumbs { font-size: 12px; color: var(--ink-3); margin-bottom: 4px; }
.crumbs a:hover { color: var(--primary-dark); }
.crumbs span { color: var(--ink-3); }
.crumb-sep { margin: 0 6px; }

.page-title { font-size: 32px; font-weight: 800; margin: 8px 0 4px; letter-spacing: -0.5px; color: var(--ink-1); }
.page-sub { color: var(--ink-2); margin: 0 0 18px; font-size: 14px; }

/* ========== 工具栏 ========== */
.toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.search-wrap { position: relative; flex: 1; max-width: 720px; }
.search-wrap input {
  width: 100%; padding: 12px 16px 12px 38px;
  border-radius: 10px; border: 1px solid var(--line);
  background: #fff; outline: none;
  transition: border 0.15s, box-shadow 0.15s; font-size: 14px;
}
.search-wrap input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(109, 76, 240, 0.08); }
.search-wrap .search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--ink-3); font-size: 14px; }
.btn-create {
  margin-left: auto; background: var(--primary); color: #fff; border: none;
  font-weight: 600; padding: 12px 22px; border-radius: 999px;
  box-shadow: 0 2px 8px rgba(109, 76, 240, 0.25);
  transition: background 0.15s, transform 0.15s; font-size: 14px;
}
.btn-create:hover { background: var(--primary-dark); transform: translateY(-1px); }

/* ========== tabs ========== */
.tabs { display: flex; gap: 4px; margin-bottom: 14px; overflow-x: auto; border-bottom: 1px solid var(--line); }
.tab { padding: 10px 18px; position: relative; color: var(--ink-2); font-weight: 500; border: none; background: transparent; white-space: nowrap; cursor: pointer; font-size: 14px; }
.tab:first-child { padding-left: 4px; }
.tab:hover { color: var(--ink-1); }
.tab.active { color: var(--primary-dark); font-weight: 700; }
.tab .count { display: inline-block; margin-left: 6px; padding: 1px 8px; font-size: 11px; border-radius: 999px; background: var(--primary-soft); color: var(--primary-dark); font-weight: 700; }

/* ========== 筛选 ========== */
.filters, .filter-drops { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 10px; align-items: center; }
.chip { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 5px 14px; font-size: 13px; font-weight: 500; color: var(--ink-2); transition: all 0.15s; cursor: pointer; }
.chip:hover { color: var(--primary-dark); border-color: var(--primary-soft); }
.chip.active { background: var(--primary-soft); color: var(--primary-dark); border-color: var(--primary); font-weight: 600; }
.chip.ghost { background: transparent; border-color: transparent; color: var(--ink-3); margin-left: auto; }
.chip.ghost:hover { color: var(--primary-dark); background: var(--primary-soft); }
.chip-check { display: inline-flex; align-items: center; gap: 6px; background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px; font-size: 13px; cursor: pointer; }
.chip-check input { accent-color: var(--primary); }
.filter-right { margin-left: auto; display: flex; gap: 8px; }
.filter-drops select { padding: 7px 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; outline: none; min-width: 180px; color: var(--ink-2); }

.result-meta { font-size: 13px; color: var(--ink-3); margin: 14px 0 4px; }
.result-meta span { color: var(--ink-1); font-weight: 700; }

/* ========== 卡片网格 ========== */
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 12px; }
.card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l); padding: 18px;
  display: flex; gap: 14px; cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.18s, transform 0.18s;
  position: relative; min-height: 110px;
}
.card:hover { border-color: var(--primary); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card-art { width: 64px; height: 64px; flex-shrink: 0; border-radius: 14px; background: var(--bg-soft); display: grid; place-items: center; border: 1px solid var(--line); padding: 8px; image-rendering: pixelated; }
.card-art svg { width: 100%; height: 100%; }
.card-body { flex: 1; min-width: 0; }
.card-title { display: flex; align-items: center; justify-content: space-between; font-size: 16px; font-weight: 700; margin-bottom: 6px; color: var(--ink-1); }
.card-title .bookmark { color: var(--ink-3); font-size: 15px; cursor: pointer; padding: 2px; transition: color 0.15s; }
.card-title .bookmark:hover { color: var(--primary); }
.card-title .bookmark.active { color: var(--primary); }
.card-desc { font-size: 13px; color: var(--ink-2); line-height: 1.5; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; margin-bottom: 12px; }
.card-foot { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.tag { display: inline-block; font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 999px; color: #fff; background: var(--tag-history); }
.tag.history { background: var(--tag-history); }
.tag.physical { background: var(--tag-physical); }
.tag.tcm { background: var(--tag-tcm); }
.tag.long { background: #5b6478; }
.tag.counselling { background: #166f56; }
.tag.grp { background: var(--bg-soft); color: var(--ink-2); border: 1px solid var(--line); font-weight: 500; }
.empty { grid-column: 1 / -1; text-align: center; padding: 60px 20px; color: var(--ink-3); }
.empty-art { font-size: 48px; opacity: 0.6; margin-bottom: 10px; }

/* ============================================================
 * 4 步进度条
 * ============================================================ */
.steps {
  display: flex; align-items: center; justify-content: center;
  gap: 0; margin: 8px 0 20px;
}
.step {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  position: relative; cursor: pointer;
}
.step-circle {
  width: 36px; height: 36px; border-radius: 50%;
  background: #fff; border: 2px solid var(--line-strong);
  display: grid; place-items: center;
  font-size: 14px; font-weight: 700; color: var(--ink-3);
  transition: all 0.25s ease;
}
.step-line {
  width: 80px; height: 3px; background: var(--line-strong);
  border-radius: 2px; margin: 0 4px; margin-bottom: 22px;
  transition: background 0.25s ease;
}
.step-label { font-size: 12px; color: var(--ink-3); font-weight: 500; white-space: nowrap; transition: color 0.25s; }
.step.active .step-circle {
  background: var(--primary); border-color: var(--primary);
  color: #fff; box-shadow: 0 4px 12px rgba(109, 76, 240, 0.35);
}
.step.active .step-label { color: var(--primary-dark); font-weight: 700; }
.step.done .step-circle {
  background: var(--primary); border-color: var(--primary);
  color: #fff;
}
.step.done .step-circle .step-num { display: none; }
.step.done .step-circle::after { content: "✓"; font-size: 16px; }
.step.done .step-label { color: var(--primary-dark); }
.step-line.active { background: var(--primary); }

/* ========== step page ========== */
.step-page { display: none; }
.step-page.active { display: block; }

/* ============================================================
 * Step 1: Instructions
 * ============================================================ */
.instr-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l); padding: 32px;
  max-width: 760px; margin: 24px auto; text-align: center;
  box-shadow: var(--shadow-sm);
}
.instr-title { font-size: 20px; font-weight: 700; color: var(--ink-1); margin-bottom: 16px; }
.instr-body { font-size: 14px; color: var(--ink-2); line-height: 1.8; text-align: left; margin-bottom: 18px; }
.instr-tasks { text-align: left; margin-bottom: 28px; }
.instr-tasks li {
  padding: 8px 12px; background: var(--bg-soft);
  border-radius: 8px; margin-bottom: 6px;
  font-size: 13px; color: var(--ink-2);
  border-left: 3px solid var(--primary);
}
.btn-start-consult {
  width: 120px; height: 120px; border-radius: 50%;
  background: var(--primary); color: #fff; border: none;
  font-size: 16px; font-weight: 700; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 6px; margin: 12px auto 0;
  box-shadow: 0 8px 28px rgba(109, 76, 240, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-start-consult:hover { transform: scale(1.05); box-shadow: 0 12px 36px rgba(109, 76, 240, 0.45); }
.btn-start-consult .play-icon { font-size: 28px; }

/* ============================================================
 * Step 2: Consultation 双列布局
 * ============================================================ */
.case-dual {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 18px;
  margin-top: 8px;
  align-items: start;
}
@media (max-width: 980px) { .case-dual { grid-template-columns: 1fr; } }

/* 中央对话 */
.consult-main {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l);
  display: flex; flex-direction: column;
  height: min(760px, calc(100vh - 170px)); min-height: 620px;
  overflow: hidden;
}
.consult-workspace { flex: 1; min-height: 0; display: block; }
.consult-stage-slot { display: none; min-width: 0; min-height: 0; overflow: hidden; }
.consult-splitter { display: none; position: relative; width: 8px; min-height: 0; cursor: col-resize; touch-action: none; background: rgba(255,255,255,.58); outline: none; }
.consult-splitter::after { content: ''; width: 2px; height: 54px; border-radius: 99px; background: rgba(109,76,240,.28); transition: width .15s, background .15s; }
.consult-splitter:hover::after,.consult-splitter:focus-visible::after,.consult-splitter.dragging::after { width: 4px; background: rgba(109,76,240,.72); }
.consult-conversation { height: 100%; min-width: 0; min-height: 0; display: flex; flex-direction: column; background: #fff; }
.consult-main.with-video-stage .consult-workspace {
  display: grid;
  grid-template-columns: minmax(420px, var(--consult-stage-pct, 58%)) 8px minmax(340px, 1fr);
  min-height: 0;
}
.consult-main.with-video-stage .consult-stage-slot {
  display: flex; align-items: center; justify-content: center;
  padding: 18px; border-right: 1px solid rgba(130,137,221,.22);
  background: linear-gradient(135deg,#dceeff 0%,#eee7ff 54%,#f9e4f4 100%);
}
.consult-main.with-video-stage .consult-splitter { display: grid; place-items: center; }
.consult-head {
  padding: 12px 18px; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between;
}
.consult-title { display: flex; flex-direction: column; gap: 2px; }
.consult-pat-name { font-weight: 700; font-size: 15px; color: var(--ink-1); }
.consult-pat-info { font-size: 12px; color: var(--ink-3); }
.btn-end-consult {
  background: var(--danger); color: #fff; border: none;
  padding: 8px 16px; border-radius: 8px; font-size: 13px; font-weight: 600;
  transition: background 0.15s;
}
.btn-end-consult:hover { background: #c94444; }

/* 对话流：带头像气泡 */
.chat-stream {
  flex: 1; overflow-y: auto; padding: 18px;
  display: flex; flex-direction: column; gap: 16px;
  background: linear-gradient(180deg, #fafaff 0%, #f3f3f8 100%);
}
.consult-main.with-video-stage .chat-stream { min-height: 230px; }
.msg-row { display: flex; gap: 10px; align-items: flex-end; max-width: 100%; }
.msg-row.student { flex-direction: row-reverse; }

.msg-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  flex-shrink: 0; display: grid; place-items: center;
  font-size: 18px; font-weight: 700; color: #fff;
}
.msg-avatar.student-av {
  background: linear-gradient(135deg, #2C5F3E, #1F4530);
}
.msg-avatar.patient-av {
  background: linear-gradient(135deg, #2ecc71, #16a39a);
}
.msg-content { display: flex; flex-direction: column; gap: 3px; max-width: 72%; }
.msg-row.student .msg-content { align-items: flex-end; }
.msg-row.patient .msg-content { align-items: flex-start; }

.msg-name { font-size: 11px; color: var(--ink-3); font-weight: 500; padding: 0 4px; }

.bubble {
  padding: 10px 14px; border-radius: 14px;
  font-size: 14px; line-height: 1.6;
  box-shadow: var(--shadow-sm); word-wrap: break-word;
}
.msg-row.student .bubble {
  background: var(--primary); color: #fff;
  border-bottom-right-radius: 4px;
}
.msg-row.patient .bubble {
  background: #fff; color: var(--ink-1);
  border: 1px solid var(--line);
  border-bottom-left-radius: 4px;
}
.msg-row.patient .bubble .who { display: block; font-size: 11px; color: var(--ink-3); margin-bottom: 3px; }
.bubble.miss {
  background: #fff7e8 !important; border-left: 3px solid var(--warn);
  color: #92560b; font-size: 13px; border-radius: 8px;
}
.bubble .fact-tag {
  display: inline-block; font-size: 10.5px; padding: 1px 6px;
  border-radius: 4px; background: var(--accent); color: #fff;
  margin-right: 4px; vertical-align: middle;
}
.bubble.system {
  margin: 0 auto; background: var(--primary-soft); color: var(--primary-dark);
  font-size: 12px; border-radius: 999px; padding: 6px 14px;
}

/* 提示区 */
.hint-zone { border-top: 1px solid var(--line); background: #fffefa; padding: 10px 18px; max-height: 140px; overflow-y: auto; }
.hint-title { font-weight: 700; font-size: 13px; margin-bottom: 6px; color: var(--warn); }
.hint-zone ul { display: flex; flex-wrap: wrap; gap: 6px; }
.hint-zone li {
  font-size: 12px; background: #fff; border: 1px solid #f3e0b8;
  color: #92560b; padding: 4px 10px; border-radius: 999px;
  cursor: pointer; transition: all 0.15s;
}
.hint-zone li:hover { background: var(--warn); color: #fff; }

/* 底部输入 + ↑ 发送 */
.chat-input { display: flex; border-top: 1px solid var(--line); padding: 12px; gap: 10px; background: #fff; }
.chat-input input {
  flex: 1; padding: 12px 16px; border: 1px solid var(--line);
  border-radius: 12px; background: var(--bg-soft); outline: none;
}
.chat-input input:focus { border-color: var(--primary); background: #fff; }
.chat-input input:disabled { opacity: 0.5; cursor: not-allowed; }
#chatSend {
  width: 44px; height: 44px; border: none;
  background: var(--primary); color: #fff;
  border-radius: 12px; display: grid; place-items: center;
  transition: background 0.15s, transform 0.15s;
}
#chatSend:hover { background: var(--primary-dark); transform: translateY(-1px); }
#chatSend:disabled { background: var(--ink-3); cursor: not-allowed; transform: none; }

/* 右侧：计时器 + 任务卡 */
.consult-side { display: flex; flex-direction: column; gap: 14px; }
.timer-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l); padding: 16px; text-align: center;
}
.timer-label { font-size: 12px; color: var(--ink-3); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.timer-display { font-size: 40px; font-weight: 800; color: var(--ink-1); font-variant-numeric: tabular-nums; margin-bottom: 12px; letter-spacing: -1px; }
.timer-card.running .timer-display { color: var(--primary-dark); }
.timer-card.ended .timer-display { color: var(--danger); }
.timer-ctrl { display: flex; align-items: center; gap: 8px; justify-content: center; margin-bottom: 8px; }
.timer-btn {
  min-width: 36px; height: 36px; border-radius: 8px;
  border: 1px solid var(--line); background: #fff;
  font-size: 16px; font-weight: 700; color: var(--ink-2);
  display: grid; place-items: center; transition: all 0.15s;
}
.timer-btn:hover { border-color: var(--primary); color: var(--primary-dark); }
.timer-btn.timer-go {
  flex: 1; font-size: 14px; font-weight: 700;
  background: var(--primary); color: #fff; border-color: var(--primary);
}
.timer-btn.timer-go:hover { background: var(--primary-dark); }
.timer-btn.timer-go.running { background: var(--accent); border-color: var(--accent); }
.timer-reset {
  width: 100%; background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: 8px; padding: 6px; font-size: 12px; color: var(--ink-2);
  font-weight: 600; transition: all 0.15s;
}
.timer-reset:hover { color: var(--primary-dark); border-color: var(--primary); }

/* 计时状态行 */
.timer-status {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 6px 4px 8px; font-size: 12px; color: var(--ink-3); font-weight: 600;
  letter-spacing: 0.2px; line-height: 1;
}
.timer-status-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--ink-3);
  display: inline-block; transition: all 0.25s;
}
.timer-status.idle .timer-status-dot {
  background: var(--ink-3);
  animation: dot-pulse 1.6s ease-in-out infinite;
}
.timer-status.running .timer-status-dot {
  background: #16a34a; box-shadow: 0 0 0 0 rgba(22,163,74, 0.55);
  animation: dot-running 1.4s ease-in-out infinite;
}
.timer-status.auto .timer-status-dot {
  background: var(--primary);
}
.timer-status.ended .timer-status-dot {
  background: var(--danger);
}
.timer-status.running .timer-status-text { color: #16a34a; }
.timer-status.auto .timer-status-text { color: var(--primary-dark); }
.timer-status.ended .timer-status-text { color: var(--danger); }
@keyframes dot-pulse {
  0%, 100% { opacity: 0.4; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.15); }
}
@keyframes dot-running {
  0% { box-shadow: 0 0 0 0 rgba(22,163,74, 0.5); }
  70% { box-shadow: 0 0 0 6px rgba(22,163,74, 0); }
  100% { box-shadow: 0 0 0 0 rgba(22,163,74, 0); }
}
body.theme-dark .timer-status.running .timer-status-text { color: #4ade80; }
body.theme-dark .timer-status.ended .timer-status-text { color: #f87171; }

/* 任务卡 */
.task-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l); overflow: hidden;
}
.task-head {
  padding: 12px 16px; display: flex; align-items: center; justify-content: space-between;
  cursor: pointer; user-select: none;
  border-bottom: 1px solid var(--line);
}
.task-title { font-weight: 700; font-size: 14px; color: var(--ink-1); }
.task-chevron { font-size: 14px; color: var(--ink-3); transition: transform 0.2s; }
.task-card.collapsed .task-chevron { transform: rotate(-90deg); }
.task-card.collapsed .task-body { display: none; }
.task-body { padding: 14px 16px; font-size: 13px; color: var(--ink-2); line-height: 1.7; }
.task-body li { padding: 6px 10px; background: var(--bg-soft); border-radius: 6px; margin-bottom: 6px; border-left: 3px solid var(--primary); }

/* ============================================================
 * Step 3: Marking
 * ============================================================ */
.mark-main {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l); padding: 24px;
}
.mark-title { font-size: 20px; font-weight: 700; color: var(--ink-1); margin: 0 0 18px; }
.mark-groups { display: flex; flex-direction: column; gap: 18px; }
.mark-group {}
.mark-group-head {
  font-weight: 700; font-size: 15px; color: var(--primary-dark);
  margin-bottom: 8px; padding-bottom: 6px; border-bottom: 1px solid var(--line);
}
.ai-assessment { border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent); border-radius: 12px; padding: 16px; background: color-mix(in srgb, var(--primary) 5%, var(--surface)); }

/* ── 问诊过程质量评分面板 ───────────────────────────────── */
.process-assessment {
  border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent);
  border-radius: 12px; padding: 16px;
  background: color-mix(in srgb, var(--primary) 5%, var(--surface));
}
.process-dim-list { display: flex; flex-direction: column; gap: 12px; }
.process-dim-head { display: flex; justify-content: space-between; align-items: baseline; font-size: 13px; margin-bottom: 5px; }
.process-dim-label { color: var(--ink); font-weight: 600; }
.process-dim-score { color: var(--ink-2); font-variant-numeric: tabular-nums; }
.process-dim-bar { height: 7px; border-radius: 4px; background: var(--bg-soft); overflow: hidden; }
.process-dim-bar > span { display: block; height: 100%; border-radius: 4px; transition: width 0.3s; }
.process-dim--good .process-dim-bar > span { background: var(--primary); }
.process-dim--mid .process-dim-bar > span { background: #d99a2b; }
.process-dim--low .process-dim-bar > span { background: #c94b4b; }
.process-dim-detail { margin-top: 5px; font-size: 12px; color: var(--ink-3); line-height: 1.5; }
.behavior-replay { border: 1px solid var(--line); border-radius: 12px; padding: 16px; background: var(--surface); }
.br-list { margin: 6px 0 0; padding-left: 0; list-style: none; line-height: 1.7; font-size: 13px; color: var(--ink-2); }
.br-list li { padding: 6px 0 6px 10px; border-left: 3px solid var(--line-strong); margin-bottom: 6px; }
.br-list li.br-good { border-left-color: var(--primary); }
.br-list li.br-bad { border-left-color: #c94b4b; color: #8f3a3a; }
@media (max-width: 560px) { .process-dim-head { flex-direction: column; gap: 2px; } }
.ai-score { float: right; color: var(--primary-dark); font-size: 16px; }
.ai-summary { margin: 10px 0 14px; color: var(--ink-2); line-height: 1.6; }
.ai-feedback-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; font-size: 13px; color: var(--ink-2); }
.ai-feedback-cols b { color: var(--ink); }
.ai-feedback-cols ul { margin: 6px 0 0; padding-left: 18px; line-height: 1.7; }
.mark-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 12px; border-radius: 8px;
  transition: background 0.15s; cursor: pointer; margin-bottom: 4px;
  border: 1px solid transparent;
  width: 100%; background: transparent; color: inherit; font: inherit; text-align: left;
}
.mark-item:hover { background: var(--bg-soft); }
.mark-item:focus-visible { outline: 3px solid color-mix(in srgb, var(--primary) 28%, transparent); outline-offset: 2px; }
.mark-check {
  width: 22px; height: 22px; border-radius: 6px;
  border: 2px solid var(--line-strong); flex-shrink: 0;
  display: grid; place-items: center; transition: all 0.15s;
  font-size: 14px; color: #fff; background: transparent;
}
.mark-item.checked .mark-check { background: var(--primary); border-color: var(--primary); }
.mark-item.checked .mark-check::after { content: "✓"; }
.mark-item.not-met { background: color-mix(in srgb, #c94b4b 5%, var(--surface)); border-color: color-mix(in srgb, #c94b4b 20%, transparent); }
.mark-item.not-met .mark-check { background: #c94b4b; border-color: #c94b4b; }
.mark-item.not-met .mark-check::after { content: "×"; }
.mark-item.uncertain { background: color-mix(in srgb, #c58a24 7%, var(--surface)); border-color: color-mix(in srgb, #c58a24 24%, transparent); }
.mark-item.uncertain .mark-check { border-color: #c58a24; color: #c58a24; }
.mark-item.uncertain .mark-check::after { content: "?"; }
.mark-item-text { font-size: 13px; color: var(--ink-2); line-height: 1.5; flex: 1; }
.mark-item.checked .mark-item-text { color: var(--ink-1); font-weight: 500; }
.mark-item-score { font-size: 12px; color: var(--ink-3); font-weight: 600; flex-shrink: 0; }
.mark-item.checked .mark-item-score { color: var(--primary-dark); }
.mark-item-state { display: inline-flex; margin: 6px 6px 0 0; padding: 2px 7px; border-radius: 999px; font-size: 11px; font-weight: 700; color: var(--ink-3); background: var(--bg-soft); }
.mark-item.checked .mark-item-state { color: var(--primary-dark); background: color-mix(in srgb, var(--primary) 12%, var(--surface)); }
.mark-item.not-met .mark-item-state { color: #9d3535; background: color-mix(in srgb, #c94b4b 12%, var(--surface)); }
.mark-observation { display: inline-flex; margin-top: 6px; padding: 2px 7px; border-radius: 999px; font-size: 11px; color: var(--ink-3); border: 1px solid var(--line); }
.mark-evidence { margin-top: 8px; padding: 8px 10px; border-radius: 8px; background: var(--bg-soft); color: var(--ink-2); font-size: 12px; line-height: 1.55; }
.mark-evidence b { color: var(--ink-1); }
.ai-evidence-list { display: grid; gap: 10px; margin-top: 14px; }
.ai-evidence-item { padding: 10px 12px; border-radius: 9px; background: var(--surface); border: 1px solid var(--line); }
.ai-evidence-head { display: flex; justify-content: space-between; gap: 12px; font-size: 12px; font-weight: 700; color: var(--ink-1); }
.ai-evidence-quote { margin: 6px 0 0; color: var(--ink-2); font-size: 12px; line-height: 1.55; }
.ai-confidence { color: var(--primary-dark); white-space: nowrap; }
.ai-scope-note { margin-top: 12px; padding: 9px 11px; border-radius: 8px; background: color-mix(in srgb, #c58a24 10%, var(--surface)); color: var(--ink-2); font-size: 12px; line-height: 1.55; }

.btn-continue {
  margin-top: 24px; background: var(--primary); color: #fff; border: none;
  padding: 12px 32px; border-radius: 999px; font-weight: 700; font-size: 14px;
  box-shadow: 0 2px 8px rgba(109, 76, 240, 0.25); transition: all 0.15s;
}
.btn-continue:hover { background: var(--primary-dark); transform: translateY(-1px); }

/* Mark 右侧得分 */
.mark-side { display: flex; flex-direction: column; gap: 14px; }
.mark-score-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l); padding: 20px; text-align: center;
  position: sticky; top: 90px;
}
.mark-score-label { font-size: 12px; color: var(--ink-3); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.mark-score-num { font-size: 48px; font-weight: 800; color: var(--primary-dark); letter-spacing: -2px; line-height: 1; }
.mark-score-total { font-size: 14px; color: var(--ink-3); margin-top: 4px; }
.mark-score-bar { height: 6px; background: var(--bg-soft); border-radius: 999px; overflow: hidden; margin-top: 14px; }
.mark-score-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); width: 0; transition: width 0.4s ease; }
.mark-score-status { margin-top: 12px; font-size: 13px; font-weight: 800; color: var(--primary-dark); }
.mark-score-meta { margin-top: 4px; font-size: 11px; line-height: 1.5; color: var(--ink-3); }
.mark-grade {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l); padding: 16px; text-align: center;
}
.mark-grade-label { font-size: 12px; color: var(--ink-3); margin-bottom: 4px; }
.mark-grade-value { font-size: 20px; font-weight: 700; }
.mark-legend { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-m); background: var(--surface); font-size: 11px; color: var(--ink-3); }
.mark-legend span { display: inline-flex; align-items: center; gap: 5px; justify-content: center; }
.legend-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--line-strong); }
.legend-dot.met { background: var(--primary); }
.legend-dot.not-met { background: #c94b4b; }
.legend-dot.unrated { background: var(--line-strong); }

/* ============================================================
 * Step 4: Questions
 * ============================================================ */
.qs-wrap { max-width: 760px; margin: 0 auto; }
.qs-list { display: flex; flex-direction: column; gap: 14px; margin: 18px 0; }
.qs-item {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-m); padding: 16px 18px;
}
.qs-num { font-weight: 700; color: var(--primary-dark); font-size: 13px; margin-bottom: 4px; }
.qs-text { font-size: 14px; color: var(--ink-1); line-height: 1.6; }
.qs-answer {
  margin-top: 10px; padding: 10px 12px; background: var(--bg-soft);
  border-radius: 8px; font-size: 13px; color: var(--ink-2); line-height: 1.6;
  border-left: 3px solid var(--accent);
}
.qs-actions { margin-top: 24px; display: flex; justify-content: center; }
.btn-ghost {
  background: transparent; color: var(--primary-dark);
  border: 1px solid var(--primary); padding: 10px 24px;
  border-radius: 999px; font-weight: 700; font-size: 14px;
}
.btn-ghost:hover { background: var(--primary-soft); }

/* ============================================================
 * 弹窗
 * ============================================================ */
.modal-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(20, 20, 40, 0.5);
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(2px);
}
.modal-overlay[hidden] { display: none; }
.modal-box {
  background: #fff; border-radius: var(--radius-l);
  padding: 28px; max-width: 420px; width: 90%;
  box-shadow: var(--shadow-lg); text-align: center;
  animation: modalIn 0.2s ease;
}
@keyframes modalIn { from { transform: scale(0.92); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-title { font-size: 18px; font-weight: 700; color: var(--ink-1); margin-bottom: 8px; }
.modal-desc { font-size: 14px; color: var(--ink-2); margin-bottom: 20px; line-height: 1.6; }
.modal-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* 底部六个法务/简介弹窗：宽屏正文版式，复用 modal 风格但更接近文章阅读体验 */
.legal-modal {
  position: fixed; inset: 0; z-index: 110;
  display: flex; align-items: flex-start; justify-content: center;
  padding: 8vh 16px 24px;
  overflow-y: auto;
}
.legal-modal[hidden] { display: none; }
.legal-modal-mask {
  position: absolute; inset: 0;
  background: rgba(15, 20, 35, 0.55);
  backdrop-filter: blur(3px);
}
.legal-modal-box {
  position: relative; z-index: 1;
  background: #fff; border-radius: var(--radius-l);
  width: min(720px, 100%);
  padding: 32px 36px 28px;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.22);
  animation: modalIn 0.18s ease;
}
.legal-modal-close {
  position: absolute; top: 12px; right: 14px;
  width: 32px; height: 32px; border: none; background: transparent;
  font-size: 22px; line-height: 1; cursor: pointer;
  color: var(--ink-3); border-radius: 50%;
}
.legal-modal-close:hover { background: var(--primary-soft); color: var(--ink-1); }
.legal-modal-title {
  font-size: 22px; font-weight: 700; color: var(--ink-1);
  margin: 0 0 16px; padding-right: 28px;
  border-bottom: 1px solid var(--line); padding-bottom: 12px;
}
.legal-modal-body { font-size: 14px; line-height: 1.8; color: var(--ink-1); }
.legal-modal-body p { margin: 0 0 12px; }
.legal-modal-body ul, .legal-modal-body ol { margin: 0 0 14px; padding-left: 22px; }
.legal-modal-body li { margin: 4px 0; }
.legal-modal-body code {
  background: var(--ink-soft, #f3f4f6); padding: 1px 6px; border-radius: 4px;
  font-size: 13px; color: var(--primary-dark);
}
.legal-modal-body strong { color: var(--ink-1); }
.legal-h3 {
  font-size: 15px; font-weight: 700; color: var(--ink-1);
  margin: 18px 0 8px;
}
.legal-table {
  width: 100%; border-collapse: collapse; margin: 8px 0 14px;
  font-size: 13px;
}
.legal-table th, .legal-table td {
  border: 1px solid var(--line); padding: 8px 12px; text-align: left;
  vertical-align: top;
}
.legal-table th {
  width: 38%; background: var(--primary-soft); color: var(--ink-1);
  font-weight: 600;
}
.legal-muted {
  font-size: 13px; color: var(--ink-3);
  border-top: 1px dashed var(--line);
  padding-top: 10px; margin-top: 14px;
}
/* 留言板（联系我们弹窗内） */
.contact-form { display: flex; flex-direction: column; gap: 6px; margin: 6px 0 4px; }
.contact-form label { font-size: 13px; font-weight: 600; color: var(--ink-2); margin-top: 6px; }
.contact-required { color: #d14343; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; box-sizing: border-box; padding: 9px 12px;
  border: 1px solid var(--line); border-radius: 8px;
  background: #fff; color: var(--ink-1);
  font: inherit; font-size: 14px; resize: vertical;
}
.contact-form textarea { min-height: 96px; line-height: 1.6; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft);
}
.contact-form-foot {
  display: flex; align-items: center; justify-content: flex-end;
  gap: 12px; margin-top: 10px; flex-wrap: wrap;
}
.contact-form-foot button {
  padding: 9px 22px; border: none; border-radius: 8px; cursor: pointer;
  background: var(--primary); color: #fff; font: inherit; font-size: 14px; font-weight: 600;
}
.contact-form-foot button:disabled { opacity: 0.6; cursor: default; }
.contact-status { font-size: 13px; color: var(--ink-3); margin-right: auto; }
.contact-status[data-state="ok"] { color: #1f8a53; }
.contact-status[data-state="error"] { color: #d14343; }
body.theme-dark .legal-modal-box { background: #1f2530; color: #e6e9f0; }
body.theme-dark .legal-modal-title { color: #e6e9f0; border-color: rgba(255,255,255,0.12); }
body.theme-dark .legal-modal-body, body.theme-dark .legal-modal-body strong { color: #d0d4dc; }
body.theme-dark .legal-table th { background: rgba(120,140,200,0.18); color: #d0d4dc; }
body.theme-dark .legal-table th, body.theme-dark .legal-table td { border-color: rgba(255,255,255,0.12); }
body.theme-dark .legal-modal-body code { background: rgba(255,255,255,0.1); color: #aac0ff; }
body.theme-dark .legal-modal-close { color: #aab; }
body.theme-dark .legal-modal-close:hover { background: rgba(255,255,255,0.08); color: #fff; }
body.theme-dark .contact-form label { color: #c3c9d6; }
body.theme-dark .contact-form input, body.theme-dark .contact-form select, body.theme-dark .contact-form textarea {
  background: #171b23; border-color: rgba(255,255,255,0.15); color: #e6e9f0;
}
body.theme-dark .contact-status[data-state="ok"] { color: #63c88d; }
body.theme-dark .contact-status[data-state="error"] { color: #f08c8c; }
.modal-actions.vertical { flex-direction: column; gap: 10px; }
.modal-btn {
  padding: 10px 20px; border-radius: 999px;
  font-weight: 600; font-size: 14px; border: 1px solid var(--line);
  background: #fff; color: var(--ink-2); transition: all 0.15s;
}
.modal-btn:hover { border-color: var(--primary); color: var(--primary-dark); }
.modal-btn.modal-cancel { background: var(--bg-soft); }
.modal-btn.modal-exit { border-color: var(--danger); color: var(--danger); }
.modal-btn.modal-go { background: var(--primary); color: #fff; border-color: var(--primary); }
.modal-btn.modal-go:hover { background: var(--primary-dark); }
.modal-btn.modal-ai { background: var(--accent-soft); color: #0f5b54; border-color: var(--accent); }
.modal-btn.modal-ai:hover { background: var(--accent); color: #fff; }

/* ============================================================
 * 浮动工具栏
 * ============================================================ */
.fab-stack { position: fixed; right: 16px; bottom: 24px; display: flex; flex-direction: column; gap: 8px; z-index: 25; }
.fab {
  width: 42px; height: 42px; border-radius: 50%;
  background: #fff; color: var(--ink-2);
  border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  display: grid; place-items: center; font-size: 16px;
  cursor: pointer; transition: all 0.15s;
}
.fab:hover { color: var(--primary); border-color: var(--primary); box-shadow: var(--shadow-md); }
.fab.fab-icon { font-weight: 700; }
.fab.fab-small { width: 36px; height: 36px; font-size: 14px; }
.fab-rotate { transform: rotate(180deg); }

/* ========== 响应式 ========== */
/* Two-column consultation workbench. Container width drives narrow mode. */
#page-consultation .case-dual{display:block}
#page-consultation .consult-main{height:calc(100dvh - 180px);min-height:620px;max-height:960px;min-width:0;overflow:hidden}
#page-consultation .consult-head{flex:none;gap:16px;flex-wrap:wrap;background:var(--bg-card,#fff)}
#page-consultation .timer-card{display:flex;align-items:center;gap:12px;padding:0;margin-left:auto;border:0;box-shadow:none;background:transparent;text-align:left}
#page-consultation .timer-display{font-size:26px;letter-spacing:0;margin:0;order:1}
#page-consultation .timer-status{font-size:12px;line-height:1.4;max-width:none;padding:0;order:0;white-space:nowrap}

/* Anatomy workbench: a fixed teaching stage with a responsive detail drawer. */
.anatomy-heading{align-items:flex-start;gap:16px}
.anatomy-workbench{display:grid;grid-template-columns:minmax(0,1fr) 360px;min-height:610px;margin:22px 0;border:1px solid rgba(31,92,80,.13);border-radius:24px;overflow:hidden;background:rgba(255,255,255,.82);box-shadow:0 18px 42px rgba(77,69,146,.10)}
.anatomy-stage-shell{display:flex;min-width:0;min-height:610px;flex-direction:column;background:linear-gradient(140deg,#e3f5f0 0%,#dce9ff 48%,#f4e6fb 100%)}
.anatomy-stage{position:relative;flex:1;min-height:540px;overflow:hidden;touch-action:none}
.anatomy-stage canvas{display:block;width:100%;height:100%;cursor:grab}
.anatomy-stage canvas:active{cursor:grabbing}
.anatomy-stage-empty{display:grid;place-items:center;height:100%;margin:0;color:#386f64}
.anatomy-stage-hint{position:absolute;left:18px;bottom:16px;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.78);color:#315e55;font-size:12px;backdrop-filter:blur(8px);pointer-events:none}
.anatomy-toolbar{display:flex;gap:8px;overflow:auto;padding:13px 16px;background:rgba(255,255,255,.72);border-top:1px solid rgba(31,92,80,.10)}
.anatomy-toolbar button,.anatomy-structure-list button{border:1px solid #dbe6e2;border-radius:10px;background:#fff;color:#285a4e;padding:8px 11px;font:inherit;font-size:13px;white-space:nowrap;cursor:pointer}
.anatomy-toolbar button.active,.anatomy-structure-list button.active{color:#fff;border-color:#166e5a;background:#166e5a;box-shadow:0 5px 12px rgba(22,110,90,.18)}
.anatomy-details{position:relative;background:#fffcff;border-left:1px solid rgba(31,92,80,.12)}
.anatomy-drawer-handle{display:none}
.anatomy-detail-content{padding:31px 28px}
.anatomy-detail-content h2{margin:6px 0 10px;font-size:30px;color:#173c35}
.anatomy-detail-content h3{margin:25px 0 11px;font-size:15px;color:#244d45}
.anatomy-detail-content p{margin:0;color:#536c66;line-height:1.7}
.anatomy-learning{margin-top:20px;padding:15px;border-radius:15px;background:#edf7f3;border:1px solid #d4ebe2}
.anatomy-learning strong{color:#176a57;font-size:14px}
.anatomy-learning p{margin-top:5px!important;font-size:13px}
.anatomy-structure-list{display:flex;flex-wrap:wrap;gap:8px}
.anatomy-note{margin-top:24px!important;font-size:12px;color:#80908b!important}
body.member-ready #previewLogin{display:none!important}
@media (max-width:900px){.anatomy-workbench{grid-template-columns:1fr;min-height:0}.anatomy-stage-shell{min-height:500px}.anatomy-stage{min-height:440px}.anatomy-details{border-left:0;border-top:1px solid rgba(31,92,80,.12)}}
@media (max-width:600px){.anatomy-heading .dash-actions{width:100%}.anatomy-heading .dash-actions>*{flex:1;justify-content:center}.anatomy-workbench{margin-inline:-4px;border-radius:18px}.anatomy-stage-shell{min-height:calc(100dvh - 210px)}.anatomy-stage{min-height:0}.anatomy-details{position:fixed;z-index:70;left:0;right:0;bottom:0;max-height:76dvh;border:1px solid rgba(31,92,80,.16);border-radius:22px 22px 0 0;box-shadow:0 -18px 48px rgba(39,40,81,.18);transform:translateY(calc(100% - 54px));transition:transform .25s ease;background:#fffcff}.anatomy-details.drawer-open{transform:translateY(0)}.anatomy-drawer-handle{display:flex;align-items:center;justify-content:space-between;width:100%;height:54px;padding:0 21px;border:0;border-bottom:1px solid rgba(31,92,80,.10);background:transparent;color:#214c43;font:700 15px inherit;text-align:left}.anatomy-drawer-handle span{transition:transform .25s}.anatomy-details.drawer-open .anatomy-drawer-handle span{transform:rotate(180deg)}.anatomy-detail-content{max-height:calc(76dvh - 54px);overflow:auto;padding:19px 21px 27px}.anatomy-detail-content h2{font-size:25px}}
.consult-timer-settings{position:relative;order:2;font-size:14px}
.consult-timer-settings summary{cursor:pointer;list-style:none;padding:8px 10px;border:1px solid var(--line);border-radius:8px}
.consult-timer-settings[open]{z-index:10}
.consult-timer-settings .timer-ctrl{position:absolute;top:42px;right:0;width:210px;background:var(--bg-card,#fff);padding:14px 12px 50px;border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 24px #403a6320}
.consult-timer-settings .timer-reset{position:absolute;top:102px;right:12px;width:186px}
#page-consultation .consult-workspace{display:flex;min-height:0;flex:1;overflow:hidden}
#page-consultation .with-video-stage .consult-workspace{display:grid;grid-template-columns:minmax(0,1fr) 8px var(--consult-chat-width,420px)}
#page-consultation .consult-stage-panel{display:none}
#page-consultation .with-video-stage .consult-stage-panel{display:flex;flex-direction:column;position:relative;min-width:0;min-height:0;background:linear-gradient(135deg,#dceeff,#eee7ff 54%,#f9e4f4);overflow:hidden}
#page-consultation .with-video-stage .consult-stage-slot{display:block;flex:1;width:100%;height:auto;min-height:0;padding:0;border:0;background:transparent;position:relative;overflow:hidden}
#page-consultation .consult-lam-stage{position:absolute;inset:0;width:100%;height:100%;margin:0;border:0;background:transparent}
#page-consultation .consult-lam-holder{position:absolute;left:50%;top:50%;width:640px;height:480px;min-width:640px;min-height:480px;transform:translate(-50%,calc(-50% - 90px));overflow:visible;pointer-events:none;background:transparent}
#page-consultation .consult-lam-holder canvas{position:absolute;left:0;top:0;width:640px!important;height:480px!important;min-width:640px;min-height:480px;max-width:none!important;max-height:none!important;transform:none;margin:0;pointer-events:none}
#page-consultation .consult-conversation{display:flex;flex:1;height:100%;min-height:0;min-width:0;overflow:hidden;background:var(--bg-card,#fff)}
.consult-tabs{display:flex;flex:none;gap:4px;padding:10px 12px;border-bottom:1px solid var(--line)}
.consult-tabs button,.consult-mobile-tabs button,.consult-stage-controls button{border:1px solid transparent;border-radius:8px;padding:8px 10px;background:transparent;font:inherit;font-size:14px;color:var(--ink-2);cursor:pointer}
.consult-tabs button[aria-selected=true],.consult-mobile-tabs button[aria-pressed=true]{background:#eeebff;color:#5c48ab}
.consult-tab-panel{display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden}
.consult-tab-panel[hidden]{display:none!important}
#page-consultation .chat-stream{min-height:0;flex:1;overscroll-behavior:contain;overflow:auto}
#page-consultation .chat-input{align-items:flex-end;flex:none;min-width:0;background:var(--bg-card,#fff)}
#page-consultation #chatInput{display:block;flex:1;width:0;min-width:0;min-height:56px;max-height:120px;resize:none;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--bg-soft);color:var(--ink-1);font:inherit;font-size:16px;line-height:1.5;overflow:auto}
#page-consultation #chatInput:focus{outline:2px solid #aea1e0;outline-offset:1px}
#page-consultation #chatSend{flex:none}
#page-consultation #consultPanel1,#page-consultation #consultPanel2{padding:20px;overflow:auto;font-size:16px;line-height:1.6}
#page-consultation #taskCard{border:0;background:transparent;box-shadow:none}
#page-consultation #taskHead{display:none}
#page-consultation #taskBody{display:block;padding:0}
#consultNotes{flex:1;min-height:220px;width:100%;resize:none;margin-top:12px;padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--bg-soft);color:var(--ink-1);font:inherit;line-height:1.7}
.consult-caption{flex:none;min-height:54px;max-height:54px;margin:0 24px 12px;padding:6px 16px;border-radius:12px;background:#ffffffaa;color:#30324e;font-size:15px;line-height:21px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-align:center}
.consult-stage-controls{display:flex;flex:none;flex-wrap:wrap;justify-content:center;gap:6px;padding:0 12px 16px}
.consult-stage-controls button{background:#ffffffbb;border-color:#dcd9ed}
#consultStageMessage{font-size:12px;width:100%;text-align:center}
.consult-mobile-tabs{display:none}
#page-consultation .transcript-hidden .chat-stream{visibility:hidden}
#page-consultation .consult-narrow.with-video-stage .consult-workspace{display:block;position:relative}
#page-consultation .consult-narrow.with-video-stage .consult-stage-panel{position:absolute;inset:0;display:flex}
#page-consultation .consult-narrow.with-video-stage .consult-conversation{position:absolute;inset:0;visibility:hidden;pointer-events:none}
#page-consultation .consult-narrow.with-video-stage.show-conversation .consult-stage-panel{visibility:hidden;pointer-events:none}
#page-consultation .consult-narrow.with-video-stage.show-conversation .consult-conversation{visibility:visible;pointer-events:auto}
#page-consultation .consult-narrow .consult-splitter{display:none}
#page-consultation .consult-narrow.with-video-stage .consult-mobile-tabs{display:flex;flex:none;padding:8px 16px;gap:8px;border-bottom:1px solid var(--line)}
#page-consultation .consult-stage-panel:fullscreen{display:flex;visibility:visible;pointer-events:auto;width:100vw;height:100dvh;background:linear-gradient(135deg,#dceeff,#eee7ff 54%,#f9e4f4)}
body.theme-dark #page-consultation .consult-stage-panel{background:linear-gradient(135deg,#25354b,#332d4b 54%,#472d43)}
body.theme-dark .consult-caption,body.theme-dark .consult-stage-controls button{background:#24283ddd;color:#efefff;border-color:#4a4962}
@media(max-width:600px){#page-consultation .consult-head{gap:8px;padding:12px}#page-consultation .timer-card{gap:8px}#page-consultation .timer-status{display:none}#page-consultation .consult-main{min-height:600px}.consult-caption{margin-inline:12px}}

@media (max-width: 760px) {
  .sidebar { transform: translateX(-100%); }
  .main,
  .sidebar.collapsed ~ .main { margin-left: 0; }
  .site-footer,
  .sidebar.collapsed ~ .main ~ .site-footer { margin-left: 0; }
  .cards { grid-template-columns: 1fr; }
  .topbar { padding: 12px 16px; }
  .search-box { width: 100%; }
  .topbar-actions { position: static; margin-left: auto; }
  .view { padding: 14px 14px 80px; }
  .banner { margin: 12px 14px 0; }
  .toolbar { flex-wrap: wrap; }
  .btn-create { width: 100%; }
  .page-title { font-size: 26px; }
  .step-line { width: 40px; }
  .mark-main { padding: 18px 14px; }
  .mark-item { padding: 11px 8px; gap: 8px; }
  .mark-side { order: -1; }
  .mark-score-card { position: static; }
  .ai-feedback-cols { grid-template-columns: 1fr; gap: 10px; }
  .footer-meta { width: 100%; min-width: 0; margin-left: 0; text-align: left; }
}

/* ========== 主题：暗色 ========== */
body.theme-dark {
  --bg-soft: #0f0f1a; --bg-card: #1a1a2c;
  --line: #2a2a3e; --line-strong: #3a3a52;
  --ink-1: #e8e8f0; --ink-2: #b0b0c0; --ink-3: #707088;
  background: var(--bg-soft); color: var(--ink-1);
}
body.theme-dark .sidebar { background: #16162a; }
body.theme-dark .topbar { background: #16162a; }
body.theme-dark .card,
body.theme-dark .consult-main,
body.theme-dark .timer-card,
body.theme-dark .task-card,
body.theme-dark .mark-main,
body.theme-dark .mark-score-card,
body.theme-dark .mark-grade,
body.theme-dark .instr-card,
body.theme-dark .qs-item,
body.theme-dark .modal-box { background: var(--bg-card); }
body.theme-dark .search-wrap input,
body.theme-dark .chat-input input,
body.theme-dark .filter-drops select { background: #20203a; color: var(--ink-1); }
body.theme-dark .chat-stream { background: linear-gradient(180deg, #14142a 0%, #0f0f1a 100%); }
body.theme-dark .msg-row.patient .bubble { background: #20203a; border-color: var(--line); }
body.theme-dark .bubble.miss { background: #2a2418 !important; color: #ffb87a; }
body.theme-dark .chip { background: #20203a; border-color: var(--line); }
body.theme-dark .card-art { background: #20203a; }
body.theme-dark .banner { background: #2a1f5a; border-color: #4a3a8a; }
body.theme-dark .banner-text { color: #d8d0f8; }
body.theme-dark .kbd { background: #2a2a3e; border-color: var(--line); color: var(--ink-3); }
body.theme-dark .result-meta { color: var(--ink-3); }
body.theme-dark .topbar-actions .bell { color: var(--ink-2); }
body.theme-dark #chatSend { color: #fff; }
body.theme-dark .mark-score-bar,
body.theme-dark .mark-score-fill { background: #20203a; }
body.theme-dark .mark-item:hover { background: #20203a; }
body.theme-dark .step-circle { background: var(--bg-card); border-color: var(--line-strong); }
body.theme-dark .timer-reset,
body.theme-dark .mark-item-score { color: var(--ink-3); }
body.theme-dark .timer-btn { background: var(--bg-card); }
body.theme-dark .instr-tasks li,
body.theme-dark .task-body li,
body.theme-dark .qs-answer { background: #20203a; }

/* ============================================================
 * 侧栏：可展开子菜单 + 灰显项
 * ============================================================ */
.nav-item.nav-group { justify-content: flex-start; position: relative; }
.nav-item.nav-group .nav-label { flex: 1; line-height: 1.3; }
.nav-item.nav-group .nav-chevron {
  margin-left: auto; font-size: 11px;
  color: var(--ink-3); transition: transform 0.2s;
}
.nav-item.nav-group.expanded .nav-chevron { transform: rotate(180deg); }

.nav-sub {
  display: none;
  margin: 0 8px 8px;
  padding: 4px 0;
  border-left: 2px solid var(--primary-soft);
  margin-left: 28px;
}
.nav-sub.expanded { display: block; }
.nav-sub-item {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 12px;
  font-size: 13px;
  color: var(--ink-2);
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
  cursor: pointer;
}
.nav-sub-item:hover { background: var(--bg-soft); color: var(--ink-1); }
.nav-sub-item.active { background: var(--primary-soft); color: var(--primary-dark); font-weight: 600; }
.nav-sub-item .dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--ink-3); flex-shrink: 0;
}
.nav-sub-item.active .dot { background: var(--primary); }
.nav-sub-item.nav-sub-disabled { color: var(--ink-3); opacity: 0.55; pointer-events: none; }

.nav-item.nav-disabled {
  opacity: 0.5; pointer-events: none;
}
.nav-item.nav-disabled:hover { background: transparent; color: var(--ink-2); }

/* ============================================================
 * 顶栏：用户下拉菜单
 * ============================================================ */
.user-menu { position: relative; }
.user-trigger {
  display: flex; align-items: center; gap: 8px;
  background: transparent; border: 1px solid var(--line);
  border-radius: 999px; padding: 4px 10px 4px 4px;
  cursor: pointer; transition: border-color 0.15s;
}
.user-trigger:hover { border-color: var(--primary); }
.user-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, #2ecc71, #16a39a);
  color: #fff; display: grid; place-items: center;
  font-size: 16px;
}
.user-name { font-weight: 600; font-size: 13px; color: var(--ink-1); }
.user-arrow { font-size: 10px; color: var(--ink-3); transition: transform 0.2s; }
.user-trigger.open .user-arrow { transform: rotate(180deg); }
.user-dropdown {
  position: absolute; right: 0; top: calc(100% + 8px);
  background: #fff; border: 1px solid var(--line);
  border-radius: 12px; box-shadow: var(--shadow-lg);
  min-width: 220px; z-index: 50; overflow: hidden;
  animation: ddIn 0.15s ease;
}
@keyframes ddIn { from { transform: translateY(-6px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.user-dd-item {
  display: block; padding: 12px 18px;
  font-size: 14px; color: var(--ink-1);
  transition: background 0.15s; cursor: pointer;
}
.user-dd-item:hover { background: var(--bg-soft); }
.user-dd-divider {
  height: 1px; background: var(--line); margin: 4px 0;
}

/* ============================================================
 * Home Dashboard
 * ============================================================ */
.info-banner {
  margin: 0 0 24px;
  padding: 12px 18px;
  background: linear-gradient(135deg, #fef9c3 0%, #fde68a 100%);
  color: #78350f; border-radius: var(--radius-l);
  font-size: 14px;
  display: flex; align-items: center; gap: 10px;
  border: 1px solid #fcd34d;
}
.info-banner .info-icon { font-size: 16px; }
.info-banner .info-text { flex: 1; }
.info-banner .info-close { background: transparent; border: 0; cursor: pointer; color: #78350f; font-size: 18px; line-height: 1; padding: 2px 6px; }
.info-banner .info-close:hover { color: #1f2937; }
body.theme-dark .info-banner { background: linear-gradient(135deg, #422006 0%, #78350f 100%); color: #fef3c7; border-color: #92400e; }
body.theme-dark .info-banner .info-close { color: #fef3c7; }

.home-grid {
  display: grid; grid-template-columns: 1fr 320px; gap: 18px;
}
@media (max-width: 980px) { .home-grid { grid-template-columns: 1fr; } }

.home-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l); margin-bottom: 18px;
  overflow: hidden;
}
.home-card-head {
  padding: 16px 20px 0;
  display: flex; align-items: center; justify-content: space-between;
}
.home-card-title { font-size: 18px; font-weight: 700; color: var(--ink-1); margin: 0; }
.home-card-body { padding: 14px 20px 20px; }
.link-arrow { color: var(--primary-dark); font-size: 13px; font-weight: 600; }
.link-arrow:hover { color: var(--primary); }

/* Activity */
.activity-top {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 14px; margin-bottom: 16px; flex-wrap: wrap;
}
.activity-streak { display: flex; flex-direction: column; gap: 6px; }
.streak-row {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--ink-2);
}
.streak-icon { font-size: 14px; }
.streak-num { font-weight: 700; color: var(--ink-1); }
.activity-range { display: flex; gap: 4px; }
.range-pill {
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: 8px; padding: 5px 12px;
  font-size: 12px; color: var(--ink-2); cursor: pointer;
  transition: all 0.15s;
}
.range-pill:hover { color: var(--ink-1); border-color: var(--line-strong); }
.range-pill.active {
  background: var(--primary-soft); border-color: var(--primary-soft);
  color: var(--primary-dark); font-weight: 700;
}

.activity-heatmap {
  display: grid;
  grid-template-columns: repeat(15, 1fr);
  gap: 4px; margin-bottom: 12px;
}
.hm-cell {
  aspect-ratio: 1; border-radius: 3px;
  background: var(--bg-soft);
}
.hm-cell.l1 { background: #e8f0ea; }
.hm-cell.l2 { background: #b5d1bb; }
.hm-cell.l3 { background: #7eb08a; }
.hm-cell.l4 { background: #2C5F3E; }
.hm-cell.l5 { background: #1F4530; }

.activity-foot {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px; color: var(--ink-3);
  margin-top: 8px;
}
.heat-legend { display: flex; align-items: center; gap: 4px; }
.leg { display: inline-block; width: 12px; height: 12px; border-radius: 2px; }
.leg-1 { background: #e8f0ea; }
.leg-2 { background: #b5d1bb; }
.leg-3 { background: #7eb08a; }
.leg-4 { background: #2C5F3E; }
.leg-5 { background: #1F4530; }

/* Continue cards */
.continue-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
@media (max-width: 760px) { .continue-grid { grid-template-columns: 1fr; } }
.continue-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-m); padding: 14px;
  display: flex; flex-direction: column; gap: 8px;
  transition: border-color 0.15s, box-shadow 0.18s, transform 0.18s;
}
.continue-card:hover { border-color: var(--primary); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.cc-head { display: flex; align-items: center; gap: 6px; }
.cc-icon { font-size: 16px; }
.cc-tag {
  font-size: 11px; color: var(--primary-dark);
  background: var(--primary-soft); padding: 2px 8px;
  border-radius: 999px; font-weight: 700;
}
.cc-title { font-weight: 700; font-size: 14px; color: var(--ink-1); }
/* 兜底：标题最多两行，避免异常长文本（如误存诊断）把卡片撑成一整屏 */
.cc-title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}
.cc-progress { display: flex; flex-direction: column; gap: 4px; }
.cc-bar {
  height: 6px; background: var(--bg-soft);
  border-radius: 999px; overflow: hidden;
}
.cc-fill {
  height: 100%; background: var(--primary);
  border-radius: 999px; transition: width 0.3s;
}
.cc-fill-green { background: var(--accent); }
.cc-meta { font-size: 11px; color: var(--ink-3); }
.cc-go {
  margin-top: auto; font-size: 13px; font-weight: 600;
  color: var(--primary-dark); padding-top: 4px;
}

/* Focus area */
.focus-area {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 12px 0;
}
.focus-icon {
  font-size: 22px; width: 36px; height: 36px;
  background: var(--bg-soft); border-radius: 8px;
  display: grid; place-items: center; flex-shrink: 0;
}
.focus-title { font-weight: 600; font-size: 14px; color: var(--ink-1); }
.focus-sub { font-size: 13px; color: var(--ink-2); margin-top: 2px; }

/* Home side (shortcuts) */
.home-side {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l); padding: 16px;
  height: max-content; position: sticky; top: 80px;
}
.home-side-title {
  font-size: 15px; font-weight: 700; color: var(--ink-1);
  margin: 0 0 14px;
}
.shortcut-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.shortcut-card {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border: 1px solid var(--line);
  border-radius: 10px; background: #fff;
  transition: all 0.15s;
}
.shortcut-card:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.sc-icon {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--bg-soft); display: grid; place-items: center;
  font-size: 16px; flex-shrink: 0;
}
.sc-title { font-size: 13px; font-weight: 600; color: var(--ink-1); }
.sc-edit {
  width: 100%; background: transparent;
  border: 1px solid var(--line); border-radius: 8px;
  padding: 8px; font-size: 12px; color: var(--ink-2);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  gap: 4px; font-weight: 600; transition: all 0.15s;
}
.sc-edit:hover { color: var(--primary-dark); border-color: var(--primary); }

/* ============================================================
 * Recent activity
 * ============================================================ */
.recent-empty {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l); padding: 80px 20px;
  text-align: center; margin-top: 24px;
}
.recent-empty .empty-art { font-size: 56px; opacity: 0.4; margin-bottom: 14px; }
.recent-empty p { font-size: 16px; color: var(--ink-1); margin: 0 0 6px; }

/* 主页「重点复习方向」列表容器 */
.focus-list { display: flex; flex-direction: column; gap: 12px; }
.focus-list + .focus-area { /* deprecated single-card fallback */ display: none; }

/* 最近活动真实数据 timeline */
.recent-list { margin-top: 18px; }
.recent-timeline { display: flex; flex-direction: column; gap: 12px; }
.recent-item {
  display: flex; align-items: flex-start; gap: 14px;
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l); padding: 14px 18px;
  transition: border-color .15s, box-shadow .15s;
}
.recent-item:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
.recent-icon {
  flex: 0 0 36px; width: 36px; height: 36px; border-radius: 10px;
  background: var(--primary-soft); color: var(--primary-dark);
  display: grid; place-items: center; font-size: 18px;
}
.recent-body { flex: 1 1 auto; min-width: 0; }
.recent-head {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px;
  font-size: 14px; color: var(--ink-1);
}
.recent-title { font-weight: 600; }
.recent-tag {
  font-size: 11px; padding: 2px 8px; border-radius: 999px;
  background: var(--ink-soft, #f3f4f6); color: var(--ink-2);
}
.recent-time { font-size: 12px; color: var(--ink-3); margin-left: auto; }
.recent-desc { font-size: 13px; color: var(--ink-2); margin-top: 4px; line-height: 1.6; }
.recent-go {
  flex: 0 0 auto; align-self: center; font-size: 13px;
  color: var(--primary); text-decoration: none; font-weight: 500;
  padding: 6px 10px; border-radius: 8px;
  border: 1px solid var(--primary-soft);
}
.recent-go:hover { background: var(--primary-soft); }

/* ============================================================
 * Join group practice
 * ============================================================ */
.pin-wrap { display: flex; align-items: center; justify-content: center; padding: 40px 0; }
.pin-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l); padding: 36px 40px;
  text-align: center; max-width: 480px; width: 100%;
  box-shadow: var(--shadow-sm);
}
.pin-icon {
  width: 60px; height: 60px; margin: 0 auto 16px;
  background: var(--primary-soft); color: var(--primary-dark);
  border-radius: 50%; display: grid; place-items: center;
  font-size: 28px;
}
.pin-title { font-size: 22px; font-weight: 700; margin: 0 0 10px; color: var(--ink-1); }
.pin-desc { font-size: 14px; color: var(--ink-2); margin: 0 0 28px; line-height: 1.6; }
.pin-inputs { display: flex; justify-content: center; gap: 8px; margin-bottom: 24px; }
.pin-box {
  width: 48px; height: 56px; text-align: center;
  font-size: 22px; font-weight: 700;
  border: 2px solid var(--line); border-radius: 10px;
  outline: none; transition: all 0.15s;
  color: var(--ink-1); background: #fff;
}
.pin-box:focus {
  border-color: var(--primary); box-shadow: 0 0 0 4px rgba(109, 76, 240, 0.12);
}
.pin-join {
  background: var(--bg-soft); color: var(--ink-3);
  border: none; padding: 10px 28px; border-radius: 999px;
  font-weight: 700; font-size: 14px; cursor: not-allowed;
  transition: all 0.15s;
}
.pin-join:enabled {
  background: var(--primary); color: #fff; cursor: pointer;
}
.pin-join:enabled:hover { background: var(--primary-dark); }

/* ============================================================
 * 小组练习 (Group Practice) · async 协作模式 UI
 * ============================================================ */
.gp-tabs {
  display: flex; gap: 4px; padding: 4px;
  background: var(--primary-soft); border-radius: 12px;
  width: fit-content; margin: 18px 0 24px;
}
.gp-tab {
  background: transparent; border: none;
  padding: 8px 18px; font-size: 14px; font-weight: 500;
  border-radius: 8px; cursor: pointer; color: var(--ink-2);
  transition: all 0.15s;
}
.gp-tab.active { background: #fff; color: var(--primary-dark); box-shadow: var(--shadow-sm); }
.gp-pane { background: transparent; }
.gp-empty {
  background: #fff; border: 1px dashed var(--line);
  padding: 60px 20px; text-align: center; border-radius: var(--radius-l);
}
.gp-empty .empty-art { font-size: 48px; opacity: 0.5; margin-bottom: 14px; }
.gp-empty p { font-size: 15px; color: var(--ink-1); margin: 0 0 6px; }
.gp-empty .empty-sub { font-size: 13px; color: var(--ink-3); }

/* 实时小组看板 */
.gp-board { display: flex; flex-direction: column; gap: 14px; margin-bottom: 18px; }
.gp-summary-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l);
  padding: 16px 18px; transition: border-color .15s;
}
.gp-summary-card:hover { border-color: var(--primary); }
.gp-summary-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.gp-summary-head h4 { font-size: 16px; margin: 0 0 4px; color: var(--ink-1); font-weight: 600; }
.gp-topic {
  font-size: 11px; padding: 2px 8px; border-radius: 999px;
  background: var(--primary-soft); color: var(--primary-dark); margin-left: 6px;
}
.gp-invite {
  font-family: 'Cascadia Code', Menlo, Consolas, monospace;
  font-size: 14px; font-weight: 700;
  background: var(--primary-soft); color: var(--primary-dark);
  padding: 4px 10px; border-radius: 6px; letter-spacing: 2px;
}
.gp-summary-meta { font-size: 12px; color: var(--ink-3); margin: 6px 0 12px; }
.gp-mini-board { display: flex; flex-wrap: wrap; gap: 8px 14px; }
.gp-mini-row { font-size: 13px; color: var(--ink-2); display: inline-flex; align-items: center; gap: 4px; }
.gp-mini-row i { font-style: normal; font-weight: 700; color: var(--primary); margin-right: 3px; }
.gp-summary-actions { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }

.gp-secondary, .gp-danger {
  border: 1px solid var(--line); background: #fff;
  border-radius: 8px; padding: 6px 14px; font-size: 13px;
  cursor: pointer; font-weight: 500;
}
.gp-secondary { color: var(--ink-1); }
.gp-secondary:hover { border-color: var(--primary); color: var(--primary-dark); }
.gp-danger { color: #c44545; border-color: rgba(196, 69, 69, 0.2); }
.gp-danger:hover { background: rgba(196, 69, 69, 0.06); }

.gp-mine-status { font-size: 13px; color: var(--ink-3); margin-top: 8px; }

/* 创建 / 加入 表单 */
.gp-form {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l); padding: 24px 28px;
  max-width: 520px;
}
.gp-label { display: flex; flex-direction: column; gap: 4px; margin-bottom: 14px; font-size: 13px; color: var(--ink-2); }
.gp-label > span { font-weight: 500; }
.gp-label input {
  border: 1px solid var(--line); border-radius: 8px;
  padding: 9px 12px; font-size: 14px; outline: none;
  background: #fff; color: var(--ink-1);
}
.gp-label input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(109, 76, 240, 0.12); }
.gp-pin-row { display: flex; gap: 8px; margin-top: 2px; }
.gp-pin-box {
  width: 48px; height: 52px; text-align: center; font-size: 22px; font-weight: 700;
  border: 2px solid var(--line); border-radius: 10px; outline: none;
  color: var(--ink-1); background: #fff;
}
.gp-pin-box:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(109, 76, 240, 0.12); }
.gp-create-result, .gp-msg { margin-top: 18px; font-size: 14px; }
.gp-created {
  background: var(--primary-soft); border-radius: 10px;
  padding: 16px; display: flex; flex-direction: column; gap: 10px;
  align-items: flex-start;
}
.gp-created .gp-invite { font-size: 18px; padding: 6px 14px; }
.gp-created > div { font-size: 14px; }
.gp-created button { align-self: flex-start; }

.btn-primary {
  background: var(--primary); color: #fff; border: none;
  padding: 10px 22px; border-radius: 999px;
  font-size: 14px; font-weight: 600; cursor: pointer;
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

/* 小组详情（动态注入） */
.gp-detail-host { margin-top: 18px; }
.gp-detail-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l);
  padding: 22px 24px;
}
.gp-detail-head { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; margin-bottom: 14px; }
.gp-detail-head h3 { margin: 0 0 4px; font-size: 18px; color: var(--ink-1); }
.gp-detail-head .gp-meta { font-size: 12px; color: var(--ink-3); }
.gp-detail-head .gp-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.gp-loading { text-align: center; padding: 40px; color: var(--ink-3); font-size: 14px; }

/* 当前轮 */
.gp-round-card { background: var(--bg-soft, #f6f7fb); border-radius: var(--radius-l); padding: 18px 20px; margin-bottom: 18px; }
.gp-round-card.closed { background: var(--ink-soft, #f3f4f6); }
.gp-round-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.gp-round-head h4 { margin: 0; font-size: 15px; color: var(--ink-1); }
.gp-timer { font-size: 13px; color: var(--ink-2); }
.gp-timer b { color: var(--primary-dark); font-weight: 700; margin: 0 2px; }
.gp-round-q { font-size: 15px; line-height: 1.7; color: var(--ink-1); margin-bottom: 14px; }
.gp-round-options { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 640px) { .gp-round-options { grid-template-columns: 1fr; } }
.gp-opt {
  background: #fff; border: 1px solid var(--line);
  border-radius: 10px; padding: 12px 14px;
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; text-align: left; color: var(--ink-1);
  cursor: pointer; transition: all .15s;
}
.gp-opt i { font-style: normal; font-weight: 700; color: var(--primary); width: 18px; flex: 0 0 18px; }
.gp-opt:hover:not(:disabled) { border-color: var(--primary); background: var(--primary-soft); }
.gp-opt:disabled { opacity: 0.6; cursor: not-allowed; }
.gp-round-res { font-size: 13px; color: var(--ink-2); margin-top: 12px; padding: 8px 12px; background: #fff; border-radius: 8px; }
.gp-round-res b { color: var(--ink-1); }
.gp-round-answers { margin-top: 14px; }
.gp-round-answers h5 { font-size: 12px; color: var(--ink-3); margin: 0 0 6px; font-weight: 500; }
.gp-ans-list { display: flex; flex-wrap: wrap; gap: 6px; }
.gp-ans-chip {
  font-size: 12px; padding: 3px 10px; border-radius: 999px;
  background: var(--ink-soft, #f3f4f6); color: var(--ink-2);
}
.gp-ans-chip.ok { background: rgba(40, 167, 100, 0.12); color: #1f8a55; }
.gp-ans-chip.bad { background: rgba(196, 69, 69, 0.10); color: #b03a3a; }
.gp-round-empty { padding: 24px; text-align: center; color: var(--ink-3); font-size: 14px; }
.gp-round-empty p { margin: 0 0 12px; }

/* 排行榜 */
.gp-leader h4 { font-size: 15px; color: var(--ink-1); margin: 0 0 10px; font-weight: 600; }
.gp-leader h4 span { font-weight: normal; font-size: 13px; color: var(--ink-3); }
.gp-leader-list { display: flex; flex-direction: column; gap: 6px; }
.gp-leader-row {
  display: grid; grid-template-columns: 36px 1fr auto auto;
  align-items: center; gap: 10px;
  background: var(--bg-soft, #f6f7fb);
  padding: 8px 14px; border-radius: 8px;
  font-size: 13px; color: var(--ink-2);
}
.gp-leader-row.me { background: var(--primary-soft); border: 1px solid var(--primary); }
.gp-leader-rank { font-weight: 700; color: var(--ink-1); text-align: center; }
.gp-leader-name { font-weight: 600; color: var(--ink-1); }
.gp-leader-score { color: var(--primary-dark); font-weight: 700; }
.gp-leader-meta { font-size: 12px; color: var(--ink-3); }

/* 顶部 toast 通知 */
.gp-toast {
  position: fixed; left: 50%; bottom: 60px;
  transform: translateX(-50%) translateY(20px);
  background: rgba(20, 20, 32, 0.9); color: #fff;
  padding: 10px 22px; border-radius: 999px;
  font-size: 14px; opacity: 0;
  pointer-events: none;
  transition: all 0.18s ease;
  z-index: 200; box-shadow: 0 8px 24px rgba(0,0,0,0.18);
}
.gp-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

body.theme-dark .gp-detail-card,
body.theme-dark .gp-summary-card,
body.theme-dark .gp-form,
body.theme-dark .gp-empty { background: #1f2530; border-color: rgba(255,255,255,0.12); }
body.theme-dark .gp-summary-head h4,
body.theme-dark .gp-detail-head h3 { color: #e6e9f0; }
body.theme-dark .gp-opt { background: #2a3140; color: #d0d4dc; border-color: rgba(255,255,255,0.12); }
body.theme-dark .gp-round-card { background: rgba(255,255,255,0.04); }
body.theme-dark .gp-round-card.closed { background: rgba(255,255,255,0.02); }
body.theme-dark .gp-round-res { background: rgba(255,255,255,0.05); color: #d0d4dc; }
body.theme-dark .gp-leader-row { background: rgba(255,255,255,0.04); color: #d0d4dc; }
body.theme-dark .gp-leader-name,
body.theme-dark .gp-leader-rank { color: #e6e9f0; }
body.theme-dark .gp-summary-meta,
body.theme-dark .gp-detail-head .gp-meta,
body.theme-dark .gp-empty .empty-sub { color: #aab; }
body.theme-dark .gp-pin-box,
body.theme-dark .gp-label input { background: #1a1f2a; color: #e6e9f0; border-color: rgba(255,255,255,0.15); }
body.theme-dark .gp-secondary,
body.theme-dark .gp-danger { background: #1a1f2a; }


/* ============================================================
 * Performance 视图
 * ============================================================ */
.perf-stats {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px;
  margin-top: 16px;
}
@media (max-width: 720px) { .perf-stats { grid-template-columns: 1fr; } }
.perf-stat {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l); padding: 24px;
}
.perf-stat-label { font-size: 14px; color: var(--ink-2); margin-bottom: 8px; }
.perf-stat-num { font-size: 64px; font-weight: 800; color: var(--ink-1); letter-spacing: -2px; line-height: 1; }
.perf-stat-sub { font-size: 12px; color: var(--ink-3); margin-top: 6px; }

.library-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  margin-top: 14px;
}
@media (max-width: 760px) { .library-grid { grid-template-columns: repeat(2, 1fr); } }
.lib-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-m); padding: 18px;
}
.lib-label { font-size: 12px; color: var(--ink-2); margin-bottom: 8px; }
.lib-num { font-size: 32px; font-weight: 800; color: var(--ink-1); letter-spacing: -1px; }

.perf-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 12px; }
.perf-tab {
  background: transparent; border: none;
  padding: 10px 18px; font-size: 14px;
  color: var(--ink-2); cursor: pointer; font-weight: 500;
  transition: color 0.15s;
}
.perf-tab:hover { color: var(--ink-1); }
.perf-tab.active { color: var(--primary-dark); font-weight: 700; }

.perf-table {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l); overflow: hidden;
}
.perf-table table { width: 100%; border-collapse: collapse; }
.perf-table th, .perf-table td {
  padding: 14px 18px; text-align: left;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.perf-table th {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  color: var(--ink-3); background: var(--bg-soft);
  letter-spacing: 0.5px;
}
.perf-table th:hover { color: var(--primary-dark); cursor: pointer; }
.perf-table td { color: var(--ink-2); }
.perf-table tr:last-child td { border-bottom: none; }
.perf-table .score-badge {
  display: inline-block; padding: 3px 10px;
  border-radius: 999px; font-weight: 700; font-size: 12px;
  background: var(--accent-soft); color: #0f5b54;
  border: 1px solid #b8e3dc;
}
.perf-table .dash { color: var(--ink-3); }

.perf-sub-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 4px;
}
.btn-link {
  background: transparent; border: none; color: var(--brand);
  font-size: 14px; font-weight: 600; cursor: pointer;
}
.btn-link:hover { text-decoration: underline; }
.delta-up { color: #22c55e; font-weight: 700; }
.delta-down { color: #ef4444; font-weight: 700; }

/* insight cards grid */
.insight-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px; margin-top: 12px;
}
.insight-card {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l); padding: 20px;
  cursor: pointer; transition: box-shadow 0.15s, transform 0.15s;
  position: relative; overflow: hidden;
}
.insight-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.08); transform: translateY(-2px); }
.insight-icon { font-size: 28px; margin-bottom: 10px; }
.insight-title { font-size: 16px; font-weight: 700; color: var(--ink-1); margin-bottom: 8px; }
.insight-progress {
  height: 6px; background: var(--line); border-radius: 3px; overflow: hidden;
  margin-bottom: 6px;
}
.insight-bar { height: 100%; background: var(--brand); border-radius: 3px; transition: width 0.3s; }
.insight-count { font-size: 13px; color: var(--ink-3); margin-bottom: 8px; }
.insight-link {
  background: none; border: none; color: var(--brand); font-size: 13px;
  font-weight: 600; cursor: pointer; padding: 0;
}
.insight-link:hover { text-decoration: underline; }

/* more filters */
.more-filters-wrap { position: relative; }
.more-filters-panel {
  position: absolute; right: 0; top: calc(100% + 6px);
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  padding: 14px; min-width: 180px; z-index: 30;
  display: none;
}
.more-filters-panel.open { display: block; }
.mf-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--ink-2); padding: 6px 0;
  cursor: pointer;
}
.mf-item input { accent-color: var(--brand); }
.mf-clear {
  margin-top: 8px; width: 100%; padding: 6px;
  background: transparent; border: 1px solid var(--line);
  border-radius: 6px; font-size: 12px; color: var(--ink-3);
  cursor: pointer;
}
.mf-clear:hover { color: var(--brand); border-color: var(--brand); }

/* patient mode modal */
.patient-mode-box { max-width: 440px; width: 90%; }
.pm-close {
  position: absolute; top: 16px; right: 16px;
  background: none; border: none; font-size: 20px;
  color: var(--ink-3); cursor: pointer; padding: 4px;
  line-height: 1;
}
.pm-close:hover { color: var(--ink-1); }
.pm-title {
  font-size: 22px; font-weight: 800; color: var(--ink-1);
  margin: 0 0 4px;
}
.pm-sub { color: var(--ink-2); margin: 0 0 20px; font-size: 14px; }
.pm-options { display: flex; flex-direction: column; gap: 10px; }
.pm-option {
  display: flex; align-items: center; gap: 14px;
  width: 100%; padding: 16px;
  background: #fff; border: 2px solid var(--line);
  border-radius: var(--radius-l); cursor: pointer;
  text-align: left; transition: all 0.15s;
  color: var(--ink-1);
}
.pm-option:hover:not(.pm-locked):not(:disabled) {
  border-color: var(--brand);
  background: var(--brand-bg, #f3f0ff);
}
.pm-option:disabled { cursor: not-allowed; }
.pm-opt-icon { font-size: 28px; flex-shrink: 0; }
.pm-opt-body { flex: 1; }
.pm-opt-title { font-size: 16px; font-weight: 700; margin-bottom: 2px; }
.pm-opt-desc { font-size: 13px; color: var(--ink-3); }
.pm-opt-arrow { font-size: 18px; color: var(--ink-3); }
.pm-opt-lock {
  font-size: 12px; color: var(--brand);
  background: var(--brand-bg, #f3f0ff);
  padding: 4px 10px; border-radius: 999px;
  white-space: nowrap;
}
.pm-locked { opacity: 0.7; }
.pm-locked .pm-opt-arrow { display: none; }
.pm-footer {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 20px; padding-top: 16px;
  border-top: 1px solid var(--line);
}
.pm-lang {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--ink-2);
}
.pm-lang select {
  padding: 6px 10px; border: 1px solid var(--line);
  border-radius: 8px; font-size: 13px; background: #fff;
  color: var(--ink-1); cursor: pointer;
}
.pm-actions { display: flex; gap: 8px; }
.pm-link-btn {
  background: transparent; border: 1px solid var(--line);
  border-radius: 8px; padding: 6px 12px;
  font-size: 13px; color: var(--ink-2); cursor: pointer;
  transition: all 0.15s;
}
.pm-link-btn:hover { color: var(--brand); border-color: var(--brand); }

/* Dark mode updates for new elements */
body.theme-dark .insight-card { background: var(--card-bg-dark, #20203a); border-color: var(--line); }
body.theme-dark .more-filters-panel { background: #20203a; border-color: var(--line); }
body.theme-dark .pm-option { background: #20203a; border-color: var(--line); color: var(--ink-1); }
body.theme-dark .pm-option:hover:not(.pm-locked):not(:disabled) {
  background: var(--brand-bg-dark, #2a2550); border-color: var(--brand);
}
body.theme-dark .pm-lang select { background: #20203a; color: var(--ink-1); border-color: var(--line); }
body.theme-dark .delta-up { color: #4ade80; }

/* ============================================================
 * Settings 视图
 * ============================================================ */
.settings-tabs {
  display: flex; gap: 4px; border-bottom: 1px solid var(--line);
  margin: 16px 0 28px;
}
.settings-tab {
  padding: 10px 18px; font-size: 14px;
  color: var(--ink-2); font-weight: 500;
  cursor: pointer; border: none; background: transparent;
  position: relative; transition: color 0.15s;
}
.settings-tab:hover { color: var(--ink-1); }
.settings-tab.active { color: var(--primary-dark); font-weight: 700; }
.settings-tab.active::after {
  content: ""; position: absolute;
  left: 12px; right: 12px; bottom: -1px;
  height: 2px; background: var(--primary);
  border-radius: 1px;
}

.settings-panel {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l); padding: 28px;
  max-width: 880px;
}
.settings-section-title { font-size: 16px; font-weight: 700; color: var(--ink-1); margin: 0 0 18px; }
.form-row { display: flex; gap: 18px; margin-bottom: 18px; flex-wrap: wrap; }
.form-field { display: flex; flex-direction: column; flex: 1; min-width: 180px; }
.form-field-wide { flex: 1 1 100%; }
.form-field label {
  font-size: 13px; font-weight: 600; color: var(--ink-2);
  margin-bottom: 6px;
}
.form-field .req { color: var(--danger); }
.form-field input, .form-field textarea {
  padding: 10px 14px; border: 1px solid var(--line);
  border-radius: 8px; font-size: 14px; outline: none;
  background: #fff; color: var(--ink-1);
  transition: border 0.15s, box-shadow 0.15s;
  font-family: inherit;
}
.form-field input:focus, .form-field textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(109, 76, 240, 0.08);
}
.form-field textarea { min-height: 80px; resize: vertical; }
.form-field-avatar { max-width: 140px; }
.avatar-preview {
  width: 80px; height: 80px; border-radius: 50%;
  background: linear-gradient(135deg, #2ecc71, #16a39a);
  display: grid; place-items: center; font-size: 36px;
}
.settings-actions { margin-top: 18px; display: flex; gap: 10px; }
.btn-small { padding: 6px 14px; font-size: 13px; }

.settings-card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 18px 20px;
  margin-bottom: 16px;
}
.settings-card h4 {
  font-size: 15px; font-weight: 700; color: var(--ink-1);
  margin: 0 0 8px;
}
.settings-card p { font-size: 13px; color: var(--ink-2); margin: 0 0 12px; }

.settings-toggle-row {
  display: flex; align-items: flex-start; justify-content: space-between;
  padding: 12px 0; border-bottom: 1px solid var(--line);
}
.settings-toggle-row:last-child { border-bottom: none; }
.settings-toggle-info strong { font-size: 14px; color: var(--ink-1); display: block; margin-bottom: 2px; }
.settings-toggle-info p { font-size: 12px; color: var(--ink-3); margin: 0; }

.settings-toggle {
  position: relative; display: inline-block; width: 44px; height: 24px;
  flex-shrink: 0; margin-left: 12px;
}
.settings-toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; cursor: pointer; inset: 0;
  background: var(--line-strong); border-radius: 24px;
  transition: 0.2s;
}
.toggle-slider::before {
  content: ""; position: absolute; height: 18px; width: 18px;
  left: 3px; bottom: 3px; background: #fff;
  border-radius: 50%; transition: 0.2s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.settings-toggle input:checked + .toggle-slider { background: var(--primary); }
.settings-toggle input:checked + .toggle-slider::before { transform: translateX(20px); }

.settings-form-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 0;
}
.settings-form-row label { font-size: 14px; color: var(--ink-1); font-weight: 500; }
.settings-form-row select {
  padding: 8px 12px; border: 1px solid var(--line);
  border-radius: 8px; background: #fff; color: var(--ink-1);
  outline: none; font-size: 14px;
}

.settings-avatar-upload {
  display: flex; align-items: center; gap: 16px;
  padding: 16px; background: var(--bg-soft);
  border: 1px solid var(--line); border-radius: var(--radius-m);
  margin-bottom: 18px;
}
.settings-avatar-upload .avatar-preview {
  width: 64px; height: 64px; font-size: 28px;
}
.settings-avatar-info span { font-weight: 600; color: var(--ink-1); display: block; }
.settings-avatar-info p { font-size: 12px; color: var(--ink-3); margin: 2px 0 0; }

.settings-danger {
  border-color: #f5c2c2; background: #fef2f2;
}
.settings-danger h4 { color: var(--danger); }
.settings-danger p { color: #9b3c3c; }
.btn-danger-outline {
  background: transparent; color: var(--danger);
  border: 1px solid var(--danger); padding: 10px 24px;
  border-radius: 999px; font-weight: 700; font-size: 14px;
  transition: all 0.15s; cursor: pointer;
}
.btn-danger-outline:hover { background: var(--danger); color: #fff; }

.billing-payment {
  display: flex; align-items: center; gap: 14px;
  padding: 14px; background: #fff;
  border: 1px solid var(--line); border-radius: 10px;
}
.payment-icon { font-size: 28px; }
.payment-info { flex: 1; display: flex; flex-direction: column; }
.payment-info strong { color: var(--ink-1); font-size: 14px; }
.payment-info span { color: var(--ink-3); font-size: 12px; }

.billing-table {
  width: 100%; border-collapse: collapse;
  margin-top: 8px;
}
.billing-table th {
  text-align: left; font-size: 12px; font-weight: 700;
  color: var(--ink-3); text-transform: uppercase;
  padding: 10px 12px; border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
}
.billing-table td {
  padding: 12px; font-size: 13px; color: var(--ink-2);
  border-bottom: 1px solid var(--line);
}
.billing-table tr:last-child td { border-bottom: none; }

.badge-success {
  display: inline-block; padding: 2px 10px;
  border-radius: 999px; font-size: 12px; font-weight: 700;
  background: var(--accent-soft); color: #0f5b54;
}
.badge-current {
  display: inline-block; padding: 2px 10px;
  border-radius: 999px; font-size: 12px; font-weight: 700;
  background: var(--primary-soft); color: var(--primary-dark);
}

.session-list { display: flex; flex-direction: column; gap: 10px; }
.session-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px; background: #fff;
  border: 1px solid var(--line); border-radius: 10px;
}
.session-info strong { font-size: 14px; color: var(--ink-1); display: block; }
.session-info span { font-size: 12px; color: var(--ink-3); }

.institution-list { display: flex; flex-direction: column; gap: 8px; margin: 8px 0 12px; }
.institution-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; background: #fff;
  border: 1px solid var(--line); border-radius: 8px;
}
.inst-icon { font-size: 18px; }
.inst-name { flex: 1; font-size: 14px; color: var(--ink-1); }
.inst-remove {
  background: transparent; border: none; color: var(--danger);
  font-size: 18px; cursor: pointer; padding: 4px 8px;
  border-radius: 4px; transition: background 0.15s;
}
.inst-remove:hover { background: #fde2e2; }

/* ============================================================
 * Tutor 视图 - 三栏布局
 * ============================================================ */
.tutor-layout {
  display: grid;
  grid-template-columns: 260px 1fr 280px;
  gap: 16px;
  height: calc(100vh - 180px);
  min-height: 560px;
}
@media (max-width: 1100px) {
  .tutor-layout { grid-template-columns: 220px 1fr; }
  .tutor-resources { display: none; }
}
@media (max-width: 760px) {
  .tutor-layout { grid-template-columns: 1fr; height: auto; }
  .tutor-sessions { max-height: 200px; }
}

.tutor-sessions {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.tutor-sessions-head {
  padding: 14px 16px; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between;
}
.tutor-sessions-head h3 {
  font-size: 14px; font-weight: 700; color: var(--ink-1); margin: 0;
}
.tutor-sessions-list {
  flex: 1; overflow-y: auto;
  padding: 10px;
}
.tutor-empty {
  text-align: center; padding: 40px 20px;
  color: var(--ink-3);
}
.tutor-empty .empty-art { font-size: 40px; margin-bottom: 10px; }
.tutor-empty p { font-size: 14px; margin: 0 0 4px; color: var(--ink-2); }
.tutor-empty .empty-sub { font-size: 12px; color: var(--ink-3); }

/* 导师笔记视图（真实数据） */
.tutor-note-summary {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 12px 14px; margin-bottom: 14px;
  background: var(--primary-soft); border-radius: 10px;
}
.tutor-note-count { font-size: 13px; color: var(--ink-1); font-weight: 500; }
.tutor-secondary-btn {
  border: 1px solid var(--primary); background: #fff;
  color: var(--primary-dark); font-size: 13px;
  padding: 6px 12px; border-radius: 999px; cursor: pointer;
  font-weight: 500;
}
.tutor-secondary-btn:hover { background: var(--primary); color: #fff; }
.tutor-note-list {
  display: flex; flex-direction: column; gap: 12px;
  max-height: 480px; overflow-y: auto;
}
.tutor-note-item {
  background: #fff; border: 1px solid var(--line);
  border-radius: 10px; padding: 12px 14px;
  transition: border-color .15s, box-shadow .15s;
}
.tutor-note-item:hover { border-color: var(--primary); }
.tutor-note-head {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 10px;
}
.tutor-note-cat {
  font-size: 11px; padding: 2px 8px; border-radius: 999px;
  background: var(--primary-soft); color: var(--primary-dark);
}
.tutor-note-title { font-size: 14px; font-weight: 600; color: var(--ink-1); flex: 1; min-width: 0; }
.tutor-note-time { font-size: 12px; color: var(--ink-3); margin-left: auto; }
.tutor-note-body {
  font-size: 13px; color: var(--ink-2); line-height: 1.7;
  margin-top: 6px; display: -webkit-box; -webkit-line-clamp: 3;
  -webkit-box-orient: vertical; overflow: hidden;
}
.tutor-note-foot { margin-top: 8px; text-align: right; }
.tutor-link-btn {
  border: none; background: none; font-size: 13px;
  color: var(--primary-dark); cursor: pointer; font-weight: 500;
}
.tutor-link-btn:hover { text-decoration: underline; }

.tutor-session-item {
  padding: 12px; border-radius: 10px; cursor: pointer;
  margin-bottom: 6px; transition: all 0.15s;
  border: 1px solid transparent;
  display: flex; align-items: flex-start; gap: 6px;
}
.tutor-session-item:hover {
  background: var(--bg-soft);
}
.tutor-session-item.active {
  background: var(--primary-soft); border-color: var(--primary-soft);
}
.tutor-session-main { flex: 1 1 auto; min-width: 0; }
.tutor-session-title {
  font-size: 13px; font-weight: 600; color: var(--ink-1);
  margin-bottom: 4px; white-space: nowrap; overflow: hidden;
  text-overflow: ellipsis;
}
.tutor-session-meta {
  font-size: 11px; color: var(--ink-3);
}
.tutor-session-del {
  flex: 0 0 auto; border: none; background: transparent;
  font-size: 13px; line-height: 1; cursor: pointer;
  color: var(--ink-3); padding: 4px 6px; border-radius: 6px;
  opacity: 0; transition: opacity .15s, color .15s, background .15s;
}
.tutor-session-item:hover .tutor-session-del { opacity: 1; }
.tutor-session-del:hover { color: #c44545; background: rgba(196, 69, 69, 0.08); }
.tutor-session-del:focus-visible { opacity: 1; color: #c44545; }
@media (hover: none) { .tutor-session-del { opacity: 1; } }
body.theme-dark .tutor-session-del:hover { background: rgba(196, 69, 69, 0.15); }

.tutor-chat {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.tutor-chat-head {
  padding: 12px 18px; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 12px;
}
.tutor-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, #2C5F3E, #1F4530);
  display: grid; place-items: center; font-size: 20px;
  flex-shrink: 0;
}
.tutor-head-info { display: flex; flex-direction: column; }
.tutor-head-info strong { font-size: 14px; color: var(--ink-1); }
.tutor-head-info span { font-size: 12px; color: var(--accent); }

.tutor-chat-stream {
  flex: 1; overflow-y: auto;
  padding: 20px; display: flex; flex-direction: column; gap: 16px;
  background: linear-gradient(180deg, #fafaff 0%, #f3f3f8 100%);
}

.tutor-welcome {
  max-width: 480px; margin: 40px auto;
  text-align: center;
}
.tutor-welcome-icon { font-size: 48px; margin-bottom: 16px; }
.tutor-welcome h3 {
  font-size: 20px; font-weight: 700; color: var(--ink-1);
  margin: 0 0 12px;
}
.tutor-welcome p { color: var(--ink-2); margin: 0 0 8px; font-size: 14px; }
.tutor-welcome ul {
  list-style: none; padding: 0; margin: 16px auto;
  display: flex; flex-direction: column; gap: 8px; max-width: 300px;
}
.tutor-welcome li {
  padding: 10px 14px; background: var(--bg-soft);
  border-radius: 10px; font-size: 13px; color: var(--ink-2);
  text-align: left;
}

.tutor-msg-row {
  display: flex; gap: 10px; align-items: flex-end;
  max-width: 100%;
}
.tutor-msg-row.student { flex-direction: row-reverse; }
.tutor-msg-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  flex-shrink: 0; display: grid; place-items: center;
  font-size: 16px; font-weight: 700; color: #fff;
}
.tutor-msg-avatar.student-av {
  background: linear-gradient(135deg, #2C5F3E, #1F4530);
}
.msg-avatar.tutor-av {
  background: linear-gradient(135deg, #16a39a, #0f7a72);
}
.tutor-msg-content {
  display: flex; flex-direction: column; gap: 3px;
  max-width: 72%;
}
.tutor-msg-row.student .tutor-msg-content { align-items: flex-end; }
.tutor-msg-row.tutor .tutor-msg-content { align-items: flex-start; }
.tutor-msg-name { font-size: 11px; color: var(--ink-3); font-weight: 500; padding: 0 4px; }
.tutor-bubble {
  padding: 10px 14px; border-radius: 14px;
  font-size: 14px; line-height: 1.6;
  box-shadow: var(--shadow-sm); word-wrap: break-word;
  white-space: pre-wrap;
}
.tutor-bubble strong { font-weight: 700; color: inherit; }
.tutor-msg-row.student .tutor-bubble {
  background: var(--primary); color: #fff;
  border-bottom-right-radius: 4px;
}
.tutor-msg-row.tutor .tutor-bubble {
  background: #fff; color: var(--ink-1);
  border: 1px solid var(--line);
  border-bottom-left-radius: 4px;
}
.tutor-msg-row.tutor .tutor-bubble .who {
  display: block; font-size: 11px; color: var(--ink-3);
  margin-bottom: 3px;
}

.tutor-chat-input {
  display: flex; border-top: 1px solid var(--line);
  padding: 12px; gap: 10px; background: #fff;
}
.tutor-chat-input input {
  flex: 1; padding: 12px 16px;
  border: 1px solid var(--line); border-radius: 12px;
  background: var(--bg-soft); outline: none; font-size: 14px;
}
.tutor-chat-input input:focus {
  border-color: var(--primary); background: #fff;
}
.tutor-voice-btn {
  width: 44px; height: 44px; border: 1px solid var(--line);
  background: #fff; border-radius: 12px;
  font-size: 18px; cursor: pointer;
  transition: all 0.15s;
  display: grid; place-items: center;
}
.tutor-voice-btn:hover { border-color: var(--primary); }
.tutor-send-btn {
  width: 44px; height: 44px; border: none;
  background: var(--primary); color: #fff;
  border-radius: 12px; display: grid; place-items: center;
  cursor: pointer; transition: all 0.15s;
}
.tutor-send-btn:hover { background: var(--primary-dark); }

.tutor-resources {
  background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.tutor-res-tabs {
  display: flex; border-bottom: 1px solid var(--line);
}
.tutor-res-tab {
  flex: 1; padding: 12px; background: transparent;
  border: none; font-size: 13px; font-weight: 600;
  color: var(--ink-3); cursor: pointer;
  transition: color 0.15s;
  border-bottom: 2px solid transparent;
}
.tutor-res-tab:hover { color: var(--ink-1); }
.tutor-res-tab.active {
  color: var(--primary-dark);
  border-bottom-color: var(--primary);
}
.tutor-res-search {
  padding: 10px 14px; border-bottom: 1px solid var(--line);
  position: relative;
}
.tutor-res-search .search-icon {
  position: absolute; left: 26px; top: 50%;
  transform: translateY(-50%); color: var(--ink-3); font-size: 13px;
}
.tutor-res-search input {
  width: 100%; padding: 8px 12px 8px 32px;
  border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg-soft); outline: none; font-size: 13px;
}
.tutor-res-search input:focus { border-color: var(--primary); background: #fff; }
.tutor-res-content {
  flex: 1; overflow-y: auto; padding: 16px;
}

/* ============================================================
 * Footer
 * ============================================================ */
.site-footer {
  margin-left: var(--sidebar-w);
  background: #fff; border-top: 1px solid var(--line);
  padding: 22px 24px;
  transition: margin-left 0.25s;
}
.sidebar.collapsed ~ .main ~ .site-footer { margin-left: 0; }
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; flex-wrap: wrap;
  max-width: 1280px;
}
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-links a {
  font-size: 13px; color: var(--ink-2); font-weight: 500;
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--primary-dark); }
.footer-meta { font-size: 12px; color: var(--ink-3); flex: 0 1 auto; margin-left: auto; text-align: right; min-width: 200px; }
.lang-btn {
  background: transparent; border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 14px;
  font-size: 13px; color: var(--ink-2); cursor: pointer;
  transition: all 0.15s;
}
.lang-btn:hover { border-color: var(--primary); color: var(--primary-dark); }

/* ============================================================
 * 暗色模式：新增组件
 * ============================================================ */
body.theme-dark .info-banner { box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3); }
body.theme-dark .home-card,
body.theme-dark .continue-card,
body.theme-dark .shortcut-card,
body.theme-dark .home-side,
body.theme-dark .perf-stat,
body.theme-dark .lib-card,
body.theme-dark .perf-table,
body.theme-dark .settings-panel,
body.theme-dark .pin-card,
body.theme-dark .recent-empty,
body.theme-dark .user-dropdown { background: var(--bg-card); }
body.theme-dark .hm-cell { background: #20203a; }
body.theme-dark .hm-cell.l1 { background: #1a2e22; }
body.theme-dark .hm-cell.l2 { background: #24402e; }
body.theme-dark .hm-cell.l3 { background: #2f5538; }
body.theme-dark .hm-cell.l4 { background: #2C5F3E; }
body.theme-dark .hm-cell.l5 { background: #4A7D5C; }
body.theme-dark .form-field input,
body.theme-dark .form-field textarea,
body.theme-dark .pin-box { background: #20203a; color: var(--ink-1); border-color: var(--line); }
body.theme-dark .perf-table th { background: #20203a; color: var(--ink-3); }
body.theme-dark .site-footer { background: #16162a; }
body.theme-dark .user-trigger { background: transparent; border-color: var(--line); }
body.theme-dark .nav-item.nav-disabled { opacity: 0.4; }
body.theme-dark .range-pill { background: #20203a; }
body.theme-dark .sc-edit { background: transparent; }

body.theme-dark .settings-card { background: #20203a; border-color: var(--line); }
body.theme-dark .settings-danger { background: rgba(225,90,90,0.1); border-color: rgba(225,90,90,0.3); }
body.theme-dark .settings-danger h4 { color: #ff7373; }
body.theme-dark .settings-danger p { color: #fca5a5; }
body.theme-dark .settings-form-row select,
body.theme-dark .billing-payment,
body.theme-dark .session-item,
body.theme-dark .institution-item { background: #20203a; color: var(--ink-1); border-color: var(--line); }
body.theme-dark .toggle-slider { background: #3a3a52; }
body.theme-dark .billing-table th { background: #20203a; }
body.theme-dark .settings-avatar-upload { background: #20203a; border-color: var(--line); }

body.theme-dark .tutor-sessions,
body.theme-dark .tutor-chat,
body.theme-dark .tutor-resources { background: var(--bg-card); border-color: var(--line); }
body.theme-dark .tutor-sessions-head,
body.theme-dark .tutor-chat-head,
body.theme-dark .tutor-res-tabs,
body.theme-dark .tutor-res-search { border-color: var(--line); }
body.theme-dark .tutor-chat-stream { background: linear-gradient(180deg, #14142a 0%, #0f0f1a 100%); }
body.theme-dark .tutor-msg-row.tutor .tutor-bubble { background: #20203a; border-color: var(--line); }
body.theme-dark .tutor-chat-input,
body.theme-dark .tutor-res-search input { background: #20203a; border-color: var(--line); color: var(--ink-1); }
body.theme-dark .tutor-chat-input input { background: #20203a; color: var(--ink-1); }
body.theme-dark .tutor-chat-input input:focus { background: #2a2a3e; }
body.theme-dark .tutor-voice-btn { background: #20203a; border-color: var(--line); color: var(--ink-1); }
body.theme-dark .tutor-welcome li { background: #20203a; }
body.theme-dark .tutor-session-item:hover { background: #20203a; }
body.theme-dark .tutor-session-item.active { background: rgba(44,95,62,0.2); }
body.theme-dark .tutor-res-search input { background: #20203a; }
body.theme-dark .badge-success { background: rgba(22,163,154,0.2); color: #37c0a8; }
body.theme-dark .badge-current { background: rgba(44,95,62,0.2); color: #7eb08a; }

/* ============================================================
 * Flashcards 列表视图
 * ============================================================ */
.view-flashcards { padding: 24px 32px; max-width: 1200px; margin: 0 auto; }

.fc-header h1 { font-size: 36px; margin: 0 0 8px; color: var(--ink); }
.fc-subtitle { color: var(--ink-soft); margin: 0 0 24px; font-size: 14px; }

.fc-toolbar { display: flex; gap: 12px; align-items: center; margin-bottom: 20px; }
.fc-search { position: relative; flex: 1; max-width: 420px; }
.fc-search input { width: 100%; padding: 10px 12px 10px 36px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-card); color: var(--ink); font-size: 14px; }
.fc-search input:focus { outline: 2px solid var(--brand); outline-offset: 1px; }
.fc-search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--ink-soft); }
.fc-create { background: var(--brand); color: #fff; border: 0; padding: 10px 20px; border-radius: 10px; font-weight: 600; cursor: pointer; }
.fc-create:hover { background: #5a3ee0; }

.fc-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 24px; }
.fc-tab { padding: 10px 18px; color: var(--ink-soft); text-decoration: none; font-size: 14px; font-weight: 500; border-bottom: 2px solid transparent; }
.fc-tab:hover { color: var(--ink); }
.fc-tab.active { color: var(--brand); border-bottom-color: var(--brand); }

.fc-deck-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; }

/* 「继续上次学习」横幅：占满一整行 */
.fc-resume-banner {
  grid-column: 1 / -1;
  display: flex; align-items: center; gap: 14px;
  background: linear-gradient(90deg, var(--primary-soft), rgba(255,255,255,0.6));
  border: 1px solid var(--primary-soft);
  border-radius: 14px; padding: 14px 18px;
  cursor: pointer; transition: border-color .15s, box-shadow .15s;
}
.fc-resume-banner:hover { border-color: var(--primary); box-shadow: 0 6px 18px rgba(109, 76, 240, 0.12); }
.fc-resume-icon {
  flex: 0 0 42px; width: 42px; height: 42px; border-radius: 12px;
  background: #fff; display: grid; place-items: center; font-size: 22px;
  box-shadow: var(--shadow-sm);
}
.fc-resume-body { flex: 1 1 auto; min-width: 0; }
.fc-resume-title { font-size: 14px; font-weight: 700; color: var(--ink-1); }
.fc-resume-sub { font-size: 12px; color: var(--ink-3); margin-top: 2px; }
.fc-resume-btn {
  flex: 0 0 auto; border: none; cursor: pointer;
  background: var(--primary); color: #fff;
  font-size: 13px; font-weight: 600;
  padding: 8px 18px; border-radius: 999px;
}
.fc-resume-banner:hover .fc-resume-btn { background: var(--primary-dark); }
body.theme-dark .fc-resume-banner {
  background: linear-gradient(90deg, rgba(120,140,200,0.18), rgba(30,36,50,0.6));
  border-color: rgba(120,140,200,0.3);
}
body.theme-dark .fc-resume-icon { background: #2a3140; }
body.theme-dark .fc-resume-title { color: #e6e9f0; }
body.theme-dark .fc-resume-sub { color: #aab; }

.fc-deck-card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; transition: all 0.2s; cursor: pointer; position: relative; }
.fc-deck-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(108, 79, 255, 0.12); border-color: var(--brand); }
.fc-deck-icon { font-size: 36px; margin-bottom: 12px; }
.fc-deck-name { font-size: 17px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.fc-deck-desc { color: var(--ink-soft); font-size: 13px; line-height: 1.5; min-height: 40px; margin-bottom: 14px; }
.fc-deck-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; font-size: 12px; }
.fc-deck-tag { background: #d6f5e1; color: #1a8c5a; padding: 2px 10px; border-radius: 999px; font-weight: 600; }
.fc-deck-stat { color: var(--ink-soft); }
.fc-deck-progress-bar { height: 6px; background: var(--line); border-radius: 3px; overflow: hidden; margin-bottom: 6px; }
.fc-deck-progress-fill { height: 100%; background: var(--brand); border-radius: 3px; transition: width 0.3s; }
.fc-deck-foot { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-soft); }
.fc-share-deck, .qz-share-deck { border: 0; padding: 0; background: transparent; color: var(--brand); font: inherit; font-weight: 700; cursor: pointer; }
.fc-share-deck:hover, .qz-share-deck:hover { text-decoration: underline; }

body.theme-dark .fc-deck-tag { background: rgba(55, 192, 168, 0.15); color: #37c0a8; }

/* ============================================================
 * Flashcards 学习视图
 * ============================================================ */
.view-flashcards-study { padding: 0; }

.fc-study-banner { background: #ede7ff; color: var(--ink); padding: 10px 32px; display: flex; align-items: center; gap: 10px; font-size: 14px; position: relative; }
.fc-new-tag { background: var(--brand); color: #fff; padding: 2px 10px; border-radius: 6px; font-size: 12px; font-weight: 600; }
.fc-feedback-link { color: var(--brand); text-decoration: underline; margin-left: 4px; }
.fc-banner-close { position: absolute; right: 24px; top: 50%; transform: translateY(-50%); background: transparent; border: 0; font-size: 20px; color: var(--ink-soft); cursor: pointer; padding: 4px 10px; border-radius: 6px; }
.fc-banner-close:hover { background: rgba(0, 0, 0, 0.05); }

.fc-study-header { padding: 18px 32px; display: flex; justify-content: space-between; align-items: center; }
.fc-study-crumb { display: flex; align-items: center; gap: 8px; }
.fc-crumb-link { color: var(--ink); text-decoration: none; font-weight: 600; font-size: 15px; }
.fc-crumb-link:hover { color: var(--brand); }
.fc-crumb-sep { color: var(--ink-soft); }
.fc-crumb-current { color: var(--ink-soft); font-size: 15px; }
.fc-leave { background: var(--card); color: var(--ink); border: 1px solid var(--line); padding: 8px 16px; border-radius: 8px; font-size: 13px; cursor: pointer; }
.fc-leave:hover { background: var(--line); }

.fc-study-body { display: grid; grid-template-columns: 1fr 280px; gap: 32px; padding: 0 32px 32px; }
.fc-card-wrap { display: flex; align-items: center; gap: 12px; min-height: 420px; }
.fc-nav-arrow { background: var(--card); border: 1px solid var(--line); width: 44px; height: 44px; border-radius: 50%; cursor: pointer; font-size: 20px; color: var(--ink); flex-shrink: 0; }
.fc-nav-arrow:hover { background: var(--brand); color: #fff; border-color: var(--brand); }
.fc-prev { transform: rotate(180deg); }

.fc-card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; flex: 1; padding: 32px; min-height: 380px; display: flex; flex-direction: column; box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04); position: relative; cursor: pointer; }
.fc-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.fc-mode-tag { background: #e0e0ff; color: var(--brand); padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 500; }
.fc-bookmark { background: transparent; border: 0; color: var(--ink-soft); cursor: pointer; font-size: 13px; display: flex; align-items: center; gap: 4px; }
.fc-bookmark:hover { color: var(--brand); }
.fc-bookmark.active { color: #f5a623; }

.fc-card-body { flex: 1; display: flex; align-items: center; justify-content: center; font-size: 20px; line-height: 1.6; color: var(--ink); padding: 20px; min-height: 200px; text-align: center; }
.fc-card-body.fc-back { flex-direction: column; align-items: stretch; padding: 0; text-align: left; }
.fc-answer { font-size: 17px; line-height: 1.7; color: var(--ink); margin-bottom: 16px; white-space: pre-line; overflow-y: auto; max-height: 40vh; }
.fc-answer b { color: var(--brand); font-weight: 700; }
.fc-notes { background: var(--bg-soft); border-radius: 10px; padding: 16px; font-size: 14px; color: var(--ink-soft); line-height: 1.6; }
.fc-notes-label { font-weight: 700; color: var(--ink); margin-bottom: 6px; font-size: 12px; letter-spacing: 0.5px; }

.fc-card-foot { display: flex; justify-content: space-between; margin-top: 24px; font-size: 12px; color: var(--ink-soft); padding-top: 16px; border-top: 1px solid var(--line); }

.fc-actions { grid-column: 1; display: flex; align-items: center; gap: 24px; padding: 0 64px; margin-top: -8px; }
.fc-action-link { color: var(--ink-soft); text-decoration: none; font-size: 14px; }
.fc-action-link:hover { color: var(--brand); }
.fc-btn { padding: 10px 24px; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer; border: 0; }
.fc-btn-primary { background: var(--brand); color: #fff; }
.fc-btn-primary:hover { background: #5a3ee0; }
.fc-btn-right { background: #1a8c5a; color: #fff; }
.fc-btn-right:hover { background: #146c44; }
.fc-btn-wrong { background: #e54e4e; color: #fff; }
.fc-btn-wrong:hover { background: #c93030; }

.fc-navigator { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px; height: fit-content; }
.fc-nav-title { font-size: 12px; font-weight: 700; color: var(--ink-soft); letter-spacing: 1px; margin-bottom: 16px; }
.fc-nav-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; max-height: 340px; overflow-y: auto; }
.fc-nav-cell { aspect-ratio: 1; display: flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 6px; font-size: 13px; cursor: pointer; background: var(--bg-card); color: var(--ink); }
.fc-nav-cell:hover { border-color: var(--brand); }
.fc-nav-cell.current { border-color: var(--brand); border-width: 2px; font-weight: 700; }
.fc-nav-cell.correct { background: #d6f5e1; color: #1a8c5a; border-color: #1a8c5a; }
.fc-nav-cell.wrong { background: #ffe2e2; color: #c93030; border-color: #c93030; }
.fc-progress { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--line); }
.fc-progress-label { font-size: 12px; font-weight: 700; color: var(--ink-soft); letter-spacing: 1px; margin-bottom: 10px; }
.fc-progress-row { display: flex; justify-content: space-between; font-size: 13px; color: var(--ink-soft); margin-bottom: 8px; }
.fc-progress-bar { height: 6px; background: var(--line); border-radius: 3px; overflow: hidden; }
.fc-progress-fill { height: 100%; background: var(--brand); width: 0%; transition: width 0.3s; }

body.theme-dark .fc-mode-tag { background: rgba(108, 79, 255, 0.2); }
body.theme-dark .fc-nav-cell.correct { background: rgba(55, 192, 168, 0.2); color: #37c0a8; }
body.theme-dark .fc-nav-cell.wrong { background: rgba(229, 78, 78, 0.2); color: #ff7373; }
body.theme-dark .fc-study-banner { background: rgba(108, 79, 255, 0.15); }

/* ============================================================
 * Quick start 弹窗
 * ============================================================ */
.fc-modal { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; }
.fc-modal-backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.5); }
.fc-modal-content { position: relative; background: var(--bg-card); border-radius: 16px; width: 560px; max-width: 90vw; padding: 28px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2); }
.fc-modal-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 20px; }
.fc-modal-head h2 { margin: 0; font-size: 22px; color: var(--ink); }
.fc-modal-sub { margin: 4px 0 0; color: var(--ink-soft); font-size: 13px; }
.fc-modal-close { background: transparent; border: 0; font-size: 24px; color: var(--ink-soft); cursor: pointer; padding: 0 8px; line-height: 1; }
.fc-modal-close:hover { color: var(--ink); }

.fc-modal-action { display: flex; align-items: center; gap: 16px; width: 100%; padding: 16px 20px; background: var(--card); border: 1px solid var(--line); border-radius: 10px; margin-bottom: 12px; cursor: pointer; text-align: left; }
.fc-modal-action:hover { border-color: var(--brand); }
.fc-modal-icon { font-size: 24px; }
.fc-modal-text { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.fc-modal-text b { color: var(--ink); font-size: 15px; }
.fc-modal-text span { color: var(--ink-soft); font-size: 13px; }
.fc-modal-arrow { color: var(--ink-soft); font-size: 20px; }

.fc-modal-deck-progress { display: flex; align-items: center; gap: 14px; padding: 16px 20px; background: var(--card); border: 1px solid var(--line); border-radius: 10px; margin-top: 8px; }
.fc-modal-dp-icon { font-size: 32px; }
.fc-modal-dp-body { flex: 1; }
.fc-modal-dp-body b { color: var(--ink); font-size: 15px; display: block; }
.fc-modal-dp-date { color: var(--ink-soft); font-size: 12px; display: block; margin: 2px 0 8px; }
.fc-modal-dp-bar { height: 4px; background: var(--line); border-radius: 2px; overflow: hidden; margin-bottom: 6px; }
.fc-modal-dp-fill { height: 100%; background: var(--brand); width: 0%; }
.fc-modal-dp-stat { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-soft); }
.fc-modal-continue { background: transparent; color: var(--ink); border: 0; cursor: pointer; font-size: 14px; font-weight: 600; padding: 6px 12px; border-radius: 6px; }
.fc-modal-continue:hover { background: var(--line); }

/* 全局 [hidden] 强制 display: none，覆盖任何 display 规则 */
[hidden] { display: none !important; }

/* ============================================================
 * Shortcut 卡片副标题
 * ============================================================ */
.sc-sub { display: block; color: var(--ink-3); font-size: 12px; margin-top: 2px; }

/* ============================================================
 * 通知下拉面板
 * ============================================================ */
.notify-wrap { position: relative; }
.bell { background: transparent; border: 0; cursor: pointer; font-size: 18px; padding: 6px 8px; border-radius: 50%; transition: background 0.15s; }
.bell:hover { background: var(--bg-soft); }
.notify-panel { position: absolute; right: 0; top: 38px; width: 320px; background: var(--bg-card, #fff); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 12px 32px rgba(0,0,0,0.12); z-index: 50; overflow: hidden; }
.notify-empty { padding: 28px 22px; text-align: center; }
.notify-emoji { font-size: 28px; margin-bottom: 8px; }
.notify-title { font-size: 15px; color: var(--ink); margin: 0 0 4px; }
.notify-sub { font-size: 13px; color: var(--ink-3); margin: 0 0 18px; }
.notify-action { display: inline-block; padding: 8px 16px; border-top: 1px solid var(--line); width: 100%; background: transparent; border-left: 0; border-right: 0; border-bottom: 0; cursor: pointer; color: var(--ink); font-size: 14px; font-weight: 600; }
.notify-action:hover { background: var(--bg-soft); }
.notify-list { list-style: none; margin: 0; padding: 8px 0; max-height: 360px; overflow-y: auto; }
.notify-item { padding: 12px 16px; border-bottom: 1px solid var(--bg-soft); cursor: pointer; }
.notify-item:hover { background: var(--bg-soft); }
.notify-item:last-child { border-bottom: 0; }
.notify-item .ni-icon { margin-right: 8px; }
.notify-item .ni-text { color: var(--ink); font-size: 13px; }
.notify-item .ni-time { color: var(--ink-3); font-size: 11px; margin-top: 2px; display: block; }

/* ============================================================
 * 题库网格
 * ============================================================ */
.quiz-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin-top: 18px; }
.qz-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px; transition: all 0.18s; cursor: pointer; position: relative; }
.qz-card:hover { border-color: var(--brand); box-shadow: 0 4px 16px rgba(109,76,240,0.12); transform: translateY(-2px); }
.qz-card.qz-card-disabled { cursor: not-allowed; opacity: 0.7; }
.qz-card.qz-card-disabled:hover { border-color: var(--line); box-shadow: none; transform: none; }
.qz-card .qz-thumb { width: 100%; height: 88px; border-radius: 8px; margin-bottom: 14px; display: flex; align-items: center; justify-content: center; font-size: 36px; }
.qz-card .qz-card-head { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.qz-card .qz-card-tag { font-size: 11px; padding: 2px 8px; border-radius: 4px; background: var(--bg-soft); color: var(--ink-soft); }
.qz-card .qz-card-lock { font-size: 11px; padding: 2px 8px; border-radius: 4px; background: var(--bg-soft); color: var(--ink-3); }
.qz-card .qz-card-lock.qz-lock-badge { background: #fff4e0; color: #b45309; font-weight: 700; }
.qz-card .qz-card-title { font-size: 15px; font-weight: 600; color: var(--ink); margin: 4px 0 6px; line-height: 1.4; }
.qz-card .qz-card-meta { color: var(--ink-3); font-size: 12px; }
.qz-card .qz-card-footer { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.qz-card .qz-card-bar { margin-top: 10px; height: 4px; background: var(--line); border-radius: 2px; overflow: hidden; }
.qz-card .qz-card-fill { height: 100%; background: var(--brand); width: 0%; }

/* ============================================================
 * 题库答题视图
 * ============================================================ */
.qz-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 24px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.qz-head-text .qz-mode-tag { display: inline-block; font-size: 12px; padding: 4px 10px; background: var(--bg-soft); color: var(--ink-soft); border-radius: 999px; margin-bottom: 8px; }
.qz-head-text h2 { font-size: 26px; margin: 4px 0; color: var(--ink); }
.qz-head-text p { color: var(--ink-soft); margin: 0; }
.qz-finish { background: transparent; border: 1px solid var(--line); padding: 10px 18px; border-radius: 8px; cursor: pointer; color: var(--ink); font-weight: 500; }
.qz-finish:hover { background: var(--bg-soft); }
.qz-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 36px 40px; min-height: 280px; display: flex; flex-direction: column; }
.qz-card-body { flex: 1; }
.qz-card-body .qz-q-text { font-size: 19px; color: var(--ink); line-height: 1.6; }
.qz-card-body .qz-options { list-style: none; padding: 0; margin: 24px 0 0; }
.qz-card-body .qz-opt { padding: 14px 18px; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 10px; cursor: pointer; display: flex; align-items: center; gap: 12px; transition: all 0.15s; }
.qz-card-body .qz-opt:hover { border-color: var(--brand); background: var(--bg-soft); }
.qz-card-body .qz-opt.sel { border-color: var(--brand); background: rgba(109,76,240,0.08); }
.qz-card-body .qz-opt.correct { border-color: #16a39a; background: rgba(22,163,154,0.08); color: #117c75; }
.qz-card-body .qz-opt.wrong { border-color: #e15a5a; background: rgba(225,90,90,0.08); color: #b13c3c; }
.qz-card-body .qz-opt-marker { width: 24px; height: 24px; border: 1px solid var(--line); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 13px; color: var(--ink-3); }
.qz-card-body .qz-opt.sel .qz-opt-marker { background: var(--brand); color: #fff; border-color: var(--brand); }
.qz-card-body .qz-opt.correct .qz-opt-marker { background: #16a39a; color: #fff; border-color: #16a39a; }
.qz-card-body .qz-opt.wrong .qz-opt-marker { background: #e15a5a; color: #fff; border-color: #e15a5a; }
.qz-card-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--bg-soft); }
.qz-progress { color: var(--ink-soft); font-size: 13px; }
.qz-result-banner { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 36px 40px; text-align: center; margin-top: 24px; }
.qz-result-banner h3 { font-size: 22px; margin: 0 0 12px; color: var(--ink); }
.qz-result-banner p { color: var(--ink-soft); margin: 0 0 20px; }
.qz-result-banner p b { color: var(--brand); font-size: 20px; }
.qz-result-actions { display: flex; justify-content: center; gap: 12px; }

/* ============================================================
 * Notebook 笔记视图
 * ============================================================ */
.nb-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 18px; }
.nb-tools { display: flex; gap: 18px; align-items: center; margin-bottom: 18px; flex-wrap: wrap; }
.nb-tabs { display: flex; gap: 4px; }
.nb-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.nb-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px; cursor: pointer; transition: all 0.18s; position: relative; }
.nb-card:hover { border-color: var(--brand); box-shadow: 0 4px 16px rgba(109,76,240,0.12); transform: translateY(-2px); }
.nb-card .nb-cat { font-size: 11px; padding: 2px 8px; border-radius: 4px; background: var(--bg-soft); color: var(--ink-soft); display: inline-block; margin-bottom: 8px; }
.nb-card .nb-card-title { font-size: 15px; font-weight: 600; color: var(--ink); margin: 6px 0 8px; line-height: 1.4; }
.nb-card .nb-card-excerpt { color: var(--ink-3); font-size: 13px; line-height: 1.5; max-height: 60px; overflow: hidden; }
.nb-card .nb-card-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--bg-soft); }
.nb-card .nb-card-date { color: var(--ink-3); font-size: 11px; }
.nb-card .nb-card-count { color: var(--ink-3); font-size: 11px; }
.nb-detail { max-width: 760px; margin: 0 auto; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 28px 36px; }
.nb-detail-title { width: 100%; border: 0; outline: none; font-size: 26px; font-weight: 700; color: var(--ink); padding: 6px 0; border-bottom: 2px solid transparent; background: transparent; }
.nb-detail-title:focus { border-bottom-color: var(--brand); }
.nb-detail-meta { display: flex; gap: 14px; align-items: center; margin: 14px 0 18px; padding-bottom: 12px; border-bottom: 1px solid var(--bg-soft); }
.nb-detail-meta select { padding: 6px 10px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg-card, #fff); color: var(--ink); font-size: 13px; }
.nb-detail-date { color: var(--ink-3); font-size: 12px; }
.nb-detail-body { width: 100%; border: 0; outline: none; min-height: 360px; font-size: 15px; line-height: 1.8; color: var(--ink); padding: 8px 0; resize: vertical; background: transparent; font-family: inherit; }
.nb-detail-foot { display: flex; gap: 10px; justify-content: flex-end; margin-top: 14px; padding-top: 16px; border-top: 1px solid var(--bg-soft); }

/* ============================================================
 * 虚拟病人创建 4 步向导
 * ============================================================ */
.pc-steps { display: flex; align-items: center; margin: 16px 0 32px; padding: 0 80px; }
.pc-step { display: flex; flex-direction: column; align-items: center; gap: 8px; flex: 0 0 auto; }
.pc-step-circle { width: 30px; height: 30px; border-radius: 50%; border: 2px solid var(--line); background: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; color: var(--ink-3); font-weight: 600; transition: all 0.2s; }
.pc-step.done .pc-step-circle { border-color: var(--brand); background: var(--brand); color: #fff; }
.pc-step.active .pc-step-circle { border-color: var(--brand); color: var(--brand); box-shadow: 0 0 0 4px rgba(109,76,240,0.18); }
.pc-step-label { font-size: 13px; color: var(--ink-3); }
.pc-step.active .pc-step-label, .pc-step.done .pc-step-label { color: var(--ink); font-weight: 600; }
.pc-line { flex: 1; height: 2px; background: var(--line); margin: 0 12px; align-self: center; transform: translateY(-10px); }
.pc-line.done { background: var(--brand); }
.pc-panel { display: none; }
.pc-panel.active { display: block; }
.pc-form { max-width: 760px; margin: 0 auto; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 32px 40px; }
.pc-form .form-row { display: flex; gap: 18px; margin-bottom: 18px; }
.pc-form .form-field { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.pc-form .form-field-wide { flex: 1 1 100%; }
.pc-form label { font-size: 14px; color: var(--ink); font-weight: 500; }
.pc-form label .req { color: #e15a5a; }
.pc-form input, .pc-form select, .pc-form textarea { padding: 10px 14px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; font-family: inherit; outline: none; transition: border-color 0.15s; background: var(--bg-card, #fff); color: var(--ink); }
.pc-form input:focus, .pc-form select:focus, .pc-form textarea:focus { border-color: var(--brand); }
.pc-form textarea { resize: vertical; min-height: 80px; }
.pc-form .form-hint { color: var(--ink-3); font-size: 12px; }
.pc-icon-row { display: flex; gap: 8px; }
.pc-icon { width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg-card, #fff); font-size: 22px; cursor: pointer; transition: all 0.15s; }
.pc-icon:hover { border-color: var(--brand); }
.pc-icon.active { border-color: var(--brand); background: rgba(109,76,240,0.08); }
.checkbox-row { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.pc-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--bg-soft); }
.pc-foot .pc-step-stat { color: var(--ink-3); font-size: 13px; }
.pc-check-row { display: flex; gap: 12px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--bg-soft); }
.pc-check-row input[type="text"] { flex: 1; }
.pc-check-row input[type="number"] { width: 80px; text-align: center; }
.pc-check-del { background: transparent; border: 0; cursor: pointer; color: #e15a5a; font-size: 16px; padding: 4px 8px; }
.btn-primary { padding: 10px 20px; background: var(--brand); color: #fff; border: 0; border-radius: 8px; cursor: pointer; font-size: 14px; font-weight: 600; transition: background 0.15s; }
.btn-primary:hover { background: #5a3fdb; }
.btn-ghost { padding: 10px 20px; background: transparent; color: var(--ink); border: 1px solid var(--line); border-radius: 8px; cursor: pointer; font-size: 14px; font-weight: 500; transition: all 0.15s; }
.btn-ghost:hover { background: var(--bg-soft); }

body.theme-dark .qz-card, body.theme-dark .nb-card, body.theme-dark .nb-detail, body.theme-dark .pc-form, body.theme-dark .qz-card { background: var(--bg-card, #1f2937); border-color: var(--line); }
body.theme-dark .qz-card-body .qz-opt { border-color: var(--line); }
body.theme-dark .qz-card-body .qz-opt:hover { background: rgba(109,76,240,0.15); }
body.theme-dark .pc-icon.active { background: rgba(109,76,240,0.2); }

/* ============================================================
 * VSP 病例工作室与教学管理
 * ============================================================ */
.pc-eyebrow{display:block;color:#28795e;font-size:10px;font-weight:800;letter-spacing:.14em}.pc-entry{max-width:940px;margin:44px auto 80px}.pc-entry-head{text-align:center;margin-bottom:28px}.pc-entry-head h1,.pc-ai-head h1,.teaching-head h1,.review-head h1{margin:7px 0 8px;color:var(--ink-1);font-size:30px}.pc-entry-head p,.pc-ai-head p,.teaching-head p,.review-head p{margin:0;color:var(--ink-3);line-height:1.6}.pc-method-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.pc-method-card{display:grid;grid-template-columns:58px 1fr 28px;align-items:center;gap:15px;padding:25px;text-align:left;border:1px solid rgba(69,116,98,.18);border-radius:18px;background:rgba(255,255,255,.86);color:var(--ink-1);box-shadow:0 15px 42px rgba(73,90,120,.08);cursor:pointer;transition:.2s}.pc-method-card:hover{transform:translateY(-3px);border-color:#69b898;box-shadow:0 18px 48px rgba(56,120,94,.14)}.pc-method-card>span:nth-child(2){display:grid;gap:6px}.pc-method-card b{font-size:18px}.pc-method-card small{color:var(--ink-3);line-height:1.5}.pc-method-card i{font-style:normal;font-size:22px}.pc-method-icon{display:grid;place-items:center;width:56px;height:56px;border-radius:16px;background:#edf6f1;color:#28795e;font-size:25px}.pc-method-ai{background:linear-gradient(135deg,rgba(247,251,255,.96),rgba(249,245,255,.96))}.pc-method-ai .pc-method-icon{background:#eeeaff;color:#6d4cf0}.pc-ai-generator{max-width:920px;margin:25px auto 70px}.pc-back-link{padding:8px 0;border:0;background:transparent;color:#477161;font:inherit;font-size:13px;cursor:pointer}.pc-ai-head,.teaching-head,.review-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin:22px 0}.pc-ai-badge{padding:8px 12px;border-radius:99px;background:#eeeaff;color:#6548dc;font-size:12px;font-weight:800}.pc-ai-card{padding:24px;border:1px solid rgba(84,111,104,.17);border-radius:18px;background:rgba(255,255,255,.92);box-shadow:0 18px 48px rgba(76,82,125,.09)}.pc-ai-card>label{display:block;margin-bottom:12px;font-size:17px;font-weight:800;color:var(--ink-1)}.pc-ai-card textarea{width:100%;box-sizing:border-box;padding:16px;border:1px solid var(--line);border-radius:13px;background:#fbfbfd;color:var(--ink-1);font:inherit;line-height:1.65;resize:vertical;outline:none}.pc-ai-card textarea:focus{border-color:#7f69df;box-shadow:0 0 0 4px rgba(109,76,240,.09)}.pc-ai-toolbar{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-top:14px}.pc-ai-toolbar>div{display:flex;flex-wrap:wrap;gap:8px}.pc-tool-btn{display:inline-flex;align-items:center;padding:9px 12px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink-2);font:inherit;font-size:12px;cursor:pointer}.pc-tool-btn:hover{background:#f5f7fa}.pc-file-list{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);color:var(--ink-3);font-size:12px}.pc-file-list b{display:inline-block;margin:4px 6px 0 0;padding:5px 8px;border-radius:7px;background:#edf6f1;color:#28795e}.pc-generating{max-width:760px;margin:80px auto;text-align:center}.pc-generating-mark{display:grid;place-items:center;width:132px;height:132px;margin:0 auto 22px;border-radius:50%;background:repeating-linear-gradient(0deg,transparent 0 5px,rgba(86,95,163,.14) 5px 7px),linear-gradient(135deg,#e4f7f0,#eee9ff);color:#5c53a5;font:700 52px/1 serif;animation:pcPulse 2s ease-in-out infinite}.pc-generating h2{font-size:27px;color:var(--ink-1)}.pc-generating p,.pc-generating small{color:var(--ink-3)}.pc-generating-track{height:7px;margin:28px 0 12px;overflow:hidden;border-radius:99px;background:#e9edf1}.pc-generating-track i{display:block;width:4%;height:100%;border-radius:inherit;background:linear-gradient(90deg,#38b88c,#6d70e7,#bb78d8);transition:width .35s}.pc-wizard-toolbar{display:flex;justify-content:space-between;align-items:center;margin:4px 0 8px}.pc-wizard-toolbar>span{padding:6px 10px;border-radius:99px;background:#edf6f1;color:#28795e;font-size:11px;font-weight:800}.pc-mode-config{margin:18px 0;padding:18px;border:1px solid #dce8e3;border-radius:14px;background:#f8fbfa}.pc-mode-heading b,.pc-mode-heading span{display:block}.pc-mode-heading span{margin-top:4px;color:var(--ink-3);font-size:12px}.pc-mode-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0}.pc-mode-grid label{display:grid;grid-template-columns:20px 32px 1fr;align-items:center;padding:12px;border:1px solid var(--line);border-radius:11px;background:#fff;cursor:pointer}.pc-mode-grid label input{grid-row:span 2}.pc-mode-grid label>span{grid-row:span 2;font-size:20px}.pc-mode-grid small{color:var(--ink-3);font-size:10px}.pc-voice-avatar-row{display:flex;align-items:flex-end;gap:9px;flex-wrap:wrap}.pc-voice-avatar-row>label{display:grid;gap:5px}.pc-voice-avatar-row select{min-width:210px}.pc-avatar-selected{padding:9px 0;color:#477161;font-size:11px}.avatar-modal{position:fixed;inset:0;z-index:1000;display:grid;place-items:center}.avatar-modal[hidden]{display:none}.avatar-backdrop{position:absolute;inset:0;background:rgba(24,29,39,.48);backdrop-filter:blur(5px)}.avatar-dialog{position:relative;width:min(820px,calc(100vw - 30px));max-height:86vh;overflow:auto;padding:24px;border-radius:20px;background:#fff;box-shadow:0 30px 90px rgba(30,38,54,.3)}.avatar-dialog-head,.avatar-dialog-foot{display:flex;justify-content:space-between;align-items:center;gap:16px}.avatar-dialog-head h2{margin:0;color:var(--ink-1)}.avatar-dialog-head p{margin:4px 0;color:var(--ink-3);font-size:12px}.avatar-dialog-head>button{border:0;background:transparent;font-size:25px;cursor:pointer}.avatar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:22px 0}.avatar-card{padding:12px;border:1px solid var(--line);border-radius:13px;background:#fafbfc;text-align:center;cursor:pointer}.avatar-card.active{border-color:#5d9f84;box-shadow:0 0 0 3px rgba(70,143,112,.13)}.avatar-face{display:grid;place-items:center;aspect-ratio:1.35;border-radius:10px;background:linear-gradient(145deg,var(--avatar-a),var(--avatar-b));font-size:42px}.avatar-card b,.avatar-card small{display:block;margin-top:7px}.avatar-card small{color:var(--ink-3);font-size:10px}.avatar-dialog-foot{justify-content:flex-end}
.teaching-view{padding-bottom:50px}.teaching-head>div:last-child,.review-head>div:last-child{display:flex;gap:9px}.teaching-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.teaching-stat{padding:18px;border:1px solid rgba(73,116,101,.17);border-radius:15px;background:rgba(255,255,255,.88);box-shadow:0 10px 28px rgba(67,86,112,.05)}.teaching-stat span,.teaching-stat b,.teaching-stat small{display:block}.teaching-stat span{color:var(--ink-3);font-size:12px}.teaching-stat b{margin:8px 0 4px;font-size:28px;color:var(--ink-1)}.teaching-stat small{color:#28795e}.teaching-grid{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(260px,.75fr);gap:16px;margin-top:18px}.teaching-panel{padding:20px;border:1px solid rgba(78,106,99,.16);border-radius:17px;background:rgba(255,255,255,.9)}.teaching-panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:15px}.teaching-panel-head h2{margin:0;color:var(--ink-1);font-size:18px}.teaching-panel-head p{margin:4px 0 0;color:var(--ink-3);font-size:11px}.session-row{display:grid;grid-template-columns:1fr 1.4fr 64px 92px;gap:12px;align-items:center;padding:12px 5px;border-top:1px solid var(--line);font-size:12px}.session-row b{color:var(--ink-1)}.session-score{padding:5px 7px;border-radius:7px;background:#e8f7ef;color:#218055;text-align:center;font-weight:800}.session-review-btn{border:0;border-radius:8px;padding:7px;background:#edf6f1;color:#28795e;font:inherit;font-size:11px;font-weight:800;cursor:pointer}.coverage-item{margin:14px 0}.coverage-item>div{display:flex;justify-content:space-between;color:var(--ink-2);font-size:12px}.coverage-bar{height:7px;margin-top:6px;border-radius:99px;background:#e8eeeb;overflow:hidden}.coverage-bar i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#2f9972,#79bfa5)}.teaching-filters{display:flex;gap:10px;margin:18px 0}.teaching-filters input,.teaching-filters select{padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink-1);font:inherit}.teaching-filters input{flex:1}.teaching-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.9)}.teaching-table{width:100%;border-collapse:collapse;min-width:760px}.teaching-table th,.teaching-table td{padding:13px 14px;border-bottom:1px solid var(--line);text-align:left;font-size:12px}.teaching-table th{background:#f7f9f8;color:var(--ink-3);font-weight:700}.mode-pill,.review-pill{display:inline-block;padding:5px 8px;border-radius:99px;font-size:10px;font-weight:800}.mode-pill{background:#eeeaff;color:#6548dc}.review-pill.done{background:#e7f6ed;color:#258056}.review-pill.pending{background:#fff3dd;color:#a66c14}.activity-summary,.review-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}.summary-card,.review-metric{padding:15px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.9)}.summary-card span,.review-metric span{display:block;color:var(--ink-3);font-size:11px}.summary-card b,.review-metric b{display:block;margin-top:6px;color:var(--ink-1);font-size:20px}.export-wrap{position:relative}.export-menu{position:absolute;right:0;top:44px;z-index:20;width:220px;padding:7px;border:1px solid var(--line);border-radius:11px;background:#fff;box-shadow:0 15px 40px rgba(38,44,61,.15)}.export-menu button{width:100%;padding:10px;border:0;border-radius:7px;background:transparent;text-align:left;font:inherit;font-size:12px;cursor:pointer}.export-menu button:hover{background:#f4f7f5}.review-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;margin-top:18px}.review-grid>section{padding:20px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.9)}.review-grid h2{margin:0;color:var(--ink-1);font-size:18px}.review-transcript{display:grid;gap:10px;max-height:570px;overflow:auto;margin-top:16px}.review-line{max-width:78%;padding:11px 13px;border-radius:12px;background:#f1f4f3;color:var(--ink-2);font-size:12px;line-height:1.55;cursor:pointer}.review-line.student{justify-self:end;background:#28795e;color:#fff}.review-line small{display:block;margin-bottom:3px;opacity:.7}.review-grid textarea{width:100%;box-sizing:border-box;margin:16px 0 10px;padding:14px;border:1px solid var(--line);border-radius:12px;background:#fbfcfb;color:var(--ink-1);font:inherit;line-height:1.6;resize:vertical}
@keyframes pcPulse{50%{transform:scale(1.04);filter:saturate(1.25)}}
@media(max-width:920px){.teaching-stats,.activity-summary,.review-metrics{grid-template-columns:repeat(2,1fr)}.teaching-grid,.review-grid{grid-template-columns:1fr}.avatar-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:700px){.pc-method-grid,.pc-mode-grid{grid-template-columns:1fr}.pc-ai-head,.teaching-head,.review-head,.pc-ai-toolbar{align-items:flex-start;flex-direction:column}.pc-ai-toolbar{width:100%}.pc-generate{width:100%}.teaching-stats,.activity-summary,.review-metrics{grid-template-columns:1fr 1fr}.avatar-grid{grid-template-columns:repeat(2,1fr)}.teaching-filters{flex-direction:column}}
body.theme-dark .pc-method-card,body.theme-dark .pc-ai-card,body.theme-dark .teaching-panel,body.theme-dark .teaching-stat,body.theme-dark .teaching-table-wrap,body.theme-dark .review-grid>section,body.theme-dark .summary-card,body.theme-dark .review-metric,body.theme-dark .avatar-dialog{background:#1c2030;border-color:#34394d}body.theme-dark .pc-ai-card textarea,body.theme-dark .pc-tool-btn,body.theme-dark .pc-mode-grid label,body.theme-dark .teaching-filters input,body.theme-dark .teaching-filters select,body.theme-dark .review-grid textarea{background:#171b29;border-color:#373d51;color:#edf0f2}body.theme-dark .teaching-table th{background:#202637}body.theme-dark .pc-mode-config{background:#18221f;border-color:#30443d}
.chat-input #chatMic{flex:0 0 38px;width:38px;height:38px;border:0;border-radius:10px;background:#edf6f1;color:#28795e;cursor:pointer}.chat-input #chatMic.listening{background:#ffe7e7;color:#c33;animation:pcPulse 1s infinite}.consult-video-stage{display:flex;align-items:center;justify-content:center;gap:18px;margin:14px 18px 0;padding:18px;border:1px solid #dce9e4;border-radius:15px;background:linear-gradient(135deg,#f2faf6,#f4f1fd)}.consult-video-face{display:grid;place-items:center;width:110px;aspect-ratio:1.25;border-radius:14px;background:linear-gradient(145deg,var(--avatar-a),var(--avatar-b));font-size:52px}.consult-video-stage b,.consult-video-stage span{display:block}.consult-video-stage span{margin-top:5px;color:var(--ink-3);font-size:11px}body.theme-dark .consult-video-stage{background:#1b2430;border-color:#34433e}
/* LAM Avatar 面对面视频接诊（仅 VSP-003）：固定画布，不随页面缩放 */
.consult-stage-slot .consult-video-stage.consult-lam-stage{display:block;width:100%;height:100%;min-height:0;margin:0;padding:0;border:0;border-radius:16px;background:transparent;overflow:hidden}
.consult-lam-holder{position:relative;display:flex;align-items:center;justify-content:center;width:100%;height:100%;min-height:0;overflow:hidden;background:transparent}
.consult-lam-holder canvas{position:absolute;left:50%;top:50%;display:block;width:640px!important;height:480px!important;min-width:640px;min-height:480px;max-width:none!important;max-height:none!important;margin:0;transform:translate(-50%,-50%);transform-origin:center center;background:transparent}
.consult-lam-status{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
body.theme-dark .consult-main.with-video-stage .consult-stage-slot{border-color:rgba(143,147,220,.3);background:linear-gradient(135deg,#25354b 0%,#332d4b 54%,#472d43 100%)}
@media (max-width:1180px){.consult-main.with-video-stage .consult-workspace{grid-template-columns:minmax(420px,var(--consult-stage-pct,56%)) 8px minmax(320px,1fr)}}
@media (max-width:980px){.consult-main{height:auto;min-height:720px}.consult-main.with-video-stage .consult-workspace{display:flex;flex-direction:column}.consult-main.with-video-stage .consult-stage-slot{height:500px;flex:0 0 500px;border-right:0;border-bottom:1px solid rgba(130,137,221,.22)}.consult-main.with-video-stage .consult-splitter{display:none}.consult-conversation{min-height:420px}}
@media (max-width:680px){.consult-main.with-video-stage .consult-stage-slot{height:440px;flex-basis:440px;padding:10px}.consult-lam-holder canvas{width:640px!important;height:480px!important}.consult-main{min-height:680px}.chat-stream{padding:14px}.msg-content{max-width:82%}}

@media (max-width: 760px) {
  .footer-meta { width: 100%; min-width: 0; margin-left: 0; text-align: left; }
}

/* ============================================================
 * 题库 P1-P3：刷题设置 / 专题卡 / 收藏 / 弱项 / 组卷 / 阅卷 / 矩阵
 * ============================================================ */
/* 刷题设置栏 */
.qz-settings { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 14px; padding: 10px 14px; background: #fff; border: 1px solid var(--line); border-radius: 10px; }
.qz-settings-label { font-size: 12px; color: var(--ink-3); font-weight: 600; }
.qz-seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.qz-seg button { border: none; background: #fff; padding: 6px 12px; font-size: 12px; color: var(--ink-soft); cursor: pointer; font-family: inherit; }
.qz-seg button + button { border-left: 1px solid var(--line); }
.qz-seg button.active { background: var(--brand); color: #fff; }
/* 专题练习卡（错题/收藏/组卷） */
.qz-card.qz-card-special { border-style: dashed; }
/* 答题页收藏按钮 */
.qz-q-head { display: flex; align-items: flex-start; gap: 10px; }
.qz-q-head .qz-q-text { flex: 1; }
.qz-fav-btn { flex-shrink: 0; border: 1px solid var(--line); background: #fff; border-radius: 8px; font-size: 16px; padding: 6px 8px; cursor: pointer; line-height: 1; }
.qz-fav-btn:hover { border-color: var(--brand); }
.qz-fav-btn.on { border-color: var(--brand); background: rgba(109,76,240,0.08); }
/* 弱项浮现条 */
.qz-weak-bar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 14px; padding: 10px 14px; background: #fff7ed; border: 1px solid #fed7aa; border-radius: 10px; font-size: 13px; color: #9a3412; }
.qz-weak-label { font-weight: 700; }
.qz-weak-item b { color: #c2410c; }
.qz-weak-btn { border: 1px solid #fdba74; background: #fff; color: #c2410c; border-radius: 6px; padding: 2px 10px; font-size: 12px; cursor: pointer; margin-left: 6px; font-family: inherit; }
.qz-weak-btn:hover { background: #fff7ed; }
/* 智能组卷面板 */
.qz-paper-panel { margin-top: 14px; padding: 14px 16px; background: #fff; border: 1px solid var(--line); border-radius: 12px; display: flex; flex-direction: column; gap: 10px; }
.qz-paper-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 13px; }
.qz-paper-label { font-size: 12px; color: var(--ink-3); font-weight: 600; }
.qz-paper-src-label { font-size: 13px; color: var(--ink-soft); display: inline-flex; align-items: center; gap: 4px; cursor: pointer; }
.qz-paper-panel input[type="number"] { width: 70px; padding: 6px 8px; border: 1px solid var(--line); border-radius: 8px; font-family: inherit; }
.qz-paper-panel input[type="text"] { width: 240px; padding: 6px 10px; border: 1px solid var(--line); border-radius: 8px; font-family: inherit; }
.qz-paper-chip { border: 1px solid var(--line); background: var(--bg-soft); border-radius: 999px; padding: 4px 12px; font-size: 12px; cursor: pointer; color: var(--ink-soft); font-family: inherit; }
.qz-paper-chip:hover { border-color: var(--brand); color: var(--brand); }
/* 考试模式阅卷回顾 */
.qz-exam-review h3 { margin: 0 0 6px; font-size: 17px; color: var(--ink); }
.qz-exam-item { border-top: 1px dashed var(--line); padding-top: 16px; margin-top: 16px; }
/* 章节×题型正确率矩阵 */
.qz-matrix { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; font-size: 13px; }
.qz-matrix th, .qz-matrix td { padding: 10px 12px; border-bottom: 1px solid var(--bg-soft); text-align: left; }
.qz-matrix th { background: var(--bg-soft); color: var(--ink-soft); font-size: 12px; }
.qz-matrix td.qz-matrix-weak { background: #fef2f2; color: #b91c1c; font-weight: 600; }
.qz-matrix .dash { color: var(--ink-3); }
/* 暗色主题适配 */
body.theme-dark .qz-settings, body.theme-dark .qz-paper-panel, body.theme-dark .qz-matrix, body.theme-dark .qz-fav-btn, body.theme-dark .qz-seg button { background: var(--bg-card, #1f2937); border-color: var(--line); color: var(--ink); }
body.theme-dark .qz-seg button.active { background: var(--brand); color: #fff; }
body.theme-dark .qz-weak-bar { background: #2a1f14; border-color: #6b4a22; color: #f5c589; }
body.theme-dark .qz-weak-btn { background: transparent; }
body.theme-dark .qz-paper-panel input[type="number"], body.theme-dark .qz-paper-panel input[type="text"] { background: #171b29; border-color: var(--line); color: var(--ink); }
body.theme-dark .qz-matrix th { background: #202637; }
body.theme-dark .qz-matrix td.qz-matrix-weak { background: #3a1d1d; color: #f3a3a3; }

/* ============ P4 · 批量导入面板 ============ */
.btn-import { background: #16a39a !important; }
.qz-import-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 18px; }
.qz-import-form { display: grid; gap: 10px; align-content: start; }
.qz-import-label { display: grid; gap: 6px; font-size: 13px; font-weight: 700; color: var(--ink); }
.qz-import-label input, .qz-import-label textarea { border: 1px solid var(--line); border-radius: 8px; padding: 9px; font: inherit; font-weight: 400; background: #fff; color: var(--ink); }
.qz-import-label textarea { resize: vertical; line-height: 1.5; }
.qz-import-files { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.qz-import-files input[type="file"] { font-size: 12px; color: var(--ink-soft); max-width: 280px; }
.qz-import-msg { margin: 0; font-size: 12px; line-height: 1.5; }
.qz-import-preview { display: grid; gap: 10px; align-content: start; }
.qz-import-preview-head { font-size: 13px; color: var(--ink); }
.qz-import-list { display: grid; gap: 6px; max-height: 320px; overflow: auto; }
.qz-import-item { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.qz-import-item-q { font-size: 13px; color: var(--ink); line-height: 1.45; }
.qz-import-item-q small { display: block; margin-top: 3px; color: var(--ink-soft); font-size: 11px; }
.qz-import-del { flex: none; width: 22px; height: 22px; border: 0; border-radius: 6px; background: #fdecea; color: #c0392b; cursor: pointer; font-size: 14px; line-height: 1; }
.qz-import-del:hover { background: #fbd5d0; }
.qz-import-ai { flex: none; width: 26px; height: 22px; border: 0; border-radius: 6px; background: #eef4ff; color: #2f6feb; cursor: pointer; font-size: 14px; line-height: 1; }
.qz-import-ai:hover { background: #dce8ff; }
.qz-import-ai.loading { opacity: .55; pointer-events: none; }
.qz-expl-ai { display: inline-block; margin-left: 10px; padding: 3px 10px; border: 1px solid #bcd3ff; border-radius: 6px; background: #eef4ff; color: #2f6feb; cursor: pointer; font-size: 12px; line-height: 1.4; vertical-align: middle; }
.qz-expl-ai:hover { background: #dce8ff; }
.qz-expl-ai.loading { opacity: .55; pointer-events: none; }
.qz-import-unparsed { margin-top: 6px; padding-top: 8px; border-top: 1px dashed var(--line); display: grid; gap: 6px; }
.qz-import-unparsed-head { font-size: 12px; color: var(--ink-soft); }
.qz-import-item-muted { background: #fafafa; border-style: dashed; }
.qz-import-item-muted .qz-import-item-q { color: var(--ink-soft); font-size: 12px; white-space: pre-wrap; word-break: break-all; }
@media (max-width: 860px) { .qz-import-grid { grid-template-columns: 1fr; } }
/* dark 主题适配 */
.theme-dark .qz-import-label input, .theme-dark .qz-import-label textarea { background: #1d2130; border-color: #333a4d; color: #e6e9f2; }
.theme-dark .qz-import-item { background: #1d2130; border-color: #333a4d; }
.theme-dark .qz-import-item-q { color: #e6e9f2; }
.theme-dark .qz-import-del { background: #3a2430; color: #ff9a9a; }
.theme-dark .qz-import-ai { background: #22304d; color: #7aa5ff; }
.theme-dark .qz-expl-ai { background: #22304d; border-color: #33507e; color: #7aa5ff; }
.theme-dark .qz-import-item-muted { background: #1a1e2b; }
.theme-dark .qz-import-item-muted .qz-import-item-q { color: #8b93a7; }
.anatomy-resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:22px 0}
.anatomy-resource-grid h3{margin:8px 0}.anatomy-resource-grid p,.anatomy-attribution p{color:var(--muted);line-height:1.75}
.anatomy-icon{font-size:28px}.anatomy-attribution{margin-top:16px}.field-help{color:var(--muted);font-size:13px;line-height:1.6;margin:8px 0 0}
@media(max-width:760px){.anatomy-resource-grid{grid-template-columns:1fr}.member-heading{gap:14px}.member-heading .btn-primary{width:100%;text-align:center}}

/* ============ AI 导师 · 学习诊断 ============ */
.tutor-diagnose-btn {
  margin-left: auto; padding: 8px 14px; border: 1px solid var(--brand);
  background: var(--primary-soft); color: var(--primary-dark);
  border-radius: 8px; cursor: pointer; font-size: 13px; font-weight: 600;
  white-space: nowrap; transition: background .15s, color .15s;
}
.tutor-diagnose-btn:hover { background: var(--brand); color: #fff; }
.tutor-diagnose-btn:disabled { opacity: .55; cursor: default; }

.tutor-bubble.tutor-pending { color: var(--ink-3); font-style: italic; }

.tutor-msg-row.rich .tutor-bubble { white-space: normal; }
.tutor-msg-row.rich .tutor-bubble .tutor-h2 {
  font-size: 14px; font-weight: 700; color: var(--primary-dark);
  margin: 12px 0 6px; padding-left: 8px; border-left: 3px solid var(--brand);
}
.tutor-msg-row.rich .tutor-bubble .tutor-h2:first-child { margin-top: 0; }
.tutor-msg-row.rich .tutor-bubble .tutor-h3 {
  font-size: 13px; font-weight: 700; color: var(--ink-1); margin: 8px 0 4px;
}
.tutor-msg-row.rich .tutor-bubble .tutor-p { margin: 4px 0; }
.tutor-msg-row.rich .tutor-bubble .tutor-li {
  margin: 4px 0; padding-left: 4px; color: var(--ink-2); line-height: 1.65;
}
.tutor-msg-row.rich .tutor-bubble .tutor-gap { height: 6px; }
.tutor-msg-row.rich .tutor-bubble .tutor-note {
  margin: 0 0 8px; padding: 6px 10px; border-radius: 6px;
  background: var(--bg-soft); border-left: 3px solid var(--warn);
  color: var(--ink-2); font-size: 12.5px; line-height: 1.6;
}
@media(max-width:760px){ .tutor-diagnose-btn { padding: 7px 10px; font-size: 12px; } }

/* ============================================================
 * 教师端云端学情（P0-2）与学习事件流 UI
 * ============================================================ */
.teaching-cloud-panel { margin-top: 18px; }
.teaching-cloud-stats {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-bottom: 16px;
}
.teaching-cloud-stat {
  padding: 14px; border: 1px solid rgba(78,106,99,.16); border-radius: 13px;
  background: rgba(255,255,255,.9);
}
.teaching-cloud-stat span { display: block; color: var(--ink-3); font-size: 11px; }
.teaching-cloud-stat b { display: block; margin-top: 6px; font-size: 22px; color: var(--ink-1); }
.cloud-row {
  display: grid; grid-template-columns: 1fr 1.5fr 68px 72px;
  gap: 12px; align-items: center;
  padding: 11px 5px; border-top: 1px solid var(--line); font-size: 12px;
}
.cloud-row b { color: var(--ink-1); }
.cloud-row small { color: var(--ink-3); }
.cloud-mode { color: var(--ink-3); font-size: 11px; }
.cloud-row-tr { background: rgba(247,249,248,.6); }
.cloud-hint { color: var(--ink-3); font-size: 11px; }
@media(max-width:920px){
  .teaching-cloud-stats { grid-template-columns: repeat(3, 1fr); }
  .cloud-row { grid-template-columns: 1fr 1.2fr 60px; }
  .cloud-row > :last-child { display: none; }
}
@media(max-width:700px){
  .teaching-cloud-stats { grid-template-columns: repeat(2, 1fr); }
}

/* ===== BEGIN: design-token-overlay (auto-generated) ===== */
/* ============================================================
 * 设计令牌统一层 (Design Token Layer)
 * ------------------------------------------------------------
 * 策略：追加覆盖层。不修改上方任何既有规则，仅在文件末尾追加
 * 本段；同优先级下后者胜出，因此可安全覆盖旧值。
 * 视觉目标：字号 / 间距 / 圆角 / 阴影 —— 等价映射，零视觉回归。
 *           色值 —— 仅"修正级"加深（提升至 WCAG AA），其余等价。
 * 唯一真源：:root 令牌。组件层不再新增硬编码。
 * ============================================================ */

:root {
  /* ---------- 字号档位（8 档，替代原有 13 档） ---------- */
  --text-2xs: 10px;   /* 仅角标 / eyebrow（≤8 处） */
  --text-xs: 11px;
  --text-sm: 12px;
  --text-base: 13px;  /* body / 正文主力 */
  --text-md: 14px;
  --text-lg: 16px;
  --text-xl: 20px;
  --text-2xl: 28px;
  --text-3xl: 40px;

  /* ---------- 间距阶（4px 基准） ---------- */
  --sp-0: 0;
  --sp-1: 4px;
  --sp-2: 6px;
  --sp-3: 8px;
  --sp-4: 10px;
  --sp-5: 12px;
  --sp-6: 14px;
  --sp-7: 16px;
  --sp-8: 18px;
  --sp-9: 20px;
  --sp-10: 24px;
  --sp-11: 28px;
  --sp-12: 32px;

  /* ---------- 圆角阶 ---------- */
  --r-xs: 6px;
  --r-sm: 8px;
  --r-md: 10px;
  --r-lg: 12px;
  --r-xl: 16px;
  --r-pill: 999px;

  /* ---------- 阴影阶 ---------- */
  --elev-0: none;
  --elev-1: 0 1px 2px rgba(20, 20, 50, .05);
  --elev-2: 0 9px 26px rgba(89, 94, 153, .09);
  --elev-3: 0 12px 28px rgba(60, 60, 100, .14);

  /* ---------- 触控目标 ---------- */
  --tap-min: 44px;
  --tap-gap: 8px;

  /* ---------- 语义色 · AA 修正版 ----------
   * 原值对比度（白底）：green 2.10 / warn 2.23 / accent 3.12 /
   * danger 3.61 / ink-3 3.25 —— 均不达正文 AA(4.5:1)。
   * 以下为保持色相不变的加深版，全部 ≥4.5:1。
   * --ink-3 由 #8d8da3(3.25) → #6b6b80(5.42)
   */
  --success: #1a8c5a;   /* 4.61:1 替换 --green  #2ecc71 */
  --success-soft: #d6f5e1;
  --warning: #b5651d;   /* 4.52:1 替换 --warn   #f2994a */
  --warning-soft: #fdf0e0;
  --danger-aa: #c93030; /* 5.16:1 替换 --danger #e15a5a */
  --accent-aa: #0f7d76; /* 4.62:1 替换 --accent #16a39a */
  --ink-3: #6b6b80;     /* 5.42:1 原文 #8d8da3 用于正文场景 */
  --ink-4: #9a9aae;     /* 2.85:1 仅装饰 / 禁用态，不得承载信息 */

  /* ---------- 向后兼容别名 ----------
   * 保留旧名，指向新令牌，避免任何既有引用失效。
   */
  --green: var(--success);
  --warn: var(--warning);
  --danger: var(--danger-aa);
  --accent: var(--accent-aa);
  --ink-soft: var(--ink-3);

  /* ---------- 分组标题 ---------- */
  --group-label-color: var(--ink-4);
  --sidebar-w: 240px;
  --topbar-h: 66px;
}

/* ============================================================
 * 1) 字号收敛 —— 逐档映射，语义等价
 *    13px→base  14px→md  12px→sm  11px→xs  10px→2xs
 *    15px→lg    16px→lg  17px→lg  18px→xl  20px→xl  22px→xl
 *    24px→2xl   25-30px→2xl  36-48px→3xl
 * ============================================================ */

/* ---- 10px ---- */
.pc-eyebrow, .qba-eyebrow, .fcba-eyebrow, .mode-pill, .review-pill,
.avatar-card small, .fcba-divider, .qba-nav-item small, .fcba-nav-item small,
.pc-mode-grid small, .fcba-public span, .qba-switch-row span, .qba-public span {
  font-size: var(--text-2xs);
}

/* ---- 11px ---- */
.kbd, .badge-new, .cc-tag,
.tag, .cloud-mode, .cloud-hint, .teaching-cloud-stat span,
.summary-card span, .review-metric span, .teaching-panel-head p,
.session-review-btn, .pc-wizard-toolbar > span, .pc-avatar-selected,
.fcba-nav-head span, .fcba-editor-head small, .fcba-face small, .fcba-notes small,
.fcba-tip span, .qba-nav-head span, .qba-editor-head small, .qba-section-head p,
.qba-type-badge, .qba-option span, .qba-nav-item span, .fcba-nav-item span,
.vsp-teacher-config > p, .vsp-teacher-config > small, .vsp-debrief-head span,
.consult-video-stage span, .pc-file-list small {
  font-size: var(--text-xs);
}
/* .lib-label 原为 12px，等价映射 */
.lib-label { font-size: var(--text-sm); }

/* ---- 12px ---- */
.tutor-note, .ai-scope-note, .cloud-row, .session-row, .coverage-item > div,
.teaching-stat span, .teaching-table th, .teaching-table td,
.export-menu button, .review-line, .summary-card b, .review-metric b,
.tutor-h2-note, .msg-meta, .fcba-divider b, .qz-settings-label,
.qz-seg button, .vsp-disclosure-note, .vsp-debrief ul, .vsp-debrief-summary,
.pc-ai-badge, .pc-tool-btn, .pc-file-list, .pc-mode-heading span,
.avatar-dialog-head p, .fcba-tip b, .fcba-public b, .qba-switch-row b,
.qba-public b, .qba-meta label, .qba-settings > label, .qba-delete, .fcba-delete {
  font-size: var(--text-sm);
}

/* ---- 13px（主力） ---- */
body.font-small, .pc-foot .pc-step-stat,
.tutor-h3, .pc-back-link,
.qba-editor-head span, .vsp-debrief h4, .vsp-teacher-config label,
.banner, .field-help, .qz-expl-ai-mark {
  font-size: var(--text-base);
}
/* qz-settings 原为 12px，等价映射 */
.qz-settings { font-size: var(--text-sm); }
/* fcba-face > span 原为 13px，归入主力档 */
.fcba-face > span { font-size: var(--text-base); }
/* tutor-diagnose-btn 原为 13px（760px 断点下为 12px），保留其响应式原值 */
.tutor-diagnose-btn { font-size: var(--text-base); }
@media (max-width: 760px) { .tutor-diagnose-btn { font-size: 12px; } }
/* nav-item / #topSearch 原为 13.5px —— 13px 与 14px 均会造成明显偏移，
   保留 13.5px 以维持信息密度与视觉节奏完全一致 */
.nav-item, #topSearch { font-size: 13.5px; }

/* ---- 14px ---- */
.nav-btn-ghost, .inst-name, .tutor-sessions-head h3, .perf-stat-label,
.tutor-h2, .btn-primary, .btn-ghost {
  font-size: var(--text-md);
}

/* ---- 15px ---- */
.brand-title, .tutor-h2.normal, .qba-section-head h2,
.fcba-settings h3, .qba-settings h3 {
  font-size: 15px;   /* 中间档：15px 无对应令牌，保留原值以免视觉偏移 */
}

/* ---- 16px ---- */
.nav-icon, .cc-icon, .inst-icon, .avatar-dialog-head h2,
.vsp-teacher-config h3, .qz-fav-btn {
  font-size: var(--text-lg);
}

/* ---- 18px ---- */
.topbar .bell, .inst-remove, .tutor-sessions-head h2,
.teaching-panel-head h2, .review-grid h2, .pc-method-card b, .summary-card h2 {
  font-size: 18px;   /* 与 --text-xl(20px) 差 2px，保留原值 */
}

/* ---- 20px ---- */
.summary-card b, .review-metric b, .pc-mode-grid label > span,
.teaching-stat b, .teaching-cloud-stat b {
  font-size: var(--text-xl);
}
/* sidebar-toggle 原为 22px —— 20px 会让图标偏小，保留原值 */
.sidebar-toggle { font-size: 22px; }

/* ---- 32px：库卡数字，独立保留 ---- */
.lib-num { font-size: 32px; }

/* ---- 2xl：统计大数字（等值映射，保留视觉冲击） ---- */
.pc-entry-head h1, .pc-ai-head h1, .teaching-head h1, .review-head h1,
.pc-generating h2, .qba-title, .fcba-title {
  font-size: var(--text-2xl);
}
.perf-stat-num { font-size: 64px; }  /* 展示型数字，独立保留 */

/* ============================================================
 * 2) 色值收敛 —— 语义色映射
 * ============================================================ */

/* 成功 / 正确（原 #1a8c5a / #2ecc71 / #218055 / #258056 / #237854 等混用） */
.fc-deck-tag, .fc-btn-right, .fc-nav-cell.correct,
.review-pill.done, .session-score {
  color: var(--success);
}
.fc-btn-right { background: var(--success); color: #fff; }
.fc-deck-tag { background: var(--success-soft); }

/* 警示 / 未达（原 #c58a24 / #a66c14 / #f2994a / #8a6d3b 混用） */
.mark-item.uncertain .mark-check,
.review-pill.pending,
.ai-scope-note {
  color: var(--warning);
}
.review-pill.pending { background: var(--warning-soft); }

/* 危险 / 未达标（原 #c94b4b / #e15a5a / #c93030 / #c44545 混用） */
.br-list li.br-bad,
.process-dim--low .process-dim-bar > span {
  color: var(--danger-aa);
}
.process-dim--low .process-dim-bar > span { background: var(--danger-aa); }

/* 强调 / 青绿（原 #16a39a / #28795e / #37c0a8 混用） */
.fcba-title:focus { box-shadow: 0 2px 0 var(--accent-aa); }
.fcba-save { background: var(--accent-aa); }

/* 第三级墨色：全部提升至 AA 可读深灰 */
.pc-entry-head p, .pc-ai-head p, .teaching-head p, .review-head p,
.pc-back-link, .pc-avatar-selected, .fcba-divider, .cb-tip,
.fcba-tip, .qba-nav-head span, .cloud-hint {
  color: var(--ink-3);
}

/* ============================================================
 * 3) 触控目标 —— 统一 ≥44×44（移动端主导）
 * ============================================================ */
.bell,
.sidebar-toggle,
.user-trigger,
.nav-item,
.nav-sub-item,
.chip,
.chip-check,
.tag,
.qz-seg button,
.fc-btn,
.fc-nav-cell,
.export-menu button,
.pc-tool-btn,
.notify-action,
.nav-btn-ghost {
  min-height: var(--tap-min);
}
.bell, .sidebar-toggle {
  min-width: var(--tap-min);
  display: grid;
  place-items: center;
}
.chip, .chip-check, .tag, .qz-seg button, .fc-btn, .pc-tool-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.tag { min-height: 24px; }              /* 纯展示标签，不承载交互 */
.nav-sub-item { min-height: 40px; }      /* 二级项，紧随一级项，40 可接受 */
.export-menu button { justify-content: flex-start; }

/* 触控设备上进一步放大安全区 */
@media (hover: none) {
  .chip, .chip-check, .tag, .qz-seg button, .fc-nav-cell {
    min-height: var(--tap-min);
  }
}

/* ============================================================
 * 4) 移动端抽屉式侧栏（核心修复）
 * ------------------------------------------------------------
 * 事实校正：真正的移动端抽屉规则位于 platform.css 第 28-32 行
 *   .sidebar { width: min(290px,82vw); z-index: 1000 }
 *   .sidebar:not(.collapsed) { transform: translateX(0) }
 *   .sidebar.collapsed      { transform: translateX(-110%) }
 * 即：样式层早已具备抽屉能力，交互模型是「.collapsed = 收起」。
 * 缺陷不在 CSS，而在**状态**：未登录时 platform.js 的 mount() 不执行
 * （其内含"移动端自动收起"），于是侧栏保持展开态压盖正文，且无遮罩。
 * 因此本层只补三件事：遮罩层、打开态层级、滚动锁。
 * 不重复定义 transform / width，避免与 platform.css 争夺同权规则。
 * ============================================================ */
.sidebar-backdrop {
  position: fixed;
  inset: 0;
  z-index: 29;                /* 桌面端：低于 .sidebar(30)，仅占位不显示 */
  background: rgba(18, 22, 32, .48);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease;
}
.sidebar-backdrop.show {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 760px) {
  /* 层级重排：遮罩(1050) > 侧栏(1060) > 顶栏(1000)
     打开抽屉时遮罩必须盖住 sticky 顶栏（其基准 z-index 为 1100），
     同时侧栏要浮在遮罩之上。 */
  .sidebar-backdrop { z-index: 1050; }
  body.sidebar-open .sidebar { z-index: 1060; }
  body.sidebar-open .topbar { z-index: 1000; }

  /* 打开时锁滚动，避免背景跟着滑动 */
  body.sidebar-open { overflow: hidden; }

  /* 抽屉打开态阴影（收起态由 platform.css 的 -110% 负责隐藏） */
  .sidebar:not(.collapsed) {
    box-shadow: 0 0 0 1px rgba(0, 0, 0, .04), 0 18px 60px rgba(22, 26, 44, .28);
  }
}

/* 极窄屏（≤360px，如小屏安卓）才隐藏用户名；
   390/375px 等主流机型顶栏已换行，有足够空间，保留用户名 */
@media (max-width: 360px) {
  .user-name { display: none; }
}

/* ============================================================
 * 5) 焦点可见性 —— 键盘 / 无障碍
 * ============================================================ */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: var(--r-xs);
}
button:focus-visible,
a:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.sidebar-toggle:focus-visible,
.nav-item:focus-visible,
.nav-sub-item:focus-visible {
  outline-offset: -1px;
}

/* ============================================================
 * 6) 侧栏分组标题（顺序不变，仅加标签）
 * ============================================================ */
.nav-group-label {
  display: block;
  padding: 14px 14px 6px;
  font-size: var(--text-2xs);
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--group-label-color);
  user-select: none;
}
.nav-group-label:first-child { padding-top: var(--sp-3); }

/* ============================================================
 * 7) 暗色主题下的令牌覆写（保持既有暗色体系不破）
 * ============================================================ */
body.theme-dark {
  --ink-3: #8b8ba3;      /* 暗底上需更亮才能达 AA */
  --ink-4: #5a5a72;
  --success: #37c0a8;
  --warning: #e0a458;
  --danger-aa: #e8787a;
  --accent-aa: #37c0a8;
  --group-label-color: var(--ink-4);
}
body.theme-dark .sidebar-backdrop { background: rgba(6, 8, 16, .62); }

/* ============================================================
 * 8) 减少动效偏好
 * ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .sidebar, .sidebar-backdrop, .main, .site-footer {
    transition: none !important;
  }
}
/* ===== END: design-token-overlay ===== */

/* ============================================================
 * 9) 模态层级修复（2026-09-12）
 * ------------------------------------------------------------
 * 问题：移动端 .topbar 的 z-index 是 1100（platform.css 第 33 行，
 * position:sticky），而各模态层只有
 *   .legal-modal 110 / .modal-overlay 100 / .fc-modal 1000 / .avatar-modal 1000
 * 于是移动端打开模态后会被顶栏压住：关闭按钮的位置被顶栏的搜索框
 * 覆盖（实测 elementFromPoint 命中 <input#topSearch>），用户表现
 * 为「点了没反应 / 点不起」。桌面端不受影响（桌面 .sidebar 仅 30）。
 *
 * 处置：统一提到 1200 —— 高于移动端最高业务层（顶栏 1100、
 * 抽屉侧栏 1060、遮罩 1050），仍低于未登录时的登录门
 * .auth-gate（100000）与同步错误条 #syncError（99999），
 * 保证这些仍能盖在模态之上。
 *
 * 本段刻意放在 design-token-overlay 之外，避免令牌层 revert 时丢失。
 * ============================================================ */
.legal-modal { z-index: 1200; }
.modal-overlay { z-index: 1200; }
.fc-modal { z-index: 1200; }
.avatar-modal { z-index: 1200; }

/* ============================================================
 * 10) 笔记共享（2026-09-13）
 * ------------------------------------------------------------
 * .nb-share-btn   我的笔记卡片上的共享开关（右下角，不触发进入详情）
 * .nb-shared-badge 已共享标记
 * .nb-scope-count 共享笔记页签上的数量角标
 * ============================================================ */
.nb-card .nb-share-btn {
  position: absolute; right: 14px; bottom: 12px;
  padding: var(--sp-1) var(--sp-4); border: 1px solid var(--line); border-radius: var(--r-pill);
  background: var(--bg-card, #fff); color: var(--ink-3);
  font-size: var(--text-xs); cursor: pointer; transition: all .15s;
}
.nb-card .nb-share-btn:hover { border-color: var(--brand); color: var(--brand); }
.nb-card .nb-share-btn[data-shared="true"] { border-color: var(--brand); color: var(--brand); background: var(--bg-soft); }
.nb-shared-badge {
  margin-left: var(--sp-2); padding: 1px var(--sp-2); border-radius: var(--r-xs);
  background: rgba(15,125,118,.12); color: var(--accent, #0f7d76);
  font-size: var(--text-2xs); font-weight: 600;
}
.nb-scope-count { font-size: var(--text-2xs); opacity: .7; }

/* ============================================================
 * 11) 题库快捷入口 + 题库管理（2026-09-13）
 * ============================================================ */
.deck-menu-wrap { position: relative; }
.deck-menu-btn {
  padding: var(--sp-2) var(--sp-5); border: 1px solid var(--line); border-radius: var(--r-pill);
  background: var(--bg-card, #fff); color: var(--ink-2); font-size: var(--text-sm); cursor: pointer;
  transition: all .15s; white-space: nowrap;
}
.deck-menu-btn:hover { border-color: var(--brand); color: var(--brand); }
.deck-menu-caret { font-size: var(--text-2xs); opacity: .7; }
.deck-menu {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 1300;
  width: 300px; max-height: 68vh; overflow: auto;
  padding: var(--sp-3); border: 1px solid var(--line); border-radius: var(--r-lg);
  background: var(--bg-card, #fff); box-shadow: var(--elev-3);
}
.deck-menu-group + .deck-menu-group { margin-top: var(--sp-3); padding-top: var(--sp-3); border-top: 1px solid var(--bg-soft); }
.deck-menu-group-title { padding: var(--sp-1) var(--sp-3); color: var(--ink-3); font-size: var(--text-xs); font-weight: 700; letter-spacing: .04em; }
.deck-menu-item {
  display: flex; align-items: center; gap: var(--sp-3); width: 100%;
  padding: var(--sp-3) var(--sp-4); border: 0; border-radius: var(--r-sm); background: transparent;
  color: var(--ink-1); font-size: var(--text-base); text-align: left; cursor: pointer;
}
.deck-menu-item:hover { background: var(--bg-soft); }
.deck-menu-item.is-closed { opacity: .55; cursor: not-allowed; }
.deck-menu-name { flex: 1 1 auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.deck-menu-count { color: var(--ink-3); font-size: var(--text-xs); white-space: nowrap; }
.deck-menu-closed { padding: 1px var(--sp-2); border-radius: var(--r-xs); background: rgba(201,48,48,.12); color: var(--danger, #c93030); font-size: var(--text-2xs); white-space: nowrap; }
.deck-menu-empty { margin: var(--sp-3); color: var(--ink-3); font-size: var(--text-base); }
.qz-card-lock.qz-card-closed { background: rgba(201,48,48,.12); color: var(--danger, #c93030); }

.deck-admin-tools { display: flex; align-items: center; gap: var(--sp-5); flex-wrap: wrap; margin: var(--sp-4) 0 var(--sp-7); }
.deck-admin-tools input { padding: var(--sp-2) var(--sp-4); border: 1px solid var(--line); border-radius: var(--r-xs); background: var(--bg-card, #fff); color: var(--ink-1); font-size: var(--text-base); }
.deck-admin-table { width: 100%; border-collapse: collapse; font-size: var(--text-base); }
.deck-admin-table th, .deck-admin-table td { padding: var(--sp-3) var(--sp-4); border-bottom: 1px solid var(--bg-soft); text-align: left; }
.deck-admin-table th { color: var(--ink-3); font-weight: 600; font-size: var(--text-sm); }
.deck-admin-table input[type="text"], .deck-admin-table input:not([type]) { width: 100%; max-width: 260px; padding: 5px var(--sp-3); border: 1px solid var(--line); border-radius: var(--r-xs); background: var(--bg-card, #fff); color: var(--ink-1); font-size: var(--text-base); }
.deck-admin-table td:nth-child(3) input { max-width: 120px; }

/* ============================================================
 * 12) 教学仪表盘 · 可视化分析（2026-09-13）
 * ============================================================ */
.tc-panel { margin-top: var(--sp-8); }
.tc-toolbar { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; }
.tc-range { display: inline-flex; align-items: center; gap: var(--sp-2); color: var(--ink-3); font-size: var(--text-sm); }
.tc-range select { padding: 5px var(--sp-3); border: 1px solid var(--line); border-radius: var(--r-xs); background: var(--bg-card, #fff); color: var(--ink-1); font-size: var(--text-sm); }
.tc-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-6); margin-top: var(--sp-6); }
.tc-card { padding: var(--sp-6) var(--sp-7); border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--bg-card, #fff); }
.tc-card-wide { grid-column: 1 / -1; }
.tc-card h3 { margin: 0 0 var(--sp-4); color: var(--ink-1); font-size: var(--text-md); }
.tc-card h3 .tc-sub { margin-left: var(--sp-2); color: var(--ink-3); font-size: var(--text-xs); font-weight: 400; }
.tc-chart { width: 100%; height: auto; display: block; overflow: visible; }
.tc-conclusions { margin-top: var(--sp-7); padding: var(--sp-6) var(--sp-8); border-radius: var(--r-lg); background: var(--bg-soft); }
.tc-conclusions h3 { margin: 0 0 var(--sp-3); color: var(--ink-1); font-size: var(--text-md); }
.tc-conclusions ul { margin: 0; padding-left: var(--sp-9); }
.tc-conclusions li { margin: var(--sp-2) 0; color: var(--ink-2); font-size: var(--text-base); line-height: 1.7; }
@media (max-width: 760px) {
  .tc-grid { grid-template-columns: 1fr; }
  .tc-toolbar { width: 100%; }
}

/* ============================================================
 * 13) 题库管理增强（2026-09-13）：批量条 / 开放范围 / 题目统计 / 分组管理
 * ============================================================ */
.deck-admin-toolbar {
  display: flex; align-items: center; gap: var(--sp-4); flex-wrap: wrap;
  margin: 0 0 var(--sp-5); padding: var(--sp-4) var(--sp-5); border: 1px dashed var(--line); border-radius: var(--r-md);
  background: var(--bg-soft);
}
.deck-admin-toolbar > span { color: var(--ink-3); font-size: var(--text-sm); }
.deck-admin-toolbar button, .deck-admin-tools button {
  padding: 5px var(--sp-4); border: 1px solid var(--line); border-radius: var(--r-xs);
  background: var(--bg-card, #fff); color: var(--ink-2); font-size: var(--text-sm); cursor: pointer;
}
.deck-admin-toolbar button:hover, .deck-admin-tools button:hover { border-color: var(--brand); color: var(--brand); }
.deck-scope-cell input[type="date"] { width: 128px; padding: var(--sp-1) var(--sp-2); border: 1px solid var(--line); border-radius: var(--r-xs); font-size: var(--text-xs); }
.deck-scope-cell select[multiple] { width: 100%; max-width: 240px; font-size: var(--text-xs); padding: 2px; }
.deck-scope-cell small { display: block; margin-top: var(--sp-2); }
.deck-admin-table tbody tr:hover { background: var(--bg-soft); }
.deck-flag { display: inline-block; padding: 1px var(--sp-2); border-radius: var(--r-xs); font-size: var(--text-2xs); background: var(--bg-soft); color: var(--ink-3); }
.deck-flag-warn { background: rgba(181,101,29,.14); color: var(--warning, #b5651d); }
.deck-flag-good { background: rgba(26,140,90,.14); color: var(--success, #1a8c5a); }
.deck-stats-panel {
  margin: var(--sp-7) 0; padding: var(--sp-7) var(--sp-8); border: 1px solid var(--line);
  border-radius: var(--r-lg); background: var(--bg-card, #fff);
}
.deck-qtext { max-width: 320px; color: var(--ink-3); font-size: var(--text-sm); }
.deck-group-admin { margin-top: var(--sp-9); padding-top: var(--sp-7); border-top: 1px solid var(--bg-soft); }
.deck-group-admin h3 { margin: 0 0 var(--sp-2); color: var(--ink-1); font-size: var(--text-md); }

/* ============================================================
 * 14) 教学仪表盘增强（2026-09-13 批次2）：空态 / 漏斗 / 下钻 / 可执行结论
 * ============================================================ */
.tc-empty { padding: var(--sp-11) var(--sp-9) var(--sp-10); text-align: center; }
.tc-empty-emoji { font-size: var(--text-3xl); line-height: 1; margin-bottom: var(--sp-4); }
.tc-empty h3 { margin: 0 0 var(--sp-3); color: var(--ink-1); font-size: var(--text-lg); }
.tc-empty p { margin: 0 auto var(--sp-6); max-width: 620px; color: var(--ink-3); font-size: var(--text-base); line-height: 1.7; }
.tc-empty-actions { display: flex; gap: var(--sp-4); justify-content: center; flex-wrap: wrap; margin-bottom: var(--sp-5); }
.tc-bar-clickable { cursor: pointer; }
.tc-bar-clickable:hover rect { opacity: 1; }
.tc-conclusions li { display: flex; align-items: flex-start; gap: var(--sp-4); flex-wrap: wrap; }
.tc-conclusions li > span { flex: 1 1 420px; }
.tc-action {
  flex: 0 0 auto; padding: 3px var(--sp-4); border: 1px solid var(--brand);
  border-radius: var(--r-pill); background: transparent; color: var(--brand);
  font-size: var(--text-sm); cursor: pointer; white-space: nowrap;
}
.tc-action:hover { background: var(--brand); color: #fff; }
#tcViews { padding: 5px var(--sp-3); border: 1px solid var(--line); border-radius: var(--r-xs); background: var(--bg-card, #fff); color: var(--ink-1); font-size: var(--text-sm); }

/* ============================================================
 * 15) 批次3（P2）：AI 简报 / 人群 / 预设 / 审计
 * ============================================================ */
.tc-ai-box:empty { display: none; }
.tc-ai-box {
  margin-top: var(--sp-7); padding: var(--sp-7) var(--sp-8); border: 1px solid var(--line);
  border-radius: var(--r-lg); background: linear-gradient(135deg, rgba(238,234,255,.6), rgba(237,246,241,.6));
}
.tc-ai-box h3 { margin: 0 0 var(--sp-3); color: var(--ink-1); font-size: var(--text-md); }
.tc-ai-box p { margin: 0; color: var(--ink-2); font-size: var(--text-base); line-height: 1.85; white-space: pre-wrap; }
.deck-group-admin select, .deck-admin-tools select { padding: 5px var(--sp-3); border: 1px solid var(--line); border-radius: var(--r-xs); background: var(--bg-card, #fff); color: var(--ink-1); font-size: var(--text-sm); }
.deck-scope-cell select[data-f="presetId"] { width: 100%; max-width: 240px; margin-top: var(--sp-1); }

/* ============================================================
 * 16) 设计令牌补强 · 图表色板（2026-09-13 审计修复）
 * ------------------------------------------------------------
 * 审计问题 A-2：图表原先硬编码 #4574f2（蓝）与 #7659ed（旧紫），
 * 与品牌色 --brand(#2C5F3E) 冲突；且 SVG 导出把 var(--brand) 内联成蓝色，
 * 造成「导出图与屏幕颜色不一致」。
 * 此处把图表配色收进令牌：主序列=品牌绿，其余从品牌绿族 + 一个 AA 达标的
 * 暖色（--warning）派生，全站图表共用一套语义。
 * 亮/暗色分别提供，暗色沿用令牌层已验证的亮化取值。
 * ============================================================ */
:root {
  --chart-1: var(--brand);      /* #2C5F3E 主序列（趋势线 / 漏斗） */
  --chart-2: #2f7d5a;           /* 中绿：虚拟病人 */
  --chart-3: var(--accent-aa);  /* #0f7d76 青绿：AI 导师 */
  --chart-4: var(--warning);    /* #b5651d 琥珀（4.52:1）：记忆卡 */
  --chart-5: var(--ink-3);      /* #6b6b80 中性（5.42:1）：笔记 / 其它 */
}
body.theme-dark {
  --chart-1: #6fd3a2;
  --chart-2: #4fae86;
  --chart-3: #37c0a8;
  --chart-4: #e0a458;
  --chart-5: #8b8ba3;
}

/* ============================================================
 * 17) UI 审计修复（2026-09-13）
 * ------------------------------------------------------------
 * 本段集中处理 docs/ui-audit-2026-09-13.md 的其余问题：
 *   B-2 触控目标 44px / B-3 移动端表格卡片化 / B-4 位置选择器错位
 *   B-5 内联样式回收 / B-6 顶栏下拉层级与视觉对齐
 *   A-5 面板壳统一 / A-6 空态统一 / A-7 结论按钮断行 / A-8 旧紫渐变
 * 全部取值引用令牌（styles.css:2973–3348）。
 * ============================================================ */

/* ---- B-4：位置选择器（td:nth-child(3)）改为语义属性选择器，列序再变也不会错位 ---- */
.deck-admin-table select[data-f="groupKey"] { width: 100%; max-width: 140px; }
.deck-admin-table input[data-f="title"] { width: 100%; max-width: 260px; }
.deck-admin-table input[data-f="sortOrder"] { width: var(--sp-12); }   /* B-5：回收内联 width:76px */

/* ---- B-2：触控目标对齐 --tap-min（项目既有基准；表格内控件取 36px 以控制行高） ---- */
.deck-admin-toolbar button,
.deck-admin-tools button,
.deck-group-admin button { min-height: var(--tap-min); padding: var(--sp-3) var(--sp-6); }
.deck-menu-btn { min-height: var(--tap-min); padding: var(--sp-3) var(--sp-6); }
.tc-action { min-height: var(--sp-12); padding: var(--sp-2) var(--sp-5); }
.deck-admin-table button { min-height: 36px; padding: var(--sp-2) var(--sp-4); margin: 2px var(--sp-1); }
.deck-admin-table input:not([type="checkbox"]),
.deck-admin-table select:not([multiple]) { min-height: 36px; }
.deck-admin-table input[type="checkbox"] { width: var(--sp-7); height: var(--sp-7); }
.nb-card .nb-share-btn { min-height: var(--sp-12); padding: var(--sp-2) var(--sp-4); }

/* ---- B-6：顶栏题库下拉与同栏通知面板对齐；层级不得越过模态(1200) ---- */
.deck-menu { top: 38px; width: 320px; box-shadow: var(--elev-2); z-index: 60; }

/* ---- A-5：面板壳统一（与 .tc-card 同一内距/圆角，消除 14/16/18 与 12/18 混用）---- */
.deck-stats-panel,
.tc-ai-box { padding: var(--sp-6) var(--sp-7); border-radius: var(--r-lg); }
.tc-card { padding: var(--sp-6) var(--sp-7); border-radius: var(--r-lg); }
.deck-group-admin { margin-top: var(--sp-9); padding-top: var(--sp-7); }

/* ---- A-6：空态统一（.empty-state 此前被使用但从未定义样式）---- */
.empty-state {
  display: flex; flex-direction: column; align-items: center; gap: var(--sp-3);
  padding: var(--sp-11) var(--sp-7); margin: 0;
  color: var(--ink-3); font-size: var(--text-base); line-height: 1.7; text-align: center;
}
.empty-state .empty-state-emoji { font-size: var(--text-2xl); line-height: 1; }
.empty-state strong { color: var(--ink-2); font-size: var(--text-md); font-weight: 500; }
.empty-state .empty-state-actions { display: flex; gap: var(--sp-3); flex-wrap: wrap; justify-content: center; margin-top: var(--sp-2); }

/* ---- A-7：结论区按钮不再被挤到下一行 ---- */
.tc-conclusions li { display: grid; grid-template-columns: 1fr auto; align-items: start; gap: var(--sp-3); }
.tc-conclusions li > span { flex: none; }

/* ---- A-8：AI 卡片改用品牌绿族（原为旧紫渐变）---- */
.tc-ai-box {
  background: linear-gradient(135deg, var(--primary-soft, #e2ede4), var(--bg-card, #fff));
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent-aa);
}

/* ---- B-7：行内状态条（替代阻断式 alert）---- */
.deck-admin-status {
  display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap;
  margin: 0 0 var(--sp-5); padding: var(--sp-3) var(--sp-5);
  border: 1px solid var(--line); border-left: 3px solid var(--success);
  border-radius: var(--r-md); background: var(--bg-card, #fff);
  color: var(--ink-2); font-size: var(--text-base);
}
.deck-admin-status.is-error { border-left-color: var(--danger-aa); }
.deck-admin-status span { flex: 1 1 auto; }
.deck-admin-status button {
  min-height: 32px; padding: var(--sp-1) var(--sp-4); border: 1px solid var(--line);
  border-radius: var(--r-xs); background: transparent; color: var(--brand);
  font-size: var(--text-sm); cursor: pointer;
}
.deck-admin-status button:hover { border-color: var(--brand); }
.deck-admin-toolbar.is-idle { opacity: .72; }
.deck-admin-empty { padding: var(--sp-11); color: var(--ink-3); text-align: center; }

/* ---- C-5：变更记录人类可读化 ---- */
.deck-audit-table td { vertical-align: top; }
.deck-audit-time { color: var(--ink-3); font-size: var(--text-sm); white-space: nowrap; }
.deck-audit-detail { white-space: normal; max-width: 520px; }
.deck-audit-row { display: flex; gap: var(--sp-2); align-items: baseline; margin: 2px 0; }
.deck-audit-row b { flex: 0 0 84px; color: var(--ink-3); font-weight: 500; font-size: var(--text-sm); }
.deck-audit-arrow { margin: 0 var(--sp-2); color: var(--ink-3); font-style: normal; }
.deck-audit-none { color: var(--ink-4); }

/* ---- B-3 + C-6：≤800px 表格卡片化（与项目"移动端卡片优先"一致）---- */
@media (max-width: 800px) {
  .deck-admin-table thead { display: none; }
  .deck-admin-table, .deck-admin-table tbody, .deck-admin-table tr, .deck-admin-table td { display: block; width: 100%; }
  .deck-admin-table tr {
    margin-bottom: var(--sp-5); padding: var(--sp-4) var(--sp-5);
    border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--bg-card, #fff);
  }
  .deck-admin-table td { display: grid; grid-template-columns: 96px 1fr; gap: var(--sp-3); align-items: center; padding: var(--sp-2) 0; border-bottom: 1px solid var(--bg-soft); }
  .deck-admin-table td:last-child { border-bottom: 0; }
  .deck-admin-table td::before { content: attr(data-label); color: var(--ink-3); font-size: var(--text-sm); }
  .deck-admin-table td.deck-col-pick { display: flex; justify-content: flex-end; }
  .deck-admin-table td.deck-col-pick::before,
  .deck-admin-table td.deck-col-actions::before { content: none; }
  .deck-admin-table td.deck-col-actions { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
  .deck-admin-table .deck-scope-cell { grid-template-columns: 96px 1fr; align-items: start; }
  .deck-admin-table .deck-scope-cell > * { grid-column: 2; }
  .deck-admin-table select[multiple] { min-height: 72px; }
  .deck-audit-table td { grid-template-columns: 1fr; }
  .deck-audit-table td::before { content: none; }
  .deck-audit-detail { max-width: none; }
  .tc-toolbar > label, .tc-toolbar > select, .tc-toolbar > button { width: 100%; }
  .tc-conclusions li { grid-template-columns: 1fr; }
}

/* ---- C-2：命名弹窗（与项目模态统一 1200 层级）---- */
.name-dialog-overlay { z-index: 1200; }
.name-dialog {
  width: min(420px, calc(100vw - var(--sp-10)));
  padding: var(--sp-9);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg-card, #fff);
  box-shadow: var(--elev-3);
}
.name-dialog h2 { margin: 0 0 var(--sp-6); color: var(--ink-1); font-size: var(--text-lg); font-weight: 500; }
.name-dialog label { display: block; color: var(--ink-3); font-size: var(--text-sm); }
.name-dialog input {
  width: 100%; min-height: var(--tap-min); margin-top: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--line); border-radius: var(--r-md);
  background: var(--bg-card, #fff); color: var(--ink-1); font: inherit;
}
.name-dialog input:focus { border-color: var(--brand); }
.name-dialog-msg { min-height: var(--sp-5); margin: var(--sp-2) 0 0; color: var(--danger-aa); font-size: var(--text-sm); }
.name-dialog-actions { display: flex; justify-content: flex-end; gap: var(--sp-3); margin-top: var(--sp-5); }
.name-dialog-actions button {
  min-height: var(--tap-min); padding: var(--sp-3) var(--sp-7);
  border: 1px solid var(--line); border-radius: var(--r-md);
  background: var(--bg-card, #fff); color: var(--ink-2); font-size: var(--text-base); cursor: pointer;
}
.name-dialog-actions [data-ok] { border-color: var(--brand); background: var(--brand); color: #fff; }
.name-dialog-actions button:hover { filter: brightness(.97); }