:root {
  --ink: #172321;
  --muted: #63706b;
  --paper: #fbf5ea;
  --surface: rgba(255, 252, 244, 0.92);
  --surface-strong: rgba(255, 255, 255, 0.74);
  --green: #1f6f58;
  --green-dark: #123f33;
  --gold: #c6903b;
  --clay: #b85f42;
  --line: rgba(30, 54, 46, 0.14);
  --shadow: 0 24px 70px rgba(31, 56, 47, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  color: var(--ink);
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 14% 16%, rgba(198, 144, 59, 0.23), transparent 30%),
    radial-gradient(circle at 86% 10%, rgba(31, 111, 88, 0.24), transparent 34%),
    linear-gradient(145deg, #f7ecd9 0%, #edf5e6 52%, #f9f1df 100%);
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.hidden {
  display: none !important;
}

.login-view {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card,
.sidebar,
.topbar,
.panel,
.hero-card,
.notice {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.login-card {
  width: min(520px, 100%);
  padding: 42px;
  border-radius: 34px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: "LXGW WenKai", "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  line-height: 1.15;
}

h1 {
  margin: 0;
  font-size: clamp(34px, 4.8vw, 62px);
  letter-spacing: -0.05em;
}

h2 {
  margin: 0;
  font-size: clamp(24px, 3vw, 38px);
  letter-spacing: -0.04em;
}

h3 {
  margin: 0;
  font-size: 22px;
}

p,
li,
small {
  line-height: 1.75;
}

.subtitle,
.prompt,
.feedback-copy p,
.notice,
.sidebar-note p {
  color: var(--muted);
}

.login-form {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.login-form label,
.case-input-label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.login-form input,
.custom-question input,
.builder-form input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.78);
  outline: none;
}

textarea {
  resize: vertical;
  line-height: 1.8;
}

.login-form input:focus,
.custom-question input:focus,
.builder-form input:focus,
textarea:focus,
select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(31, 111, 88, 0.12);
}

.primary-btn,
.secondary-btn,
.ghost-btn,
.login-form button {
  border-radius: 999px;
  padding: 13px 18px;
  font-weight: 900;
}

.primary-btn,
.login-form button {
  border: 0;
  color: #fff;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  box-shadow: 0 14px 30px rgba(20, 72, 56, 0.22);
}

.secondary-btn,
.ghost-btn {
  border: 1px solid var(--line);
  color: var(--green-dark);
  background: rgba(255, 255, 255, 0.68);
}

button:disabled,
button.is-disabled {
  opacity: 0.46;
  cursor: not-allowed;
  box-shadow: none;
  filter: grayscale(0.28);
}

#caseInput[readonly] {
  background: rgba(255, 255, 255, 0.54);
  cursor: default;
}

.form-error {
  min-height: 20px;
  margin: 0;
  color: #9b321f;
  font-size: 14px;
}

.demo-note {
  margin-top: 20px;
  padding: 14px 16px;
  border: 1px dashed rgba(184, 95, 66, 0.38);
  border-radius: 18px;
  color: var(--muted);
  background: rgba(184, 95, 66, 0.08);
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 18px;
  padding: 18px;
}

.sidebar {
  position: sticky;
  top: 18px;
  align-self: start;
  min-height: calc(100vh - 36px);
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 22px;
  padding: 22px;
  border-radius: 30px;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-dot {
  width: 14px;
  height: 14px;
  border-radius: 99px;
  background: var(--clay);
  box-shadow: 0 0 0 8px rgba(184, 95, 66, 0.12);
  flex: 0 0 auto;
}

.brand-block strong {
  display: block;
  font-size: 20px;
}

.brand-block small {
  color: var(--muted);
  font-weight: 800;
}

.app-nav {
  display: grid;
  align-content: start;
  gap: 10px;
}

.nav-item,
.case-tab,
.choice-btn,
.flow-step {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px 16px;
  color: var(--green-dark);
  background: rgba(255, 255, 255, 0.64);
  font-weight: 900;
  text-align: left;
}

.nav-item.active,
.case-tab.active,
.choice-btn.selected {
  color: #fff;
  border-color: transparent;
  background: var(--green);
}

.sidebar-note {
  padding: 16px;
  border-radius: 22px;
  background: rgba(184, 95, 66, 0.08);
}

.sidebar-note span {
  color: #8d3e25;
  font-weight: 900;
}

.main-app {
  min-width: 0;
}

.topbar {
  position: static;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 18px;
  padding: 18px 22px;
  border-radius: 28px;
}

.topbar h1 {
  font-size: clamp(28px, 4vw, 46px);
}

.topbar-actions,
.panel-actions,
.action-row,
.next-row,
.choice-row,
.flow-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.role-toggle {
  display: inline-flex;
  gap: 6px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
}

.role-btn {
  border: 0;
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--muted);
  background: transparent;
  font-size: 13px;
  font-weight: 900;
}

.role-btn.active {
  color: #fff;
  background: var(--green);
}

.page-view {
  display: none;
}

.page-view.active {
  display: block;
  animation: pageIn 0.22s ease both;
}

@keyframes pageIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dashboard-grid,
.page-grid,
.feedback-grid,
.reasoning-grid,
.teacher-grid,
.interview-layout,
.history-stats,
.builder-grid,
.class-grid,
.exam-grid {
  display: grid;
  gap: 16px;
}

.dashboard-grid {
  grid-template-columns: minmax(0, 1.4fr) minmax(230px, 0.55fr) minmax(230px, 0.55fr);
}

.cases-grid {
  grid-template-columns: 260px minmax(0, 1fr);
}

.interview-layout,
.builder-grid,
.class-grid,
.exam-grid {
  grid-template-columns: minmax(260px, 0.42fr) minmax(0, 1fr);
}

.feedback-grid,
.reasoning-grid,
.teacher-grid,
.explain-grid,
.history-stats,
.difference-grid,
.template-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.panel,
.hero-card,
.notice {
  border-radius: 28px;
  padding: 22px;
}

.hero-card {
  padding: 30px;
}

.hero-card p {
  color: var(--muted);
  max-width: 780px;
}

.flow-row {
  margin-top: 20px;
}

.flow-step {
  width: auto;
}

.status-panel {
  display: grid;
  align-content: center;
}

.status-panel span,
.risk-meter span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

.status-panel strong,
.risk-meter strong {
  display: block;
  margin-top: 8px;
  color: var(--green-dark);
  font-size: 30px;
}

.status-panel small,
.risk-meter small {
  color: var(--muted);
}

.student-home-layout,
.student-home-queue {
  display: grid;
  gap: 16px;
}

.student-home-layout {
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
}

.student-home-queue {
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.7fr);
  margin-top: 16px;
}

.student-focus-card,
.student-path-card {
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.76);
  min-height: 286px;
}

.student-focus-card {
  display: grid;
  gap: 12px;
  grid-template-rows: auto auto auto 1fr;
  align-content: stretch;
  background:
    radial-gradient(circle at 84% 20%, rgba(136, 176, 134, 0.22), transparent 30%),
    linear-gradient(145deg, rgba(31, 111, 88, 0.12), rgba(255, 255, 255, 0.9));
}

.student-focus-card h2 {
  margin: 0;
  color: var(--green-dark);
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.08;
}

.student-path-card h3 {
  margin-top: 0;
}

.learning-path {
  display: grid;
  gap: 10px;
  counter-reset: learning-step;
}

.learning-path span {
  counter-increment: learning-step;
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid rgba(31, 111, 88, 0.14);
  border-radius: 16px;
  color: var(--green-dark);
  background: rgba(247, 244, 232, 0.74);
  font-weight: 900;
}

.learning-path span::before {
  content: counter(learning-step);
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  color: #fff;
  background: var(--green);
  font-size: 12px;
}

.student-recent-grid {
  display: grid;
  gap: 10px;
}

.student-recent-grid div {
  padding: 12px 14px;
  border: 1px solid rgba(31, 111, 88, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.58);
}

.student-recent-grid span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.student-recent-grid strong {
  display: block;
  margin-top: 6px;
  color: var(--green-dark);
  font-size: 18px;
}

.student-home-queue .compact-home-card {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 252px;
}

.teacher-home-layout,
.teacher-home-queue {
  display: grid;
  gap: 16px;
}

.teacher-home-layout {
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  margin-top: 18px;
}

.teacher-home-queue {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 16px;
}

.teacher-focus-card,
.teacher-action-card {
  border: 1px solid var(--line);
  border-radius: 26px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.76);
}

.teacher-focus-card {
  display: grid;
  gap: 12px;
  align-content: start;
  background:
    radial-gradient(circle at 15% 18%, rgba(196, 141, 62, 0.18), transparent 28%),
    linear-gradient(145deg, rgba(31, 111, 88, 0.14), rgba(255, 255, 255, 0.88));
}

.teacher-focus-card h3 {
  margin: 0;
  color: var(--green-dark);
  font-size: clamp(26px, 3.2vw, 42px);
  line-height: 1.15;
}

.teacher-action-card h3 {
  margin-top: 0;
}

.teacher-action-list {
  display: grid;
  gap: 10px;
}

.teacher-action-btn {
  display: grid;
  gap: 4px;
  width: 100%;
  border: 1px solid rgba(31, 111, 88, 0.16);
  border-radius: 18px;
  padding: 14px 16px;
  color: inherit;
  background: rgba(247, 244, 232, 0.72);
  text-align: left;
  font: inherit;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.teacher-action-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(196, 141, 62, 0.5);
  background: rgba(255, 255, 255, 0.92);
}

.teacher-action-btn span {
  color: var(--green-dark);
  font-weight: 900;
}

.teacher-action-btn small {
  color: var(--muted);
  line-height: 1.5;
}

.compact-home-card {
  padding: 16px;
}

.small-btn {
  padding: 8px 12px;
  font-size: 13px;
  box-shadow: none;
}

.notice {
  margin-top: 16px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.side-panel {
  display: grid;
  align-content: start;
  gap: 10px;
}

.muted-tab {
  color: var(--muted);
}

.pill,
.risk-badge {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
}

.pill {
  color: var(--green-dark);
  background: rgba(31, 111, 88, 0.12);
}

.pill.neutral {
  color: var(--muted);
  background: rgba(99, 112, 107, 0.12);
}

.pill.success {
  color: var(--green-dark);
  background: rgba(31, 111, 88, 0.16);
}

.pill.warn {
  color: #8d3e25;
  background: rgba(184, 95, 66, 0.15);
}

.risk-badge {
  color: #fff;
  background: var(--muted);
}

.risk-badge.high {
  background: #a84532;
}

.risk-badge.medium {
  background: var(--gold);
}

.risk-badge.low {
  background: var(--green);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 42px;
  margin-bottom: 14px;
}

.tag-cloud span,
.rubric-list span {
  display: inline-flex;
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--green-dark);
  background: rgba(31, 111, 88, 0.12);
  font-size: 13px;
  font-weight: 900;
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.structured-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
}

.structured-table th,
.structured-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.55;
}

.structured-table th {
  color: var(--green-dark);
  background: rgba(31, 111, 88, 0.12);
}

.structured-table tr:last-child td {
  border-bottom: 0;
}

.choice-row {
  margin: 18px 0;
}

.choice-btn {
  width: auto;
  min-width: 130px;
  text-align: center;
}

.risk-meter,
.feedback-copy,
.teacher-card,
.patient-card,
.chat-card,
.rubric-score-card,
.history-item {
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 18px;
  background: var(--surface-strong);
}

.patient-card {
  align-self: start;
}

.patient-avatar {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin-bottom: 14px;
  border-radius: 24px;
  color: #fff;
  background: linear-gradient(135deg, var(--clay), var(--gold));
  font-size: 24px;
  font-weight: 900;
  box-shadow: 0 14px 34px rgba(184, 95, 66, 0.2);
}

.mini-meter {
  margin-top: 18px;
}

.mini-meter span,
.history-stats span,
.stat-stack span,
.history-item span,
.rubric-score-card span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

.mini-meter strong,
.history-stats strong,
.stat-stack strong,
.history-score strong,
.rubric-score-card strong {
  display: block;
  margin-top: 6px;
  color: var(--green-dark);
  font-size: 28px;
}

.meter-track.compact {
  height: 10px;
  margin: 10px 0 0;
}

.asked-list {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.asked-list span {
  display: inline-flex;
  border-radius: 999px;
  padding: 7px 10px;
  font-size: 12px;
  font-weight: 900;
}

.asked-list .asked {
  color: var(--green-dark);
  background: rgba(31, 111, 88, 0.14);
}

.asked-list .missing {
  color: #8d3e25;
  background: rgba(184, 95, 66, 0.12);
}

.chat-card {
  display: grid;
  gap: 14px;
}

.chat-window {
  min-height: 280px;
  max-height: 430px;
  display: grid;
  align-content: start;
  gap: 10px;
  overflow-y: auto;
  padding: 16px;
  border-radius: 20px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.54), rgba(255, 255, 255, 0.54)),
    radial-gradient(circle at 12% 20%, rgba(198, 144, 59, 0.14), transparent 34%),
    radial-gradient(circle at 90% 10%, rgba(31, 111, 88, 0.12), transparent 32%);
}

.message {
  width: fit-content;
  max-width: min(76%, 620px);
  padding: 12px 14px;
  border-radius: 18px;
  line-height: 1.7;
  box-shadow: 0 10px 24px rgba(31, 56, 47, 0.08);
}

.message.patient {
  color: var(--green-dark);
  background: rgba(255, 255, 255, 0.84);
}

.message.student {
  justify-self: end;
  color: #fff;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
}

.question-bank {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.question-bank-panel {
  border: 1px dashed rgba(31, 111, 88, 0.22);
  border-radius: 18px;
  padding: 12px 14px;
  background: rgba(31, 111, 88, 0.05);
}

.question-bank-panel summary {
  color: var(--green-dark);
  font-weight: 900;
  cursor: pointer;
}

.question-bank-panel[open] .question-bank {
  margin-top: 12px;
}

body[data-mode="exam"] .question-bank-panel {
  display: none;
}

.question-chip {
  border: 1px solid rgba(31, 111, 88, 0.2);
  border-radius: 999px;
  padding: 9px 12px;
  color: var(--green-dark);
  background: rgba(31, 111, 88, 0.08);
  font-size: 13px;
  font-weight: 900;
}

.custom-question {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.tcm-task-card {
  margin-top: 22px;
  border: 1px solid rgba(31, 111, 88, 0.16);
  border-radius: 24px;
  padding: 18px;
  background:
    radial-gradient(circle at top right, rgba(201, 136, 75, 0.12), transparent 32%),
    rgba(255, 255, 255, 0.62);
}

.dual-reasoning-section {
  margin-top: 22px;
  padding: 18px;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--line);
}

.dual-reasoning-canvas {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 12px;
}

.dual-track-card {
  padding: 16px;
  border-radius: 20px;
  border: 1px solid rgba(31, 111, 88, 0.14);
  background: rgba(255, 255, 255, 0.74);
}

.dual-track-card.western {
  background: linear-gradient(145deg, rgba(236, 244, 239, 0.92), rgba(255, 255, 255, 0.72));
}

.dual-track-card.tcm {
  background: linear-gradient(145deg, rgba(255, 248, 231, 0.94), rgba(255, 255, 255, 0.72));
}

.dual-track-card h4 {
  margin: 0 0 6px;
  color: var(--green-dark);
}

.dual-track-card p {
  margin: 0 0 10px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.6;
}

.dual-track-card ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.dual-track-card li {
  display: grid;
  gap: 3px;
  padding: 9px 10px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.7);
}

.dual-track-card li span {
  color: var(--accent);
  font-weight: 900;
  font-size: 0.82rem;
}

.dual-track-card li small {
  color: var(--ink-soft);
  line-height: 1.5;
}

.tcm-answer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.tcm-answer-grid label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 900;
}

.tcm-answer-grid label:last-child {
  grid-column: 1 / -1;
}

.tcm-answer-grid span {
  font-size: 13px;
  letter-spacing: 0.04em;
}

.tcm-answer-grid textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px 13px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.84);
  font: inherit;
  font-weight: 800;
}

.tcm-answer-grid textarea {
  resize: vertical;
  line-height: 1.6;
}

.explain-grid {
  display: grid;
  gap: 16px;
}

.muted-copy {
  color: var(--muted);
}

.contribution-chart {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.evidence-chain-card {
  display: grid;
  gap: 10px;
  border: 1px solid rgba(31, 111, 88, 0.16);
  border-radius: 18px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.72);
}

.evidence-chain-card.positive {
  border-color: rgba(196, 141, 62, 0.3);
  background:
    linear-gradient(145deg, rgba(196, 141, 62, 0.08), rgba(255, 255, 255, 0.76));
}

.evidence-chain-card.negative {
  border-color: rgba(31, 111, 88, 0.26);
  background:
    linear-gradient(145deg, rgba(31, 111, 88, 0.08), rgba(255, 255, 255, 0.76));
}

.evidence-chain-card.neutral {
  border-color: rgba(99, 112, 107, 0.18);
}

.evidence-chain-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.evidence-chain-head strong {
  color: var(--ink);
  font-size: 15px;
}

.evidence-chain-head span {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 5px 9px;
  color: var(--green-dark);
  background: rgba(31, 111, 88, 0.1);
  font-size: 12px;
  font-weight: 900;
}

.evidence-source,
.evidence-meaning {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
}

.evidence-source {
  color: rgba(13, 37, 32, 0.72);
}

.evidence-meaning {
  color: var(--muted);
}

.evidence-bar-container {
  height: 8px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 4px;
  overflow: hidden;
}

.evidence-bar {
  height: 100%;
  border-radius: 4px;
  transition: width 0.6s ease;
}

.evidence-bar.bar-positive {
  background: linear-gradient(90deg, rgba(196, 141, 62, 0.6), rgba(196, 141, 62, 0.9));
}

.evidence-bar.bar-negative {
  background: linear-gradient(90deg, rgba(31, 111, 88, 0.6), rgba(31, 111, 88, 0.9));
}

.model-figure-card img {
  display: block;
  width: 100%;
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.86);
}

.runtime-model-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.runtime-model-card {
  min-height: 92px;
  border: 1px solid rgba(31, 111, 88, 0.16);
  border-radius: 18px;
  padding: 14px;
  background:
    linear-gradient(145deg, rgba(31, 111, 88, 0.08), rgba(201, 136, 75, 0.08)),
    rgba(255, 255, 255, 0.76);
}

.runtime-model-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.runtime-model-card strong {
  display: block;
  margin-top: 10px;
  color: var(--ink);
  font-size: clamp(19px, 2vw, 28px);
  line-height: 1.15;
}

.model-note {
  margin: 12px 0 0;
  font-size: 13px;
}

.contribution-row {
  display: grid;
  grid-template-columns: minmax(210px, 0.58fr) minmax(140px, 0.72fr) 76px;
  gap: 12px;
  align-items: center;
}

.contribution-row span,
.contribution-row strong {
  font-size: 14px;
  font-weight: 900;
}

.evidence-label {
  display: grid;
  gap: 5px;
}

.evidence-label b {
  color: var(--ink);
  font-size: 15px;
}

.evidence-label small,
.evidence-label em {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
  font-weight: 700;
  line-height: 1.55;
}

.evidence-label small {
  color: rgba(13, 37, 32, 0.72);
}

.contribution-track {
  height: 16px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(99, 112, 107, 0.13);
}

.contribution-bar {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--gold), var(--clay));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.28);
}

.contribution-row.negative .contribution-bar {
  background: linear-gradient(90deg, #9bbf9d, var(--green));
}

.contribution-row.neutral .contribution-bar {
  background: linear-gradient(90deg, #d5c7a1, var(--gold));
}

.contribution-row.neutral strong {
  color: var(--clay);
}

.empty-chart {
  padding: 18px;
  border: 1px dashed rgba(31, 111, 88, 0.24);
  border-radius: 18px;
  color: var(--muted);
  background: rgba(31, 111, 88, 0.07);
  line-height: 1.7;
}

.meter-track {
  height: 14px;
  margin: 18px 0 10px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(99, 112, 107, 0.15);
}

.meter-bar {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--green), var(--gold), var(--clay));
  transition: width 0.35s ease;
}

.rubric-section {
  margin-top: 18px;
}

.rubric-source-note {
  margin-top: -4px;
  margin-bottom: 12px;
}

.section-title-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

.rubric-score-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.rubric-score-card {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.rubric-score-label {
  display: block;
  min-width: 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 900;
  line-height: 1.5;
  letter-spacing: 0;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.rubric-score-card strong {
  display: flex;
  align-items: baseline;
  gap: 4px;
  flex-wrap: wrap;
  margin-top: 0;
  line-height: 1.2;
}

.rubric-score-card .rubric-score-weight {
  color: var(--muted);
  font-size: 15px;
  font-weight: 800;
}

.rubric-score-card small {
  line-height: 1.6;
}

.rubric-score-card.total {
  border-color: rgba(196, 141, 62, 0.36);
  background:
    linear-gradient(145deg, rgba(196, 141, 62, 0.12), rgba(255, 255, 255, 0.82));
}

.rubric-score-card.total strong {
  font-size: 34px;
}

.rubric-score-card.empty {
  opacity: 0.72;
}

.score-track {
  height: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(99, 112, 107, 0.15);
}

.score-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--green), var(--gold));
}

.stat-stack {
  display: grid;
  gap: 12px;
}

.stat-stack div {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.stat-stack div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.stat-stack.compact strong {
  font-size: 24px;
}

.teacher-review-main {
  display: grid;
  grid-template-columns: minmax(240px, 0.75fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  align-items: stretch;
}

.review-summary-card {
  background: linear-gradient(145deg, rgba(31, 111, 88, 0.1), rgba(255, 255, 255, 0.88));
}

.teacher-details {
  margin-top: 18px;
  border: 1px solid rgba(31, 111, 88, 0.18);
  border-radius: 22px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.58);
}

.teacher-details summary {
  cursor: pointer;
  color: var(--green-dark);
  font-weight: 900;
  list-style-position: inside;
}

.teacher-details[open] summary {
  margin-bottom: 16px;
}

.review-details {
  background: rgba(247, 244, 232, 0.72);
}

.history-stats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 16px;
}

.history-timeline {
  display: grid;
  gap: 12px;
}

.history-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.history-item strong {
  display: block;
  margin-top: 4px;
  color: var(--green-dark);
  font-size: 20px;
}

.history-item p {
  margin: 6px 0 0;
  color: var(--muted);
}

.history-score {
  min-width: 92px;
  padding: 12px;
  border-radius: 18px;
  text-align: center;
}

.history-score.ok {
  background: rgba(31, 111, 88, 0.12);
}

.history-score.warn {
  background: rgba(184, 95, 66, 0.13);
}

.builder-form {
  display: grid;
  gap: 14px;
}

.builder-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 900;
}

.builder-preview {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.builder-preview p {
  margin: 0;
  color: var(--muted);
}

.class-list,
.exam-case-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.class-card {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px;
  text-align: left;
  color: var(--green-dark);
  background: rgba(255, 255, 255, 0.64);
}

.class-card.active {
  border-color: rgba(31, 111, 88, 0.32);
  background: rgba(31, 111, 88, 0.12);
}

.class-card strong,
.class-card span {
  display: block;
}

.class-card span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.class-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 14px 0;
}

.class-metrics div {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px;
  background: rgba(31, 111, 88, 0.07);
}

.class-metrics span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

.class-metrics strong {
  display: block;
  margin-top: 6px;
  color: var(--green-dark);
  font-size: 22px;
}

.compact-table {
  min-width: 560px;
}

.exam-case-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.exam-case-list span {
  border-radius: 16px;
  padding: 12px;
  color: var(--green-dark);
  background: rgba(31, 111, 88, 0.1);
  font-size: 13px;
  font-weight: 900;
}

.compact-notice {
  margin-top: 16px;
  box-shadow: none;
}

.teacher-card.wide {
  grid-column: 1 / -1;
}

.difference-grid,
.template-grid {
  display: grid;
  gap: 16px;
}

.template-panel {
  margin-top: 16px;
}

.inline-teacher-panel {
  margin-top: 16px;
  box-shadow: none;
}

.template-card {
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 18px;
  text-align: left;
  color: var(--green-dark);
  background:
    radial-gradient(circle at 12% 18%, rgba(198, 144, 59, 0.12), transparent 34%),
    rgba(255, 255, 255, 0.72);
}

.template-card strong,
.template-card span {
  display: block;
}

.template-card strong {
  font-size: 18px;
}

.template-card span {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.65;
}

.rubric-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  color: #24302d;
  line-height: 1.7;
  font-family: "SFMono-Regular", "Menlo", "Consolas", monospace;
}

@media (max-width: 1040px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: relative;
    top: 0;
    min-height: auto;
  }

  .app-nav,
  .dashboard-grid,
  .student-home-layout,
  .student-home-queue,
  .teacher-home-layout,
  .teacher-home-queue,
  .cases-grid,
  .interview-layout,
  .class-grid,
  .exam-grid,
  .feedback-grid,
  .reasoning-grid,
  .teacher-grid,
  .teacher-review-main,
  .explain-grid,
  .history-stats,
  .difference-grid,
  .template-grid,
  .builder-grid,
  .dual-reasoning-canvas,
  .rubric-score-grid {
    grid-template-columns: 1fr;
  }

  .class-metrics,
  .exam-case-list,
  .evidence-metrics-grid {
    grid-template-columns: 1fr;
  }

  .runtime-model-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  body {
    background:
      radial-gradient(circle at 20% 0%, rgba(198, 144, 59, 0.16), transparent 34%),
      radial-gradient(circle at 92% 4%, rgba(31, 111, 88, 0.18), transparent 34%),
      linear-gradient(160deg, #fbf4e7 0%, #edf4e8 62%, #fff8eb 100%);
  }

  .app-shell {
    gap: 10px;
    padding:
      max(10px, env(safe-area-inset-top))
      max(10px, env(safe-area-inset-right))
      max(16px, env(safe-area-inset-bottom))
      max(10px, env(safe-area-inset-left));
  }

  .login-card,
  .sidebar,
  .topbar,
  .panel,
  .hero-card {
    padding: 16px;
    border-radius: 20px;
  }

  .login-view {
    min-height: 100dvh;
    align-items: start;
    padding: max(18px, env(safe-area-inset-top)) 14px max(20px, env(safe-area-inset-bottom));
  }

  .login-card {
    margin-top: 8px;
    padding: 22px 18px;
  }

  .login-form input,
  .custom-question input,
  .builder-form input,
  textarea,
  select {
    min-height: 46px;
    border-radius: 14px;
    font-size: 16px;
  }

  .primary-btn,
  .secondary-btn,
  .ghost-btn,
  .login-form button {
    min-height: 44px;
    padding: 11px 14px;
  }

  .sidebar {
    gap: 12px;
    min-height: auto;
  }

  .brand-block {
    gap: 10px;
  }

  .brand-block strong {
    font-size: 18px;
  }

  .brand-block small {
    display: block;
    max-width: 12em;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .sidebar-note {
    display: none;
  }

  .app-nav {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 2px 2px 8px;
    margin: 0 -2px -6px;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
  }

  .app-nav::-webkit-scrollbar {
    display: none;
  }

  .nav-group {
    flex: 0 0 auto;
    flex-direction: row;
    gap: 8px;
    padding: 0;
    margin: 0;
    border-bottom: 0;
  }

  .nav-group-title {
    display: none;
  }

  .nav-item,
  .case-tab,
  .choice-btn,
  .flow-step {
    min-height: 42px;
    padding: 10px 12px;
    border-radius: 999px;
    white-space: nowrap;
    text-align: center;
    scroll-snap-align: start;
  }

  .nav-item.flow-nav {
    gap: 6px;
  }

  .step-badge {
    width: 1.25rem;
    height: 1.25rem;
    font-size: 0.72rem;
  }

  .topbar,
  .panel-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar-actions {
    width: 100%;
    align-items: center;
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 2px;
    -webkit-overflow-scrolling: touch;
  }

  .topbar-actions::-webkit-scrollbar {
    display: none;
  }

  h1 {
    font-size: 32px;
    letter-spacing: 0;
  }

  h2 {
    font-size: 26px;
    letter-spacing: 0;
  }

  h3 {
    font-size: 19px;
  }

  .topbar h1 {
    font-size: 28px;
    letter-spacing: 0;
  }

  .eyebrow {
    letter-spacing: 0.08em;
  }

  .student-focus-card,
  .student-path-card,
  .teacher-focus-card,
  .teacher-action-card {
    min-height: auto;
    padding: 18px;
    border-radius: 20px;
  }

  .student-focus-card h2,
  .teacher-focus-card h3 {
    font-size: 28px;
    letter-spacing: 0;
  }

  .student-home-queue .compact-home-card {
    min-height: auto;
  }

  .learning-path {
    grid-template-columns: repeat(5, minmax(96px, 1fr));
    overflow-x: auto;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }

  .learning-path span {
    min-width: 96px;
    justify-content: center;
    padding: 10px 12px;
    border-radius: 999px;
  }

  .learning-path span::before {
    width: 20px;
    height: 20px;
  }

  .hero-cta-row,
  .action-row,
  .next-row,
  .choice-row,
  .flow-row {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-cta-row > button,
  .action-row > button,
  .next-row > button,
  .choice-row > button,
  .flow-row > button {
    width: 100%;
  }

  .choice-row {
    gap: 8px;
  }

  .runtime-model-grid {
    grid-template-columns: 1fr;
  }

  .contribution-row {
    grid-template-columns: 1fr;
  }

  .custom-question,
  .history-item,
  .tcm-answer-grid {
    grid-template-columns: 1fr;
    display: grid;
  }

  .interview-layout {
    gap: 12px;
  }

  .patient-card,
  .chat-card,
  .teacher-card,
  .risk-meter,
  .feedback-copy,
  .rubric-score-card,
  .history-item {
    padding: 14px;
    border-radius: 18px;
  }

  .patient-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    column-gap: 12px;
    align-items: center;
  }

  .patient-avatar {
    width: 46px;
    height: 46px;
    margin-bottom: 0;
    border-radius: 16px;
    font-size: 18px;
  }

  .patient-card h3,
  .patient-card p {
    margin: 0;
  }

  .patient-card .mini-meter,
  .patient-card .asked-list {
    grid-column: 1 / -1;
  }

  .chat-window {
    min-height: 320px;
    max-height: 54dvh;
    padding: 12px;
    border-radius: 18px;
  }

  .message {
    max-width: 92%;
    padding: 11px 12px;
    border-radius: 16px;
  }

  .message.student {
    max-width: 88%;
  }

  .question-bank {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }

  .question-chip {
    flex: 0 0 auto;
    min-height: 40px;
    white-space: nowrap;
  }

  .custom-question {
    gap: 8px;
  }

  .custom-question button {
    width: 100%;
  }

  .section-title-row,
  .exam-task-head,
  .pending-review-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .exam-control-card,
  .exam-control-card.compact {
    align-items: stretch;
    flex-direction: column;
  }

  .exam-control-card button,
  .exam-task-actions button {
    width: 100%;
  }

  .exam-task-actions {
    justify-content: stretch;
  }

  .flow-footer {
    gap: 10px;
    padding: 12px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.56);
    border-color: var(--line);
  }

  .flow-footer-left,
  .flow-footer-right {
    width: 100%;
  }

  .flow-footer-right {
    flex-direction: column-reverse;
  }

  .flow-footer-right button {
    width: 100%;
  }

  .flow-indicator {
    width: 100%;
    text-align: center;
  }

  .rubric-score-grid,
  .detail-grid,
  .evidence-metrics-grid,
  .draft-summary-list {
    grid-template-columns: 1fr;
  }

  .rubric-source-note {
    font-size: 0.78rem;
  }

  .structured-table {
    min-width: 560px;
  }

  .modal-overlay {
    align-items: flex-end;
    padding: 12px;
  }

  .modal-card,
  .history-detail-body {
    max-height: calc(100dvh - 36px);
  }

  .modal-card {
    width: 100%;
    border-radius: 20px;
  }
}

/* === 新架构追加样式 v2 === */

/* 登录页账号块 */
.demo-note { line-height: 1.6; }
.demo-note strong { display: block; margin-bottom: 0.45rem; }
.account-line {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0.3rem 0;
  font-size: 0.88rem;
}
.account-line code {
  background: rgba(255,255,255,0.08);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.82rem;
}
.account-tag {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}
.account-tag.student {
  background: rgba(136, 176, 134, 0.22);
  color: #1f6f58;
}
.account-tag.teacher {
  background: rgba(196, 141, 62, 0.22);
  color: #8d3e25;
}
.note-small {
  margin-top: 0.5rem;
  font-size: 0.78rem;
  opacity: 0.7;
}

/* 侧栏分组 */
.nav-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-bottom: 0.5rem;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-group:last-of-type { border-bottom: none; }
.nav-group-title {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.55;
  padding: 0.5rem 0.75rem 0.25rem;
}
.nav-group.hidden { display: none; }

/* 步骤编号徽章 */
.nav-item.flow-nav {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 999px;
  background: rgba(136, 176, 134, 0.18);
  color: #1f6f58;
  font-size: 0.78rem;
  font-weight: 600;
  flex-shrink: 0;
}
.nav-item.flow-nav.active .step-badge {
  background: #88b086;
  color: #0e1410;
}

/* 流程底部步骤条 */
.flow-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 1.25rem;
  padding: 0.95rem 1.15rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  flex-wrap: wrap;
}
.flow-footer-left { flex: 1 1 auto; }
.flow-footer-right {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.flow-indicator {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: rgba(136, 176, 134, 0.15);
  color: #1f6f58;
  font-size: 0.85rem;
  font-weight: 500;
}

/* 工作台首页主CTA */
.hero-cta-row {
  display: flex;
  gap: 0.8rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}
.big-cta {
  padding: 0.85rem 1.8rem;
  font-size: 1rem;
}

/* 教师工作台快速入口卡片 */
.teacher-card.clickable {
  cursor: pointer;
  text-align: left;
  background: rgba(255,255,255,0.72);
  border: 1px solid var(--line);
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
  font: inherit;
  color: inherit;
}
.teacher-card.clickable:hover {
  transform: translateY(-2px);
  border-color: rgba(196, 141, 62, 0.5);
  background: rgba(255,255,255,0.9);
}
.section-subtitle {
  margin: 1.5rem 0 0.75rem;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* 关于本系统 modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 16, 12, 0.72);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 1.5rem;
}
.modal-overlay.hidden { display: none; }
.modal-card {
  background: #fffdf8;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.8rem;
  max-width: 920px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 24px 60px rgba(0,0,0,0.45);
}
.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.modal-head h2 { margin: 0.2rem 0 0; }
.modal-head .ghost-btn {
  font-size: 1.5rem;
  padding: 0.2rem 0.7rem;
  line-height: 1;
  color: var(--green-dark);
}
.about-safety {
  margin-top: 1.25rem;
  padding: 0.9rem 1.1rem;
  background: rgba(196, 141, 62, 0.1);
  border-left: 3px solid #c48d3e;
  border-radius: 8px;
  font-size: 0.9rem;
  line-height: 1.65;
}

/* 移动端 */
@media (max-width: 768px) {
  .flow-footer {
    flex-direction: column;
    align-items: stretch;
  }
  .flow-footer-right { justify-content: flex-end; }
  .modal-card { padding: 1.25rem; }
}

/* === 第二轮追加:考试模式/学生点击/教师端mock/历史详情 === */

/* 学生端 考试任务卡片 */
.exam-tasks-panel { margin-top: 1.25rem; }
.exam-task-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-top: 1rem;
}

.exam-task-list.compact {
  margin-top: 0;
}

.exam-task-card {
  padding: 1rem 1.2rem;
  background: rgba(196, 141, 62, 0.06);
  border: 1px solid rgba(196, 141, 62, 0.22);
  border-radius: 12px;
}

.exam-task-card.compact {
  display: grid;
  gap: 6px;
  padding: 0.85rem 0.95rem;
  background: rgba(255, 255, 255, 0.68);
}

.exam-task-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 0.4rem;
}
.exam-task-head strong { font-size: 1.02rem; }
.exam-task-actions {
  margin-top: 0.2rem;
  display: flex;
  justify-content: flex-end;
}

/* 考试模式 Banner 与锁定遮罩 */
.exam-banner {
  background: rgba(196, 141, 62, 0.12);
  border: 1px solid rgba(196, 141, 62, 0.35);
  border-radius: 12px;
  padding: 0.85rem 1.1rem;
  margin-bottom: 1rem;
  font-size: 0.92rem;
  line-height: 1.6;
}
.exam-banner strong { color: #8d3e25; }
.exam-countdown {
  display: inline-block;
  margin: 0 0.45rem;
  padding: 0.1rem 0.6rem;
  border-radius: 999px;
  background: rgba(184, 95, 66, 0.15);
  color: #8d3e25;
  font-weight: 900;
}
.link-btn {
  background: none;
  border: none;
  color: #8d3e25;
  text-decoration: underline;
  cursor: pointer;
  padding: 0 0.2rem;
  font: inherit;
}
.exam-lock-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 16, 12, 0.85);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  z-index: 5;
}
.exam-lock-card {
  max-width: 420px;
  padding: 1.4rem 1.6rem;
  background: #fffdf8;
  border: 1px solid rgba(196, 141, 62, 0.35);
  border-radius: 14px;
  text-align: center;
}
.exam-lock-card strong {
  display: block;
  color: #8d3e25;
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}
.exam-lock-card p { margin: 0.5rem 0 1rem; font-size: 0.9rem; opacity: 0.88; }
.page-view { position: relative; }

/* Mode 标签 */
.mode-tag {
  display: inline-block;
  padding: 0.12rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  margin-right: 0.4rem;
}
.mode-tag.practice {
  background: rgba(136, 176, 134, 0.18);
  color: #1f6f58;
}
.mode-tag.exam {
  background: rgba(196, 141, 62, 0.22);
  color: #8d3e25;
}
.exam-title-inline {
  font-size: 0.78rem;
  opacity: 0.75;
  margin-right: 0.4rem;
}

/* 历史记录条目头 */
.history-item.clickable {
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.history-item.clickable:hover {
  transform: translateY(-1px);
  border-color: rgba(196, 141, 62, 0.4);
}
.history-item-head {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.2rem;
  font-size: 0.82rem;
  opacity: 0.9;
}

/* 教师工作台 · 待复盘列表 */
.exam-control-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 0.8rem;
  margin: 0.5rem 0 1rem;
}

.exam-control-list.compact {
  grid-template-columns: 1fr;
  margin: 0;
}

.exam-control-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: rgba(255,255,255,0.74);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.9rem 1rem;
}
.exam-control-card p {
  margin: 0.15rem 0;
  font-size: 0.82rem;
}
.exam-control-card button {
  white-space: nowrap;
}

.exam-control-card.compact {
  align-items: flex-start;
  padding: 0.8rem 0.9rem;
}

.exam-control-card.compact button {
  padding: 9px 12px;
  box-shadow: none;
  font-size: 13px;
}

.syndrome-heatmap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 10px;
}

.heatmap-cell {
  --heat: 0.35;
  display: grid;
  gap: 4px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(196, 141, 62, calc(0.18 + var(--heat) * 0.42));
  background:
    linear-gradient(135deg, rgba(196, 141, 62, calc(0.08 + var(--heat) * 0.28)), rgba(255, 255, 255, 0.76)),
    rgba(255, 255, 255, 0.7);
}

.heatmap-cell strong {
  color: var(--green-dark);
}

.heatmap-cell span {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--accent);
}

.heatmap-cell small {
  color: var(--ink-soft);
}

.pending-review-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.8rem;
  margin: 0.5rem 0 1rem;
}

.pending-review-list.compact {
  grid-template-columns: 1fr;
  margin: 0;
}

.pending-review-card {
  text-align: left;
  background: rgba(255,255,255,0.74);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  cursor: pointer;
  font: inherit;
  color: inherit;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.pending-review-card:hover {
  transform: translateY(-2px);
  border-color: rgba(196, 141, 62, 0.5);
}
.pending-review-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.3rem;
}
.pending-review-card p { margin: 0.15rem 0; font-size: 0.82rem; }

.pending-review-card.compact {
  padding: 0.8rem 0.9rem;
}

.compact-empty {
  padding: 12px 14px;
  border-radius: 14px;
  font-size: 13px;
}

/* 班级管理 · 学生表格可点击行 */
tr.clickable-row {
  cursor: pointer;
  transition: background 0.15s ease;
}
tr.clickable-row:hover {
  background: rgba(196, 141, 62, 0.08);
}
.compact-note {
  font-size: 0.82rem;
  opacity: 0.75;
  margin: 0.3rem 0 0.6rem;
}

/* 教学复盘 · 学生选择器 */
.review-selector {
  margin-bottom: 1rem;
  padding: 0.95rem 1.15rem;
  background: rgba(255,255,255,0.72);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.review-selector label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.selector-label {
  font-size: 0.82rem;
  opacity: 0.75;
  letter-spacing: 0.04em;
}
.review-selector select {
  width: 100%;
  padding: 0.55rem 0.7rem;
  background: rgba(255,255,255,0.95);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
}

/* 历史详情弹窗 */
.history-detail-body { display: flex; flex-direction: column; gap: 0.8rem; }
.history-detail-body h3 {
  margin: 0.6rem 0 0.3rem;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}
.detail-head-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.82rem;
}
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.6rem;
}
.detail-block {
  padding: 0.55rem 0.75rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.detail-label { font-size: 0.75rem; opacity: 0.7; }
.detail-block strong { font-size: 0.95rem; }
.text-ok { color: #88b086; }
.text-warn { color: #c48d3e; }
.detail-case-text {
  padding: 0.75rem 0.9rem;
  background: rgba(255,255,255,0.92);
  border-radius: 8px;
  white-space: pre-wrap;
  font-family: inherit;
  font-size: 0.85rem;
  line-height: 1.55;
  margin: 0;
}
.compact-list {
  list-style: disc;
  padding-left: 1.2rem;
  margin: 0.2rem 0;
  font-size: 0.85rem;
}
.compact-list li { margin: 0.15rem 0; }
.rubric-cell {
  padding: 0.5rem 0.7rem;
  background: rgba(136, 176, 134, 0.1);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.rubric-cell .rubric-score-label { font-size: 0.75rem; opacity: 0.75; }
.rubric-cell strong { font-size: 0.95rem; color: var(--green-dark); }

.draft-summary-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.8rem;
  margin-bottom: 1rem;
}
.draft-summary-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.8rem 0.95rem;
  background: rgba(255, 255, 255, 0.76);
}
.draft-summary-card strong {
  display: block;
  color: var(--green-dark);
  margin-bottom: 0.2rem;
}
.draft-summary-card p {
  margin: 0.15rem 0;
}

.evidence-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.case-study-list {
  display: grid;
  gap: 0.8rem;
}

.case-study-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.8rem 0.95rem;
  background: rgba(255, 255, 255, 0.74);
}

.case-study-item strong {
  display: block;
  color: var(--green-dark);
  margin-bottom: 0.25rem;
}

.case-study-item p {
  margin: 0.2rem 0;
}

/* Final mobile app polish: keep these overrides after late-added feature styles. */
@media (max-width: 640px) {
  .app-shell {
    display: block;
    padding:
      env(safe-area-inset-top)
      max(10px, env(safe-area-inset-right))
      max(18px, env(safe-area-inset-bottom))
      max(10px, env(safe-area-inset-left));
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 40;
    display: grid;
    gap: 8px;
    margin: 0 -10px 10px;
    padding: 10px 10px 8px;
    border-top: 0;
    border-right: 0;
    border-left: 0;
    border-radius: 0 0 18px 18px;
    background: rgba(255, 252, 244, 0.96);
    box-shadow: 0 10px 28px rgba(31, 56, 47, 0.12);
    backdrop-filter: blur(18px);
  }

  .brand-block {
    min-height: 30px;
    padding: 0 2px;
  }

  .brand-dot {
    width: 10px;
    height: 10px;
    box-shadow: 0 0 0 6px rgba(184, 95, 66, 0.12);
  }

  .brand-block strong {
    font-size: 17px;
    line-height: 1.1;
  }

  .brand-block small {
    display: none;
  }

  .app-nav {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 0 2px 4px;
    margin: 0 -2px;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
  }

  .app-nav::-webkit-scrollbar,
  .topbar-actions::-webkit-scrollbar,
  .learning-path::-webkit-scrollbar,
  .question-bank::-webkit-scrollbar {
    display: none;
  }

  .nav-group {
    flex: 0 0 auto;
    flex-direction: row;
    gap: 8px;
    padding: 0;
    margin: 0;
    border-bottom: 0;
  }

  .nav-group-title,
  .sidebar-note {
    display: none;
  }

  .nav-item,
  .case-tab,
  .choice-btn,
  .flow-step {
    min-height: 38px;
    padding: 8px 11px;
    border-radius: 999px;
    font-size: 13px;
    white-space: nowrap;
    text-align: center;
    scroll-snap-align: start;
  }

  .step-badge {
    width: 18px;
    height: 18px;
    font-size: 11px;
  }

  .main-app {
    padding-bottom: 0;
  }

  .page-view.active {
    padding-bottom: 108px;
  }

  .topbar {
    margin: 0 0 10px;
    padding: 8px 4px 4px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
  }

  .topbar .eyebrow {
    display: none;
  }

  .topbar h1 {
    font-size: 24px;
    line-height: 1.15;
  }

  .topbar-actions {
    width: 100%;
    align-items: center;
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 2px;
    -webkit-overflow-scrolling: touch;
  }

  #sessionStatus {
    display: none;
  }

  .topbar-actions .ghost-btn {
    min-height: 34px;
    padding: 7px 10px;
    font-size: 12px;
    box-shadow: none;
  }

  .panel,
  .hero-card,
  .notice {
    border-radius: 18px;
    padding: 14px;
    box-shadow: 0 12px 30px rgba(31, 56, 47, 0.1);
  }

  .panel-head {
    gap: 8px;
    margin-bottom: 12px;
  }

  .panel-actions {
    width: 100%;
    gap: 6px;
  }

  .panel-actions .pill {
    min-height: 28px;
    padding: 5px 9px;
    font-size: 12px;
  }

  .hero-cta-row,
  .action-row,
  .next-row,
  .choice-row,
  .flow-row,
  .flow-footer-right {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-cta-row > button,
  .action-row > button,
  .next-row > button,
  .choice-row > button,
  .flow-row > button,
  .flow-footer-right > button {
    width: 100%;
  }

  .flow-footer {
    position: sticky;
    bottom: max(8px, env(safe-area-inset-bottom));
    z-index: 35;
    gap: 10px;
    padding: 12px;
    border-radius: 18px;
    margin: 14px 0 0;
    background: rgba(255, 252, 244, 0.94);
    border-color: var(--line);
    box-shadow: 0 18px 42px rgba(31, 56, 47, 0.18);
    backdrop-filter: blur(18px);
  }

  .flow-footer-left,
  .flow-footer-right,
  .flow-indicator {
    width: 100%;
  }

  .flow-indicator {
    text-align: center;
  }

  .learning-path,
  .question-bank {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .learning-path {
    display: flex;
    gap: 8px;
  }

  .learning-path span {
    flex: 0 0 auto;
    min-width: auto;
    padding: 9px 11px;
    font-size: 13px;
  }

  .question-bank {
    flex-wrap: nowrap;
    padding-bottom: 4px;
  }

  .question-chip {
    flex: 0 0 auto;
    min-height: 40px;
    white-space: nowrap;
  }

  .section-title-row,
  .exam-task-head,
  .pending-review-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .exam-control-card,
  .exam-control-card.compact {
    align-items: stretch;
    flex-direction: column;
  }

  .exam-control-card button,
  .exam-task-actions button {
    width: 100%;
  }

  .exam-task-actions {
    justify-content: stretch;
  }

  .modal-overlay {
    align-items: flex-end;
    padding: 12px;
  }

  .modal-card {
    width: 100%;
    max-height: calc(100dvh - 36px);
    border-radius: 20px;
  }

  .rubric-score-grid,
  .detail-grid,
  .evidence-metrics-grid,
  .draft-summary-list {
    grid-template-columns: 1fr;
  }

  body[data-route="interview"] .topbar {
    display: none;
  }

  body[data-route="interview"] .app-shell {
    min-height: 100dvh;
    padding:
      max(8px, env(safe-area-inset-top))
      max(10px, env(safe-area-inset-right))
      max(10px, env(safe-area-inset-bottom))
      max(10px, env(safe-area-inset-left));
  }

  body[data-route="interview"] .sidebar {
    display: none;
  }

  body[data-route="interview"] .main-app {
    min-height: calc(100dvh - max(18px, env(safe-area-inset-top)) - max(18px, env(safe-area-inset-bottom)));
  }

  body[data-route="interview"] .page-view.active {
    min-height: inherit;
    padding-bottom: 82px;
  }

  body[data-route="interview"] .interview-panel {
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
  }

  body[data-route="interview"] .interview-panel > .panel-head {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    margin: 0 0 8px;
    padding: 6px 2px 8px;
    background:
      linear-gradient(180deg, rgba(251, 244, 231, 0.96), rgba(251, 244, 231, 0.82) 74%, rgba(251, 244, 231, 0));
    backdrop-filter: blur(14px);
  }

  body[data-route="interview"] .interview-panel h2 {
    font-size: 20px;
    line-height: 1.2;
  }

  body[data-route="interview"] .interview-panel .eyebrow {
    display: none;
  }

  body[data-route="interview"] .panel-actions {
    width: auto;
    margin-left: auto;
    flex: 0 0 auto;
    justify-content: flex-end;
  }

  body[data-route="interview"] .panel-actions #patientApiStatus {
    display: none;
  }

  body[data-route="interview"] .panel-actions .pill {
    min-height: 28px;
    padding: 5px 10px;
    font-size: 12px;
  }

  body[data-route="interview"] .interview-layout {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  body[data-route="interview"] .patient-card {
    grid-template-columns: 36px minmax(0, 1fr);
    padding: 10px 12px;
    border-radius: 14px;
    background: rgba(255, 252, 244, 0.88);
    box-shadow: none;
  }

  body[data-route="interview"] .patient-avatar {
    width: 36px;
    height: 36px;
    border-radius: 13px;
    font-size: 16px;
  }

  body[data-route="interview"] .patient-card h3 {
    font-size: 16px;
    line-height: 1.25;
  }

  body[data-route="interview"] #patientIntro {
    display: -webkit-box;
    overflow: hidden;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    font-size: 12px;
    line-height: 1.45;
  }

  body[data-route="interview"] .chat-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  body[data-route="interview"] .chat-window {
    height: calc(100dvh - 254px);
    min-height: 330px;
    max-height: none;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background:
      linear-gradient(rgba(255, 255, 255, 0.58), rgba(255, 255, 255, 0.58)),
      radial-gradient(circle at 18% 16%, rgba(198, 144, 59, 0.12), transparent 34%),
      radial-gradient(circle at 92% 4%, rgba(31, 111, 88, 0.1), transparent 32%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
  }

  body[data-route="interview"] .message {
    max-width: 88%;
    font-size: 15px;
    line-height: 1.6;
  }

  body[data-route="interview"] .message.patient {
    border-bottom-left-radius: 6px;
  }

  body[data-route="interview"] .message.student {
    border-bottom-right-radius: 6px;
  }

  body[data-route="interview"] .question-bank-panel {
    padding: 9px 10px;
    border-radius: 14px;
  }

  body[data-route="interview"] .question-bank-panel summary {
    font-size: 13px;
  }

  body[data-route="interview"] .question-chip {
    min-height: 36px;
    padding: 8px 10px;
    font-size: 12px;
  }

  body[data-route="interview"] .custom-question {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 82px;
    gap: 8px;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 252, 244, 0.9);
    box-shadow: 0 12px 26px rgba(31, 56, 47, 0.1);
  }

  body[data-route="interview"] .custom-question input {
    min-height: 42px;
    padding: 10px 12px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.86);
  }

  body[data-route="interview"] .custom-question button {
    width: auto;
    min-height: 42px;
    padding: 9px 10px;
    border-radius: 14px;
    font-size: 13px;
  }

  body[data-route="interview"] .flow-footer {
    position: fixed;
    left: max(10px, env(safe-area-inset-left));
    right: max(10px, env(safe-area-inset-right));
    bottom: max(8px, env(safe-area-inset-bottom));
    display: block;
    padding: 8px;
    border-radius: 18px;
  }

  body[data-route="interview"] .flow-indicator {
    display: none;
  }

  body[data-route="interview"] .flow-footer-right {
    display: grid;
    grid-template-columns: 0.82fr 1fr;
    gap: 8px;
  }

  body[data-route="interview"] .flow-footer-right button {
    min-height: 44px;
    padding: 10px;
    border-radius: 14px;
    font-size: 14px;
  }
}

/* Mobile app layout pass for all non-chat pages. */
@media (max-width: 640px) {
  body:not([data-route="interview"]) .app-shell {
    display: block;
    padding:
      max(8px, env(safe-area-inset-top))
      max(10px, env(safe-area-inset-right))
      max(18px, env(safe-area-inset-bottom))
      max(10px, env(safe-area-inset-left));
  }

  body:not([data-route="interview"]) .sidebar {
    position: sticky;
    top: 0;
    z-index: 40;
    margin: 0 -10px 10px;
    padding: 10px 10px 8px;
    border-top: 0;
    border-right: 0;
    border-left: 0;
    border-radius: 0 0 18px 18px;
    background: rgba(255, 252, 244, 0.96);
    box-shadow: 0 10px 28px rgba(31, 56, 47, 0.12);
    backdrop-filter: blur(18px);
  }

  body:not([data-route="interview"]) .brand-block {
    min-height: 30px;
    padding: 0 2px;
  }

  body:not([data-route="interview"]) .brand-dot {
    width: 10px;
    height: 10px;
    box-shadow: 0 0 0 6px rgba(184, 95, 66, 0.12);
  }

  body:not([data-route="interview"]) .brand-block strong {
    font-size: 17px;
    line-height: 1.1;
  }

  body:not([data-route="interview"]) .brand-block small {
    display: none;
  }

  body:not([data-route="interview"]) .main-app {
    min-width: 0;
  }

  body:not([data-route="interview"]) .page-view.active {
    padding-bottom: 12px;
  }

  body:not([data-route="interview"]) .topbar {
    display: flex;
    flex-direction: row;
    align-items: center;
    margin: 0 0 10px;
    padding: 8px 2px 6px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
  }

  body:not([data-route="interview"]) .topbar > div:first-child {
    min-width: 0;
    flex: 1 1 auto;
  }

  body:not([data-route="interview"]) .topbar .eyebrow {
    display: none;
  }

  body:not([data-route="interview"]) .topbar h1 {
    overflow: hidden;
    margin: 0;
    font-size: 23px;
    line-height: 1.2;
    letter-spacing: 0;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  body:not([data-route="interview"]) .topbar-actions {
    width: auto;
    flex: 0 0 auto;
    gap: 6px;
    overflow: visible;
  }

  body:not([data-route="interview"]) .topbar-actions .ghost-btn {
    min-height: 32px;
    padding: 6px 9px;
    font-size: 12px;
  }

  body:not([data-route="interview"]) #aboutBtn {
    display: none;
  }

  .student-focus-card {
    padding: 18px;
    border-radius: 20px;
    min-height: auto;
  }

  .student-focus-card .eyebrow,
  .teacher-focus-card .eyebrow {
    display: none;
  }

  .student-focus-card h2 {
    font-size: 30px;
    line-height: 1.12;
  }

  .student-focus-card p {
    margin: 0;
  }

  .student-focus-card #studentPrimaryMeta {
    font-size: 14px;
    line-height: 1.65;
  }

  .student-focus-card #studentPrimaryHint {
    display: none;
  }

  .student-path-card {
    padding: 14px;
    border-radius: 18px;
  }

  .student-path-card h3,
  .teacher-action-card h3,
  .compact-home-card h3 {
    font-size: 18px;
  }

  .student-home-layout,
  .student-home-queue,
  .teacher-home-layout,
  .teacher-home-queue {
    gap: 10px;
  }

  .student-home-queue,
  .teacher-home-queue {
    margin-top: 10px;
  }

  .compact-home-card,
  .teacher-focus-card,
  .teacher-action-card {
    padding: 14px;
    border-radius: 18px;
  }

  .student-recent-grid {
    grid-template-columns: 1fr;
  }

  .student-recent-grid div,
  .class-metrics div,
  .detail-block {
    border-radius: 12px;
    padding: 10px 12px;
  }

  .side-panel {
    padding: 10px;
    border-radius: 18px;
  }

  .side-panel .eyebrow,
  .side-panel h2 {
    display: none;
  }

  .cases-grid .side-panel {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .cases-grid .side-panel::-webkit-scrollbar {
    display: none;
  }

  .case-tab {
    flex: 0 0 auto;
    min-height: 38px;
    border-radius: 999px;
    padding: 8px 12px;
    font-size: 13px;
  }

  .case-input-label {
    font-size: 13px;
  }

  #caseInput {
    min-height: 210px;
    max-height: 42dvh;
    font-size: 14px;
    line-height: 1.65;
  }

  .judgement-panel .prompt,
  .feedback-panel > .prompt,
  .panel > .prompt {
    font-size: 14px;
    line-height: 1.65;
  }

  .choice-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .choice-row .choice-btn {
    width: 100%;
    min-width: 0;
    min-height: 44px;
    padding: 9px 8px;
    border-radius: 14px;
  }

  .tcm-task-card {
    margin-top: 14px;
    padding: 14px;
    border-radius: 18px;
  }

  .tcm-task-card .muted-copy {
    font-size: 13px;
    line-height: 1.6;
  }

  .tcm-answer-grid {
    gap: 10px;
  }

  .tcm-answer-grid textarea {
    min-height: 86px;
  }

  .feedback-grid,
  .reasoning-grid,
  .explain-grid,
  .teacher-review-main,
  .teacher-grid,
  .class-grid,
  .exam-grid,
  .builder-grid {
    gap: 10px;
  }

  .risk-meter strong,
  .history-stats strong,
  .stat-stack strong,
  .rubric-score-card strong {
    font-size: 24px;
  }

  .reasoning-grid h3,
  .dual-reasoning-section h3,
  .rubric-section h3,
  .explain-grid h3,
  .teacher-card h3 {
    font-size: 18px;
  }

  .dual-reasoning-section,
  .rubric-section {
    margin-top: 16px;
  }

  .evidence-card,
  .explain-card,
  .teacher-card,
  .risk-meter,
  .feedback-copy,
  .rubric-score-card,
  .history-item {
    border-radius: 16px;
  }

  .contribution-chart {
    gap: 8px;
  }

  .contribution-card {
    padding: 12px;
    border-radius: 14px;
  }

  .history-stats,
  .class-metrics {
    gap: 8px;
  }

  .history-item {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .history-score {
    justify-self: stretch;
    text-align: center;
  }

  .teacher-action-list,
  .pending-review-list,
  .exam-control-list,
  .exam-task-list {
    gap: 8px;
  }

  .teacher-action-btn,
  .pending-review-card,
  .exam-control-card,
  .exam-task-card {
    border-radius: 14px;
    padding: 12px;
  }

  .review-selector {
    padding: 12px;
    border-radius: 14px;
  }

  .teacher-details summary {
    padding: 12px;
    border-radius: 14px;
    background: rgba(31, 111, 88, 0.08);
    color: var(--green-dark);
    font-weight: 900;
  }

  .builder-form {
    gap: 12px;
  }

  .exam-case-list {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }

  .exam-case-list span {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .flow-footer:not(:has(.flow-footer-right button:nth-child(3))) .flow-footer-right {
    display: grid;
    grid-template-columns: 0.88fr 1fr;
    gap: 8px;
  }

  .flow-footer .flow-footer-right button {
    min-height: 44px;
    border-radius: 14px;
    font-size: 14px;
  }
}