:root {
  --bg-page: #f4f6f9;
  --bg-card: #ffffff;
  --border-subtle: #d8e2ec;
  --text-main: #102a43;
  --text-muted: #829ab1;
  --accent-primary: #124f6e;
  --accent-secondary: #2cb1a1;
  --accent-human: #e3a530;
  /* 分组颜色 */
  --category-closed: #124f6e;
  --category-medical-opensource: #2cb1a1;
  --category-opensource: #5b8def;
  --category-junior: #e3a530;
  --category-trainee: #f59e0b;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-pill: 999px;
  --shadow-soft: 0 14px 35px rgba(15, 61, 94, 0.12);
  --font-base: 14px;
  --font-title: 18px;
  --font-small: 12px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: radial-gradient(circle at top left, #eef3fb 0, #f4f6f9 40%, #f7f5f2 100%);
  color: var(--text-main);
}

body {
  min-height: 100vh;
  padding: 24px 16px 32px;
  display: flex;
  justify-content: center;
  font-size: var(--font-base);
  line-height: 1.6;
}

.page {
  width: 100%;
  max-width: 1200px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 24px;
  padding: 26px 28px 22px;
  border-radius: 22px;
  background: linear-gradient(135deg, #0f3d5e, #09172b);
  color: #f7fafc;
  box-shadow: var(--shadow-soft);
  margin-bottom: 16px;
}

.hero-kicker {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(208, 226, 245, 0.9);
  margin-bottom: 6px;
}

.hero-main h1 {
  margin: 0 0 10px;
  font-size: 30px;
  line-height: 1.3;
}

.hero-main p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(226, 240, 255, 0.92);
  max-width: 720px;
}

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

.hero-tags .lang-block {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* 让 ENDOSCOPY VQA 单独一行，Q1-Q5 换行显示 */
.hero-tags .lang-block::before {
  content: '';
  flex-basis: 100%;
  height: 0;
  order: 0;
}

.hero-tags .lang-block .tag--primary {
  order: -1;
}

.hero-tags .lang-block .tag:not(.tag--primary) {
  order: 1;
}

.tag {
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid rgba(163, 197, 232, 0.7);
  background: rgba(6, 22, 38, 0.75);
  color: rgba(222, 234, 248, 0.95);
}

.tag--primary {
  background: rgba(44, 177, 161, 0.18);
  border-color: rgba(44, 177, 161, 0.8);
}

.surface-main .tag--primary {
  color: #0f172a;
}

.is-hidden {
  display: none !important;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  font-size: 12px;
}

.stat-card {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(3, 19, 33, 0.9);
  border: 1px solid rgba(148, 182, 217, 0.45);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.stat-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(197, 215, 236, 0.92);
}

.stat-value {
  font-size: 26px;
  font-weight: 700;
  display: flex;
  gap: 6px;
  align-items: flex-end;
}

.stat-sub {
  font-size: 11px;
  color: rgba(167, 190, 218, 0.92);
}

.header-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}

.lang-toggle {
  display: inline-flex;
  gap: 6px;
  align-items: center;
}

.lang-btn {
  border: 1px solid var(--border-subtle);
  background: #fff;
  color: var(--text-main);
  padding: 6px 10px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 12px;
}

.lang-btn.is-active {
  background: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
}

.lang-btn:hover {
  box-shadow: 0 6px 14px rgba(18, 79, 110, 0.18);
}

.tabs {
  display: inline-flex;
  background: rgba(244, 247, 252, 0.95);
  padding: 3px;
  border-radius: 999px;
  border: 1px solid rgba(154, 180, 212, 0.7);
  box-shadow: 0 10px 24px rgba(15, 61, 94, 0.12);
}

.tab-button {
  border: none;
  border-radius: 999px;
  padding: 6px 16px;
  background: transparent;
  color: var(--text-muted);
  font-size: 12px;
  display: inline-flex;
  gap: 6px;
  align-items: center;
  cursor: pointer;
}

.tab-button .en {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.tab-button.is-active {
  background: #ffffff;
  color: var(--accent-primary);
  box-shadow: 0 10px 24px rgba(15, 61, 94, 0.16);
}

.tab-button.is-active::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-secondary), var(--accent-primary));
}

.load-status {
  font-size: 11px;
  color: var(--text-muted);
  text-align: right;
  min-height: 14px;
}

.load-status.status-error {
  color: #d64545;
}

.surface-main {
  background: #ffffff;
  border-radius: 18px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  padding: 16px 16px 20px;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 12px;
}

.controls-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.controls-note {
  font-size: 11px;
  color: var(--text-muted);
}

.label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.pill-toggle {
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  padding: 4px 10px;
  background: rgba(18, 79, 110, 0.06);
  color: var(--text-muted);
  font-size: 11px;
  cursor: default;
}

.pill-toggle.is-active {
  background: #ffffff;
  border-color: rgba(18, 79, 110, 0.5);
  color: var(--accent-primary);
}

.select-wrap {
  position: relative;
}

.select {
  padding: 4px 24px 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  font-size: 12px;
  color: var(--text-main);
  appearance: none;
  min-width: 160px;
}

.select-wrap::after {
  content: "▾";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 10px;
  color: var(--text-muted);
  pointer-events: none;
}

.surface-main .card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 10px 10px 8px;
}

.card--paired {
  padding: 12px;
}

.paired-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.5fr) minmax(0, 0.7fr);
  gap: 12px;
  align-items: stretch;
}

/* 当 paired-grid 中只有一个 card-pane 时，让其铺满整个宽度 */
.paired-grid > .card-pane:only-child {
  grid-column: 1 / -1;
}

.card-pane {
  background: #f7fafc;
  border-radius: 14px;
  border: 1px solid var(--border-subtle);
  padding: 10px 12px 12px;
  height: 100%;
  box-shadow: 0 8px 20px rgba(15, 61, 94, 0.08);
}

.card-pane--summary {
  background: linear-gradient(180deg, #f9fbff, #f3f7fb);
}

.card-header {
  margin-bottom: 6px;
}

.card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-primary);
}

.card-subtitle {
  font-size: 11px;
  color: var(--text-muted);
}

.grid-two {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(0, 1.2fr);
  gap: 12px;
  margin-bottom: 12px;
}

.table-wrapper {
  max-height: 360px;
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

th,
td {
  padding: 6px 8px;
  border-bottom: 1px solid #e2e8f0;
}

th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-align: left;
}

tbody tr:nth-child(odd) td {
  background: #ffffff;
}

tbody tr:nth-child(even) td {
  background: #f8fafc;
}

tbody tr.is-selected td {
  background: #edf2ff;
}

.rank-cell {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--accent-primary);
  font-weight: 600;
}

.rank-pill {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, #f2c94c, #f2994a);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
}

.metric-value {
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

.metric-value.is-max {
  font-weight: 700;
}

.metric-sub {
  font-size: 10px;
  color: var(--text-muted);
}

.model-summary-metrics {
  font-size: 11px;
  color: var(--text-muted);
  display: grid;
  gap: 4px;
}

.model-summary-metrics div span.value {
  font-weight: 500;
  color: var(--accent-primary);
  font-variant-numeric: tabular-nums;
}

.subtabs {
  display: inline-flex;
  gap: 4px;
  padding: 2px;
  border-radius: 999px;
  border: 1px solid #cbd5e0;
  background: #f3f6fb;
  margin: 6px 0 8px;
}

.subtab-btn,
.hvm-subtab-btn {
  border: none;
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 11px;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
}

.subtab-btn.is-active,
.hvm-subtab-btn.is-active {
  background: #ffffff;
  color: var(--accent-primary);
}

.subtab-panel {
  display: none;
}

.subtab-panel.is-active {
  display: block;
}

.detail-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 8px 0 10px;
}

.detail-selected-tip {
  font-size: 11px;
  color: var(--text-muted);
}

.detail-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 11px;
  color: var(--text-muted);
}

.detail-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 3px 0;
}

.detail-name {
  flex: 1 1 auto;
  min-width: 0;
  margin-right: 8px;
}

.detail-metric {
  font-variant-numeric: tabular-nums;
  color: var(--accent-primary);
}

.bar-chart {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.bar-row {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) 1fr max-content;
  gap: 10px;
  align-items: center;
  padding: 2px 0;
}

.bar-label {
  font-size: 11px;
  color: var(--text-main);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bar-track {
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(
      90deg,
      transparent calc(50% - 0.5px),
      #cbd5e0 calc(50% - 0.5px),
      #cbd5e0 calc(50% + 0.5px),
      transparent calc(50% + 0.5px)
    ),
    #e2e8f0;
  position: relative;
  overflow: visible;
}

.bar-fill {
  position: absolute;
  inset: 0;
  transition: width 0.25s ease;
}

.bar-fill--primary {
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
}

.bar-fill--muted {
  background: linear-gradient(90deg, #9bbbd4, #6ca5c9);
}

.bar-error {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  height: 14px;
  pointer-events: none;
}

.bar-error__line {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  background: #2d3748;
  transform: translateY(-50%);
}

.bar-error__cap {
  position: absolute;
  width: 2px;
  height: 14px;
  background: #2d3748;
  top: 0;
}

.bar-error__cap--start {
  left: 0;
}

.bar-error__cap--end {
  right: 0;
}

.bar-fill--top {
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.4), 0 10px 20px rgba(18, 79, 110, 0.2);
}

.bar-value {
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  color: var(--accent-primary);
  font-weight: 600;
}

.detail-empty {
  font-size: 11px;
  color: var(--text-muted);
  padding: 4px 0;
}


.chart-legend {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #9bbbd4;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.legend-dot-primary {
  background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
}

.bar-scale {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 6px;
  letter-spacing: 0.04em;
}

.bar-scale span:first-child {
  text-align: left;
}

.bar-scale span:last-child {
  text-align: right;
}

.cards-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.summary-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-primary);
  margin-bottom: 4px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
}

.summary-bar-track {
  height: 6px;
  border-radius: 999px;
  background: #e2e8f0;
  position: relative;
  overflow: hidden;
  margin: 2px 0 4px;
}

.summary-bar {
  position: absolute;
  inset: 0;
  width: 0;
}

.summary-bar-human {
  background: linear-gradient(90deg, #f2c94c, #e3a530);
}

.summary-bar-model {
  background: linear-gradient(90deg, #5b8def, #124f6e);
}

.summary-note {
  font-size: 10px;
  color: var(--text-muted);
}

.case-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.case-placeholder {
  font-size: 11px;
  color: var(--text-muted);
  margin: 0;
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

.footer {
  margin-top: 12px;
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.footer a {
  color: var(--accent-primary);
  text-decoration: none;
  border-bottom: 1px dashed rgba(18, 79, 110, 0.6);
}

/* Typography scale overrides */
.hero-main h1,
.card-title,
.summary-title {
  font-size: var(--font-title);
}

.lang-btn,
.tab-button,
.load-status,
.label,
.controls-note,
.pill-toggle,
.select,
.card-subtitle,
.hero-stats,
.stat-label,
.stat-sub,
.table-wrapper,
table,
th,
td,
.model-summary-metrics,
.detail-selected-tip,
.detail-list,
.bar-label,
.bar-value,
.detail-empty,
.summary-row,
.summary-note,
.case-placeholder,
.footer {
  font-size: var(--font-base);
}

.tab-button .en,
.tag,
.metric-sub,
.select-wrap::after {
  font-size: var(--font-small);
}

@media (max-width: 1024px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .cards-row {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  body {
    padding: 18px 10px 26px;
  }

  .header-row {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ========== 分组色块 ========== */
.category-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin-right: 6px;
  flex-shrink: 0;
}
.category-dot--closed {
  background-color: var(--category-closed);
}
.category-dot--medical-opensource {
  background-color: var(--category-medical-opensource);
}
.category-dot--opensource {
  background-color: var(--category-opensource);
}
.category-dot--junior-endoscopist {
  background-color: var(--category-junior);
}
.category-dot--residency-trainee {
  background-color: var(--category-trainee);
}

/* ========== 样本量角标 ========== */
.sample-size {
  font-size: 10px;
  color: var(--text-muted);
  margin-left: 4px;
  font-weight: normal;
}

/* ========== 图例 ========== */
.category-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  padding: 8px 12px;
  background: rgba(244, 247, 252, 0.8);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}
.category-legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-muted);
}
.category-legend-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-main);
  margin-right: 4px;
}
.category-legend-separator {
  margin: 0 8px;
  color: var(--border-subtle);
}

/* ========== 条形图分组颜色 ========== */
.bar-fill--closed {
  background: linear-gradient(90deg, #124f6e, #1a6b94);
}
.bar-fill--medical-opensource {
  background: linear-gradient(90deg, #2cb1a1, #3ed4c0);
}
.bar-fill--opensource {
  background: linear-gradient(90deg, #5b8def, #7aa5f5);
}
.bar-fill--junior-endoscopist {
  background: linear-gradient(90deg, #e3a530, #f2c94c);
}
.bar-fill--residency-trainee {
  background: linear-gradient(90deg, #f59e0b, #fbbf24);
}

/* ========== 模型分类标签样式 ========== */
.tag--closed {
  background: rgba(18, 79, 110, 0.15);
  border-color: var(--category-closed);
  color: var(--category-closed);
}

.tag--medical-opensource {
  background: rgba(44, 177, 161, 0.15);
  border-color: var(--category-medical-opensource);
  color: #1a8a7d;
}

.tag--opensource {
  background: rgba(91, 141, 239, 0.15);
  border-color: var(--category-opensource);
  color: #4070d0;
}

.tag--junior-endoscopist {
  background: rgba(227, 165, 48, 0.15);
  border-color: var(--category-junior);
  color: #b8860b;
}

.tag--residency-trainee {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--category-trainee);
  color: #c27d0e;
}

/* 英文模式下标签字号稍小，保持视觉一致 */
html[lang="en"] .tag {
  font-size: 10px;
  letter-spacing: 0.05em;
}

/* ========== 表头固定 ========== */
.table-wrapper {
  position: relative;
}

.table-wrapper table thead {
  position: sticky;
  top: 0;
  z-index: 10;
}

.table-wrapper table thead th {
  background: #f7fafc;
  box-shadow: 0 1px 0 0 #e2e8f0;
}