/* ============================================================
   EsoLang-Bench — Nerfies-style academic project page
   Light/Dark theme support via CSS custom properties
   ============================================================ */

/* ---------- Theme Variables ---------- */
:root,
[data-theme="light"] {
  --bg-primary: #ffffff;
  --bg-secondary: #fafafa;
  --bg-tertiary: #f5f5f5;
  --text-primary: #363636;
  --text-secondary: #4a4a4a;
  --text-muted: #888888;
  --border-color: #e8e8ee;
  --surface: #ffffff;
  --surface-hover: #f9f9f9;
  --code-bg: #f5f5f5;
  --link-color: #3273dc;
  --link-hover: #2150a0;
  --shadow-sm: rgba(0,0,0,0.04);
  --shadow-md: rgba(0,0,0,0.08);
  --shadow-lg: rgba(0,0,0,0.12);
  --chart-text: #555;
  --chart-grid: #e8e8ee;
  --table-stripe: #fafafa;
  --table-hover: #f0f0f5;
  --banner-bg: #f8f8ff;
  --banner-border: #e0e0ee;
  --finding-bg: #ffffff;
  --tag-bg: #f0f0f0;
  --tag-text: #555;
  --logo-filter: none;
  --toggle-bg: #f0f0f0;
  --toggle-icon: #555;
}

[data-theme="dark"] {
  --bg-primary: #0f0f1a;
  --bg-secondary: #161625;
  --bg-tertiary: #1c1c30;
  --text-primary: #e8e8f0;
  --text-secondary: #b8b8c8;
  --text-muted: #777790;
  --border-color: #2a2a40;
  --surface: #1a1a2e;
  --surface-hover: #222240;
  --code-bg: #1e1e32;
  --link-color: #6ea8fe;
  --link-hover: #8ec4ff;
  --shadow-sm: rgba(0,0,0,0.2);
  --shadow-md: rgba(0,0,0,0.3);
  --shadow-lg: rgba(0,0,0,0.4);
  --chart-text: #b0b0c0;
  --chart-grid: #2a2a40;
  --table-stripe: #16162a;
  --table-hover: #222240;
  --banner-bg: #161628;
  --banner-border: #2a2a40;
  --finding-bg: #1a1a2e;
  --tag-bg: #2a2a40;
  --tag-text: #b0b0c0;
  --logo-filter: invert(1) brightness(1.8);
  --toggle-bg: #2a2a40;
  --toggle-icon: #e0e0e0;
}

/* ---------- Base ---------- */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

.section {
  background-color: var(--bg-primary);
  transition: background-color 0.3s ease;
}

.section:nth-child(even) {
  background-color: var(--bg-secondary);
}

a {
  color: var(--link-color);
}

a:hover {
  color: var(--link-hover);
}

.title, .subtitle {
  color: var(--text-primary) !important;
  transition: color 0.3s ease;
}

.subtitle {
  color: var(--text-secondary) !important;
}

.content p, .content li {
  color: var(--text-secondary);
}

[data-theme="dark"] .content strong,
[data-theme="dark"] strong {
  color: var(--text-primary);
}

/* ---------- Theme Toggle ---------- */
.theme-toggle {
  position: fixed;
  top: 1.2rem;
  right: 1.2rem;
  z-index: 100;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  background: var(--toggle-bg);
  color: var(--toggle-icon);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px var(--shadow-md);
}

.theme-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 16px var(--shadow-lg);
}

[data-theme="light"] .icon-dark,
[data-theme="dark"] .icon-light {
  display: none;
}

[data-theme="light"] .icon-light,
[data-theme="dark"] .icon-dark {
  display: inline;
}

/* ---------- Hero ---------- */
.hero {
  background-color: var(--bg-primary) !important;
  padding-top: 1rem;
  padding-bottom: 0.2rem;
}

.hero-body {
  padding-top: 0.8rem;
  padding-bottom: 0.2rem;
}

.publication-header {
  margin-bottom: 0.8rem;
}

.publication-logo {
  height: 100px;
  display: inline-block;
  filter: var(--logo-filter);
  transition: filter 0.3s ease;
}

.publication-title {
  font-family: 'Noto Sans', sans-serif;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--text-primary) !important;
}

.publication-subtitle {
  font-weight: 400 !important;
  color: var(--text-secondary) !important;
  line-height: 1.5 !important;
}

.publication-authors {
  margin-bottom: 0.2rem;
}

.author-block {
  display: inline-block;
}

.author-block a {
  color: var(--link-color);
  font-weight: 500;
}

.author-block a:hover {
  text-decoration: underline;
}

.institution {
  color: var(--text-muted);
  font-weight: 500;
}

/* ---------- Links ---------- */
.publication-links {
  margin-top: 0.4rem;
}

.link-block {
  display: inline-block;
  margin: 0 0.15rem 0.5rem;
}

.external-link {
  transition: transform 0.2s ease;
}

.external-link:hover {
  transform: translateY(-1px);
}

/* ---------- Key Finding Banner ---------- */
.key-finding-banner {
  background: var(--banner-bg);
  border-top: 1px solid var(--banner-border);
  border-bottom: 1px solid var(--banner-border);
  padding: 1.2rem 1.5rem;
  text-align: center;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.key-finding-banner p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 720px;
  margin: 0 auto;
}

.key-finding-banner strong {
  color: var(--text-primary);
}

.scarcer-highlight {
  font-weight: 700;
  color: #1a1a1a;
}

[data-theme="dark"] .scarcer-highlight {
  color: #ffffff;
}

.accent-red {
  color: #E41A1C;
  font-weight: 700;
  font-size: 1.15em;
}

.accent-blue {
  color: #3776AB;
  font-weight: 700;
  font-size: 1.15em;
}

/* ---------- Video ---------- */
.video-container {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 20px var(--shadow-lg);
}

.video-container video {
  width: 100%;
  display: block;
}

/* ---------- Leaderboard ---------- */
.leaderboard-tabs .tabs {
  margin-bottom: 1.5rem;
}

.leaderboard-tabs ul {
  border-bottom: none;
}

.leaderboard-tabs li a {
  color: var(--text-muted);
  border-color: var(--border-color);
  background: var(--surface);
  transition: all 0.2s ease;
}

.leaderboard-tabs li.is-active a {
  background-color: var(--text-primary) !important;
  border-color: var(--text-primary) !important;
  color: var(--bg-primary) !important;
}

.table-subtitle {
  color: var(--text-muted) !important;
  font-size: 0.88rem !important;
  margin-bottom: 1rem !important;
}

.table {
  background-color: var(--surface);
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.table thead th {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
  background-color: var(--bg-tertiary) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-color) !important;
}

.table td {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88rem;
  border-color: var(--border-color) !important;
  color: var(--text-primary);
}

.table td:first-child {
  text-align: center;
  color: var(--text-muted);
}

.table td strong {
  font-family: 'Noto Sans', sans-serif;
  color: var(--text-primary);
}

.table.is-striped tbody tr:nth-child(even) {
  background-color: var(--table-stripe);
}

.table.is-hoverable tbody tr:hover {
  background-color: var(--table-hover) !important;
}

/* --- Dark Mode Table Overrides (override Bulma specificity) --- */
[data-theme="dark"] .table {
  background-color: var(--surface) !important;
  color: var(--text-primary) !important;
}

[data-theme="dark"] .table td,
[data-theme="dark"] .table th {
  border-color: var(--border-color) !important;
  color: var(--text-primary) !important;
}

[data-theme="dark"] .table thead td,
[data-theme="dark"] .table thead th {
  background-color: var(--bg-tertiary) !important;
  color: var(--text-primary) !important;
}

[data-theme="dark"] .table.is-striped tbody tr:not(.is-selected):nth-child(even) {
  background-color: var(--table-stripe) !important;
}

[data-theme="dark"] .table.is-striped tbody tr:not(.is-selected):nth-child(even) td {
  background-color: inherit !important;
}

[data-theme="dark"] .table.is-hoverable tbody tr:not(.is-selected):hover {
  background-color: var(--table-hover) !important;
}

[data-theme="dark"] .table.is-hoverable tbody tr:not(.is-selected):hover td {
  background-color: inherit !important;
}

[data-theme="dark"] .table.is-bordered td,
[data-theme="dark"] .table.is-bordered th {
  border-color: var(--border-color) !important;
}

[data-theme="dark"] .tag.is-light {
  background-color: var(--tag-bg) !important;
  color: var(--tag-text) !important;
}

/* --- Leaderboard Table (SWE-bench style) --- */
.leaderboard-panel .table-container {
  background: var(--surface);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: 0 2px 12px var(--shadow-sm);
}

.lb-table {
  margin-bottom: 0 !important;
  border-collapse: separate;
  border-spacing: 0;
}

.lb-table thead th {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.9em 1.2em;
  white-space: nowrap;
  background-color: var(--bg-tertiary) !important;
  color: var(--text-primary) !important;
  border-bottom: 2px solid var(--border-color) !important;
  border-top: none !important;
}

.lb-table td {
  padding: 0.85em 1.2em;
  border-color: var(--border-color) !important;
  vertical-align: middle;
}

.lb-table td.lb-model {
  font-family: 'Noto Sans', sans-serif;
}

.lb-table tbody tr {
  transition: background-color 0.15s ease;
}

.lb-table tbody tr:hover {
  background-color: var(--table-hover) !important;
}

.lb-table tbody tr:nth-child(even) {
  background-color: var(--table-stripe);
}

/* Rank column */
.lb-rank {
  width: 48px;
  text-align: center !important;
}

.lb-medal {
  font-size: 1.3rem;
  line-height: 1;
}

.lb-rank-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Model column */
.lb-model {
  min-width: 180px;
}

.lb-model-name {
  font-family: 'Noto Sans', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}

.lb-org {
  display: inline-block;
  font-family: 'Noto Sans', sans-serif;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.12em 0.5em;
  border-radius: 4px;
  margin-left: 0.35rem;
  vertical-align: middle;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.org-openai { background: rgba(0,166,126,0.1); color: #00a67e; }
.org-google { background: rgba(66,133,244,0.1); color: #4285f4; }
.org-alibaba { background: rgba(255,106,0,0.1); color: #ff6a00; }
.org-moonshot { background: rgba(139,92,246,0.1); color: #8b5cf6; }
.org-anthropic { background: rgba(204,120,50,0.1); color: #cc7832; }

[data-theme="dark"] .org-openai { background: rgba(0,166,126,0.15); color: #3dd9a5; }
[data-theme="dark"] .org-google { background: rgba(66,133,244,0.15); color: #6ea8fe; }
[data-theme="dark"] .org-alibaba { background: rgba(255,106,0,0.15); color: #ff9a52; }
[data-theme="dark"] .org-moonshot { background: rgba(139,92,246,0.15); color: #a78bfa; }
[data-theme="dark"] .org-anthropic { background: rgba(204,120,50,0.15); color: #e0a070; }

/* Score columns */
.lb-score {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  text-align: center !important;
  white-space: nowrap;
  color: var(--text-secondary);
}

.lb-overall {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1rem;
  font-weight: 600;
  text-align: center !important;
  white-space: nowrap;
  color: var(--text-primary);
  border-left: 2px solid var(--border-color) !important;
}

/* Best in column */
.lb-best {
  font-weight: 800 !important;
  color: var(--text-primary) !important;
}

#agentic-table-wrap .table-container {
  background: var(--surface);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: 0 2px 12px var(--shadow-sm);
}

/* Summary bar */
.lb-summary {
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 0.6em 1em;
  border-top: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  text-align: center;
}

.lb-summary strong {
  color: var(--text-primary);
}

/* Dark mode overrides for lb-table */
[data-theme="dark"] .lb-table {
  background-color: var(--surface) !important;
}

[data-theme="dark"] .lb-table td,
[data-theme="dark"] .lb-table th {
  border-color: var(--border-color) !important;
}

[data-theme="dark"] .lb-table tbody tr:nth-child(even) {
  background-color: var(--table-stripe) !important;
}

[data-theme="dark"] .lb-table tbody tr:hover {
  background-color: var(--table-hover) !important;
}

/* Legacy tag (keep for dataset table) */
.tag.is-light.is-small {
  font-size: 0.65rem;
  vertical-align: middle;
  margin-left: 0.3rem;
  background-color: var(--tag-bg);
  color: var(--tag-text);
}

.lang-col-bf { color: #E41A1C !important; }
.lang-col-bef { color: #FF9800 !important; }
.lang-col-ws { color: #7B1FA2 !important; }
.lang-col-ul { color: #388E3C !important; }
.lang-col-shk { color: #0097A7 !important; }

/* Agentic Insight Box */
.agentic-insight {
  background: var(--banner-bg);
  border: 1px solid var(--banner-border);
  border-radius: 10px;
  padding: 1.2rem 1.5rem;
  margin-top: 1.5rem;
  transition: all 0.3s ease;
}

.agentic-insight p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

.agentic-insight strong {
  color: var(--text-primary);
}

.agentic-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, #E41A1C, #FF9800);
  color: white;
  font-size: 1.3rem;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(228,26,28,0.3);
}

/* ---------- Key Findings ---------- */
.findings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1rem;
}

.finding-card {
  display: flex;
  gap: 1rem;
  padding: 1.2rem;
  background: var(--finding-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  transition: all 0.25s ease;
}

.finding-card:hover {
  box-shadow: 0 4px 16px var(--shadow-md);
  transform: translateY(-2px);
}

.finding-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--text-primary);
  color: var(--bg-primary);
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.finding-content h4 {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

.finding-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* ---------- Results & Charts ---------- */
.result-block {
  padding: 2rem 0;
  border-bottom: 1px solid var(--border-color);
}

.result-block:last-child {
  border-bottom: none;
}

.result-explanation {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.result-explanation strong {
  color: var(--text-primary);
}

.chart-wrap {
  max-width: 100%;
  margin: 0 auto;
}

/* ---------- Paper Figures ---------- */
.paper-figure {
  margin-bottom: 1.5rem;
}

.paper-figure img {
  border-radius: 8px;
  box-shadow: 0 2px 12px var(--shadow-md);
  width: 100%;
}

.paper-figure figcaption {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.6rem;
  text-align: center;
  line-height: 1.4;
}

.paper-figure figcaption strong {
  color: var(--text-primary);
}

/* ---------- Dataset ---------- */
.dataset-stats {
  margin-bottom: 1.5rem;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--link-color);
  line-height: 1;
  margin-bottom: 0.2rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

#dataset-tabs .tabs ul li a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  border-color: var(--border-color);
  background: var(--surface);
}

#dataset-tabs .tabs ul li.is-active a {
  background-color: var(--text-primary) !important;
  border-color: var(--text-primary) !important;
  color: var(--bg-primary) !important;
}

#problem-table td:first-child {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
}

#problem-table td:nth-child(3) {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ---------- Language Cards ---------- */
.lang-card-link {
  text-decoration: none !important;
  color: inherit !important;
  display: block;
  height: 100%;
}

.lang-card {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.2rem;
  height: 100%;
  transition: all 0.25s ease;
}

.lang-card:hover {
  box-shadow: 0 4px 16px var(--shadow-md);
  transform: translateY(-2px);
}

.lang-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.lang-paradigm {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.lang-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

.lang-example {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  background: var(--code-bg);
  color: var(--text-primary);
  padding: 0.4rem 0.7rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
  overflow-x: auto;
  white-space: nowrap;
}

.lang-acc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.lang-acc strong {
  color: var(--link-color);
}

/* ---------- BibTeX ---------- */
#BibTeX pre {
  background-color: var(--code-bg);
  border-radius: 8px;
  padding: 1rem 1.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  position: relative;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.bib-copy-btn {
  margin-top: 0.5rem;
  background: var(--surface) !important;
  color: var(--text-secondary) !important;
  border-color: var(--border-color) !important;
}

.bib-copy-btn:hover {
  background: var(--surface-hover) !important;
}

/* ---------- Footer ---------- */
.footer {
  padding: 2rem 1.5rem;
  background-color: var(--bg-secondary) !important;
  transition: background-color 0.3s ease;
}

.footer .content p {
  color: var(--text-muted);
}

.footer .icon-link {
  font-size: 25px;
  color: var(--text-primary);
  margin: 0 0.3rem;
}

.footer .icon-link:hover {
  color: var(--link-color);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .publication-title {
    font-size: 2.2rem !important;
  }

  .publication-logo {
    height: 80px;
  }

  .chart-wrap {
    max-width: 100%;
  }

  .findings-grid {
    grid-template-columns: 1fr;
  }

  .result-block .columns {
    flex-direction: column;
  }

  .theme-toggle {
    top: 0.8rem;
    right: 0.8rem;
    width: 38px;
    height: 38px;
    font-size: 0.95rem;
  }
}

/* ---------- Transitions ---------- */
.table,
.table th,
.table td,
.tag,
.lang-card,
.lang-example,
.finding-card,
.agentic-insight,
.key-finding-banner,
#BibTeX pre,
.bib-copy-btn,
.footer,
.video-container,
.paper-figure img {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}