/* AssayBench Pages — shared site styles */

:root {
  --bg: #fafaf7;
  --bg-elev: #ffffff;
  --ink: #1b1f24;
  --ink-2: #4b5563;
  --ink-3: #6b7280;
  --line: #e5e7eb;
  --line-2: #d1d5db;
  --accent: #4C90D9;
  --accent-dark: #2f6db1;
  --highlight: #1FA187;
  --warn: #d97706;
  --danger: #c75146;
  --serif: "Source Serif Pro", "STIX Two Text", "Georgia", "Times New Roman", serif;
  --sans: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --maxw: 980px;
  --maxw-wide: 1280px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--serif);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent-dark); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 120ms ease; }
a:hover { border-bottom-color: var(--accent-dark); }

code, pre { font-family: var(--mono); font-size: 0.92em; }
pre {
  background: #f3f4f6;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 14px 16px;
  overflow-x: auto;
  line-height: 1.45;
  font-size: 13px;
}

/* ---------------------------------------------------------------- header */

header.site-header {
  background: var(--bg-elev);
  border-bottom: 1px solid var(--line);
  padding: 14px 28px;
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(180%) blur(8px);
}
.site-header-inner {
  max-width: var(--maxw-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.site-brand {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--ink);
  border-bottom: none;
}
.site-brand:hover { border-bottom: none; opacity: 0.85; }
.site-brand-sub {
  color: var(--ink-3);
  font-weight: 500;
  font-size: 13px;
  margin-left: 4px;
}
.site-nav {
  display: flex;
  gap: 18px;
  margin-left: auto;
  font-family: var(--sans);
  font-size: 13.5px;
}
.site-nav a {
  color: var(--ink-2);
  border-bottom: none;
}
.site-nav a.active {
  color: var(--ink);
  font-weight: 600;
}
.site-nav a:hover { color: var(--accent-dark); border-bottom: none; }

/* ---------------------------------------------------------------- main */

main { padding: 32px 28px 80px; }
.container { max-width: var(--maxw); margin: 0 auto; }
.container-wide { max-width: var(--maxw-wide); margin: 0 auto; }

h1, h2, h3, h4 {
  font-family: var(--sans);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--ink);
  line-height: 1.25;
}
h1 { font-size: 38px; margin: 0 0 12px; }
h1.paper-title {
  font-size: 34px;
  margin-bottom: 8px;
}
h2 { font-size: 22px; margin: 36px 0 12px; }
h3 { font-size: 17px; margin: 24px 0 8px; }

.lede {
  font-size: 18.5px;
  color: var(--ink-2);
  line-height: 1.65;
  margin: 14px 0 26px;
}

.paper-authors {
  font-family: var(--sans);
  font-size: 14.5px;
  color: var(--ink-2);
  margin-bottom: 14px;
  line-height: 1.55;
}
.paper-authors .equal,
.paper-affil .equal { color: var(--highlight); font-weight: 700; }
.paper-affil {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-3);
  margin-bottom: 18px;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 24px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: 6px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  background: #111827;
  color: #fff !important;
  border: 1px solid #111827;
  border-bottom: 1px solid #111827 !important;
}
.badge.alt { background: var(--accent); border-color: var(--accent); }
.badge.alt-2 { background: var(--highlight); border-color: var(--highlight); }
.badge.alt-3 { background: var(--warn); border-color: var(--warn); }
.badge:hover { opacity: 0.92; }

.section-divider {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 36px 0 24px;
}

.callout {
  border-left: 3px solid var(--accent);
  background: #f0f6fc;
  padding: 14px 18px;
  margin: 22px 0;
  font-size: 15.5px;
  color: var(--ink);
  border-radius: 0 6px 6px 0;
}
.callout strong { color: var(--accent-dark); }

.bullets {
  padding-left: 1.2em;
  margin: 12px 0 18px;
}
.bullets li { margin-bottom: 6px; }

/* ---------------------------------------------------------------- cards */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin: 28px 0;
}
.feature-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px 18px 20px;
  display: flex;
  flex-direction: column;
  transition: border-color 120ms ease, transform 120ms ease;
}
.feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.feature-card a {
  color: var(--ink);
  border-bottom: none;
}
.feature-card a:hover { border-bottom: none; }
.feature-card .feature-kicker {
  font-family: var(--sans);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 6px;
}
.feature-card h3 {
  font-size: 18px;
  margin: 0 0 6px;
}
.feature-card p {
  margin: 0;
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.55;
}
.feature-card .feature-cta {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-dark);
  margin-top: 12px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
  margin: 20px 0 28px;
}
.stat-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 18px;
}
.stat-card .stat-value {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 28px;
  color: var(--ink);
  line-height: 1.1;
}
.stat-card .stat-label {
  font-family: var(--sans);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  margin-top: 6px;
}

/* ---------------------------------------------------------------- controls */

.controls {
  display: flex;
  align-items: flex-end;
  gap: 18px;
  flex-wrap: wrap;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 18px;
  margin: 18px 0 22px;
  font-family: var(--sans);
}
.controls .control {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.controls label {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  font-weight: 600;
}
.controls select, .controls input[type="search"], .controls input[type="text"] {
  font-family: var(--sans);
  font-size: 13.5px;
  padding: 6px 10px;
  border: 1px solid var(--line-2);
  border-radius: 5px;
  background: #fff;
  color: var(--ink);
  min-width: 180px;
}
.controls input[type="search"] { min-width: 240px; }

.button {
  display: inline-block;
  background: #111827;
  color: #fff;
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 5px;
  border: none;
  cursor: pointer;
}
.button:hover { background: #1f2937; color: #fff; border-bottom: none; }
.button.secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-2);
}
.button.secondary:hover { background: #f3f4f6; color: var(--ink); }

/* ---------------------------------------------------------------- tables */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-elev);
}
table.leaderboard {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 13.5px;
}
table.leaderboard th, table.leaderboard td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
  text-align: right;
}
table.leaderboard th:first-child, table.leaderboard td:first-child,
table.leaderboard th.left, table.leaderboard td.left {
  text-align: left;
}
table.leaderboard thead th {
  background: #f9fafb;
  font-weight: 700;
  color: var(--ink-2);
  cursor: pointer;
  user-select: none;
  position: sticky;
  top: 0;
}
table.leaderboard thead th:hover { background: #f3f4f6; }
table.leaderboard thead th .sort-indicator {
  color: var(--ink-3);
  margin-left: 4px;
  font-size: 11px;
}
table.leaderboard tbody tr:hover { background: #f9fafb; }
table.leaderboard tbody tr.highlight { background: #fff7e6; }
.model-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.model-pill .swatch {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.category-tag {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-3);
}

/* ---------------------------------------------------------------- charts */

.plot {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
  margin: 16px 0 24px;
  overflow: hidden;
}
/* Use min-height so the container can grow to fit a taller Plotly chart
 * (e.g. heatmaps where the row count drives layout.height) instead of
 * clipping the bottom of the figure into the next block. */
.plot-tall { min-height: 600px; }
.plot-medium { min-height: 440px; }
.plot-short { min-height: 360px; }

.figure-caption {
  font-family: var(--sans);
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.55;
  margin: -4px 0 24px;
  max-width: 880px;
}
.figure-caption .label {
  font-weight: 700;
  color: var(--ink);
}

/* ---------------------------------------------------------------- two-column */

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 24px;
  align-items: start;
}
.split-grid .left { min-width: 0; }
.split-grid .right {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  font-family: var(--sans);
  font-size: 13.5px;
}
.split-grid .right h3 { margin-top: 0; font-size: 15px; }
.split-grid .right dl { margin: 0; }
.split-grid .right dt {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  margin-top: 10px;
  font-weight: 700;
}
.split-grid .right dd {
  margin: 2px 0 0;
  color: var(--ink);
}
@media (max-width: 900px) {
  .split-grid { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------------- citation */

.bibtex {
  background: #0f172a;
  color: #e2e8f0;
  padding: 16px 18px;
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.55;
  overflow-x: auto;
  white-space: pre;
}
.bibtex .key { color: #fbbf24; }
.bibtex .field { color: #93c5fd; }

footer.site-footer {
  border-top: 1px solid var(--line);
  padding: 24px 28px 40px;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-3);
}
.site-footer-inner {
  max-width: var(--maxw-wide);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.iframe-wrap {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-elev);
}
.iframe-wrap iframe {
  display: block;
  width: 100%;
  height: 80vh;
  border: 0;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
  font-family: var(--sans);
  font-size: 12px;
}
.tag-row .tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 99px;
  border: 1px solid var(--line-2);
  background: #fff;
  color: var(--ink-2);
  cursor: pointer;
  user-select: none;
}
.tag-row .tag .swatch { width: 8px; height: 8px; border-radius: 50%; }
.tag-row .tag.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.tag-row .tag.active .swatch { border: 1px solid #fff; }

.loading {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink-3);
  padding: 32px 0;
  text-align: center;
}
.error-state {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--danger);
  padding: 22px;
  background: #fef2f2;
  border: 1px solid #fee2e2;
  border-radius: 6px;
}