/* ===== Flama (local) ===== */
@font-face {
  font-family: "Flama";
  src: url("/static/flama_font/Flama-Light.otf") format("opentype");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Flama";
  src: url("/static/flama_font/Flama-Regular.otf") format("opentype");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

/* ===== Theme tokens (keep current palette) ===== */
:root {
  --bg: #fafbfc;
  --panel: #ffffff;
  --panel-2: #f4f6f9;
  --border: #e3e7ee;
  --rule: #b0b0b0;          /* MELD-style hr color */
  --text: #1b2330;
  --muted: #6b7484;
  --soft: #666;
  --accent: #021BBA;
  --highlight: #021BBA;
  --error: #c0392b;

  --chunk-0-bg: #041DBC; --chunk-0-fg: #ffffff;
  --chunk-1-bg: #A6A6A6; --chunk-1-fg: #141923;
  --chunk-2-bg: #9437FF; --chunk-2-fg: #ffffff;
  --chunk-3-bg: #FFCD7F; --chunk-3-fg: #3a2400;

  --radius: 5px;
  --radius-sm: 3px;
}

* { box-sizing: border-box; }

/* ===== Body — MELD-style centered column ===== */
html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--text);
  font-family: "Flama", "Roboto", -apple-system, BlinkMacSystemFont,
               "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 300;
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  margin: 0 auto;
  padding: 50px 16px;
}
@media (min-width: 980px) {
  .container { width: 980px; }
}

/* ===== Sections & rule ===== */
section {
  margin: 32px 0;
  text-align: left;
  clear: both;
}

hr {
  height: 1px;
  border: 0;
  border-top: 1px solid var(--border);
  margin: 6px 0 18px 0;
}

/* ===== Headings (MELD-style) ===== */
h1 {
  font-family: "Flama", "Barlow", sans-serif;
  margin: 0 0 14px 0;
  text-align: left;
  line-height: 1.2;
}
.title-main {
  display: block;
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--text);
}
.title-sub {
  display: block;
  margin-top: 6px;
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.005em;
  color: var(--muted);
}

h2 {
  font-size: 1.75em;
  font-weight: 600;
  text-align: left;
  margin: 16px 0 0 0;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 24px;
  font-weight: 400;
  text-align: left;
  margin: 16px 0 4px 0;
}

a, a:link, a:visited { color: black; text-decoration: none; }
a:hover { color: var(--accent); }

/* ===== Hero specifics ===== */
.paper-title { padding-top: 10px; }

.venue {
  font-size: 18px;
  color: var(--soft);
  margin: 4px 0 18px 0;
}

.author-row {
  font-size: 20px;
  margin-bottom: 4px;
}
.author-row a {
  display: inline-block;
  font-size: 20px;
  padding-bottom: 4px;
}
.author-row sup {
  color: #313436;
  font-size: 12px;
}

.affiliations {
  font-size: 17px;
  color: var(--text);
  margin-bottom: 20px;
}
.affiliations sup { font-size: 12px; }

/* ===== Link-button pills ===== */
.link-btn-parent {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 12px;
  margin: 16px 0 28px 0;
}
.link-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 18px;
  font-size: 15px; font-weight: 500;
  color: #000 !important;
  background-color: #eeedec;
  border-radius: var(--radius);
  transition: background-color 0.18s ease, color 0.18s ease;
}
.link-btn:hover { background-color: #e3e1df; color: var(--accent) !important; }
.link-btn i { font-size: 14px; }

/* ===== Textbox / TL;DR / highlight ===== */
.textbox { line-height: 1.6; }
ul.textbox {
  padding-left: 1.4em;
  margin: 4px 0 12px 0;
}
ul.textbox li { margin-bottom: 8px; }
.textbox code {
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: #eeedec;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
}

.tldr-box {
  background: #eeedec;
  border-radius: var(--radius);
  padding: 22px 26px;
  margin: 8px 0 24px 0;
  font-size: 18px;
  line-height: 1.6;
  color: var(--text);
}
.tldr-box i { font-style: italic; }

.highlight { color: var(--highlight); font-weight: 600; }

p { line-height: 1.55; margin: 0 0 12px 0; }

/* ===== Figures & captions ===== */
figure { display: block; margin: 14px auto; }
figure img { width: 100%; border-radius: var(--radius); }

.hero-figure {
  margin: 4px 0 12px 0;
}
.hero-figure img {
  width: 100%;
  border-radius: var(--radius);
}

/* ===== Architecture side-by-side ===== */
.arch-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  align-items: stretch;
  gap: 32px;
  margin: 8px 0 4px 0;
}
.arch-text {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.arch-text > :first-child { margin-top: 0; }
.arch-text > :last-child  { margin-bottom: 0; }
.arch-figure {
  margin: 0;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.arch-figure img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--radius);
  display: block;
}
@media (max-width: 760px) {
  .arch-split { grid-template-columns: 1fr; }
  .arch-figure { height: auto; }
  .arch-figure img { height: auto; width: 100%; }
}

.caption, figcaption.caption {
  font-size: 15px;
  color: var(--soft);
  margin-top: 8px;
  text-align: left;
  line-height: 1.5;
}

/* ===== Biology figure ===== */
.biology-figure {
  margin: 14px 0 22px 0;
}
.biology-figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
}

/* ===== Benchmark tabs ===== */
.benchmark-tabs {
  margin: 18px 0 6px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}
.tab-bar {
  display: flex; flex-wrap: wrap; gap: 6px;
  padding: 10px 12px;
  background: var(--panel-2);
  border-bottom: 1px solid var(--border);
}
.tab-btn {
  background: transparent;
  color: var(--muted);
  border: 1px solid transparent;
  padding: 7px 14px;
  font-family: inherit;
  font-size: 13px; font-weight: 500;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}
.tab-btn:hover {
  background: #eeedec;
  color: var(--accent);
}
.tab-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.tab-panel {
  display: none;
  padding: 18px 20px 20px;
}
.tab-panel.active { display: block; }
.tab-caption {
  color: var(--text);
  font-size: 15px;
  line-height: 1.55;
  margin: 0 0 14px 0;
}
.benchmark-figure {
  margin: 0;
  background: #ffffff;
  border-radius: var(--radius);
}
.benchmark-figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
}

/* ===== Bibtex pre ===== */
#bibtex pre {
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  background-color: #eee;
  border-radius: var(--radius);
  padding: 16px;
  overflow-x: auto;
  margin-top: 12px;
}

/* ===== Demo card (in-line with paper) ===== */
.demo-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin: 18px 0;
}
.demo-card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px; gap: 12px;
}
.demo-card-header label {
  font-size: 12px; font-weight: 600;
  color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.08em;
}

textarea {
  width: 100%; min-height: 110px; resize: vertical;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 13px 14px;
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 13px; line-height: 1.55;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(2, 27, 186, 0.10);
}

.controls {
  margin-top: 14px;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
button {
  background: var(--accent); color: #fff; border: none;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-family: inherit; font-weight: 500; font-size: 14px;
  cursor: pointer;
  transition: background-color 0.12s ease, transform 0.06s ease;
}
button:hover { background: #0a26d2; }
button:active { transform: translateY(1px); }
button:disabled { opacity: 0.5; cursor: progress; }
button.secondary {
  background: #eeedec; color: #000; border: none;
}
button.secondary:hover { background: #e3e1df; color: var(--accent); }

.hint {
  margin-left: auto; color: var(--muted); font-size: 13px;
  font-family: "JetBrains Mono", monospace; font-variant-numeric: tabular-nums;
}

/* status pill (inline in demo header) */
.status {
  font-size: 12px; font-weight: 500;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: var(--panel);
  font-variant-numeric: tabular-nums;
}
.status.ok  { color: #0a6b2a; border-color: #b2dec1; background: #ecfbf1; }
.status.err { color: var(--error); border-color: #f5b8b1; background: #fdecea; }

/* ===== Metrics row ===== */
.metrics {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin: 18px 0 0 0;
}
.metric {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.metric .label {
  color: var(--muted);
  font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
}
.metric .value {
  font-size: 26px; font-weight: 600;
  letter-spacing: -0.02em;
  margin-top: 4px;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.metric .sub {
  color: var(--muted); font-size: 12px; margin-top: 2px;
  font-variant-numeric: tabular-nums;
}

/* ===== Visualization area (kept) ===== */
.viz-header {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  margin-bottom: 8px;
}
.viz-header h3 { margin: 0; font-size: 18px; font-weight: 500; }
.viz-controls { display: flex; gap: 8px; align-items: center; }
.viz-controls button { padding: 7px 14px; font-size: 13px; }
.viz-controls .secondary { background: #eeedec; }

#viz {
  --cell-w: 22px;
  --pill-h: 28px;
  --chunk-h: 30px;
  --row-gap: 14px;
  overflow-x: auto;
  padding: 8px 4px 14px;
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
}
.viz-grid {
  display: grid;
  row-gap: var(--row-gap);
  align-items: stretch;
}

.track-label {
  grid-column: 1 / -1;
  font-family: "Flama", sans-serif;
  font-size: 11px; font-weight: 600;
  color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-top: 10px;
  display: flex; align-items: center; gap: 10px;
}
.track-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* base pills inherit chunk-cycle colors via JS class c0..c3 */
.base-pill {
  height: var(--pill-h);
  display: flex; align-items: center; justify-content: center;
  font-family: "JetBrains Mono", monospace;
  font-weight: 600; font-size: 12px;
  border-radius: var(--radius-sm);
  margin: 0 2px;
  transform-origin: center bottom;
  opacity: 0;
  animation: pop-in 380ms cubic-bezier(0.34, 1.56, 0.64, 1) both;
  animation-delay: calc(var(--i, 0) * 8ms);
}
.viz-grid.static .base-pill,
.viz-grid.static .chunk-box { animation: none !important; opacity: 1; transform: none; }

.base-pill.c0 { background: var(--chunk-0-bg); color: var(--chunk-0-fg); }
.base-pill.c1 { background: var(--chunk-1-bg); color: var(--chunk-1-fg); }
.base-pill.c2 { background: var(--chunk-2-bg); color: var(--chunk-2-fg); }
.base-pill.c3 { background: var(--chunk-3-bg); color: var(--chunk-3-fg); }

.chunk-box {
  height: var(--chunk-h);
  border-radius: var(--radius);
  margin: 0 2px;
  display: flex; align-items: center; justify-content: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px; font-weight: 600; letter-spacing: 0.02em;
  border: 1px solid rgba(0, 0, 0, 0.06);
  overflow: hidden; white-space: nowrap;
  opacity: 0; transform-origin: center top;
  animation: drop-in 420ms cubic-bezier(0.2, 0.85, 0.3, 1.1) both;
}
.chunk-box.c0 { background: var(--chunk-0-bg); color: var(--chunk-0-fg); }
.chunk-box.c1 { background: var(--chunk-1-bg); color: var(--chunk-1-fg); }
.chunk-box.c2 { background: var(--chunk-2-bg); color: var(--chunk-2-fg); }
.chunk-box.c3 { background: var(--chunk-3-bg); color: var(--chunk-3-fg); }
.chunk-box.compact { font-size: 0; }

@keyframes pop-in {
  0%   { opacity: 0; transform: translateY(-10px) scale(0.5); }
  60%  { opacity: 1; transform: translateY(0)    scale(1.05); }
  100% { opacity: 1; transform: translateY(0)    scale(1); }
}
@keyframes drop-in {
  0%   { opacity: 0; transform: translateY(-12px) scaleY(0.4); }
  60%  { opacity: 1; transform: translateY(0)     scaleY(1.05); }
  100% { opacity: 1; transform: translateY(0)     scaleY(1); }
}

.legend {
  margin-top: 16px;
  display: flex; flex-wrap: wrap; gap: 14px;
  color: var(--muted); font-size: 13px;
  padding-top: 12px; border-top: 1px solid var(--border);
}
.legend-item { display: flex; align-items: center; gap: 8px; font-weight: 500; }
.swatch {
  width: 16px; height: 16px;
  border-radius: var(--radius-sm); display: inline-block;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.cap-notice {
  font-size: 13px; color: var(--soft);
  background: var(--panel-2); border: 1px dashed var(--border);
  padding: 10px 14px; border-radius: var(--radius);
  margin-bottom: 12px;
}

.error {
  margin: 16px 0; padding: 12px 16px;
  background: #fdecea; border: 1px solid #f5b8b1;
  border-radius: var(--radius); color: var(--error); font-size: 14px;
}

footer {
  text-align: center;
  padding: 24px 16px 32px;
  font-size: 14px;
  color: var(--soft);
}