/* AmericasNLP 2026 — Image Captioning project page */

:root {
  --bg: #fafafa;
  --bg-section: #ffffff;
  --bg-hero: #1a1d24;
  --fg: #1c1e22;
  --fg-soft: #595d66;
  --fg-faint: #8a8f99;
  --accent: #3a7ad6;
  --accent-hover: #275fb3;
  --accent-soft: #e8f0fc;
  --border: #e5e7eb;
  --border-strong: #cbd1d9;
  --good: #2f7d4f;
  --bad: #b13d3d;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

code, pre { font-family: var(--mono); font-size: 0.9em; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.container.narrow { max-width: 760px; }
.container.wide   { max-width: 1480px; }

h1, h2, h3, h4 { font-weight: 600; line-height: 1.25; letter-spacing: -0.01em; }
h2 { font-size: 1.75rem; margin: 0 0 0.5em 0; }
h3 { font-size: 1.15rem; margin: 0 0 0.5em 0; }
h4 { font-size: 1rem; margin: 1.5em 0 0.5em 0; }

p { margin: 0 0 1em 0; }

/* === Hero === */
.hero {
  background: var(--bg-hero);
  color: #ffffff;
  padding: 80px 0 64px 0;
  border-bottom: 1px solid #000000;
}
.hero h1 {
  font-size: 2.6rem;
  margin: 0 0 0.5em 0;
  letter-spacing: -0.02em;
}
.hero .tagline {
  font-size: 1.15rem;
  color: #c9ced8;
  max-width: 760px;
  margin: 0 0 1.5em 0;
}
.hero .tagline strong { color: #ffffff; font-weight: 600; }
.hero code { color: #f0c674; background: rgba(255,255,255,0.07); padding: 0.05em 0.25em; border-radius: 3px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 0; }

.button {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 6px;
  background: rgba(255,255,255,0.08);
  color: #ffffff;
  font-weight: 500;
  border: 1px solid rgba(255,255,255,0.15);
  transition: background 0.15s, border-color 0.15s;
}
.button:hover { background: rgba(255,255,255,0.15); text-decoration: none; }
.button.primary {
  background: var(--accent);
  border-color: var(--accent);
}
.button.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

/* === Sections === */
section { padding: 64px 0; }
section + section { border-top: 1px solid var(--border); }

#abstract, #pipeline { background: var(--bg-section); }
#results, #explorer { background: var(--bg); }
#methods { background: var(--bg-section); }

.caption {
  color: var(--fg-soft);
  font-size: 0.95rem;
  margin-bottom: 1.5em;
}
.caption.footnote { font-size: 0.85rem; margin-top: 4px; }

.diagram {
  background: #f3f4f6;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  font-size: 0.95rem;
  line-height: 1.5;
  white-space: pre;
  overflow-x: auto;
}

.json, .english {
  background: #1a1d24;
  color: #c9d1d9;
  border-radius: 6px;
  padding: 14px 16px;
  font-size: 0.85rem;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

details summary {
  cursor: pointer;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 0.75em;
}
details[open] summary { margin-bottom: 1em; }

/* === Tables === */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}
table { border-collapse: collapse; width: 100%; font-size: 0.92rem; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: #f8f9fa; font-weight: 600; color: var(--fg-soft); position: sticky; top: 0; z-index: 1; }
tr:last-child td { border-bottom: none; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
th.center, td.center { text-align: center; }

#agg-table th.col-cfg { white-space: nowrap; cursor: default; }
#agg-table th.col-lang {
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  text-align: right;
}
#agg-table th.col-lang:hover { color: var(--accent); }
#agg-table th.col-lang .iso { font-weight: 400; color: var(--fg-faint); margin-left: 4px; }

#agg-table tr.primary td {
  background: var(--accent-soft);
  font-weight: 500;
}
#agg-table tr.kind-baseline td:first-child::before {
  content: "○ ";
  color: var(--fg-faint);
}
#agg-table tr.kind-ours td:first-child::before {
  content: "★ ";
  color: var(--accent);
}
#agg-table tr.kind-ours-local td:first-child::before {
  content: "▣ ";
  color: var(--good);
}
#agg-table td.cell-best {
  font-weight: 600;
  color: var(--good);
}
#agg-table td.cell-empty {
  color: var(--fg-faint);
  text-align: right;
}

#explorer-table tbody tr {
  cursor: pointer;
  transition: background 0.1s;
}
#explorer-table tbody tr:hover { background: var(--accent-soft); }

#explorer-table td {
  font-size: 0.88rem;
}
/* monospace for predicted target (col 6 in new layout) */
#explorer-table td:nth-child(6) {
  font-family: var(--mono);
  font-size: 0.82rem;
}
#explorer-table td.cfg-col {
  font-size: 0.78rem;
  color: var(--fg-soft);
  white-space: nowrap;
}
#explorer-table td.back-col {
  font-style: italic;
  color: var(--fg-soft);
  font-size: 0.83rem;
}
#explorer-table td.back-col .muted { color: var(--fg-faint); font-style: normal; }
#explorer-table th.thumb-col, #explorer-table td.thumb-col { width: 72px; }

#explorer-table img.thumb,
#submission-table img.thumb {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 4px;
  background: #ddd;
  display: block;
}

/* Same hover + cursor behavior as the dev explorer */
#submission-table tbody tr {
  cursor: pointer;
  transition: background 0.1s;
}
#submission-table tbody tr:hover { background: var(--accent-soft); }
#submission-table th.thumb-col, #submission-table td.thumb-col { width: 72px; }
#submission-table td:nth-child(4) {  /* Predicted column */
  font-family: var(--mono);
  font-size: 0.82rem;
}
#submission-table td.back-col {
  font-style: italic;
  color: var(--fg-soft);
  font-size: 0.83rem;
}
#submission-table td.back-col .muted { color: var(--fg-faint); font-style: normal; }

.score-good { color: var(--good); font-weight: 500; }
.score-bad  { color: var(--bad); }

.placeholder { color: var(--accent); font-weight: 500; }

/* === Explorer full-width layout === */
.explorer-table-wrap {
  max-height: 720px;
  overflow-y: auto;
  margin-bottom: 32px;
}

.explorer-charts-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}
@media (max-width: 800px) {
  .explorer-charts-row { grid-template-columns: 1fr; }
}

/* Column-header sort + per-column filter row */
#explorer-table thead th.sortable {
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
#explorer-table thead th.sortable:hover { color: var(--accent); }
#explorer-table thead th.sortable.sort-asc::after { content: " ▲"; }
#explorer-table thead th.sortable.sort-desc::after { content: " ▼"; }
#explorer-table thead th.sortable { /* hide default arrow */
  /* the ▾ in HTML is removed via JS once active */
}

#explorer-table tr.filter-row th {
  background: #fff;
  padding: 6px 10px;
  position: sticky;
  top: 36px;  /* below header row */
  z-index: 1;
  border-bottom: 1px solid var(--border);
}
.col-filter {
  width: 100%;
  padding: 4px 6px;
  font-size: 0.82rem;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: #fff;
  font-family: inherit;
}
.col-filter.num-filter { width: 48%; }
.col-filter:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}
#explorer-table tr.filter-row th .range-row {
  display: flex;
  gap: 4px;
  justify-content: flex-end;
}

.chart-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  box-shadow: var(--shadow-sm);
}
.chart-card h3 {
  color: var(--fg-soft);
  font-size: 0.95rem;
  margin-bottom: 12px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.chart-hint {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--fg-faint);
  font-family: var(--mono);
}
.chart-card canvas { max-height: 240px; }

/* === Explorer controls === */
.explorer-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  box-shadow: var(--shadow-sm);
}
.control { display: flex; flex-direction: column; gap: 6px; font-size: 0.9rem; }
.control.wide { grid-column: 1 / -1; }
.control > span { color: var(--fg-soft); font-weight: 500; }
.control select, .control input[type="search"] {
  padding: 8px 10px;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  font-size: 0.95rem;
  background: #ffffff;
  font-family: inherit;
}
.control input[type="search"]:focus,
.control select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.range-row {
  display: flex;
  gap: 12px;
  align-items: center;
}
.range-row input[type="range"] { flex: 1; }
#range-out {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--fg-soft);
}

.explorer-summary {
  font-size: 0.9rem;
  color: var(--fg-soft);
  margin-bottom: 8px;
}

/* === Methods === */
.recipe {
  font-size: 1rem;
  padding-left: 1.2em;
}
.recipe li { margin-bottom: 0.6em; }

footer {
  background: var(--bg-section);
  padding: 32px 0;
  color: var(--fg-soft);
  font-size: 0.88rem;
  border-top: 1px solid var(--border);
}

/* === Modal === */
dialog#detail-modal {
  border: none;
  border-radius: 12px;
  padding: 0;
  max-width: 760px;
  width: 90%;
  background: #ffffff;
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}
dialog#detail-modal::backdrop {
  background: rgba(20, 23, 30, 0.6);
  backdrop-filter: blur(2px);
}
.modal-body {
  padding: 32px;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  border: none; background: none;
  font-size: 1.5rem; cursor: pointer;
  color: var(--fg-faint);
  width: 32px; height: 32px;
  line-height: 1;
}
.modal-close:hover { color: var(--fg); }
.modal-body h3 { margin-top: 0; padding-right: 32px; }
.detail-type {
  color: var(--fg-soft);
  font-size: 0.85rem;
  margin-bottom: 1em;
}
#detail-image {
  display: block;
  max-width: 100%;
  max-height: 360px;
  margin: 0 auto 1.2em auto;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #f3f4f6;
}
.detail-grid {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 8px 16px;
  margin-bottom: 1.5em;
  font-size: 0.92rem;
}
.detail-grid .label {
  color: var(--fg-soft);
  font-weight: 500;
}
.detail-grid .value.mono { font-family: var(--mono); font-size: 0.88rem; }
.detail-grid .score {
  font-family: var(--mono);
  font-size: 0.85rem;
}
.detail-grid .back-line {
  margin-top: 4px;
  color: var(--fg-soft);
  font-size: 0.85rem;
  font-style: italic;
}
.detail-grid .meta-line {
  margin-top: 4px;
  color: var(--fg-soft);
  font-size: 0.85rem;
}
.english-h4 { color: var(--fg-soft); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; }
.english-h4.hidden, .english.hidden, #detail-english.hidden { display: none; }

/* Final results table */
#final-results-table td.ran-cell code {
  font-size: 0.85rem;
}
.rank-pill {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 1px 5px;
  border-radius: 3px;
  margin-left: 4px;
  vertical-align: middle;
}

/* small touches */
mark.match {
  background: #fff3a3;
  color: inherit;
  padding: 0 2px;
  border-radius: 2px;
}