/* ===== tokens ============================================================ */
:root {
  --bg: #0b0e11;
  --bg-raised: #12161b;
  --border: #232a32;
  --fg: #d7dde3;
  --fg-dim: #8b949e;
  --accent: #3fb950;
  --good: #3fb950;
  --mid: #d29922;
  --low: #8b949e;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --max-w: 1100px;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --bg-raised: #f6f8fa;
    --border: #d0d7de;
    --fg: #1f2328;
    --fg-dim: #59636e;
    --accent: #1a7f37;
    --good: #1a7f37;
    --mid: #9a6700;
    --low: #59636e;
  }
}

/* ===== reset / base ====================================================== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { color-scheme: dark light; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.45;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: var(--bg-raised); padding: 0 4px; border-radius: 3px; }
h1, h2, h3 { font-weight: 600; }
h2 { color: var(--fg-dim); font-size: 14px; margin: 28px 0 10px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ===== layout ============================================================ */
main, .site-header, .site-footer { max-width: var(--max-w); margin: 0 auto; padding: 0 16px; }
main { padding-bottom: 48px; }

.site-header {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-top: 20px; padding-bottom: 20px;
}
.wordmark { color: var(--fg); font-weight: 700; letter-spacing: .02em; }
.wordmark .cursor { color: var(--accent); animation: blink 1.2s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.site-header nav a { color: var(--fg-dim); margin-left: 16px; }
.site-header nav a:hover { color: var(--accent); }

.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 24px; padding-top: 16px; padding-bottom: 32px;
  color: var(--fg-dim); font-size: 12px;
}
.site-footer p { margin-bottom: 6px; }
.site-footer .stale { color: var(--mid); }

/* ===== tabs ============================================================== */
.tabs { display: flex; gap: 4px; margin: 20px 0 12px; border-bottom: 1px solid var(--border); }
.tabs a {
  padding: 6px 14px; color: var(--fg-dim);
  border: 1px solid transparent; border-bottom: none; border-radius: 6px 6px 0 0;
}
.tabs a.active {
  color: var(--accent); background: var(--bg-raised);
  border-color: var(--border);
  margin-bottom: -1px; padding-bottom: 7px;
}

/* ===== toolbar / filters ================================================= */
.toolbar {
  display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center;
  background: var(--bg-raised); border: 1px solid var(--border); border-radius: 6px;
  padding: 10px 12px; margin-bottom: 12px; font-size: 13px; color: var(--fg-dim);
}
.toolbar select {
  background: var(--bg); color: var(--fg); border: 1px solid var(--border);
  border-radius: 4px; font-family: var(--mono); font-size: 13px; padding: 2px 6px; margin-left: 6px;
}
.toolbar .count { margin-left: auto; }
.weights-line { color: var(--fg-dim); font-size: 12px; margin-bottom: 10px; }

/* ===== tables ============================================================ */
.table-scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { padding: 6px 10px; text-align: left; white-space: nowrap; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
thead th {
  color: var(--fg-dim); font-weight: 600; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: var(--bg);
}
th[data-col] { cursor: pointer; user-select: none; }
th[data-col]:hover { color: var(--accent); }
th .arrow { color: var(--accent); }
tbody tr { border-bottom: 1px solid var(--border); }
tbody tr:hover { background: var(--bg-raised); }
tbody tr[hidden] { display: none; }
table.mini { width: auto; min-width: 420px; }

.conf-high { color: var(--good); }
.conf-medium { color: var(--mid); }
.conf-low { color: var(--low); }
.conf-none { color: var(--border); }

/* ===== new releases strip ================================================ */
.new-releases h2 { margin-top: 20px; }
.cards { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 6px; }
.card {
  flex: 0 0 auto; min-width: 190px;
  background: var(--bg-raised); border: 1px solid var(--border); border-radius: 6px;
  padding: 10px 12px; color: var(--fg);
  display: flex; flex-direction: column; gap: 3px;
}
.card:hover { border-color: var(--accent); text-decoration: none; }
.card-name { color: var(--accent); font-weight: 600; }
.card-meta { color: var(--fg-dim); font-size: 12px; }
.trend { color: var(--good); }

/* ===== chips / badges ==================================================== */
.chip {
  display: inline-block; font-size: 11px; color: var(--fg-dim);
  border: 1px solid var(--border); border-radius: 10px; padding: 1px 8px; margin: 0 2px;
}
a.chip:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.chip-open { color: var(--good); border-color: var(--good); }
.chip-gated { color: var(--mid); border-color: var(--mid); }
.badge {
  display: inline-block; background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: 4px; padding: 2px 8px; margin-right: 6px; font-size: 12px;
}

/* ===== model page ======================================================== */
.model-header { margin-top: 24px; }
.model-header h1 { font-size: 22px; }
.model-id { color: var(--fg-dim); font-size: 14px; font-weight: 400; }
.model-sub { color: var(--fg-dim); margin: 4px 0 8px; }
.rank-badges { margin-bottom: 4px; }

.specs {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px 20px; background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: 6px; padding: 14px 16px; margin: 14px 0 8px;
}
.specs dt { color: var(--fg-dim); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; }
.specs dd { font-size: 14px; }
.links a { margin-right: 14px; }

.why { margin-bottom: 16px; }
.why h3 { font-size: 13px; margin-bottom: 6px; }
tr.absent td { color: var(--fg-dim); }
.note { color: var(--fg-dim); font-size: 12px; margin: 6px 0; }

.sparks { display: flex; gap: 32px; flex-wrap: wrap; }
.sparks figure { color: var(--accent); }
.sparks figcaption { color: var(--fg-dim); font-size: 12px; margin-bottom: 4px; }
.spark { width: 100%; max-width: 280px; height: 48px; display: block; }

.aliases { margin-top: 24px; color: var(--fg-dim); font-size: 12px; }
.aliases summary { cursor: pointer; }
.aliases dl { margin-top: 8px; }
.aliases dt { display: inline; color: var(--fg-dim); }
.aliases dd { display: inline; margin-right: 14px; }

/* ===== prose (methodology) =============================================== */
.prose { max-width: 760px; margin-top: 24px; }
.prose h1 { font-size: 20px; margin-bottom: 12px; }
.prose p, .prose ul { margin-bottom: 12px; }
.prose li { margin: 4px 0 4px 20px; }
.prose table { margin-bottom: 16px; }

/* ===== responsive ======================================================== */
@media (max-width: 720px) {
  .hide-sm { display: none; }
  .site-header { flex-direction: column; gap: 8px; }
  .specs { grid-template-columns: repeat(2, 1fr); }
  .toolbar .count { margin-left: 0; width: 100%; }
}