:root {
  --bg: #0a0a0c;
  --bg-2: #111114;
  --bg-3: #15151a;
  --border: #23232b;
  --border-2: #2c2c36;
  --text: #e5e7eb;
  --text-dim: #9ca3af;
  --text-faint: #6b7280;
  --accent: #10b981;
  --accent-dim: #065f46;
  --warn: #f59e0b;
  --bad: #ef4444;
  --good: #22c55e;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
  position: sticky; top: 0; z-index: 5;
}

.brand { display: flex; align-items: baseline; gap: 14px; }
.logo { font-size: 22px; font-weight: 700; letter-spacing: -0.5px; }
.logo-dot { color: var(--accent); }
.tag { font-size: 12px; color: var(--text-faint); }

.tabs { display: flex; gap: 6px; }
.tab {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.12s;
}
.tab:hover { color: var(--text); border-color: var(--border-2); }
.tab.active { color: var(--text); background: var(--bg-3); border-color: var(--accent-dim); }

.stat-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--border);
  border-bottom: 1px solid var(--border);
}
.stat {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 16px 8px;
  background: var(--bg-2);
}
.stat-num { font-size: 22px; font-weight: 700; color: var(--text); }
.stat-lbl { font-size: 11px; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 4px; }

main { padding: 22px 28px 60px; max-width: 1400px; margin: 0 auto; }

.controls {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-bottom: 16px; padding: 12px;
  background: var(--bg-2); border: 1px solid var(--border); border-radius: 8px;
}
.controls input, .controls select {
  background: var(--bg-3); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 6px 10px; font-size: 13px;
}
.controls input:focus, .controls select:focus {
  outline: none; border-color: var(--accent-dim);
}
.controls label { font-size: 12px; color: var(--text-dim); display: flex; align-items: center; gap: 6px; }

table.lb {
  width: 100%; border-collapse: collapse;
  background: var(--bg-2);
  border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
}
table.lb th, table.lb td {
  text-align: left; padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
table.lb th {
  background: var(--bg-3); font-weight: 600; font-size: 12px;
  color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px;
  cursor: pointer; user-select: none;
}
table.lb th .sort-arrow { color: var(--accent); margin-left: 4px; }
table.lb tr:hover td { background: var(--bg-3); cursor: pointer; }
table.lb td.rank { color: var(--text-faint); width: 38px; }
table.lb td.score { font-weight: 700; font-size: 15px; color: var(--accent); }
table.lb td.relative { color: var(--text-dim); }

.tier {
  display: inline-block; padding: 2px 7px; border-radius: 4px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.5px;
}
.tier.S { background: rgba(16,185,129,0.15); color: #34d399; }
.tier.A { background: rgba(59,130,246,0.15); color: #60a5fa; }
.tier.B { background: rgba(168,85,247,0.15); color: #a78bfa; }
.tier.C { background: rgba(245,158,11,0.15); color: #fbbf24; }
.tier.D { background: rgba(239,68,68,0.15); color: #f87171; }

.checkmark { color: var(--good); }
.crossmark { color: var(--text-faint); }
.warn-badge { background: rgba(245,158,11,0.15); color: var(--warn); padding: 2px 6px; border-radius: 4px; font-size: 11px; }

.matrix-wrap { overflow-x: auto; background: var(--bg-2); border: 1px solid var(--border); border-radius: 8px; }
table.matrix { width: 100%; border-collapse: collapse; font-size: 12px; }
table.matrix th, table.matrix td {
  text-align: center; padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  white-space: nowrap;
}
table.matrix th:first-child, table.matrix td:first-child {
  text-align: left;
  position: sticky; left: 0; background: var(--bg-2);
  border-right: 1px solid var(--border-2);
}
table.matrix th { background: var(--bg-3); color: var(--text-dim); font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px; font-size: 11px; }
table.matrix td .cell-evidence { display: block; color: var(--text-faint); font-size: 10px; margin-top: 3px; max-width: 220px; white-space: normal; line-height: 1.3; }

.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.card { background: var(--bg-2); border: 1px solid var(--border); border-radius: 8px; padding: 16px; }
.card h3 { margin: 0 0 12px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.7px; color: var(--text-dim); }
.movers-row { display: flex; justify-content: space-between; padding: 9px 0; border-bottom: 1px solid var(--border); }
.movers-row:last-child { border-bottom: none; }
.movers-row .delta { font-weight: 700; }
.delta.up { color: var(--good); }
.delta.down { color: var(--bad); }

.detail {
  background: var(--bg-2); border: 1px solid var(--border); border-radius: 8px;
  padding: 24px; margin-top: 12px;
}
.detail h2 { margin: 0 0 6px; font-size: 22px; }
.detail .sub { color: var(--text-dim); margin-bottom: 18px; }
.detail-grid { display: grid; grid-template-columns: minmax(280px, 1fr) 2fr; gap: 24px; }

.radar-wrap, .sparkline-wrap { background: var(--bg-3); padding: 16px; border-radius: 6px; }
.radar-wrap svg, .sparkline-wrap svg { display: block; width: 100%; height: auto; }

.kv-table { width: 100%; border-collapse: collapse; }
.kv-table td { padding: 6px 8px; border-bottom: 1px solid var(--border); vertical-align: top; font-size: 13px; }
.kv-table td:first-child { color: var(--text-dim); width: 38%; }

.evidence-box { background: var(--bg-3); padding: 8px 10px; border-radius: 4px; font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 11.5px; color: var(--text-dim); margin-top: 4px; white-space: pre-wrap; word-break: break-word; }

.about {
  background: var(--bg-2); border: 1px solid var(--border); border-radius: 8px;
  padding: 24px; line-height: 1.6;
}
.about h2 { margin-top: 0; }
.about ul { padding-left: 22px; }

.footer {
  padding: 20px 28px; border-top: 1px solid var(--border);
  color: var(--text-faint); font-size: 12px; text-align: center;
}

.back-btn {
  background: transparent; border: 1px solid var(--border); color: var(--text-dim);
  border-radius: 6px; padding: 6px 10px; cursor: pointer; font-size: 12px; margin-bottom: 12px;
}
.back-btn:hover { color: var(--text); border-color: var(--border-2); }

.stale-banner {
  background: rgba(245,158,11,0.12); border: 1px solid rgba(245,158,11,0.4);
  color: var(--warn); padding: 8px 12px; border-radius: 6px; margin-bottom: 12px; font-size: 12.5px;
}

@media (max-width: 760px) {
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  table.lb th, table.lb td { padding: 7px 8px; font-size: 12px; }
  main { padding: 14px; }
  .topbar { padding: 12px 14px; }
}