:root {
  --bg: #08090b;
  --bg-elev: #0f1115;
  --panel: #101317;
  --line: #1d2128;
  --line-soft: #171b21;
  --text: #e8eaed;
  --muted: #8b929d;
  --faint: #5b626d;
  --accent: #5eead4;
  --accent-dim: #2dd4bf;
  --accent-ghost: rgba(94, 234, 212, 0.12);
  --warn: #f59e0b;
  --radius: 12px;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 70%);
          mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 70%);
  opacity: 0.5;
  pointer-events: none;
}

.wrap { width: min(1080px, 92vw); margin: 0 auto; }
main.wrap, header > .wrap, footer > .wrap { position: relative; z-index: 1; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(8, 9, 11, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 24px; height: 60px; }
.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; color: var(--text); }
.brand-mark { color: var(--accent); font-size: 14px; }
.brand-name { font-weight: 700; letter-spacing: 0.14em; font-size: 15px; }
.brand-tag {
  font-family: var(--mono); font-size: 11px; color: var(--muted);
  border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; text-transform: uppercase;
}
.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a { color: var(--muted); text-decoration: none; font-size: 14px; transition: color .15s; }
.nav a:hover { color: var(--text); }
.updated { font-family: var(--mono); font-size: 12px; color: var(--faint); }

.hero { padding: 72px 0 40px; max-width: 760px; }
.hero h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.08; letter-spacing: -0.02em; margin: 0 0 20px; font-weight: 700; }
.hero .accent { color: var(--accent); }
.lede { color: var(--muted); font-size: 17px; max-width: 620px; margin: 0; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-top: 40px; }
.stat { background: var(--panel); padding: 18px 20px; }
.stat-val { font-family: var(--mono); font-size: 26px; font-weight: 600; color: var(--text); }
.stat-key { color: var(--faint); font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; margin-top: 4px; }

.panel {
  background: linear-gradient(180deg, var(--bg-elev), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 26px 28px;
  margin: 28px 0;
}
.panel-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 20px; }
.panel h2 { font-size: 19px; margin: 0; letter-spacing: -0.01em; }
.panel-sub { color: var(--muted); font-size: 13.5px; margin: 6px 0 0; max-width: 60ch; }

.select { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); white-space: nowrap; }
.select select {
  background: var(--bg); color: var(--text); border: 1px solid var(--line);
  border-radius: 8px; padding: 7px 10px; font-family: var(--mono); font-size: 12.5px; cursor: pointer;
  max-width: 240px;
}
.select select:focus { outline: none; border-color: var(--accent-dim); }

.table-wrap { position: relative; }
.board { width: 100%; border-collapse: collapse; }
.board thead th {
  text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--faint); font-weight: 600; padding: 0 14px 12px; border-bottom: 1px solid var(--line);
}
.board td { padding: 13px 14px; border-bottom: 1px solid var(--line-soft); vertical-align: middle; }
.board tbody tr:last-child td { border-bottom: none; }
.board tbody tr { transition: background .12s; }
.board tbody tr:hover { background: rgba(255, 255, 255, 0.018); }
.c-rank { width: 56px; }
.c-score { width: 110px; text-align: right; }
.c-bar { width: 34%; }
.rank-num { font-family: var(--mono); font-size: 14px; color: var(--muted); }
.rank-1 .rank-num, .rank-2 .rank-num, .rank-3 .rank-num { color: var(--accent); font-weight: 600; }
.hotkey { font-family: var(--mono); font-size: 13px; }
.hotkey .head { color: var(--text); }
.hotkey .tail { color: var(--faint); }
.score-val { font-family: var(--mono); font-size: 14px; text-align: right; color: var(--text); }
.bar { height: 7px; border-radius: 4px; background: var(--line); overflow: hidden; }
.bar > i { display: block; height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--accent-dim), var(--accent)); }
.empty { color: var(--faint); text-align: center; padding: 40px 0; font-size: 14px; }

.charts { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.chart-card { margin: 0; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); padding: 16px 16px 8px; }
.chart-card figcaption { font-size: 13px; color: var(--text); margin-bottom: 10px; display: flex; justify-content: space-between; align-items: baseline; }
.chart-card .hint { font-size: 11px; color: var(--faint); font-weight: 400; }
.chart-box { position: relative; height: 240px; }
.awaiting {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-family: var(--mono); font-size: 12px; color: var(--faint);
  background: repeating-linear-gradient(45deg, transparent, transparent 9px, rgba(255,255,255,0.015) 9px, rgba(255,255,255,0.015) 18px);
  border-radius: 8px;
}
.awaiting[hidden] { display: none; }

.site-footer { border-top: 1px solid var(--line); margin-top: 40px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; height: 60px; color: var(--faint); font-size: 12.5px; }

.mono { font-family: var(--mono); }

@media (max-width: 760px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .charts { grid-template-columns: 1fr; }
  .nav { display: none; }
  .c-bar { display: none; }
  .panel-head { flex-direction: column; }
  .hero { padding: 48px 0 28px; }
}