:root {
  --bg: #07080b;
  --panel: #0f1117;
  --line: #1e2230;
  --text: #e8eaf0;
  --muted: #8a90a2;
  --high: #ff4d5e;
  --mid: #ffb648;
  --low: #3ddc97;
  --accent: #8b7bff;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(139, 123, 255, 0.16), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(255, 77, 94, 0.10), transparent 60%),
    var(--bg);
  color: var(--text);
  font: 16px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.hero { max-width: 1100px; margin: 0 auto; padding: 96px 24px 48px; }
.eyebrow { font: 600 12px/1 var(--mono); letter-spacing: 0.24em; text-transform: uppercase; color: var(--muted); }
h1 { font-size: clamp(40px, 7vw, 84px); line-height: 1.02; letter-spacing: -0.035em; margin: 16px 0 20px; font-weight: 750; }
.accent { background: linear-gradient(90deg, var(--high), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { max-width: 620px; color: var(--muted); font-size: 18px; }

.next { margin-top: 40px; padding: 24px; border: 1px solid var(--line); border-radius: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01)); display: inline-block; }
.next-label { margin: 0 0 10px; color: var(--muted); font-size: 14px; }
.next-label a { color: var(--text); font-weight: 600; }

main { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

.controls { position: sticky; top: 0; z-index: 5; display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
  padding: 16px 0; background: rgba(7, 8, 11, 0.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
#q { flex: 1 1 260px; background: var(--panel); border: 1px solid var(--line); color: var(--text);
  padding: 12px 14px; border-radius: 12px; font: inherit; outline: none; }
#q:focus { border-color: var(--accent); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { background: transparent; color: var(--muted); border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 12px; font: 500 13px var(--sans); cursor: pointer; }
.chip:hover { color: var(--text); }
.chip.on { background: var(--text); color: var(--bg); border-color: var(--text); }
.sort { color: var(--muted); font-size: 13px; display: flex; gap: 8px; align-items: center; }
.sort select { background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; font: inherit; }

.grid { list-style: none; padding: 0; margin: 28px 0; display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.card { position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: 18px;
  padding: 20px; transition: transform .2s ease, border-color .2s ease; overflow: hidden; }
.card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 2px; background: var(--c); opacity: .8; }
.card.high { --c: var(--high); } .card.mid { --c: var(--mid); } .card.low { --c: var(--low); }
.card:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--c) 40%, var(--line)); }
.card:target { border-color: var(--c); box-shadow: 0 0 0 3px color-mix(in srgb, var(--c) 30%, transparent); }
.top { display: flex; justify-content: space-between; align-items: center; }
.cat { font: 500 12px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.badge { font: 600 11px var(--mono); padding: 3px 8px; border-radius: 999px; color: var(--c);
  background: color-mix(in srgb, var(--c) 14%, transparent); }
.badge.high { --c: var(--high); } .badge.mid { --c: var(--mid); } .badge.low { --c: var(--low); }
.card h3 { margin: 12px 0 14px; font-size: 20px; letter-spacing: -0.01em; }

.clock { display: flex; gap: 6px; font-family: var(--mono); }
.clock .u { display: flex; flex-direction: column; align-items: center; min-width: 48px; padding: 8px 4px;
  background: #0a0c11; border: 1px solid var(--line); border-radius: 10px; }
.clock b { font-size: 20px; font-weight: 600; font-variant-numeric: tabular-nums; }
.clock i { font-style: normal; font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; }
.clock.big .u { min-width: 72px; padding: 12px 6px; }
.clock.big b { font-size: 34px; }
.done { color: var(--high); font-weight: 700; }

.meter { height: 6px; background: #161925; border-radius: 99px; margin: 18px 0 10px; overflow: hidden; }
.meter span { display: block; height: 100%; background: linear-gradient(90deg, var(--low), var(--mid), var(--high));
  background-size: 300px 100%; border-radius: 99px; }
.meta { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); }
.meta b { color: var(--text); font-weight: 600; }

details { margin-top: 14px; border-top: 1px solid var(--line); padding-top: 10px; }
summary { cursor: pointer; color: var(--muted); font-size: 13px; list-style: none; }
summary::after { content: " +"; }
details[open] summary::after { content: " −"; }
details p { margin: 8px 0; font-size: 14px; }
.fo { display: inline-block; font: 12px var(--mono); color: var(--muted); margin-bottom: 6px; }
.refs { display: flex; flex-direction: column; gap: 2px; font-size: 12px; }

.empty { color: var(--muted); text-align: center; padding: 40px 0; }

.method { margin: 64px 0; padding: 32px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); }
.method h2 { margin-top: 0; letter-spacing: -0.02em; }
.method p { color: #c3c7d3; max-width: 760px; }
.method code { font: 13px var(--mono); background: #0a0c11; padding: 2px 6px; border-radius: 6px; border: 1px solid var(--line); }
.sources { padding-left: 18px; }

footer { max-width: 1100px; margin: 0 auto; padding: 24px 24px 64px; color: var(--muted); font-size: 13px; }

@media (max-width: 520px) {
  .hero { padding-top: 64px; }
  .clock .u { min-width: 0; flex: 1; }
  .clock.big b { font-size: 24px; }
  .clock.big .u { min-width: 0; flex: 1; }
  .next { display: block; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .card { transition: none; } }