:root {
  --bg: #080d18;
  --panel: #111b2e;
  --line: #1e2b45;
  --text: #e8eefb;
  --muted: #92a3c0;
  --accent: #38bdf8;
  --green: #22c55e;
  --red: #ef4444;
  --amber: #f59e0b;
  --violet: #a78bfa;
  --radius: 18px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

main { max-width: 760px; margin: 0 auto; padding: 16px; }

/* ---------- the stage ---------- */

.stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  width: 100%;
  min-height: 58vh;
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: inherit;
  color: inherit;
  padding: 32px 24px;
  text-align: center;
  transition: background-color 0.06s linear;
  user-select: none;
}

.stage-idle { background: linear-gradient(160deg, #16233d, #0f1a2e); }
.stage-waiting { background: var(--red); }
.stage-ready { background: var(--green); }
.stage-tooSoon { background: var(--amber); }
.stage-tooSlow { background: #64748b; }
.stage-result { background: #16233d; }
.stage-done { background: linear-gradient(160deg, #16233d, #0f1a2e); }

.stage-title {
  font-size: clamp(28px, 6vw, 52px);
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.1;
}
.stage-sub { font-size: clamp(14px, 3vw, 19px); opacity: 0.85; }
.stage-big {
  font-size: clamp(56px, 16vw, 132px);
  font-weight: 800;
  letter-spacing: -2px;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.stage-waiting .stage-title,
.stage-ready .stage-title,
.stage-tooSoon .stage-title,
.stage-tooSlow .stage-title { color: #071018; }
.stage-waiting .stage-sub,
.stage-ready .stage-sub,
.stage-tooSoon .stage-sub { color: rgba(7, 16, 24, 0.75); }
.stage-waiting .stage-big,
.stage-ready .stage-big,
.stage-tooSoon .stage-big { color: #071018; }

/* ---------- summary ---------- */

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  margin-top: 16px;
}

.panel h2 {
  margin: 0 0 18px;
  font-size: clamp(20px, 4vw, 28px);
  color: var(--violet);
}

.figures {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}
.figures > div {
  background: #0d1526;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  text-align: center;
}
.figures b {
  display: block;
  font-size: clamp(26px, 6vw, 40px);
  font-variant-numeric: tabular-nums;
}
.figures b::after { content: " ms"; font-size: 0.42em; color: var(--muted); }
.figures span { color: var(--muted); font-size: 12.5px; }
.figures > div:nth-child(2) b { color: var(--green); }

.rounds { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0 0 16px; }
.rounds li {
  background: #0d1526;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}
.rounds li.best { border-color: var(--green); color: var(--green); }

.compare { color: var(--muted); font-size: 14.5px; line-height: 1.6; margin: 0 0 10px; }
.compare b { color: var(--text); }
.false-starts { color: var(--amber); font-size: 14px; margin: 0 0 10px; }
.best-ever { color: var(--muted); font-size: 13px; margin: 14px 0 0; }

.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }

.btn {
  flex: 1 1 auto;
  background: #0d1526;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 15px;
  font-weight: 650;
  font-family: inherit;
  cursor: pointer;
}
.btn:hover { border-color: var(--accent); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--violet));
  color: #07101f;
  border-color: transparent;
}

/* ---------- benchmarks ---------- */

.bench { margin: 22px 0 10px; }
.bench h3 { font-size: 15px; color: var(--muted); font-weight: 600; margin: 0 0 12px; }
.bench ul { list-style: none; padding: 0; margin: 0; }
.bench li {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 10px 0; border-bottom: 1px solid var(--line);
  font-size: 14.5px; color: var(--muted);
}
.bench li:last-child { border-bottom: 0; }
.bench li b { color: var(--text); font-variant-numeric: tabular-nums; white-space: nowrap; }
.bench li.you { color: var(--accent); }
.bench li.you b { color: var(--accent); }

.note { color: #64748b; font-size: 12.5px; line-height: 1.65; margin: 12px 0 0; }

footer { text-align: center; color: var(--muted); font-size: 12.5px; padding: 20px 16px 36px; }
footer a { color: var(--accent); margin-left: 6px; }

@media (prefers-reduced-motion: reduce) {
  .stage { transition: none; }
}