:root {
  color-scheme: dark;
  --bg: #0a0b0d;
  --panel: #111318;
  --panel-2: #171a20;
  --line: #2a2e37;
  --text: #f4f1ea;
  --muted: #a9adb7;
  --accent: #d8ff45;
  --accent-soft: rgba(216, 255, 69, 0.12);
  --good: #63e6a7;
  --bad: #ff8d8d;
  --radius: 18px;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 75% -10%, rgba(120, 73, 255, 0.18), transparent 36rem),
    var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a { color: inherit; }

.site-header,
main,
footer {
  width: min(1180px, calc(100% - 36px));
  margin-inline: auto;
}

.site-header {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-weight: 750;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  color: var(--accent);
  font-size: 22px;
}

nav { display: flex; gap: 22px; }
nav a, footer a { color: var(--muted); text-decoration: none; }
nav a:hover, footer a:hover { color: var(--text); }

main { padding: 78px 0 64px; }

.hero { max-width: 820px; margin-bottom: 86px; }

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font: 700 0.73rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.14em;
}

h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3 { letter-spacing: -0.045em; line-height: 1.04; }
h1 { max-width: 760px; margin-bottom: 24px; font-size: clamp(3rem, 8vw, 6.8rem); }
h2 { margin-bottom: 0; font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { margin-bottom: 0; font-size: clamp(1.4rem, 3vw, 2.1rem); }
h4 { margin-bottom: 10px; font-size: 1rem; }
.lede { max-width: 680px; color: var(--muted); font-size: 1.18rem; }
.muted { max-width: 440px; margin-bottom: 0; color: var(--muted); }

.section-heading {
  display: flex;
  gap: 28px;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 28px;
}

.run-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.run-card {
  min-height: 230px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  text-align: left;
  color: var(--text);
  background: linear-gradient(145deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
}

.run-card:hover,
.run-card[aria-pressed="true"] { border-color: var(--accent); }
.run-card[aria-pressed="true"] { box-shadow: inset 0 0 0 1px var(--accent); }
.run-card .kind { color: var(--muted); font-size: 0.8rem; }
.run-card strong { display: block; margin: 20px 0 8px; font-size: 2rem; letter-spacing: -0.04em; }
.run-card .model { min-height: 48px; margin-bottom: 0; color: var(--muted); }
.run-card .status-tag { margin-top: auto; padding-top: 18px; color: var(--accent); font-size: 0.8rem; }

.explorer {
  margin-top: 86px;
  padding: 28px;
  background: rgba(17, 19, 24, 0.88);
  border: 1px solid var(--line);
  border-radius: 24px;
}

.pin-label {
  max-width: 330px;
  margin-bottom: 0;
  color: var(--muted);
  font: 0.76rem/1.45 ui-monospace, SFMono-Regular, Menlo, monospace;
  overflow-wrap: anywhere;
}

.controls {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.5fr 1.6fr auto;
  gap: 12px;
  align-items: end;
  padding: 18px;
  background: var(--panel-2);
  border-radius: 14px;
}

label { display: grid; gap: 7px; color: var(--muted); font-size: 0.8rem; }
select, input, button {
  min-width: 0;
  height: 44px;
  border-radius: 9px;
  font: inherit;
}
select, input {
  width: 100%;
  padding: 0 11px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line);
}
button {
  padding: 0 16px;
  color: #10120b;
  background: var(--accent);
  border: 0;
  font-weight: 750;
  cursor: pointer;
}
button:hover { filter: brightness(1.08); }
button:disabled { cursor: wait; opacity: 0.6; }

.summary-panel {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  margin: 28px 0;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.metric { padding: 18px; background: var(--panel); }
.metric span { display: block; color: var(--muted); font-size: 0.78rem; }
.metric strong { display: block; margin-top: 5px; font-size: 1.35rem; }

.domain-chart { display: grid; gap: 8px; }
.domain-row { display: grid; grid-template-columns: 180px 1fr 58px; gap: 12px; align-items: center; }
.domain-name { color: var(--muted); font-size: 0.82rem; }
.bar-track { height: 8px; overflow: hidden; background: #242830; border-radius: 999px; }
.bar-fill { height: 100%; background: var(--accent); border-radius: inherit; }
.domain-score { text-align: right; font: 0.8rem ui-monospace, SFMono-Regular, Menlo, monospace; }

.task-panel { margin-top: 34px; padding-top: 28px; border-top: 1px solid var(--line); }
.task-head { display: flex; gap: 20px; justify-content: space-between; align-items: start; }
.badges { display: flex; gap: 8px; flex-wrap: wrap; justify-content: end; }
.badge { padding: 5px 9px; background: var(--accent-soft); border: 1px solid rgba(216, 255, 69, 0.32); border-radius: 999px; font-size: 0.75rem; }
.badge.fail { color: var(--bad); background: rgba(255, 141, 141, 0.08); border-color: rgba(255, 141, 141, 0.3); }
.task-links { display: flex; gap: 16px; flex-wrap: wrap; margin: 18px 0; }
.task-links a { color: var(--accent); font-size: 0.84rem; }
.record-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.record-grid section { min-width: 0; padding: 18px; background: var(--panel-2); border-radius: 12px; }
.record-wide { grid-column: 1 / -1; }
pre {
  max-height: 400px;
  margin: 0;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  color: #d8dbe2;
  font: 0.78rem/1.55 ui-monospace, SFMono-Regular, Menlo, monospace;
}
.status { min-height: 1.5em; margin: 20px 0 0; color: var(--muted); }
.status.error { color: var(--bad); }

footer {
  padding: 24px 0 44px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 0.84rem;
}

@media (max-width: 940px) {
  .run-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .controls { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .controls button { grid-column: 1 / -1; }
  .summary-panel { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 620px) {
  .site-header { align-items: start; padding: 18px 0; }
  nav { flex-direction: column; gap: 4px; align-items: end; }
  main { padding-top: 50px; }
  .hero { margin-bottom: 64px; }
  .section-heading, .task-head { align-items: start; flex-direction: column; }
  .run-grid, .controls, .summary-panel, .record-grid { grid-template-columns: 1fr; }
  .record-wide { grid-column: auto; }
  .explorer { padding: 18px; }
  .domain-row { grid-template-columns: 105px 1fr 50px; gap: 8px; }
  footer { flex-direction: column; }
}