:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --panel: #ffffff;
  --panel-border: #d9deea;
  --text: #0f172a;
  --muted: #5b6475;
  --accent: #2563eb;
  --accent-soft: #dbeafe;
  --ok: #166534;
  --ok-soft: #dcfce7;
  --warn: #92400e;
  --warn-soft: #fef3c7;
  --shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #eef4ff 0%, var(--bg) 24%, #f8fafc 100%);
  color: var(--text);
}

.page {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 64px;
}

.hero, .panel {
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
  padding: 28px;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

h1, h2 { margin: 0; }

h1 {
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.05;
  margin-bottom: 12px;
}

.lede {
  margin: 0;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--muted);
  max-width: 64ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-content: start;
  justify-content: flex-end;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  color: var(--text);
  background: white;
  text-decoration: none;
  font-weight: 600;
}

.button.primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.grid {
  display: grid;
  gap: 24px;
  margin-top: 24px;
}

.two-up {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.preview-layout {
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr);
}

.panel {
  padding: 22px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px;
}

.card {
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 16px;
  background: linear-gradient(180deg, white 0%, #f9fbff 100%);
}

.card-label {
  margin: 0 0 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.card-value {
  margin: 0;
  font-size: 1.65rem;
  font-weight: 700;
}

.card-note, .run-meta {
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.artifact-list, .stack-list, .event-list {
  margin: 0;
  padding-left: 18px;
}

.artifact-list li, .stack-list li, .event-list li {
  margin: 10px 0;
  color: var(--muted);
  line-height: 1.5;
}

.artifact-list a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.code-block {
  overflow-x: auto;
  margin: 18px 0 0;
  padding: 14px 16px;
  border-radius: 18px;
  background: #0f172a;
  color: #e2e8f0;
  font-size: 13px;
}

.heatmap-frame {
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid var(--panel-border);
  background: white;
  padding: 8px;
}

.heatmap-frame svg {
  display: block;
  width: 100%;
  height: auto;
}

.event-type {
  display: inline-flex;
  min-width: 70px;
  justify-content: center;
  margin-right: 10px;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--warn-soft);
  color: var(--warn);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.event-type.ok {
  background: var(--ok-soft);
  color: var(--ok);
}

@media (max-width: 900px) {
  .hero, .two-up, .preview-layout {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    justify-content: flex-start;
  }
}