* { box-sizing: border-box; }
:root {
  color-scheme: dark;
  --surface-primary: #0A0A0A;
  --surface-panel: #18181B;
  --surface-soft: #27272A;
  --line: rgba(161, 161, 170, 0.26);
  --fg-primary: #F8FAFC;
  --fg-secondary: #A1A1AA;
  --accent: #A855F7;
  --accent-rgb: 168, 85, 247;
  --accent-green: #22C55E;
  --accent-yellow: #FACC15;
  --accent-red: #FB7185;
  --rounded-md: 8px;
  --rounded-lg: 12px;
}
body {
  margin: 0;
  background: var(--surface-primary);
  color: var(--fg-primary);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
}
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 240px;
  padding: 28px 20px;
  border-right: 1px solid var(--line);
  background: rgba(10, 10, 10, 0.94);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.brand { font-weight: 800; }
.sidebar-nav { display: grid; gap: 8px; }
.sidebar a,
.text-link {
  color: var(--fg-primary);
  text-decoration: none;
  border-radius: var(--rounded-md);
  padding: 10px 12px;
  background: rgba(var(--accent-rgb), 0.12);
}
.sidebar-note,
p { color: var(--fg-secondary); line-height: 1.7; }
ul {
  margin: 0;
  padding-left: 20px;
  color: var(--fg-secondary);
  line-height: 1.7;
}
.shell { margin-left: 240px; padding: 32px; max-width: 1500px; }
.hero,
.panel,
.contract-card,
.mini-card,
.state-card {
  border: 1px solid var(--line);
  border-radius: var(--rounded-lg);
  background: var(--surface-panel);
}
.hero,
.panel { padding: 28px; margin-bottom: 24px; }
.eyebrow,
.meta,
.breadcrumb {
  color: var(--accent);
  font-family: "Geist Mono", ui-monospace, monospace;
  letter-spacing: 0.04em;
}
.breadcrumb { margin-bottom: 8px; }
.section-head,
.detail-head,
.card-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}
.tab-row,
.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tab-row { margin: 18px 0; }
.tab-row span,
.badge {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(161, 161, 170, 0.08);
}
.badge.ok { color: var(--accent-green); }
.badge.warn { color: var(--accent-yellow); }
.badge.fail { color: var(--accent-red); }
.badge.info { color: var(--accent); }
.card-grid,
.list-grid,
.state-grid {
  display: grid;
  gap: 16px;
}
.card-grid,
.list-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.state-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 18px; }
.contract-card,
.mini-card,
.state-card { padding: 18px; }
.timeline {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}
.timeline-item {
  padding: 14px 16px;
  border-left: 2px solid var(--accent);
  background: rgba(var(--accent-rgb), 0.08);
  border-radius: var(--rounded-md);
}
a:focus-visible,
.text-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
@media (max-width: 1080px) {
  .sidebar {
    position: static;
    width: auto;
  }
  .shell {
    margin-left: 0;
    padding: 18px;
  }
  .card-grid,
  .list-grid,
  .state-grid {
    grid-template-columns: 1fr;
  }
  .section-head,
  .detail-head,
  .card-head {
    flex-direction: column;
  }
}