/* Base */
:root {
  --bg: #0b0c0f;
  --surface: #111318;
  --text: #e7e7ea;
  --muted: #a3a3ad;
  --primary: #3b82f6;
  --green: #10b981;
  --red: #ef4444;
  --border: #23262e;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

/* Layout */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
}

header {
  background: linear-gradient(180deg, rgba(59,130,246,0.12), rgba(59,130,246,0.0));
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

nav a {
  color: var(--text);
  text-decoration: none;
  margin-right: 16px;
}
nav a:hover { color: var(--primary); }

/* Typography */
h1 { font-size: 28px; margin: 0 0 8px; }
h2 { font-size: 22px; margin: 32px 0 12px; }
h3 { font-size: 18px; margin: 24px 0 8px; }
p { margin: 0 0 12px; color: var(--text); }
small, .muted { color: var(--muted); }

/* Components */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
}

.section { margin: 20px 0; }
.list { padding-left: 18px; }
.list li { margin: 6px 0; }

.inline-badge {
  display: inline-block;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
  color: var(--muted);
}

.callout {
  border-left: 3px solid var(--primary);
  padding: 12px 16px;
  background: rgba(59,130,246,0.08);
  border-radius: 8px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

footer {
  margin-top: 40px;
  padding: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
}

/* Tables */
table { width: 100%; border-collapse: collapse; }
th, td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; }
th { background: rgba(255,255,255,0.03); }

/* Utilities */
.row { display: flex; gap: 16px; align-items: center; }
.space-between { display: flex; justify-content: space-between; align-items: center; }
.spacer { height: 12px; }
.pill { padding: 4px 10px; border: 1px solid var(--border); border-radius: 999px; }
.primary { color: var(--primary); }
.green { color: var(--green); }
.red { color: var(--red); }

/* Responsive */
@media (max-width: 640px) {
  .container { padding: 16px; }
  h1 { font-size: 24px; }
  h2 { font-size: 20px; }
}