:root {
  --bg: #0f172a;
  --surface: #111b34;
  --surface-strong: #172554;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --link: #38bdf8;
  --accent: #f59e0b;
  --border: #1f2a44;
  --code-bg: #0b1224;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Georgia", "Times New Roman", serif;
  background:
    radial-gradient(1200px 600px at 20% -10%, #1e293b 0%, transparent 60%),
    radial-gradient(900px 500px at 90% 0%, #0b2a46 0%, transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.7;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.container {
  max-width: 920px;
  margin: 0 auto;
  padding: 24px;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, #0f172a 0%, #0b1022 40%, #0c1f3a 100%);
}

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
}

.lead {
  color: var(--muted);
  margin-top: 8px;
}

.card {
  background: linear-gradient(160deg, var(--surface) 0%, #0f1b33 100%);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin: 20px 0;
  box-shadow: 0 14px 30px rgba(2, 8, 23, 0.35);
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.breadcrumb {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 8px 0 20px;
}

.breadcrumb .sep {
  margin: 0 6px;
}

.content h2 {
  margin-top: 24px;
  color: #f8fafc;
  border-left: 4px solid var(--accent);
  padding-left: 10px;
}

pre {
  background: var(--code-bg);
  padding: 14px;
  border-radius: 8px;
  overflow-x: auto;
  border: 1px solid var(--border);
}

code {
  font-family: "Courier New", monospace;
  color: #e5e7eb;
}

ul, ol {
  padding-left: 20px;
}

blockquote {
  margin: 18px 0;
  padding: 10px 16px;
  border-left: 4px solid var(--accent);
  background: rgba(245, 158, 11, 0.08);
  color: #fde68a;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.95rem;
}

th, td {
  border: 1px solid var(--border);
  padding: 10px;
  text-align: left;
}

th {
  background: var(--surface-strong);
}