:root {
  color-scheme: dark;
  --bg: #07080d;
  --panel: #0f1219;
  --line: #1f6feb44;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #ff2e88;
  --accent2: #58a6ff;
  --mono: ui-monospace, "Cascadia Code", "Roboto Mono", monospace;
  --sans: Inter, system-ui, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 10% -10%, #1f6feb18, transparent),
              radial-gradient(900px 500px at 90% 0%, #ff2e8810, transparent),
              var(--bg);
  color: var(--text);
  font: 16px/1.65 var(--sans);
}

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 1.25rem; }

.site-header {
  border-bottom: 1px solid var(--line);
  background: #0a0c12cc;
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.5rem;
}
.brand { text-decoration: none; color: inherit; display: grid; gap: .1rem; }
.brand-kicker { font: 11px/1 var(--mono); letter-spacing: .12em; color: var(--muted); text-transform: uppercase; }
.brand-title { font: 700 1.35rem/1 var(--mono); color: var(--accent); letter-spacing: .08em; }
.brand-sub { font: 12px/1 var(--mono); color: var(--accent2); text-transform: uppercase; letter-spacing: .2em; }
.nav a { color: var(--muted); margin-left: 1rem; text-decoration: none; }
.nav a:hover { color: var(--text); }

.layout { display: grid; grid-template-columns: 280px 1fr; gap: 2rem; padding: 2rem 1.25rem 3rem; }
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { order: 2; }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
}
.panel h2 { margin: 0 0 .75rem; font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.panel.muted { color: var(--muted); font-size: .92rem; }

.post-list { list-style: none; margin: 0; padding: 0; }
.post-list.compact li { margin-bottom: .85rem; }
.post-list.compact a { color: var(--text); text-decoration: none; display: block; font-weight: 600; font-size: .95rem; }
.post-list.compact a.active, .post-list.compact a:hover { color: var(--accent2); }
.post-list.compact time { display: block; font: 12px/1.4 var(--mono); color: var(--muted); margin-top: .2rem; }

.index-intro h1 { margin: 0 0 .5rem; font-family: var(--mono); letter-spacing: .06em; }
.lead { color: var(--muted); max-width: 52ch; }

.post-card {
  padding: 1.25rem 0;
  border-bottom: 1px solid #ffffff10;
}
.post-card time { font: 12px/1 var(--mono); color: var(--muted); }
.post-card h2 { margin: .35rem 0 .5rem; font-size: 1.35rem; }
.post-card h2 a { color: var(--text); text-decoration: none; }
.post-card h2 a:hover { color: var(--accent2); }
.post-card p { margin: 0; color: var(--muted); }

.post-header { margin-bottom: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
.post-meta { color: var(--muted); font: 13px/1.5 var(--mono); margin: 0 0 .75rem; }
.post-header h1 { margin: 0; font-size: clamp(1.6rem, 4vw, 2.2rem); line-height: 1.2; }
.tags { margin: .75rem 0 0; }
.tag {
  display: inline-block;
  font: 11px/1 var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .25rem .55rem;
  margin-right: .35rem;
  color: var(--accent2);
}

.post-body h2, .post-body h3 { font-family: var(--mono); margin-top: 1.75rem; }
.post-body p { max-width: 68ch; }
.post-body code, .post-body pre {
  font-family: var(--mono);
  font-size: .92em;
}
.post-body code {
  background: #161b22;
  padding: .1rem .35rem;
  border-radius: 4px;
  color: #ffa657;
}
.post-body pre {
  background: #0d1117;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
  overflow-x: auto;
}
.post-body a { color: var(--accent2); }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 1.25rem 2.5rem;
  color: var(--muted);
  font-size: .92rem;
}
.site-footer a { color: var(--accent2); }