:root {
  --bg: #0a0e1a;
  --bg-card: #131a2b;
  --bg-elevated: #1a2235;
  --primary: #3b82f6;
  --primary-bright: #60a5fa;
  --accent: #22d3ee;
  --text: #e5e7eb;
  --text-muted: #94a3b8;
  --border: #1f2a40;
  --green: #34d399;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: var(--text); background: var(--bg); line-height: 1.65; }
a { color: var(--primary-bright); text-decoration: none; }
a:hover { color: var(--accent); }

header { background: #0d1322; border-bottom: 1px solid var(--border); padding: 16px 24px; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; position: sticky; top: 0; z-index: 10; }
header .brand { font-size: 22px; font-weight: 800; color: var(--text); letter-spacing: -0.5px; }
header .brand span { color: var(--accent); }
header nav { display: flex; gap: 20px; flex-wrap: wrap; }
header nav a { color: var(--text-muted); font-size: 15px; font-weight: 500; }
header nav a:hover { color: var(--text); }

main { max-width: 1080px; margin: 0 auto; padding: 36px 24px; }
h1 { font-size: 30px; font-weight: 800; margin-bottom: 10px; letter-spacing: -0.5px; }
h2 { font-size: 22px; font-weight: 700; margin: 28px 0 14px; }
.lead { color: var(--text-muted); font-size: 16px; max-width: 680px; }

.hero { text-align: left; padding: 20px 0 10px; }
.hero h1 { font-size: 38px; }
.hero .lead { font-size: 18px; }

.search { width: 100%; padding: 15px 18px; border: 1px solid var(--border); border-radius: 10px; font-size: 16px; margin: 20px 0; background: var(--bg-card); color: var(--text); }
.search::placeholder { color: var(--text-muted); }
.search:focus { outline: none; border-color: var(--primary); }

.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin: 20px 0; }
.cat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 16px 14px; color: var(--text); font-weight: 600; font-size: 15px; transition: border-color .15s, transform .15s; }
.cat-card:hover { border-color: var(--primary); color: var(--text); transform: translateY(-2px); }
.cat-card .count { display: block; color: var(--text-muted); font-size: 13px; font-weight: 400; margin-top: 4px; }

table { width: 100%; border-collapse: collapse; margin: 18px 0; }
th, td { border: 1px solid var(--border); padding: 12px 16px; text-align: left; }
th { background: var(--bg-elevated); font-weight: 600; width: 190px; color: var(--text-muted); }
td { color: var(--text); }

.btn { display: inline-block; background: var(--primary); color: #fff; padding: 13px 26px; border-radius: 8px; font-weight: 700; margin: 18px 12px 0 0; }
.btn:hover { background: var(--primary-bright); color: #fff; }
.btn.alt { background: transparent; border: 1px solid var(--primary); color: var(--primary-bright); }
.btn.alt:hover { background: var(--bg-elevated); }

.badge { display: inline-block; background: rgba(52, 211, 153, .15); color: var(--green); padding: 4px 13px; border-radius: 999px; font-size: 13px; font-weight: 600; }
.badge.warn { background: rgba(251, 191, 36, .15); color: #fbbf24; }

.note { background: rgba(59, 130, 246, .1); border: 1px solid rgba(59, 130, 246, .35); padding: 15px 18px; border-radius: 10px; margin: 20px 0; color: var(--text-muted); font-size: 14px; }

.crumb { color: var(--text-muted); font-size: 14px; margin-bottom: 18px; }
.crumb a { color: var(--text-muted); }
.crumb a:hover { color: var(--accent); }

.part-list { list-style: none; }
.part-list li { border-bottom: 1px solid var(--border); padding: 14px 0; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.part-list li .pn { font-weight: 700; color: var(--text); font-size: 15px; }
.part-list li .pn:hover { color: var(--accent); }
.part-list li .meta { color: var(--text-muted); font-size: 14px; }

.static-content { max-width: 760px; }
.static-content h2 { margin-top: 32px; }
.static-content p, .static-content li { color: var(--text-muted); font-size: 15px; margin-bottom: 10px; }
.static-content ul { padding-left: 22px; margin: 10px 0 20px; }

footer { border-top: 1px solid var(--border); padding: 28px 24px; text-align: center; color: var(--text-muted); font-size: 14px; margin-top: 40px; }
footer a { color: var(--text-muted); }
footer a:hover { color: var(--accent); }

@media (max-width: 640px) {
  header { flex-direction: column; align-items: flex-start; }
  th { width: 120px; }
  .hero h1 { font-size: 30px; }
}