:root {
  --bg: #0b0f1a;
  --bg-soft: #101728;
  --card: #121a2e;
  --border: #1e2a47;
  --text: #e6eaf4;
  --muted: #8b93a7;
  --accent: #5b8cff;
  --accent-soft: rgba(91, 140, 255, 0.14);
  --green: #3ecf8e;
  --amber: #f5a623;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  --max-width: 1080px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { color-scheme: dark; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

[hidden] { display: none !important; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 15, 26, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--accent); color: #0b0f1a;
  font-weight: 800; font-size: 13px; letter-spacing: -0.5px;
}
.brand-name { font-weight: 700; font-size: 16px; }
.nav { display: flex; gap: 22px; font-size: 14px; }
.nav a { color: var(--muted); }
.nav a:hover { color: var(--text); text-decoration: none; }

/* hero */
.hero { padding: 56px 0 32px; text-align: center; }
.hero h1 { font-size: clamp(26px, 4vw, 40px); letter-spacing: -0.5px; }
.tagline { color: var(--muted); margin-top: 12px; font-size: 16px; }
.stats { display: flex; justify-content: center; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.stat {
  min-width: 130px; padding: 16px 22px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
}
.stat strong { display: block; font-size: 26px; color: var(--accent); }
.stat span { font-size: 13px; color: var(--muted); }

/* toolbar */
.toolbar { display: flex; gap: 12px; margin: 28px 0 14px; }
.search {
  flex: 1; min-width: 0;
  padding: 12px 16px; font-size: 15px;
  background: var(--card); color: var(--text);
  border: 1px solid var(--border); border-radius: 12px;
  outline: none;
}
.search:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.sort {
  padding: 0 14px; font-size: 14px;
  background: var(--card); color: var(--text);
  border: 1px solid var(--border); border-radius: 12px;
  outline: none; cursor: pointer;
}

/* pills */
.pills {
  display: flex; gap: 8px;
  overflow-x: auto; padding-bottom: 8px; margin-bottom: 12px;
  scrollbar-width: thin;
}
.pill {
  flex-shrink: 0;
  padding: 7px 14px; font-size: 13px;
  background: var(--card); color: var(--muted);
  border: 1px solid var(--border); border-radius: 999px;
  cursor: pointer; transition: all 0.15s;
}
.pill em { font-style: normal; opacity: 0.65; margin-left: 2px; }
.pill:hover { color: var(--text); border-color: var(--accent); }
.pill.active { background: var(--accent); border-color: var(--accent); color: #0b0f1a; font-weight: 600; }
.pill.active em { opacity: 0.75; }

.result-count { color: var(--muted); font-size: 13px; margin: 6px 0 16px; }
.result-count strong { color: var(--text); }

/* grid */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; padding-bottom: 48px; }
.card {
  display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
}
.card:hover { transform: translateY(-2px); border-color: #2b3d6b; box-shadow: var(--shadow); }
.card-main { flex: 1; padding: 16px 16px 10px; display: block; color: var(--text); }
.card-main:hover { text-decoration: none; }
.card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.badge {
  display: inline-block; padding: 3px 9px; font-size: 12px;
  background: var(--accent-soft); color: var(--accent);
  border-radius: 999px; font-weight: 600;
}
.stars { font-size: 13px; color: var(--muted); }
.card-title { font-size: 15px; font-weight: 700; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; word-break: break-all; }
.card-summary {
  margin-top: 6px; font-size: 13.5px; color: var(--muted);
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
  min-height: 3.9em;
}
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chip {
  padding: 2px 8px; font-size: 11.5px; color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border); border-radius: 999px;
}
.chip-accent { color: var(--accent); border-color: rgba(91, 140, 255, 0.35); }
.chip-green { color: var(--green); border-color: rgba(62, 207, 142, 0.35); }
.card-foot {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 16px; border-top: 1px solid var(--border);
  font-size: 12.5px; color: var(--muted);
}
.card-link { color: var(--accent); font-weight: 600; }

/* detail */
.detail { padding: 32px 0 56px; max-width: 760px; }
.back { display: inline-block; margin-bottom: 20px; font-size: 14px; color: var(--muted); }
.badges { display: flex; gap: 8px; margin-bottom: 12px; }
.badge-warn { background: rgba(245, 166, 35, 0.12); color: var(--amber); }
.detail h1 { font-size: clamp(24px, 3.5vw, 34px); word-break: break-all; }
.detail-summary { margin-top: 14px; font-size: 17px; color: var(--text); }
.detail-desc {
  margin-top: 14px; padding: 12px 16px;
  background: var(--bg-soft); border-left: 3px solid var(--accent);
  border-radius: 0 10px 10px 0; color: var(--muted); font-size: 14px;
}
.detail-chips { margin-top: 18px; }
.meta {
  margin-top: 22px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.meta-row { display: flex; gap: 16px; padding: 12px 16px; border-bottom: 1px solid var(--border); font-size: 14px; }
.meta-row:last-child { border-bottom: none; }
.meta-label { width: 88px; flex-shrink: 0; color: var(--muted); }
.meta-row a { word-break: break-all; }
.detail-actions { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }

/* buttons */
.btn {
  display: inline-block; padding: 10px 18px; font-size: 14px; font-weight: 600;
  border-radius: 10px; border: 1px solid var(--border);
  background: var(--card); color: var(--text); cursor: pointer;
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #0b0f1a; }
.btn-primary:hover { filter: brightness(1.08); }

/* submit */
.submit { max-width: 640px; margin: 40px auto 64px; }
.submit h1 { font-size: 30px; }
.lead { margin-top: 10px; color: var(--muted); }
.form { margin-top: 26px; display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 600; }
.field em { color: var(--accent); font-style: normal; }
.field input, .field select, .field textarea {
  padding: 11px 14px; font-size: 14px; font-weight: 400;
  background: var(--card); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px; outline: none;
  font-family: inherit;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft);
}
.form .btn { align-self: flex-start; }
.hint { margin-top: 18px; font-size: 13px; color: var(--muted); }
.hint.warn { color: var(--amber); }

/* footer */
.site-footer { border-top: 1px solid var(--border); padding: 28px 0 40px; }
.footer-inner { display: flex; flex-direction: column; gap: 6px; color: var(--muted); font-size: 13px; }

@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
  .toolbar { flex-direction: column; }
  .hero { padding-top: 36px; }
}