:root {
  --bg: #0b0f1a;
  --fg: #e6e9ef;
  --muted: #a9b1bd;
  --primary: #6c8cff;
  --primary-2: #8ea8ff;
  --card: #121725;
  --border: #1f2538;
  --good: #5be49b;
  --warn: #ff9966;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 10% -20%, #132042 0%, #0b0f1a 60%), var(--bg);
  background-attachment: fixed;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center center;
  color: var(--fg);
}

.container {
  max-width: 1100px;
  padding: 0 24px;
  margin: 0 auto;
}

.hero {
  padding: 80px 0 48px;
  background: linear-gradient(180deg, rgba(108,140,255,0.10), rgba(108,140,255,0.0));
  border-bottom: 1px solid var(--border);
  margin-bottom: 36px;
}
.hero h1 { font-size: 44px; margin: 0; letter-spacing: 0.5px; }
.hero .subtitle { font-weight: 700; color: var(--primary-2); margin: 12px 0 8px; }
.hero .desc { color: var(--muted); margin: 0 0 16px; }

.cta-group { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.1);
  transition: transform .12s ease, box-shadow .12s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 30px rgba(108,140,255,0.25); }
.btn.btn-outline { background: transparent; color: var(--primary-2); border-color: var(--primary-2); }

main { padding: 40px 0; }
.notice h2 { margin: 0 0 12px; }
.notice p { color: var(--muted); }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
}
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0 0 12px; color: var(--muted); }
.link { color: var(--primary-2); text-decoration: none; }
.link:hover { text-decoration: underline; }

.footer-note { margin-top: 24px; color: var(--muted); }

.footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
}
.footer .container { display: flex; justify-content: space-between; align-items: center; }
.footer nav { display: flex; gap: 12px; }
.footer nav a { color: var(--muted); text-decoration: none; }
.footer nav a:hover { color: var(--fg); }

@media (max-width: 900px) { .grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .grid { grid-template-columns: 1fr; } .hero { padding: 64px 0 36px; margin-bottom: 30px; } }

/* 缓存列表 */
.cache { margin-top: 36px; }
.cache-header { display: flex; flex-direction: column; gap: 16px; }
.cache-header h2 { margin: 0; font-size: 22px; letter-spacing: 0.3px; }
.toolbar { display: grid; gap: 12px; }
.toolbar-top, .toolbar-bottom { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.seg { display: inline-flex; gap: 4px; background: #0e1424; border: 1px solid var(--border); border-radius: 10px; padding: 4px; }
.seg-btn { background: transparent; color: var(--muted); border: 0; padding: 10px 14px; border-radius: 10px; cursor: pointer; min-height: 40px; }
.seg-btn.is-active { background: rgba(108,140,255,0.16); color: var(--primary-2); }
.search { background: #0e1424; border: 1px solid var(--border); color: var(--fg); padding: 12px 14px; border-radius: 12px; width: 320px; min-height: 40px; }
.select { background: #0e1424; border: 1px solid var(--border); color: var(--fg); padding: 12px 14px; border-radius: 12px; min-height: 40px; }
.stats { margin-top: 10px; color: var(--muted); }
.list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 18px; }
.item { background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02)); border: 1px solid var(--border); border-radius: 16px; padding: 16px; transition: transform .12s ease, box-shadow .18s ease, border-color .18s ease; }
.item:hover { transform: translateY(-1px); box-shadow: 0 10px 30px rgba(108,140,255,0.18); border-color: rgba(108,140,255,0.35); }
.item .row { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: flex-start; margin-bottom: 6px; }
.badge { display: inline-block; padding: 4px 10px; border-radius: 999px; font-size: 12px; border: 1px solid var(--border); letter-spacing: 0.2px; }
.badge.css { color: #76e5ff; border-color: rgba(118,229,255,0.3); }
.badge.js { color: #ffd98e; border-color: rgba(255,217,142,0.25); }
.url { display: block; padding: 12px 14px; background: #0e1424; border: 1px solid var(--border); border-radius: 12px; color: var(--primary-2); line-height: 1.5; letter-spacing: 0.2px; white-space: normal; word-break: break-all; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.meta { display: flex; gap: 12px; color: var(--muted); margin-top: 8px; }
.actions { display: flex; gap: 12px; margin-top: 12px; flex-wrap: wrap; }
.btn.small { padding: 10px 12px; border-radius: 10px; font-size: 14px; min-height: 40px; }
.empty { padding: 18px; text-align: center; color: var(--muted); border: 1px dashed var(--border); border-radius: 12px; }

.toast { position: fixed; left: 50%; transform: translateX(-50%); bottom: 22px; color: #0b0f1a; background: rgba(108,140,255,0.9); padding: 10px 14px; border-radius: 999px; box-shadow: 0 10px 30px rgba(0,0,0,0.35); opacity: 0; pointer-events: none; transition: opacity .18s ease, transform .18s ease; }
.toast.show { opacity: 1; }

.sentinel { text-align: center; color: var(--muted); padding: 12px; }
.back-top { position: fixed; right: 22px; bottom: 24px; background: #0e1424; border: 1px solid var(--border); color: var(--fg); padding: 10px 12px; border-radius: 12px; box-shadow: 0 10px 24px rgba(0,0,0,0.25); opacity: 0; pointer-events: none; transition: opacity .18s ease, transform .18s ease; }
.back-top.show { opacity: 1; pointer-events: auto; }

@media (max-width: 1100px) {
  .list { grid-template-columns: 1fr 1fr; }
  .search { width: 280px; }
}
@media (max-width: 900px) {
  .toolbar-top, .toolbar-bottom { gap: 8px; }
  .search { width: 220px; }
}
@media (max-width: 760px) {
  .list { grid-template-columns: 1fr; }
  .search { width: 100%; }
  .item { padding: 14px; border-radius: 14px; }
  .toolbar-top, .toolbar-bottom { flex-direction: column; align-items: stretch; }
}