:root {
  --bg: #0b0d12;
  --bg-soft: #12151d;
  --bg-card: #151922;
  --bg-card-hover: #1a1f2b;
  --border: #242a38;
  --border-strong: #313a4d;
  --text: #e8ecf4;
  --text-dim: #9aa4b8;
  --text-faint: #6b7488;
  --accent: #6d5efc;
  --accent-2: #22d3ee;
  --ok: #34d399;
  --warn: #fbbf24;
  --bad: #f87171;
  --unknown: #8b93a7;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
}

html[data-theme="light"] {
  --bg: #f6f7fb;
  --bg-soft: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f3f5fb;
  --border: #e3e7f0;
  --border-strong: #cfd6e5;
  --text: #171a22;
  --text-dim: #5b6479;
  --text-faint: #8b93a7;
  --accent: #5548e8;
  --accent-2: #0891b2;
  --shadow: 0 8px 24px rgba(23, 26, 34, .07);
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(109, 94, 252, .22), transparent 60%),
    radial-gradient(800px 400px at 92% -6%, rgba(34, 211, 238, .14), transparent 60%),
    var(--bg);
  color: var(--text);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

.wrap { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }

/* header */
.site-header { padding: 28px 0 6px; }

.header-inner { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }

.brand { display: flex; gap: 14px; align-items: center; }

.logo {
  display: grid; place-items: center;
  width: 46px; height: 46px; flex: 0 0 46px;
  border-radius: 14px;
  background: linear-gradient(140deg, rgba(109, 94, 252, .9), rgba(34, 211, 238, .75));
  font-size: 22px;
  box-shadow: 0 6px 20px rgba(109, 94, 252, .35);
}

h1 { margin: 0; font-size: 21px; letter-spacing: .2px; font-weight: 700; }

.tagline { margin: 2px 0 0; color: var(--text-dim); font-size: 13px; }

.header-actions { display: flex; gap: 8px; align-items: center; }

.icon-btn, .ghost-btn {
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text-dim);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 13px;
  cursor: pointer;
  transition: .18s;
}
.icon-btn { padding: 8px 10px; }
.icon-btn:hover, .ghost-btn:hover { color: var(--text); border-color: var(--border-strong); transform: translateY(-1px); }

/* stats */
.stats { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }

.stat {
  display: inline-flex; align-items: baseline; gap: 6px;
  padding: 7px 12px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-soft) 78%, transparent);
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--text-dim);
  backdrop-filter: blur(6px);
}
.stat b { font-size: 14px; color: var(--text); font-weight: 650; }
.stat.ok b { color: var(--ok); }
.stat.warn b { color: var(--warn); }
.stat.bad b { color: var(--bad); }

/* toolbar */
.toolbar {
  position: sticky; top: 0; z-index: 20;
  margin: 22px 0 14px;
  padding: 14px 0 10px;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
}

.search-row { display: flex; gap: 10px; }

.search-box {
  flex: 1 1 auto;
  display: flex; align-items: center; gap: 9px;
  padding: 0 14px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text-faint);
  transition: .18s;
}
.search-box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(109, 94, 252, .18); }

.search-box input {
  flex: 1; border: 0; outline: 0; background: transparent;
  color: var(--text); font-size: 14.5px;
}
.search-box input::-webkit-search-cancel-button { display: none; }

select {
  height: 44px;
  padding: 0 34px 0 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  font-size: 13.5px;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239aa4b8' d='M6 8.5 1.5 4h9z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}
select:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

.chip {
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 6px 13px;
  font-size: 12.5px;
  cursor: pointer;
  transition: .16s;
  display: inline-flex; align-items: center; gap: 6px;
}
.chip:hover { color: var(--text); border-color: var(--border-strong); }
.chip[aria-pressed="true"] {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), #8b6cf6);
  box-shadow: 0 4px 14px rgba(109, 94, 252, .35);
}
.chip .c { opacity: .7; font-variant-numeric: tabular-nums; }

.tabs {
  display: flex; gap: 6px; overflow-x: auto;
  margin-top: 10px; padding-bottom: 4px;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

.tab {
  flex: 0 0 auto;
  border: 0;
  background: transparent;
  color: var(--text-dim);
  padding: 7px 12px;
  border-radius: 9px;
  font-size: 13.5px;
  cursor: pointer;
  white-space: nowrap;
  transition: .16s;
}
.tab:hover { background: var(--bg-card); color: var(--text); }
.tab[aria-selected="true"] { background: var(--bg-card); color: var(--text); font-weight: 600; box-shadow: inset 0 -2px 0 var(--accent); }
.tab .c { color: var(--text-faint); font-size: 11.5px; margin-left: 5px; }

/* result meta */
.result-meta {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin: 4px 2px 12px;
  font-size: 12.5px; color: var(--text-faint);
  min-height: 18px;
}

.progress { color: var(--accent-2); }
.progress::before {
  content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 7px;
  border-radius: 50%; background: var(--accent-2);
  animation: pulse 1.4s infinite;
}
@keyframes pulse { 0%, 100% { opacity: .25; } 50% { opacity: 1; } }

/* grid / cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}

.card {
  display: flex; flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 16px 13px;
  transition: transform .18s, border-color .18s, background .18s, box-shadow .18s;
  position: relative;
  overflow: hidden;
}
.card::after {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  opacity: 0; transition: opacity .18s;
}
.card:hover { transform: translateY(-3px); border-color: var(--border-strong); background: var(--bg-card-hover); box-shadow: var(--shadow); }
.card:hover::after { opacity: 1; }

.card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }

.card-title {
  margin: 0; font-size: 16px; font-weight: 650; line-height: 1.4;
  min-width: 0;
}
.card-link {
  display: inline-flex; align-items: center; gap: 6px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%;
}
.card-link:hover { color: var(--accent-2); }
.card-link::after {
  content: "↗"; font-size: 12px; color: var(--text-faint); flex: 0 0 auto;
}

.badge {
  flex: 0 0 auto;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 11.5px;
  background: color-mix(in srgb, var(--unknown) 14%, transparent);
  color: var(--unknown);
  border: 1px solid color-mix(in srgb, var(--unknown) 32%, transparent);
  white-space: nowrap;
}
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 3px color-mix(in srgb, currentColor 20%, transparent); }
.badge.ok { color: var(--ok); background: color-mix(in srgb, var(--ok) 12%, transparent); border-color: color-mix(in srgb, var(--ok) 30%, transparent); }
.badge.warn { color: var(--warn); background: color-mix(in srgb, var(--warn) 12%, transparent); border-color: color-mix(in srgb, var(--warn) 30%, transparent); }
.badge.bad { color: var(--bad); background: color-mix(in srgb, var(--bad) 12%, transparent); border-color: color-mix(in srgb, var(--bad) 30%, transparent); }

.card-summary {
  margin: 9px 0 0;
  color: var(--text-dim);
  font-size: 13.5px;
  line-height: 1.62;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden;
}

.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 11px; }
.tag {
  font-size: 11px; color: var(--text-faint);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 7px;
  background: color-mix(in srgb, var(--bg-soft) 60%, transparent);
}

.card-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  margin-top: auto; padding-top: 13px;
  font-size: 12px; color: var(--text-faint);
}

.rating { color: var(--warn); letter-spacing: 1px; font-size: 12px; white-space: nowrap; }
.rating .num { color: var(--text-dim); margin-left: 5px; letter-spacing: 0; }
.meta { white-space: nowrap; }
.meta .sep { opacity: .45; margin: 0 5px; }

/* empty / more */
.empty { text-align: center; padding: 70px 0; color: var(--text-dim); }
.more-wrap { display: flex; justify-content: center; padding: 26px 0 10px; }
.btn-more {
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  padding: 11px 26px;
  border-radius: 12px;
  font-size: 14px;
  cursor: pointer;
  transition: .18s;
}
.btn-more:hover { border-color: var(--accent); color: var(--accent); }
.btn-more:disabled { opacity: .5; cursor: default; }

/* skeleton */
.skeleton { pointer-events: none; }
.skeleton .sk {
  background: linear-gradient(90deg, var(--bg-soft) 25%, var(--bg-card-hover) 37%, var(--bg-soft) 63%);
  background-size: 400% 100%;
  animation: shimmer 1.3s infinite;
  border-radius: 6px;
}
.skeleton .sk.t { height: 17px; width: 55%; }
.skeleton .sk.s1 { height: 12px; width: 100%; margin-top: 14px; }
.skeleton .sk.s2 { height: 12px; width: 82%; margin-top: 8px; }
.skeleton .sk.f { height: 12px; width: 40%; margin-top: 18px; }
@keyframes shimmer { 0% { background-position: 100% 0; } 100% { background-position: -100% 0; } }

/* footer */
.site-footer {
  margin-top: 46px;
  padding: 26px 0 40px;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 12.5px;
}
.site-footer p { margin: 5px 0; }
.site-footer a { color: var(--text-dim); text-decoration: underline; text-underline-offset: 2px; }
.site-footer a:hover { color: var(--accent-2); }
.foot-links { display: flex; flex-wrap: wrap; gap: 16px; }
.foot-note { opacity: .8; }

@media (max-width: 640px) {
  .wrap { width: calc(100% - 24px); }
  .site-header { padding-top: 18px; }
  h1 { font-size: 18px; }
  .tagline { display: none; }
  .logo { width: 40px; height: 40px; flex-basis: 40px; font-size: 19px; border-radius: 12px; }
  .search-row { flex-wrap: wrap; }
  select { width: 100%; }
  .grid { grid-template-columns: 1fr; gap: 12px; }
  .card { padding: 14px 14px 12px; }
  /* 手机上工具栏较高，取消吸顶避免遮挡列表 */
  .toolbar { margin-top: 14px; position: static; backdrop-filter: none; background: transparent; }
  .stats { gap: 6px; margin-top: 14px; }
  .stat { padding: 6px 10px; font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}