:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --text: #14181f;
  --muted: #5c6675;
  --border: #dfe3e9;
  --accent: #2563eb;
  --accent-2: #7c3aed;
  --green: #16845b;
  --green-bg: #e7f6ef;
  --amber: #9a5b00;
  --amber-bg: #fff4de;
  --red: #b42318;
  --shadow: 0 10px 30px rgba(20, 24, 31, .06);
  --radius: 16px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c1016;
    --surface: #121821;
    --surface-2: #1a2230;
    --text: #e8edf5;
    --muted: #9aa6b8;
    --border: #263143;
    --accent: #6ea0ff;
    --accent-2: #b08cff;
    --green: #5bd6a2;
    --green-bg: #10352a;
    --amber: #f0b45c;
    --amber-bg: #3a2a10;
    --red: #ff8a80;
    --shadow: 0 10px 30px rgba(0, 0, 0, .35);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .92em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 5px;
}

.wrap { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 750;
  letter-spacing: -.02em;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  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 {
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 36px;
  align-items: center;
  padding: 64px 0 34px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .18em;
}

h1 {
  margin: 0 0 18px;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.08;
  letter-spacing: -.045em;
}

h2 {
  margin: 0;
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: -.03em;
}

h3 { margin: 0 0 8px; font-size: 16px; letter-spacing: -.01em; }

.lede {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 16px;
  max-width: 62ch;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font-weight: 650;
  font-size: 14px;
  cursor: pointer;
}
.button:hover { text-decoration: none; border-color: var(--accent); }
.button.primary {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.hero-card {
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.hero-card-label {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .16em;
}
.hero-card-main {
  margin: 8px 0 6px;
  font-size: 22px;
  font-weight: 750;
  letter-spacing: -.02em;
}
.hero-card-sub { color: var(--muted); font-size: 13px; }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 26px;
}
.stat {
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
}
.stat-value { font-size: 26px; font-weight: 800; letter-spacing: -.03em; }
.stat-label { color: var(--muted); font-size: 12px; }

.panel {
  margin: 26px 0;
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
}
.panel-sub {
  max-width: 58ch;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  text-align: right;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.tab {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 6px 10px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 12.5px;
  cursor: pointer;
}
.tab:hover { background: var(--surface-2); color: var(--text); }
.tab[aria-selected="true"] {
  background: var(--surface-2);
  border-color: var(--border);
  color: var(--text);
  font-weight: 700;
}
.tab .tab-count { color: var(--muted); font-size: 11px; margin-left: 4px; }

.controls {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 12px;
  margin: 16px 0 8px;
}
.search { flex: 1 1 280px; display: flex; flex-direction: column; gap: 4px; font-size: 11px; color: var(--muted); }
.select { display: flex; flex-direction: column; gap: 4px; font-size: 11px; color: var(--muted); }
input[type="search"], select {
  min-height: 36px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 13px;
}
input[type="search"]:focus, select:focus { outline: 2px solid color-mix(in srgb, var(--accent) 35%, transparent); outline-offset: 0; }

.surface-note {
  margin: 8px 0 14px;
  color: var(--muted);
  font-size: 12.5px;
  padding: 9px 12px;
  border-left: 3px solid var(--amber);
  background: var(--amber-bg);
  border-radius: 0 8px 8px 0;
}
.surface-note.measured { border-left-color: var(--green); background: var(--green-bg); }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 14px 0 18px;
}
.card {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
}
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.card-rank { color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.card-name { margin: 8px 0 2px; font-size: 16px; font-weight: 750; }
.card-author { color: var(--muted); font-size: 12px; }
.card-score { margin: 12px 0 4px; font-size: 28px; font-weight: 850; letter-spacing: -.04em; }
.card-score small { color: var(--muted); font-size: 13px; font-weight: 600; }
.card-summary { color: var(--muted); font-size: 12.5px; min-height: 40px; }
.card-foot { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
  white-space: nowrap;
}
.chip.measured { color: var(--green); background: var(--green-bg); border-color: transparent; }
.chip.prior { color: var(--amber); background: var(--amber-bg); border-color: transparent; }

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
th {
  color: var(--muted);
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: var(--surface-2);
  white-space: nowrap;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: color-mix(in srgb, var(--accent) 4%, transparent); }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.plugin-cell { min-width: 230px; }
.plugin-name { font-weight: 700; }
.plugin-meta { color: var(--muted); font-size: 11.5px; }
.score-cell { min-width: 130px; }
.score-line { display: flex; align-items: baseline; gap: 6px; justify-content: flex-end; }
.score-value { font-size: 16px; font-weight: 800; }
.score-scale { color: var(--muted); font-size: 11px; }
.bar { height: 4px; margin-top: 5px; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.bar > span { display: block; height: 100%; border-radius: inherit; background: var(--accent); }
.bar.measured > span { background: var(--green); }
.bar.prior > span { background: var(--muted); }

.badge-cell { min-width: 110px; }
.badge-img { display: block; max-width: 160px; height: 20px; }
.copy {
  margin-top: 4px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 7px;
  background: var(--surface);
  color: var(--muted);
  font: inherit;
  font-size: 11px;
  cursor: pointer;
}
.copy:hover { color: var(--text); border-color: var(--accent); }

.empty { padding: 18px; color: var(--muted); text-align: center; }

.attention-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.attention-block {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
}
.attention-block h3 { display: flex; align-items: center; justify-content: space-between; }
.attention-block ul { margin: 8px 0 0; padding: 0; list-style: none; }
.attention-block li { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 6px 0; border-top: 1px dashed var(--border); font-size: 13px; }
.attention-block li:first-child { border-top: none; }
.attention-block .muted { color: var(--muted); font-size: 12px; }

.contributor-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.contributor {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 14px; border: 1px solid var(--border); border-radius: 12px;
}
.contributor-name { font-weight: 700; }
.contributor-meta { color: var(--muted); font-size: 12px; }
.contributor-credit { font-size: 20px; font-weight: 800; white-space: nowrap; }
.badge-gold { color: #b7791f; }
.badge-silver { color: #718096; }
.badge-bronze { color: #9c4221; }

.how-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.how-grid article { padding: 16px; border: 1px solid var(--border); border-radius: 12px; }
.how-grid p { margin: 0 0 8px; color: var(--muted); font-size: 13px; }
.muted { color: var(--muted); }

.formula {
  margin: 18px 0 0;
  padding: 14px;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--text);
  font-size: 12.5px;
  line-height: 1.7;
}

.error {
  margin: 24px 0;
  padding: 16px;
  border: 1px solid var(--red);
  border-radius: 10px;
  color: var(--red);
  background: color-mix(in srgb, var(--red) 8%, var(--surface));
}

.footer { margin-top: 40px; border-top: 1px solid var(--border); }
.footer-inner {
  display: flex; justify-content: space-between; gap: 20px;
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 40px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: 1fr; }
  .attention-grid, .how-grid, .contributor-grid { grid-template-columns: 1fr; }
  .panel-head { align-items: flex-start; flex-direction: column; gap: 8px; }
  .panel-sub { text-align: left; }
}

@media (max-width: 620px) {
  .wrap { width: calc(100% - 24px); }
  .nav { display: none; }
  .panel { padding: 18px; }
  .stats { grid-template-columns: 1fr 1fr; }
  h1 { font-size: 36px; }
}