:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --panel: rgba(255, 255, 255, .84);
  --panel-solid: #ffffff;
  --line: rgba(29, 47, 73, .11);
  --text: #172033;
  --muted: #69768a;
  --green: #159a6c;
  --green-soft: #e2f7ee;
  --yellow: #b87708;
  --blue: #356ae6;
  --radius: 20px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 82% 4%, rgba(64, 196, 145, .12), transparent 25%),
    radial-gradient(circle at 5% 76%, rgba(68, 116, 230, .09), transparent 26%),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
.ambient { position: fixed; width: 520px; height: 520px; border-radius: 50%; filter: blur(130px); opacity: .08; pointer-events: none; z-index: -1; }
.ambient-one { background: #31c48d; top: -280px; right: -120px; }
.ambient-two { background: #4a78e5; bottom: -360px; left: -220px; }
.site-header, main, footer { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.site-header { height: 82px; display: flex; align-items: center; justify-content: flex-start; gap: 44px; border-bottom: 1px solid var(--line); }
.brand { display: flex; gap: 12px; align-items: center; font-weight: 760; letter-spacing: -.02em; }
.brand-mark { display: flex; align-items: end; gap: 3px; width: 28px; height: 28px; padding: 5px; border: 1px solid rgba(21,154,108,.35); background: var(--green-soft); border-radius: 8px; }
.brand-mark i { display: block; width: 4px; background: var(--green); border-radius: 4px; }
.brand-mark i:nth-child(1) { height: 7px; }.brand-mark i:nth-child(2) { height: 12px; }.brand-mark i:nth-child(3) { height: 17px; }
nav { display: flex; gap: 28px; color: var(--muted); font-size: 14px; }
nav a:hover { color: var(--text); }
.hero { padding: 88px 0 58px; max-width: 820px; }
.eyebrow { color: var(--green); font-size: 11px; font-weight: 800; letter-spacing: .18em; }
.live-dot { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(21,154,108,.10); }
.hero h1 { font-size: clamp(52px, 8vw, 92px); line-height: .98; letter-spacing: -.07em; margin: 24px 0 28px; }
.hero h1 em { color: var(--green); font-style: normal; }
.hero > p { color: #66758b; font-size: 18px; max-width: 680px; }
.hero-meta { display: flex; gap: 14px; margin-top: 28px; color: #8591a3; font-size: 12px; }
.hero-meta .warning { color: var(--yellow); }
.summary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 34px; }
.summary-grid article, .metric-panel { background: linear-gradient(145deg, rgba(255,255,255,.98), rgba(247,250,253,.96)); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: 0 14px 38px rgba(37, 55, 83, .06); }
.summary-grid span, .metric-panel span { color: var(--muted); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.summary-grid strong, .metric-panel strong { display: block; font-size: 34px; margin: 7px 0 2px; letter-spacing: -.04em; }
.summary-grid small, .metric-panel small { color: #8a96a7; }
.ranking-shell { margin-bottom: 84px; }
.ranking-head { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.tabs { display: flex; gap: 6px; }
.tabs a { padding: 10px 16px; border-radius: 999px; color: var(--muted); font-size: 14px; }
.tabs a.active { color: #ffffff; background: var(--green); box-shadow: 0 7px 18px rgba(21,154,108,.22); font-weight: 760; }
.filter { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 12px; }
select { appearance: none; background: #ffffff; color: var(--text); border: 1px solid var(--line); border-radius: 10px; padding: 9px 34px 9px 12px; box-shadow: 0 5px 16px rgba(37,55,83,.05); }
.ranking-note { padding: 18px 2px 14px; color: #7a8799; font-size: 13px; }
.repo-list { border-top: 1px solid var(--line); }
.repo-card { position: relative; display: grid; grid-template-columns: 58px minmax(0, 1fr) 120px 32px; gap: 18px; align-items: center; padding: 25px 10px; border-bottom: 1px solid var(--line); transition: background .2s ease, transform .2s ease; }
.repo-card:hover { background: rgba(255,255,255,.72); box-shadow: 0 12px 32px rgba(37,55,83,.05); transform: translateX(4px); }
.rank { color: #9aa6b7; font: 700 18px ui-monospace, SFMono-Regular, Menlo, monospace; }
.rank.top { color: var(--yellow); }
.repo-title-line { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.repo-name { font-size: 18px; font-weight: 760; letter-spacing: -.02em; }
.repo-name span { color: #8290a3; font-weight: 500; }
.repo-name:hover { color: var(--green); }
.language, .topic { display: inline-flex; align-items: center; gap: 6px; padding: 3px 8px; border: 1px solid var(--line); background: rgba(255,255,255,.72); border-radius: 999px; color: #718095; font-size: 11px; }
.language i { width: 6px; height: 6px; background: var(--blue); border-radius: 50%; }
.repo-main p { max-width: 760px; color: #6f7c8f; margin: 9px 0 13px; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.metrics { display: flex; gap: 18px; flex-wrap: wrap; color: #78869a; font-size: 12px; }
.metrics strong { color: var(--green); }
.score-block { text-align: right; }
.score-block > span { color: #8995a6; font-size: 9px; letter-spacing: .16em; }
.score-block > strong { display: block; font: 700 25px ui-monospace, SFMono-Regular, monospace; }
.score-bar { height: 3px; margin-top: 8px; background: #dfe5ec; overflow: hidden; }
.score-bar i { display: block; height: 100%; width: var(--score); background: linear-gradient(90deg, var(--blue), var(--green)); }
.external { color: #92a0b2; font-size: 18px; }
.external:hover { color: var(--green); }
.empty-state { padding: 70px 20px; text-align: center; color: var(--muted); }
.empty-state strong { display: block; color: var(--text); font-size: 20px; margin-bottom: 8px; }
footer { display: flex; justify-content: space-between; gap: 20px; padding: 28px 0 44px; border-top: 1px solid var(--line); color: #8b97a8; font-size: 12px; }

.detail-hero { padding: 60px 0 34px; }
.back-link { color: var(--muted); font-size: 13px; }
.back-link:hover { color: var(--green); }
.detail-title { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-top: 36px; }
.detail-owner { color: var(--green); font: 700 14px ui-monospace, monospace; }
.detail-title h1 { margin: 2px 0 0; font-size: clamp(48px, 7vw, 76px); line-height: 1; letter-spacing: -.06em; }
.github-button { padding: 12px 18px; border: 1px solid rgba(124,247,197,.4); border-radius: 12px; color: var(--green); font-size: 13px; }
.detail-hero > p { color: #6e7c90; max-width: 800px; font-size: 17px; margin: 24px 0 18px; }
.topic-row { display: flex; gap: 8px; flex-wrap: wrap; }
.detail-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 12px 0 36px; }
.metric-panel.accent { border-color: rgba(21,154,108,.25); background: linear-gradient(145deg, #f1fcf7, #ffffff); }.metric-panel.accent strong { color: var(--green); }
.chart-panel, .signal-panel { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; margin-bottom: 24px; background: var(--panel); box-shadow: 0 18px 46px rgba(37,55,83,.06); backdrop-filter: blur(18px); }
.panel-head { display: flex; justify-content: space-between; gap: 20px; align-items: end; }
.panel-head h2 { margin: 6px 0 0; font-size: 22px; }.panel-head small { color: var(--muted); }
.history-chart { min-height: 320px; display: flex; flex-direction: column; justify-content: center; margin-top: 24px; }
.history-chart svg { width: 100%; height: auto; max-height: 300px; overflow: visible; }
.grid-line { stroke: rgba(29,47,73,.12); }.chart-line { fill: none; stroke: var(--green); stroke-width: 4; stroke-linejoin: round; stroke-linecap: round; filter: drop-shadow(0 4px 7px rgba(21,154,108,.24)); }
.chart-labels { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 11px; }.chart-labels strong { color: var(--green); }
.chart-empty { text-align: center; color: #8a97a9; }
.signal-rows { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 24px; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.signal-rows div { padding: 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.signal-rows span { display: block; color: var(--muted); font-size: 12px; }.signal-rows strong { display: block; margin-top: 6px; font-size: 20px; }

@media (max-width: 800px) {
  .site-header, main, footer { width: min(100% - 24px, 1180px); }
  nav a:not(:first-child) { display: none; }
  .hero { padding-top: 58px; }.hero h1 { font-size: 52px; }
  .summary-grid, .detail-grid { grid-template-columns: 1fr 1fr; }
  .ranking-head { align-items: flex-start; flex-direction: column; }
  .tabs { width: 100%; overflow-x: auto; }.tabs a { white-space: nowrap; }
  .repo-card { grid-template-columns: 38px minmax(0,1fr) 70px; gap: 10px; }.repo-card .external { display: none; }
  .score-block > strong { font-size: 20px; }.repo-main p { white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
  .metrics { gap: 10px; }.detail-title { align-items: flex-start; flex-direction: column; }
  .signal-rows { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
  .hero h1 { font-size: 44px; }.hero > p { font-size: 16px; }
  .summary-grid, .detail-grid { grid-template-columns: 1fr; }
  .summary-grid article { padding: 19px; }
  .repo-card { grid-template-columns: 28px minmax(0,1fr); }.score-block { display: none; }
  .rank { font-size: 14px; }.repo-name { font-size: 16px; }
  .signal-rows { grid-template-columns: 1fr; }
  .panel-head, footer { align-items: flex-start; flex-direction: column; }
}