:root {
  --ink: #0f1c24;
  --ink-2: #1a2e3a;
  --muted: #5a6f7c;
  --line: #d5e0e6;
  --paper: #f4f8f9;
  --card: #ffffff;
  --teal: #0d9488;
  --teal-deep: #0f766e;
  --teal-soft: #ccfbf1;
  --amber: #b45309;
  --danger: #b91c1c;
  --shadow: 0 10px 30px rgba(15, 28, 36, 0.08);
  --radius: 14px;
  --font: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #d1fae5 0%, transparent 55%),
    radial-gradient(900px 400px at 100% 0%, #e0f2fe 0%, transparent 50%),
    var(--paper);
  min-height: 100vh;
  line-height: 1.5;
}

code, pre, .mono { font-family: var(--mono); }

a { color: var(--teal-deep); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--teal); }

.container { width: min(1100px, calc(100% - 2rem)); margin-inline: auto; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff;
  padding: 0.5rem 1rem; z-index: 100;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

.site-header {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(10px);
  background: rgba(244, 248, 249, 0.85);
  border-bottom: 1px solid rgba(213, 224, 230, 0.8);
}

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0.85rem 0;
}

.brand { display: flex; align-items: center; gap: 0.75rem; }
.brand-mark {
  width: 2.4rem; height: 2.4rem; border-radius: 10px;
  display: grid; place-items: center;
  background: linear-gradient(145deg, var(--teal), var(--teal-deep));
  color: #fff; font-size: 1.25rem; box-shadow: var(--shadow);
}
.brand-title { font-weight: 700; letter-spacing: -0.02em; }
.brand-sub { font-size: 0.8rem; color: var(--muted); }

.header-actions { display: flex; gap: 0.5rem; align-items: center; }

.btn {
  appearance: none; border: 1px solid transparent; border-radius: 10px;
  padding: 0.45rem 0.85rem; font: inherit; font-size: 0.9rem; cursor: pointer;
  background: var(--teal); color: #fff; transition: 0.15s ease;
}
.btn:hover { background: var(--teal-deep); }
.btn.ghost {
  background: transparent; color: var(--ink-2); border-color: var(--line);
}
.btn.ghost:hover { border-color: var(--teal); color: var(--teal-deep); background: #fff; }
.btn.copy { flex-shrink: 0; }
.btn.small { padding: 0.3rem 0.65rem; font-size: 0.8rem; }

.lang-toggle {
  appearance: none; border: 1px solid var(--line); background: #fff;
  border-radius: 999px; padding: 0.35rem 0.75rem; font: inherit; font-size: 0.8rem;
  color: var(--ink-2); cursor: pointer;
}
.lang-toggle:hover { border-color: var(--teal); }

.hero { padding: 2.5rem 0 1.25rem; }
.eyebrow {
  display: inline-block; margin: 0 0 0.75rem;
  padding: 0.2rem 0.65rem; border-radius: 999px;
  background: var(--teal-soft); color: var(--teal-deep);
  font-size: 0.8rem; font-weight: 600;
}
.hero h1 {
  margin: 0 0 0.5rem; font-size: clamp(1.7rem, 4vw, 2.4rem);
  letter-spacing: -0.03em; line-height: 1.2;
}
.hero-lead { margin: 0 0 1.25rem; color: var(--muted); max-width: 42rem; }

.repo-add {
  display: flex; gap: 0.5rem; align-items: stretch; flex-wrap: wrap;
  margin-bottom: 1.25rem; background: var(--ink); color: #e8f3f1;
  border-radius: var(--radius); padding: 0.65rem 0.75rem; box-shadow: var(--shadow);
}
.repo-add code {
  flex: 1; min-width: 0; overflow-x: auto; white-space: nowrap;
  font-size: 0.82rem; padding: 0.35rem 0.25rem;
}
.repo-add .btn { background: var(--teal); }

.search-row {
  display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center;
  margin-bottom: 1rem;
}
#searchInput {
  flex: 1; min-width: min(100%, 280px);
  border: 1px solid var(--line); border-radius: 12px;
  padding: 0.85rem 1rem; font: inherit; font-size: 1rem;
  background: #fff; color: var(--ink); outline: none;
  box-shadow: 0 1px 0 rgba(15,28,36,0.03);
}
#searchInput:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(13,148,136,0.18); }
.search-meta { color: var(--muted); font-size: 0.9rem; }

.chips { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.chip {
  appearance: none; border: 1px solid var(--line); background: #fff;
  border-radius: 999px; padding: 0.35rem 0.8rem; font: inherit; font-size: 0.82rem;
  color: var(--ink-2); cursor: pointer;
}
.chip:hover { border-color: var(--teal); }
.chip.active {
  background: var(--teal-soft); border-color: #5eead4; color: var(--teal-deep);
  font-weight: 600;
}

.catalog { padding: 0.5rem 0 3rem; }

.status {
  margin: 0.5rem 0 1rem; padding: 0.85rem 1rem; border-radius: 12px;
  background: #fff; border: 1px solid var(--line); color: var(--muted);
}
.status.loading { border-color: #99f6e4; background: #f0fdfa; color: var(--teal-deep); }
.status.error { border-color: #fecaca; background: #fef2f2; color: var(--danger); }
.status.empty { border-style: dashed; }
.status[hidden] { display: none; }

.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.chart-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem 1.05rem; box-shadow: var(--shadow); cursor: pointer;
  transition: border-color 0.15s, transform 0.15s;
  display: flex; flex-direction: column; gap: 0.55rem; text-align: left;
  font: inherit; color: inherit; width: 100%;
}
.chart-card:hover, .chart-card:focus-visible {
  border-color: var(--teal); outline: none; transform: translateY(-1px);
}

.card-top { display: flex; justify-content: space-between; gap: 0.75rem; align-items: flex-start; }
.card-name { font-weight: 700; font-size: 1.05rem; letter-spacing: -0.02em; word-break: break-word; }
.card-family {
  flex-shrink: 0; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.04em;
  padding: 0.2rem 0.5rem; border-radius: 999px; background: var(--paper);
  color: var(--muted); border: 1px solid var(--line);
}
.card-desc {
  color: var(--muted); font-size: 0.88rem;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  min-height: 2.6em;
}
.card-meta {
  display: flex; flex-wrap: wrap; gap: 0.5rem 0.85rem; font-size: 0.82rem; color: var(--ink-2);
  margin-top: auto; padding-top: 0.35rem; border-top: 1px dashed var(--line);
}
.card-meta strong { color: var(--teal-deep); font-weight: 700; }

.site-footer {
  border-top: 1px solid var(--line); padding: 1.5rem 0 2rem; color: var(--muted); font-size: 0.9rem;
}
.footer-inner { display: flex; flex-direction: column; gap: 0.35rem; }
.footer-inner code { font-size: 0.85em; }

/* Modal */
.modal { position: fixed; inset: 0; z-index: 80; display: grid; place-items: center; padding: 1rem; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(15, 28, 36, 0.45); }
.modal-panel {
  position: relative; width: min(720px, 100%); max-height: min(88vh, 900px);
  overflow: auto; background: #fff; border-radius: 18px; box-shadow: var(--shadow);
  padding: 1.25rem 1.25rem 1.5rem; border: 1px solid var(--line);
}
.modal-close {
  position: absolute; top: 0.65rem; right: 0.75rem;
  appearance: none; border: 0; background: transparent; font-size: 1.6rem;
  line-height: 1; cursor: pointer; color: var(--muted); width: 2rem; height: 2rem;
}
.modal-close:hover { color: var(--ink); }

.modal-title { margin: 0 2rem 0.25rem 0; font-size: 1.45rem; letter-spacing: -0.02em; }
.modal-family { color: var(--muted); font-size: 0.85rem; margin-bottom: 0.75rem; }
.modal-desc { color: var(--ink-2); margin: 0 0 1rem; }

.meta-list {
  display: grid; gap: 0.35rem; margin: 0 0 1.1rem; padding: 0.75rem;
  background: var(--paper); border-radius: 12px; border: 1px solid var(--line);
  font-size: 0.88rem;
}
.meta-list a { word-break: break-all; }

.cmd-block { margin-bottom: 1rem; }
.cmd-block label {
  display: block; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--muted); margin-bottom: 0.35rem; font-weight: 600;
}
.cmd-row {
  display: flex; gap: 0.45rem; align-items: stretch; background: var(--ink);
  color: #e8f3f1; border-radius: 10px; padding: 0.5rem 0.55rem;
}
.cmd-row code {
  flex: 1; overflow-x: auto; white-space: nowrap; font-size: 0.78rem; padding: 0.3rem 0.2rem;
}

.version-bar {
  display: flex; flex-wrap: wrap; gap: 0.65rem; align-items: center;
  margin-bottom: 1rem;
}
.version-bar select {
  border: 1px solid var(--line); border-radius: 10px; padding: 0.45rem 0.65rem;
  font: inherit; background: #fff;
}

.version-list {
  list-style: none; margin: 0; padding: 0; display: grid; gap: 0.4rem;
  max-height: 220px; overflow: auto;
}
.version-list li {
  display: flex; justify-content: space-between; gap: 0.75rem; flex-wrap: wrap;
  padding: 0.45rem 0.6rem; border: 1px solid var(--line); border-radius: 10px;
  font-size: 0.86rem; background: #fff;
}
.version-list .ver { font-weight: 700; font-family: var(--mono); }
.version-list .muted { color: var(--muted); }

.toast {
  position: fixed; bottom: 1.25rem; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: 0.55rem 1rem; border-radius: 999px;
  font-size: 0.88rem; z-index: 100; box-shadow: var(--shadow);
  opacity: 0; pointer-events: none; transition: opacity 0.2s;
}
.toast.show { opacity: 1; }

@media (max-width: 640px) {
  .hero { padding-top: 1.5rem; }
  .repo-add { flex-direction: column; }
  .modal-panel { padding: 1rem; border-radius: 14px; }
}