:root {
  --bg: #0a0a0c;
  --bg-elev: #131318;
  --bg-elev2: #1c1c23;
  --line: #26262f;
  --line-soft: #1f1f27;
  --fg: #e8e9ea;
  --fg-dim: #b6b7bd;
  --muted: #7d7e87;
  --accent: #74c0fc;
  --accent-deep: #4c8ed1;
  --warn: #fab005;
  --danger: #fa5252;
  --success: #51cf66;
  --add-bg: rgba(81, 207, 102, 0.10);
  --add-fg: #69d684;
  --del-bg: rgba(250, 82, 82, 0.10);
  --del-fg: #ff7676;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { background: var(--bg); color: var(--fg); margin: 0; }
body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 10, 12, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 12px 24px;
}
.brand { display: flex; align-items: baseline; gap: 10px; color: var(--fg); }
.brand:hover { text-decoration: none; }
.brand .logo { font-size: 20px; color: var(--accent); }
.brand .name { font-weight: 700; letter-spacing: -0.01em; font-size: 16px; }
.brand .tag { color: var(--muted); font-size: 12px; }
.nav { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.nav a { color: var(--fg-dim); font-size: 13px; }
.nav a:hover { color: var(--fg); text-decoration: none; }
.nav .feed-icon { font-size: 18px; color: var(--accent); }
.refresh {
  background: transparent; color: var(--accent); border: 1px solid var(--accent-deep);
  padding: 6px 12px; border-radius: 6px; cursor: pointer; font-size: 12px;
  font-family: inherit;
}
.refresh:hover { background: rgba(116, 192, 252, 0.08); }
.refresh:disabled { opacity: 0.5; cursor: not-allowed; }

main { padding: 28px 0 80px; }
main > section > h1 { font-size: 22px; letter-spacing: -0.01em; margin: 0 0 6px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.mono { font-family: var(--font-mono); }
.back { display: inline-block; color: var(--fg-dim); font-size: 12px; margin-bottom: 6px; }

main section { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* Filters */
.filters {
  display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
  margin: 20px 0;
}
.filters input, .filters select {
  background: var(--bg-elev); color: var(--fg);
  border: 1px solid var(--line); border-radius: 6px;
  padding: 8px 12px; font: inherit; min-width: 160px;
}
.filters input { min-width: 240px; flex: 1; }
.filters input:focus, .filters select:focus {
  outline: none; border-color: var(--accent-deep);
}

/* Card grid */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}
.card {
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: 8px;
  padding: 14px 16px; transition: border-color 120ms, transform 120ms;
}
.card:hover { border-color: var(--accent-deep); transform: translateY(-1px); }
.card h3 {
  margin: 0 0 4px; font-size: 14px; font-weight: 600;
  display: flex; align-items: baseline; gap: 8px; justify-content: space-between;
}
.card a { color: var(--fg); }
.card .row {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin-top: 8px; font-size: 12px; color: var(--fg-dim);
}
.pill {
  display: inline-block; padding: 1px 8px; border-radius: 100px;
  background: var(--bg-elev2); color: var(--fg-dim);
  font-size: 11px; border: 1px solid var(--line);
}
.pill.vendor { color: var(--accent); border-color: var(--accent-deep); }
.pill.cat { color: var(--warn); border-color: rgba(250, 176, 5, 0.4); }
.pill.recent { color: var(--success); border-color: rgba(81, 207, 102, 0.4); }
.pill.stale { color: var(--muted); }
.card .size { color: var(--muted); font-family: var(--font-mono); font-size: 11px; }

/* Tool detail */
.tool-grid {
  display: grid; grid-template-columns: 280px 1fr; gap: 24px;
  margin-top: 16px;
}
@media (max-width: 900px) { .tool-grid { grid-template-columns: 1fr; } }
.versions {
  display: flex; flex-direction: column; gap: 6px;
  max-height: 70vh; overflow-y: auto; padding-right: 4px;
}
.versions .v {
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: 6px; padding: 8px 10px; cursor: pointer;
  display: flex; flex-direction: column; gap: 2px;
}
.versions .v.active { border-color: var(--accent); background: rgba(116, 192, 252, 0.06); }
.versions .v:hover { border-color: var(--accent-deep); }
.versions .v .sha { font-family: var(--font-mono); font-size: 11px; color: var(--muted); }
.versions .v .date { font-size: 12px; color: var(--fg-dim); }
.versions .v .msg { font-size: 11px; color: var(--muted); text-overflow: ellipsis; overflow: hidden; white-space: nowrap; }
.versions .v .stats { font-size: 10px; color: var(--muted); font-family: var(--font-mono); }
.versions .v .diffbtn {
  margin-top: 4px; align-self: flex-start; font-size: 10px;
  color: var(--accent); background: transparent; border: 0; padding: 0;
  cursor: pointer; text-decoration: underline;
}

.snapmeta { margin-bottom: 8px; }
.prompt {
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: 8px;
  padding: 14px; font-family: var(--font-mono); font-size: 12px; line-height: 1.5;
  white-space: pre-wrap; word-break: break-word;
  max-height: 75vh; overflow: auto; color: var(--fg-dim);
}
.prompt mark { background: rgba(250, 176, 5, 0.18); color: var(--warn); }

/* Diff */
.diffstats { margin: 10px 0; font-family: var(--font-mono); font-size: 12px; }
.diffstats .added { color: var(--add-fg); margin-right: 12px; }
.diffstats .removed { color: var(--del-fg); margin-right: 12px; }
.diff {
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: 8px;
  font-family: var(--font-mono); font-size: 12px;
  overflow: auto; max-height: 75vh;
}
.diff .hunk-head {
  padding: 4px 10px; color: var(--muted); background: var(--bg-elev2);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  font-size: 11px;
}
.diff .row {
  display: grid; grid-template-columns: 50px 50px 12px 1fr; gap: 0;
  font-size: 12px; line-height: 1.45;
}
.diff .row .gutter { color: var(--muted); text-align: right; padding: 0 8px; user-select: none; }
.diff .row .sign { text-align: center; width: 12px; user-select: none; }
.diff .row .text { white-space: pre-wrap; padding-right: 12px; word-break: break-word; }
.diff .row.add { background: var(--add-bg); }
.diff .row.add .sign, .diff .row.add .text { color: var(--add-fg); }
.diff .row.del { background: var(--del-bg); }
.diff .row.del .sign, .diff .row.del .text { color: var(--del-fg); }

/* Compare */
.compare-pickers {
  display: flex; align-items: center; gap: 12px;
  margin: 16px 0 10px;
}
.compare-pickers select {
  background: var(--bg-elev); color: var(--fg); border: 1px solid var(--line);
  border-radius: 6px; padding: 8px 12px; min-width: 240px; font: inherit;
}
.compare-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
@media (max-width: 900px) { .compare-grid { grid-template-columns: 1fr; } }
.compare-grid h3 { margin: 0 0 6px; font-size: 14px; }

/* Search */
#q {
  width: 100%; max-width: 640px;
  background: var(--bg-elev); border: 1px solid var(--line);
  color: var(--fg); padding: 10px 14px; border-radius: 8px;
  font: inherit; margin-bottom: 10px;
}
#q:focus { outline: none; border-color: var(--accent-deep); }
#searchResults { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
#searchResults .hit {
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: 8px; padding: 12px 14px;
}
#searchResults .hit h4 { margin: 0 0 4px; font-size: 13px; }
#searchResults .hit .snippet {
  font-family: var(--font-mono); font-size: 12px; color: var(--fg-dim);
  white-space: pre-wrap; word-break: break-word;
}

/* Changes */
#changesList { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
#changesList .change {
  background: var(--bg-elev); border: 1px solid var(--line);
  border-radius: 6px; padding: 10px 14px;
  display: grid; grid-template-columns: 1fr auto; gap: 6px;
}
#changesList .change h4 { margin: 0; font-size: 13px; font-weight: 600; }
#changesList .change .when {
  font-family: var(--font-mono); font-size: 11px; color: var(--muted);
  text-align: right;
}
#changesList .change .msg {
  grid-column: 1 / -1; font-size: 12px; color: var(--fg-dim);
}

/* About */
.about p, .about li { color: var(--fg-dim); }
.about ul.mono.small a { color: var(--accent); }

.footer {
  border-top: 1px solid var(--line); padding: 24px 0;
  color: var(--muted); font-size: 12px; margin-top: 60px;
}
.footer p { margin: 4px 0; }
.footer .meta a { color: var(--fg-dim); }

.empty {
  padding: 40px; text-align: center; color: var(--muted);
  background: var(--bg-elev); border: 1px dashed var(--line);
  border-radius: 8px;
}

.loading {
  padding: 80px 0; text-align: center; color: var(--muted);
  font-family: var(--font-mono); font-size: 12px;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: #353541; }