:root {
  --bg: #f7f7f8; --panel: #fff; --text: #18181b; --muted: #6b7280; --line: #e5e7eb;
  --accent: #2563eb; --accent-text: #fff; --chip: #eef2ff; --chip-text: #3730a3;
  --danger: #dc2626; --ok: #16a34a; --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115; --panel: #171a21; --text: #e5e7eb; --muted: #9ca3af; --line: #2a2f3a;
    --accent: #3b82f6; --chip: #1e293b; --chip-text: #c7d2fe; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.top { display: flex; align-items: center; gap: 16px; padding: 10px 16px; background: var(--panel);
  border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--text); font-size: 17px; }
nav { display: flex; gap: 4px; flex-wrap: wrap; margin-left: auto; align-items: center; }
nav a, nav button { padding: 6px 10px; border-radius: 8px; color: var(--text); }
nav a.active { background: var(--chip); color: var(--chip-text); text-decoration: none; }
main { max-width: 1200px; margin: 0 auto; padding: 16px; }
h1 { font-size: 22px; margin: 0 0 12px; } h2 { font-size: 17px; margin: 20px 0 8px; }
.muted { color: var(--muted); } .center { text-align: center; } .small { font-size: 13px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.narrow { max-width: 420px; margin: 40px auto; }
label { display: block; margin: 10px 0 4px; font-weight: 600; font-size: 13px; }
input, select, textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg); color: var(--text); font: inherit; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
button { font: inherit; cursor: pointer; border: 1px solid var(--line); background: var(--panel); color: var(--text);
  padding: 7px 12px; border-radius: 8px; }
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
button.link { border: 0; background: none; padding: 6px 10px; }
button.danger { color: var(--danger); }
button:disabled { opacity: .55; cursor: default; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row > .grow { flex: 1; min-width: 180px; }
.stack > * + * { margin-top: 8px; }
.layout { display: grid; grid-template-columns: 220px 1fr; gap: 16px; }
@media (max-width: 760px) { .layout { grid-template-columns: 1fr; } }
.tags { display: flex; flex-direction: column; gap: 2px; }
@media (max-width: 760px) { .tags { flex-direction: row; flex-wrap: wrap; } }
.tags button { text-align: left; border: 0; background: none; display: flex; justify-content: space-between; gap: 8px; }
.tags button.active { background: var(--chip); color: var(--chip-text); }
.badge { background: var(--accent); color: var(--accent-text); border-radius: 999px; padding: 0 7px; font-size: 12px; }
.count { color: var(--muted); font-size: 12px; }
.tabs { display: flex; gap: 4px; margin: 12px 0; border-bottom: 1px solid var(--line); }
.tabs button { border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: none; }
.tabs button.active { border-bottom-color: var(--accent); color: var(--accent); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column; }
.thumb { aspect-ratio: 16/9; background: var(--line); object-fit: cover; width: 100%; display: block; }
.card .body { padding: 10px 12px; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.card .title { font-weight: 600; line-height: 1.3; color: var(--text); }
.card .meta { font-size: 12px; color: var(--muted); }
.card .summary { font-size: 13px; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 3;
  -webkit-box-orient: vertical; overflow: hidden; }
.card .actions { display: flex; gap: 4px; padding: 8px 12px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.card .actions button { padding: 4px 9px; font-size: 13px; }
.chip { display: inline-block; background: var(--chip); color: var(--chip-text); border-radius: 999px;
  padding: 1px 8px; font-size: 12px; margin: 0 4px 2px 0; }
.status { padding: 8px 12px; border-radius: 8px; background: var(--chip); color: var(--chip-text); font-size: 13px; }
.list .entry { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.list .entry img { width: 120px; aspect-ratio: 16/9; object-fit: cover; border-radius: 6px; flex: none; background: var(--line); }
.list .entry .grow { flex: 1; min-width: 0; }
@media (max-width: 560px) { .list .entry img { width: 84px; } }
table { width: 100%; border-collapse: collapse; } td, th { padding: 8px; border-bottom: 1px solid var(--line); text-align: left; }
.code { font: 600 30px/1.2 ui-monospace, monospace; letter-spacing: 3px; padding: 12px 0; }
.toast { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg);
  padding: 8px 14px; border-radius: 8px; z-index: 10; max-width: 90vw; }
.error { color: var(--danger); }
.empty { padding: 40px 16px; text-align: center; color: var(--muted); }