:root {
  color-scheme: light dark;
  --bg: #f6f6f4;
  --panel: #ffffff;
  --ink: #1d1f21;
  --muted: #62666b;
  --line: #e2e2de;
  --accent: #2357c6;
  --accent-ink: #ffffff;
  --mark: #fff0a8;
  --sev0: #8a8f95;
  --sev1: #a17200;
  --sev2: #c4520f;
  --sev3: #c0262d;
  --chip: #eeeeea;
  --radius: 8px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141517;
    --panel: #1c1e21;
    --ink: #e6e6e3;
    --muted: #9a9ea4;
    --line: #2e3135;
    --accent: #7aa2ff;
    --accent-ink: #0d1530;
    --mark: #5c4d00;
    --sev0: #80858b;
    --sev1: #d9a520;
    --sev2: #f0803c;
    --sev3: #ff5d63;
    --chip: #272a2e;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
mark { background: var(--mark); color: inherit; border-radius: 2px; padding: 0 1px; }
code, pre { font-family: var(--mono); font-size: 12.5px; }
pre { white-space: pre-wrap; word-break: break-word; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 12px; overflow-x: auto; }
h1 { font-size: 20px; margin: 0 0 12px; }
h2 { font-size: 15px; margin: 20px 0 8px; }

header.top { display: flex; align-items: center; gap: 20px; padding: 10px 16px; background: var(--panel);
  border-bottom: 1px solid var(--line); flex-wrap: wrap; }
header.top .brand { font-weight: 650; color: var(--ink); }
header.top nav { display: flex; gap: 14px; flex-wrap: wrap; }
header.top nav a { color: var(--muted); font-weight: 500; }
header.top nav a.on { color: var(--ink); }
header.top .right { margin-left: auto; display: flex; gap: 12px; align-items: center; color: var(--muted); font-size: 12.5px; }
header.top form { margin: 0; }
.notice { margin: 12px 16px 0; padding: 8px 12px; border-radius: var(--radius); background: var(--chip); color: var(--muted); }

main { padding: 16px; max-width: 1400px; margin: 0 auto; }
.explore { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 16px; align-items: start; }
@media (max-width: 860px) { .explore { grid-template-columns: minmax(0, 1fr); } }

form.filters { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px;
  display: grid; gap: 10px; position: sticky; top: 12px; }
@media (max-width: 860px) { form.filters { position: static; } }
form.filters label { display: grid; gap: 3px; font-size: 12px; color: var(--muted); }
form.filters .check { display: flex; gap: 6px; align-items: center; color: var(--ink); font-size: 13px; }
form.filters .row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
input, select, button { font: inherit; color: inherit; }
input[type=text], input[type=search], input[type=date], input[type=password], select {
  width: 100%; padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg); min-width: 0; }
button, .button { padding: 7px 12px; border: 0; border-radius: 6px; background: var(--accent); color: var(--accent-ink);
  font-weight: 600; cursor: pointer; display: inline-block; }
button.quiet, .button.quiet { background: var(--chip); color: var(--ink); font-weight: 500; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

.summary { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 10px;
  color: var(--muted); flex-wrap: wrap; }
.results { display: grid; gap: 8px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; min-width: 0; }
.card.focus { outline: 2px solid var(--accent); }
.meta { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; color: var(--muted); font-size: 12.5px; }
.meta .author { color: var(--ink); font-weight: 600; }
.text { margin: 6px 0; white-space: pre-wrap; word-break: break-word; }
.clamp { display: -webkit-box; -webkit-line-clamp: 6; -webkit-box-orient: vertical; overflow: hidden; }
.links { display: flex; gap: 12px; flex-wrap: wrap; font-size: 12.5px; }
.chip { background: var(--chip); border-radius: 999px; padding: 1px 8px; font-size: 12px; color: var(--ink); white-space: nowrap; }
.chip.tracked { background: var(--accent); color: var(--accent-ink); }
.sev { border-radius: 999px; padding: 1px 8px; font-size: 12px; font-weight: 650; color: #fff; white-space: nowrap; }
.sev.s0 { background: var(--sev0); } .sev.s1 { background: var(--sev1); }
.sev.s2 { background: var(--sev2); } .sev.s3 { background: var(--sev3); }
.rationale { color: var(--muted); font-size: 12.5px; margin-top: 2px; }
.thumbs { display: flex; gap: 6px; margin: 6px 0; flex-wrap: wrap; }
.thumbs img { width: 72px; height: 72px; object-fit: cover; border-radius: 6px; border: 1px solid var(--line); background: var(--chip); }

.pager { display: flex; gap: 8px; justify-content: center; margin: 16px 0; align-items: center; color: var(--muted); }

.thread .children { margin-left: 18px; padding-left: 12px; border-left: 2px solid var(--line); display: grid; gap: 8px; margin-top: 8px; }
.thread > .comments { display: grid; gap: 8px; }
.media-strip { display: flex; gap: 10px; flex-wrap: wrap; margin: 10px 0; }
.media-strip img, .media-strip video { max-height: 420px; max-width: 100%; border-radius: var(--radius); background: #000; }
.missing { color: var(--muted); font-size: 12.5px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: grid; }
.tile .pic { aspect-ratio: 1; background: var(--chip); display: grid; place-items: center; overflow: hidden; position: relative; }
.tile .pic img, .tile .pic video { width: 100%; height: 100%; object-fit: cover; }
.tile .pic .badge { position: absolute; top: 6px; left: 6px; background: rgba(0,0,0,.65); color: #fff; font-size: 11px;
  border-radius: 4px; padding: 1px 6px; }
.tile .cap { padding: 6px 8px; font-size: 12px; color: var(--muted); display: grid; gap: 2px; min-width: 0; }
.tile .cap .t { color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
form.inline { display: flex; gap: 8px; flex-wrap: wrap; align-items: end; margin-bottom: 12px; }
form.inline label { display: grid; gap: 3px; font-size: 12px; color: var(--muted); }
form.inline select { width: auto; }

table { border-collapse: collapse; width: 100%; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
th, td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.scroll { overflow-x: auto; }

.login { max-width: 340px; margin: 12vh auto; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; display: grid; gap: 12px; }
.login label { display: grid; gap: 4px; font-size: 12.5px; color: var(--muted); }
.error { color: var(--sev3); }