[hidden] { display: none !important; }
:root {
  --bg: #0f1823; --panel: #172331; --line: #26384b;
  --text: #dbe5ee; --muted: #8b9cad; --amber: #f0b43c; --bad: #ff7a6b; --good: #6fd19a; --info: #7fb3e6;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 system-ui, "Segoe UI", Roboto, sans-serif; }
header, main, footer { max-width: 920px; margin: 0 auto; padding: 0 20px; }
header { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; padding-top: 28px; flex-wrap: wrap; }
h1 { margin: 0; font-size: 1.6rem; font-weight: 650; letter-spacing: -0.01em; }
.sub { margin: 4px 0 0; color: var(--muted); }
.lang { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: .9rem; }
select, textarea, button { font: inherit; color: var(--text); }
select { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 4px 8px; }
section { margin-top: 24px; }
label[for=deck] { display: block; margin-bottom: 6px; color: var(--muted); }
textarea { width: 100%; background: var(--panel); border: 1px solid var(--line); border-radius: 8px;
  padding: 12px; font-family: Consolas, "Cascadia Mono", monospace; font-size: 13.5px; line-height: 1.45; resize: vertical; }
.actions { display: flex; gap: 12px; align-items: center; margin-top: 12px; flex-wrap: wrap; }
button { background: var(--amber); color: #1a1205; border: 0; border-radius: 6px; padding: 8px 18px; font-weight: 600; cursor: pointer; }
button.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); font-weight: 500; }
button:disabled { opacity: .5; cursor: wait; }
button:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
#status { color: var(--muted); font-size: .92rem; }
#status.err { color: var(--bad); }
.summary { font-size: 1.1rem; margin: 0 0 12px; }
.summary strong { color: var(--amber); font-variant-numeric: tabular-nums; }
.scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
th, td { text-align: right; padding: 5px 12px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 500; font-size: .88rem; }
tr.best td { color: var(--amber); }
details { margin-top: 16px; }
summary { cursor: pointer; color: var(--muted); }
pre { background: var(--panel); border-radius: 8px; padding: 12px; overflow: auto; max-height: 420px; font-size: 12px; }
footer { color: var(--muted); font-size: .85rem; padding: 32px 20px; }

.deck-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 6px; flex-wrap: wrap; }
.deck-head label[for=deck] { margin: 0; }
.inline { display: inline-flex; gap: 8px; align-items: center; color: var(--muted); font-size: .92rem; }
input[type=checkbox] { accent-color: var(--amber); width: 16px; height: 16px; }
.badge { display: inline-block; margin: 0 0 10px; padding: 4px 12px; border-radius: 999px; font-weight: 600; font-size: .92rem; border: 1px solid currentColor; }
.badge.ok { color: var(--good); } .badge.warn { color: var(--amber); } .badge.block { color: var(--bad); }
#issues { list-style: none; margin: 0; padding: 0; }
#issues li { padding: 8px 12px 8px 14px; border-left: 3px solid var(--line); background: var(--panel); border-radius: 0 6px 6px 0; margin-bottom: 6px; }
#issues li.block { border-left-color: var(--bad); } #issues li.warn { border-left-color: var(--amber); } #issues li.info { border-left-color: var(--info); }
#issues .lvl { font-weight: 600; margin-right: 6px; }
#issues li.block .lvl { color: var(--bad); } #issues li.warn .lvl { color: var(--amber); } #issues li.info .lvl { color: var(--info); }
#issues .segs { display: block; color: var(--muted); font-size: .85rem; margin-top: 2px; }

.head-tools { display: flex; gap: 18px; align-items: center; }
.head-tools a { color: var(--muted); }