:root {
    --bg: #f6f6f4;
    --panel: #ffffff;
    --text: #1d1d1b;
    --muted: #6b6b66;
    --line: #dddcd6;
    --good: #1f7a3a;
    --good-bg: #e3f3e7;
    --warn: #8a5a00;
    --warn-bg: #fbf0d6;
    --bad: #a3221b;
    --bad-bg: #fbe3e1;
    --info: #234f8f;
    --info-bg: #e3ecfa;
    color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #1a1a19;
        --panel: #242422;
        --text: #e8e8e3;
        --muted: #9b9b94;
        --line: #3a3a37;
        --good: #7fd49a;
        --good-bg: #1e3a27;
        --warn: #f0c36a;
        --warn-bg: #3d3018;
        --bad: #f29a93;
        --bad-bg: #44211e;
        --info: #9cbcf0;
        --info-bg: #1f2d45;
    }
}
* { box-sizing: border-box; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 14px/1.4 system-ui, -apple-system, "Segoe UI", sans-serif;
}
header {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 6px 16px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--line);
    background: var(--panel);
}
h1 { font-size: 18px; margin: 0; }
h2 { font-size: 16px; margin: 0 0 10px; }
h3 { font-size: 14px; margin: 18px 0 6px; }
main {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: 16px;
    padding: 16px;
}
@media (max-width: 480px) { main { grid-template-columns: 1fr; } }
section { min-width: 0; }
code, pre { font: 12px/1.4 ui-monospace, "SF Mono", Menlo, monospace; }
pre {
    margin: 4px 0 0;
    padding: 6px 8px;
    background: var(--bg);
    border-radius: 4px;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
}
.muted { color: var(--muted); }
.error { color: var(--bad); }
.box, .card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 10px 12px;
    margin-bottom: 8px;
}
.row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 12px;
    margin: 6px 0;
}
.seg { display: inline-flex; flex-wrap: wrap; gap: 4px 12px; }
.seg label { white-space: nowrap; }
button {
    font: inherit;
    padding: 3px 10px;
    border: 1px solid var(--line);
    border-radius: 4px;
    background: var(--bg);
    color: var(--text);
    cursor: pointer;
}
button:hover { border-color: var(--muted); }
button.quiet { color: var(--muted); }
input, textarea {
    font: inherit;
    padding: 2px 6px;
    border: 1px solid var(--line);
    border-radius: 4px;
    background: var(--panel);
    color: var(--text);
}
textarea { width: 100%; resize: vertical; }
table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); }
th, td { text-align: left; padding: 4px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; color: var(--muted); font-size: 12px; }
.pill {
    display: inline-block;
    padding: 0 7px;
    border-radius: 9px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}
.good { color: var(--good); background: var(--good-bg); }
.warn { color: var(--warn); background: var(--warn-bg); }
.bad { color: var(--bad); background: var(--bad-bg); }
.info { color: var(--info); background: var(--info-bg); }
.plain { color: var(--muted); background: var(--bg); }
.card-head { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; }
.attempts { margin: 6px 0 0; padding: 0; list-style: none; }
.attempts li { display: flex; flex-wrap: wrap; gap: 4px 10px; padding: 2px 0; font-size: 13px; }
.time { color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.body { white-space: pre-wrap; margin: 6px 0; }
details summary { cursor: pointer; color: var(--muted); font-size: 12px; }
.empty { color: var(--muted); font-style: italic; padding: 4px 0; }