/* T.02 random list shuffler — lab-notebook dark theme. */
:root, [data-theme="dark"] {
    --bg: #0b0d0c; --surface: #131716; --surface2: #191f1d;
    --line: #26302b; --line-soft: #1c2320;
    --ink: #e9eee6; --muted: #a9b4a9; --faint: #6e7a71;
    --lime: #c8f04b; --lime-ink: #1a2005; --amber: #ffa14a; --red: #ff6f6f;
    --gold: #ffd54a; --silver: #cfd6d2; --bronze: #e09a5f;
    --serif: "Newsreader", Georgia, serif;
    --mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
    --sans: system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--sans); background: var(--bg); color: var(--ink); line-height: 1.6; font-size: 16px; -webkit-font-smoothing: antialiased; }
.wrap { max-width: 1080px; margin: auto; padding: 0 28px; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--lime); color: var(--lime-ink); padding: 10px 16px; border-radius: 0 0 8px 0; z-index: 50; font-family: var(--mono); font-size: 0.85rem; }
.skip-link:focus { left: 0; }

.topbar { border-bottom: 1px solid var(--line); padding: 14px 0; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; }
.back { font-family: var(--mono); font-size: 0.85rem; text-decoration: none; color: var(--muted); }
.back:hover { color: var(--lime); }
.tool-tag { font-family: var(--mono); font-size: 0.75rem; color: var(--faint); text-transform: uppercase; letter-spacing: 0.1em; }

.head { padding: 40px 0 26px; }
h1 { font-family: var(--serif); font-size: clamp(2.2rem, 5vw, 3.2rem); letter-spacing: -0.02em; line-height: 1.05; }
h1 em { font-style: italic; color: var(--amber); }
.sub { color: var(--muted); max-width: 62ch; margin-top: 8px; }
h2 { font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--faint); margin: 20px 0 10px; }

.grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 22px; padding-bottom: 30px; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 26px; align-self: start; }
.panel.accent { border-top: 3px solid var(--amber); }

.label-row { display: flex; justify-content: space-between; align-items: center; }
.label-row h2 { margin: 0; }
.count-pill { background: var(--amber); color: #221100; border-radius: 999px; font-family: var(--mono); font-size: 0.75rem; font-weight: 700; padding: 1px 12px; }

textarea { width: 100%; font-family: var(--mono); font-size: 0.88rem; background: var(--bg); color: var(--ink); border: 1px solid var(--line); border-radius: 10px; padding: 14px; resize: vertical; margin-top: 10px; }
textarea:focus { outline: 2px solid var(--amber); outline-offset: 1px; }

.row { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; align-items: center; }
.row.between { justify-content: space-between; }
.row-inline { display: flex; gap: 8px; }
.btn { font-family: var(--mono); font-size: 0.85rem; padding: 11px 18px; border-radius: 9px; border: 1px solid var(--line); background: transparent; color: var(--ink); cursor: pointer; }
.btn:hover { border-color: var(--amber); color: var(--amber); }
.btn.solid { background: var(--amber); border-color: var(--amber); color: #221100; font-weight: 700; }
.btn.solid:hover { color: #221100; box-shadow: 3px 3px 0 var(--lime); }
.btn.big { width: 100%; justify-content: center; margin-top: 14px; font-size: 1rem; padding: 14px; display: flex; }
.btn.sm { padding: 8px 14px; font-size: 0.78rem; }

.modes { display: grid; gap: 8px; }
.mode { display: block; cursor: pointer; }
.mode input { position: absolute; opacity: 0; }
.mode span { display: flex; gap: 12px; align-items: baseline; border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; }
.mode strong { font-family: var(--serif); font-size: 1.05rem; }
.mode small { color: var(--faint); font-size: 0.8rem; }
.mode input:checked + span { border-color: var(--amber); background: color-mix(in srgb, var(--amber) 10%, transparent); }
.mode input:checked + span strong { color: var(--amber); }
.mode input:focus-visible + span { outline: 2px solid var(--amber); outline-offset: 2px; }

.field { font-family: var(--mono); font-size: 0.82rem; color: var(--muted); display: inline-flex; gap: 8px; align-items: center; }
.field[hidden] { display: none; }
input[type="number"] { font-family: var(--mono); font-size: 0.95rem; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; color: var(--ink); padding: 9px 12px; width: 90px; }
input:focus { outline: 2px solid var(--amber); outline-offset: 1px; }

.check { display: flex; gap: 10px; align-items: center; font-size: 0.88rem; color: var(--muted); margin-top: 14px; cursor: pointer; }
.check input { width: 19px; height: 19px; accent-color: var(--amber); }
.hint { font-size: 0.82rem; color: var(--faint); margin-top: 10px; }

.progress-line { height: 8px; border-radius: 999px; background: var(--surface2); border: 1px solid var(--line); overflow: hidden; margin-top: 12px; }
.progress-line div { height: 100%; width: 0%; background: var(--amber); transition: width 0.25s ease; }

.results-list { list-style: none; margin-top: 12px; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--bg); max-height: 380px; overflow-y: auto; }
.results-list li { display: flex; align-items: center; gap: 12px; padding: 9px 14px; font-size: 0.95rem; }
.results-list li + li { border-top: 1px solid var(--line-soft); }
.results-list li.called { opacity: 0.45; }
.results-list li.called .r-name { text-decoration: line-through; }
.r-rank { font-family: var(--mono); font-size: 0.72rem; color: var(--faint); min-width: 30px; }
.r-name { flex: 1; }
.results-list input[type="checkbox"] { width: 19px; height: 19px; accent-color: var(--lime); }
.podium-1 .r-rank { color: var(--gold); font-weight: 700; }
.podium-2 .r-rank { color: var(--silver); font-weight: 700; }
.podium-3 .r-rank { color: var(--bronze); font-weight: 700; }
.empty { color: var(--faint); font-size: 0.92rem; padding: 18px 4px; }

.teams { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 12px; }
.team { border: 1px solid var(--line); border-radius: 10px; background: var(--bg); padding: 12px 14px; }
.team h3 { font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--amber); margin-bottom: 8px; }
.team ul { list-style: none; }
.team li { font-size: 0.9rem; padding: 3px 0; border-bottom: 1px dashed var(--line-soft); }
.team li:last-child { border-bottom: none; }

.history { list-style: none; margin-top: 6px; max-height: 170px; overflow-y: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); }
.history li { font-family: var(--mono); font-size: 0.76rem; color: var(--muted); padding: 8px 14px; display: flex; gap: 10px; }
.history li + li { border-top: 1px solid var(--line-soft); }
.history .h-time { color: var(--faint); flex: 0 0 auto; }
.history:empty { display: none; }

.foot { padding: 18px 28px 40px; font-family: var(--mono); font-size: 0.75rem; color: var(--faint); }

@media (max-width: 860px) {
    .grid { grid-template-columns: 1fr; }
    .teams { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { .progress-line div { transition: none; } }