:root{--bg:#0f1420;--card:#1a2233;--line:#2c3850;--txt:#e8edf6;--dim:#9fb0ca;--acc:#ffb224;--good:#39d98a;--bad:#ff6b6b;--warn:#ffd166}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--txt)}
header,main,footer{max-width:1100px;margin:0 auto;padding:12px 16px}
h1{font-size:22px;margin:6px 0}h2{font-size:16px;margin:4px 0 8px}
.tag{background:var(--acc);color:#111;font-size:11px;padding:2px 7px;border-radius:20px;vertical-align:middle}
.scope{background:#2a2113;border:1px solid #6b5518;padding:8px 10px;border-radius:8px;font-size:13px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;margin:12px 0}
.row{display:flex;gap:8px;align-items:center}.row.wrap{flex-wrap:wrap}.between{justify-content:space-between}
button,.btnlike{background:#26314a;color:var(--txt);border:1px solid var(--line);border-radius:8px;padding:7px 12px;cursor:pointer;font-size:14px}
button:hover,.btnlike:hover{border-color:var(--acc)}button:disabled{opacity:.45;cursor:default}
input{background:#101828;color:var(--txt);border:1px solid var(--line);border-radius:6px;padding:6px 8px;width:110px}input.small{width:70px}
.hint{color:var(--dim);font-size:13px}.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12.5px;white-space:pre-wrap}
#stage{position:relative;width:100%;aspect-ratio:4/3;background:#05070c;border-radius:10px;overflow:hidden;margin:10px 0}
#stage video,#stage img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
#demo-label{position:absolute;top:8px;left:8px;background:var(--warn);color:#111;font-weight:700;font-size:12px;padding:3px 8px;border-radius:6px;z-index:5}
.zone{position:absolute;border:2px dashed var(--acc);border-radius:8px;background:rgba(255,178,36,.08);display:flex;align-items:flex-end;justify-content:center;cursor:pointer;z-index:4}
.zone.selected{border-style:solid;border-color:#fff}.zone .zlabel{font-size:11px;background:rgba(0,0,0,.65);padding:1px 5px;border-radius:4px;margin-bottom:3px}
.zone .zcard{position:absolute;top:3px;left:0;right:0;text-align:center;font-weight:800;font-size:18px;text-shadow:0 1px 3px #000}
.zone .zcard.red{color:#ff8f8f}.zone .zcard.black{color:#fff}
#slots{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}
.slot{border:1px solid var(--line);border-radius:10px;padding:8px;cursor:pointer}.slot.selected{border-color:#fff}
.slot h3{margin:0 0 6px;font-size:13px;display:flex;justify-content:space-between;align-items:center}
.slot .canvs{display:flex;gap:6px}.slot canvas{background:#0a0f18;border-radius:6px;border:1px solid var(--line)}
.slot .cap{font-size:10.5px;color:var(--dim);text-align:center}
.st{font-size:10.5px;padding:2px 7px;border-radius:12px;font-weight:700}
.st.accepted{background:var(--good);color:#06280f}.st.uncertain{background:var(--warn);color:#2b2000}.st.manual{background:#58a6ff;color:#06182e}.st.empty{background:#3a4358;color:#c4cede}
.picker{border:1px solid var(--acc);border-radius:10px;padding:10px;margin-top:12px}
.picker button.on{background:var(--acc);color:#111;font-weight:700}.picker button.red{color:#ff8f8f}
.result{margin-top:10px;border:1px dashed var(--line);border-radius:8px;padding:10px;font-size:15px}
.result b.act-FOLD{color:var(--bad)}.result b.act-CALL{color:var(--warn)}.result b.act-RAISE{color:var(--good)}
pre{background:#0a0f18;border:1px solid var(--line);border-radius:8px;padding:10px;max-height:300px;overflow:auto}
footer{text-align:center;padding-bottom:24px}
.mq-pass{color:var(--good)}.mq-fail{color:var(--bad);font-weight:700}
#learn-zone{position:absolute;border:3px dashed #58a6ff;border-radius:10px;background:rgba(88,166,255,.10);z-index:6;display:flex;align-items:flex-start;justify-content:center}
#learn-zone span{font-size:11px;background:rgba(0,0,0,.7);padding:2px 6px;border-radius:4px;margin-top:4px}
.chip{display:inline-block;background:#26314a;border:1px solid var(--line);border-radius:12px;padding:1px 8px;font-size:12px;margin:1px 2px}
select{background:#101828;color:var(--txt);border:1px solid var(--line);border-radius:6px;padding:6px 6px}