.wghqc4{--bg:#f6f7fb;--surf:#fff;--bd:#e5e7eb;--text:#1f2330;--mut:#6b7280;--accent:#4f46e5;--r:#ef4444;--y:#fbbf24;--cell:#1e3a8a;max-width:560px;margin:1.5rem auto;padding:18px;background:var(--bg);border:1px solid var(--bd);border-radius:18px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--text);box-shadow:0 6px 20px rgba(17,24,39,.08);user-select:none}
.wghqc4 *{box-sizing:border-box}
.wghqc4__hud{display:flex;gap:10px;align-items:center;background:var(--surf);border:1px solid var(--bd);border-radius:12px;padding:10px 12px;margin-bottom:14px}
.wghqc4__title{font-weight:700;font-size:16px;flex:1}
.wghqc4__hud select{font:inherit;border:1px solid var(--bd);border-radius:8px;padding:6px 8px;background:var(--surf);color:var(--text)}
.wghqc4__btn{border:1px solid var(--bd);background:transparent;font:inherit;font-weight:600;padding:8px 14px;border-radius:10px;cursor:pointer;color:var(--text)}
.wghqc4__status{text-align:center;color:var(--mut);font-size:14px;margin-bottom:10px;min-height:20px}
.wghqc4__board{display:grid;grid-template-columns:repeat(7,1fr);grid-template-rows:repeat(6,1fr);gap:6px;background:var(--cell);border-radius:14px;padding:8px;aspect-ratio:7/6}
.wghqc4__c{background:var(--bg);border-radius:50%;display:block;aspect-ratio:1/1;cursor:pointer;transition:transform .12s ease}
.wghqc4__c:hover{filter:brightness(.96)}
.wghqc4__c.is-r{background:var(--r)}
.wghqc4__c.is-y{background:var(--y)}
.wghqc4__c.is-win{box-shadow:0 0 0 3px #10b981 inset}