.wprp-reversi{border:1px solid #e3e3e3;border-radius:10px;padding:12px;max-width:640px;margin:0 auto;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
.wprp-controls{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:10px 0}
.wprp-btn{padding:6px 12px;border-radius:8px;border:1px solid #0a6e1a;background:#14a930;color:#fff;cursor:pointer}
.wprp-btn.ghost{background:#fff;color:#0a6e1a}
.wprp-board{--size:8;--cell:60px;display:grid;grid-template-columns:repeat(var(--size),var(--cell));grid-template-rows:repeat(var(--size),var(--cell));gap:3px;background:#0a6e1a;padding:3px;border-radius:8px}
@media (max-width:480px){.wprp-board{--cell:44px}}
.wprp-cell{background:#13992c;position:relative;border-radius:6px;box-shadow:inset 0 0 0 1px rgba(0,0,0,.2);cursor:pointer}
.wprp-disc{position:absolute;top:6px;left:6px;right:6px;bottom:6px;border-radius:50%;box-shadow:inset 0 2px 4px rgba(0,0,0,.35);overflow:hidden}
.wprp-disc.B{background:#111}.wprp-disc.W{background:#fefefe}
.wprp-cell.hl::after{content:'';position:absolute;top:18px;left:18px;right:18px;bottom:18px;border-radius:50%;background:rgba(255,255,255,.35)}
.wprp-cell.hl.B::after{background:rgba(0,0,0,.25)}
.wprp-score{margin-top:8px;font-weight:700}