:root{--bg:#f3f4f6;--panel:#fff;--soft:#eceff2;--border:#d8dde3;--text:#20262d;--muted:#6b7280;--primary:#303843;--primary2:#222931;--red:#b52b35;--shadow:0 10px 28px rgba(20,30,40,.08)}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}button,select{font:inherit}
.topbar{min-height:64px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:10px 24px;gap:16px}.brand{font-size:22px;font-weight:700}.nav{display:flex;gap:8px;flex-wrap:wrap}
button{border:0;border-radius:8px;padding:10px 16px;font-size:14px;font-weight:700;cursor:pointer;background:var(--primary);color:#fff;transition:.12s}button:hover:not(:disabled){background:var(--primary2)}button:disabled{opacity:.35;cursor:not-allowed}.navbtn.active{background:#fff;color:var(--text);border:1px solid var(--border)}
main{width:min(1100px,calc(100% - 28px));margin:24px auto}.page{display:none}.page.active{display:block}.game,.content-page{background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}.game-head{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between}.muted{color:var(--muted);font-size:13px}
.play-area{min-height:570px;padding:26px 20px;display:grid;grid-template-rows:1fr 90px 1fr;align-items:center}.hand{text-align:center}.label{font-size:14px;color:var(--muted);margin-bottom:5px}.score{font-size:30px;font-weight:700;margin-bottom:13px}.cards{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;min-height:126px}
.card{width:88px;height:126px;background:#fff;border:1px solid #cfd5db;border-radius:10px;box-shadow:0 6px 14px rgba(0,0,0,.10);position:relative;font-weight:700;animation:deal .18s ease-out}.card.red{color:var(--red)}.tl,.br{position:absolute;font-size:20px;line-height:1.05;text-align:center}.tl{top:8px;left:9px}.br{right:9px;bottom:8px;transform:rotate(180deg)}.suit{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:40px}.back{background:repeating-linear-gradient(45deg,#39424e,#39424e 8px,#59636e 8px,#59636e 16px);border:4px solid #fff;outline:1px solid #cfd5db}
.result{text-align:center;font-size:34px;font-weight:800;min-height:45px}.result small{display:block;font-size:14px;font-weight:400;color:var(--muted);margin-top:5px}
.player-area{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.player-hand{padding:10px 16px;border:2px solid transparent;border-radius:12px;min-width:210px}.player-hand.active{border-color:#7d8792;background:#f7f8f9}.hand-name{font-size:13px;color:var(--muted);margin-bottom:3px}.hand-value{font-size:28px;font-weight:700;margin-bottom:10px}
.bottom{background:#f8f9fa;border-top:1px solid var(--border);padding:16px 20px}.bottom-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.money{display:flex;gap:10px;flex-wrap:wrap}.stat{min-width:140px;background:#fff;border:1px solid var(--border);border-radius:9px;padding:10px 13px}.stat>span{display:block;color:var(--muted);font-size:12px;margin-bottom:4px}.stat strong{font-size:18px}.bet-control{display:flex;align-items:center;gap:8px}button.small{padding:2px 9px;min-width:30px;font-size:20px}.controls{display:flex;gap:8px;flex-wrap:wrap}.controls button{min-width:88px}
.content-page{padding:24px}.content-page h1{font-size:22px;margin:0 0 20px}.rule{padding:13px 0;border-bottom:1px solid #edf0f2;line-height:1.5}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.box{border:1px solid var(--border);border-radius:12px;padding:18px}.box h2{font-size:18px;margin:0 0 14px}.box p{line-height:1.6;color:#4b5563}.setting{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:12px 0;border-bottom:1px solid #edf0f2}.setting:last-child{border-bottom:0}select{padding:8px 10px;border:1px solid var(--border);border-radius:7px;background:#fff}button.danger{background:#9a4d4d}
@keyframes deal{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
footer{text-align:center;color:var(--muted);font-size:12px;padding:18px}
@media(max-width:700px){.topbar{align-items:flex-start;flex-direction:column;padding:14px}.play-area{min-height:520px;padding:18px 8px}.card{width:68px;height:98px}.cards{min-height:98px}.player-hand{min-width:160px;padding:8px}.settings-grid{grid-template-columns:1fr}.money,.controls{width:100%}.stat{flex:1}.controls button{flex:1}}
.single-hand{padding:10px 0;min-width:210px}

.result .restart-money{
 display:block;
 margin:12px auto 0;
 font-size:14px;
 letter-spacing:0;
}