:root{--bg: #faf8ef;--text: #776e65;--accent: #8f7a66;--btn: #8f7a66;--btn-text: #f9f6f2}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:Segoe UI,Helvetica Neue,Arial,sans-serif;-webkit-tap-highlight-color:transparent}#app{max-width:520px;margin:0 auto;padding:16px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.logo{font-size:40px;font-weight:800;color:var(--accent);margin:0}.scores{display:flex;gap:8px}.score-box{background:var(--accent);border-radius:6px;padding:6px 14px;text-align:center;min-width:70px}.score-label{display:block;font-size:11px;color:#eee4da;letter-spacing:1px}.score-value{display:block;font-size:22px;font-weight:700;color:#fff}.auth-area{display:flex;align-items:center;gap:8px}.welcome{font-size:14px}.controls{display:flex;align-items:center;gap:10px;margin:14px 0}.timer{margin-left:auto;font-variant-numeric:tabular-nums;font-weight:600;color:var(--accent)}.btn{border:none;border-radius:6px;padding:10px 16px;font-size:15px;font-weight:700;cursor:pointer;background:var(--btn);color:var(--btn-text);transition:transform .05s ease,opacity .15s ease}.btn:hover{opacity:.92}.btn:active{transform:translateY(1px)}.btn-primary{background:#edc22e;color:#776e65}.btn-ghost{background:transparent;color:var(--accent);border:2px solid var(--accent)}.btn-sm{padding:6px 12px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed}.board-wrap{position:relative;width:100%}#board{width:100%;height:auto;display:block;border-radius:8px;touch-action:none}.overlay{position:absolute;inset:0;background:#eee4dabf;border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center}.overlay.hidden{display:none}.overlay-text{font-size:30px;font-weight:800;color:var(--accent)}.overlay-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.hint{margin-top:14px;font-size:13px;color:#a99e93;text-align:center}.modal{position:fixed;inset:0;background:#0006;display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}.modal.hidden{display:none}.modal-card{background:#fff;border-radius:10px;width:100%;max-width:360px;max-height:80vh;display:flex;flex-direction:column;overflow:hidden}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;font-size:18px;font-weight:700;color:var(--accent);border-bottom:1px solid #eee4da}.modal-close{border:none;background:none;font-size:26px;line-height:1;cursor:pointer;color:#b0a99f}.modal-body{padding:16px;overflow-y:auto}.tab-row{display:flex;gap:8px;margin-bottom:14px}.tab{flex:1;padding:8px;border:none;background:#f2efe9;color:var(--text);border-radius:6px;font-weight:600;cursor:pointer}.tab.active{background:var(--accent);color:#fff}#auth-form{display:flex;flex-direction:column;gap:10px}#auth-form input{padding:10px 12px;border:1px solid #d8d0c6;border-radius:6px;font-size:15px}#auth-form input:focus{outline:none;border-color:var(--accent)}.auth-error{min-height:18px;color:#d9534f;font-size:13px}.lb-list{list-style:none;margin:0;padding:0}.lb-row{display:flex;align-items:center;gap:12px;padding:8px 10px;border-radius:6px;font-size:15px}.lb-row:nth-child(odd){background:#f7f4ef}.lb-row.me{background:#edc22e;font-weight:700}.lb-rank{width:28px;text-align:center}.lb-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lb-score{font-variant-numeric:tabular-nums;font-weight:700}.lb-empty,.lb-loading{text-align:center;color:#a99e93;padding:16px}.lb-mychat{margin-top:12px;text-align:center;font-size:14px;color:var(--accent)}