.tetris-wrapper{max-width:1000px}.game-container{background:var(--bi-surface);border-radius:16px;padding:1.5rem;box-shadow:0 4px 20px #00000014}.game-layout{display:flex;justify-content:center;align-items:flex-start;gap:1.5rem;margin-bottom:1.5rem}.info-panel{display:flex;flex-direction:column;gap:1rem}.left-panel,.right-panel{min-width:140px}.info-box{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-strong) 100%);border-radius:12px;padding:1rem;color:#fff;text-align:center}.next-piece-box{background:var(--bi-surface-2);border-radius:12px;padding:1rem;text-align:center}.info-label{font-size:.85rem;font-weight:600;margin-bottom:.5rem;opacity:.9}.info-box .info-label{color:#ffffffe6}.next-piece-box .info-label{color:var(--bi-text-muted)}.info-value{font-size:1.5rem;font-weight:700}#nextCanvas{background:var(--bi-surface);border-radius:8px;margin-top:.5rem}.game-area{position:relative}#gameCanvas{background:#1a1a2e;border-radius:8px;box-shadow:0 4px 15px #0000004d;display:block}.game-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#000000b3;border-radius:8px;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all .3s ease}.game-overlay.show{opacity:1;visibility:visible}.overlay-content{text-align:center;color:#fff;padding:2rem}.overlay-content h3{font-size:1.75rem;margin-bottom:.5rem}.overlay-content p{opacity:.8;margin:0}.controls-info{background:var(--bi-surface-2);border-radius:12px;padding:1rem}.control-item{display:flex;justify-content:space-between;align-items:center;padding:.4rem 0;font-size:.85rem;border-bottom:1px solid var(--bi-border)}.control-item:last-child{border-bottom:none}.key{background:var(--brand);color:#fff;padding:.2rem .5rem;border-radius:4px;font-size:.75rem;font-weight:600;min-width:50px;text-align:center}.game-buttons{display:flex;justify-content:center;gap:.75rem;flex-wrap:wrap}.game-buttons .btn{padding:.6rem 1.25rem;font-weight:600;border-radius:8px}@media (max-width: 768px){.game-layout{flex-direction:column;align-items:center}.left-panel,.right-panel{flex-direction:row;flex-wrap:wrap;justify-content:center;width:100%}.info-box{flex:1;min-width:100px;max-width:150px}.next-piece-box,.controls-info{width:100%;max-width:300px}#gameCanvas{width:100%;max-width:300px;height:auto}.control-item{padding:.3rem 0}}@media (max-width: 480px){.game-container{padding:1rem}.info-box{padding:.75rem}.info-value{font-size:1.25rem}.game-buttons .btn{padding:.5rem 1rem;font-size:.9rem}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.score-update{animation:pulse .3s ease}@keyframes lineClear{0%{opacity:1}50%{opacity:.3;background:var(--bi-surface)}to{opacity:1}}.line-clearing{animation:lineClear .3s ease}.game-tips{background:var(--bi-surface);border-radius:16px;padding:1.5rem;margin-top:1.5rem;box-shadow:0 4px 20px #00000014}.tips-header{display:flex;align-items:center;gap:.5rem;font-size:1.1rem;font-weight:600;color:var(--bi-text);margin-bottom:1rem;padding-bottom:.75rem;border-bottom:2px solid #f0f0f0}.tips-header i{color:#ffc107;font-size:1.2rem}.tips-content{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.tip-item{display:flex;align-items:flex-start;gap:.75rem;padding:1rem;background:var(--bi-surface-2);border-radius:12px;transition:all .3s ease}.tip-item:hover{background:#f0f1f2;transform:translateY(-2px);box-shadow:0 4px 12px #00000014}.tip-icon{font-size:1.5rem;flex-shrink:0}.tip-text strong{display:block;color:var(--bi-text);font-size:.95rem;margin-bottom:.25rem}.tip-text p{margin:0;color:var(--bi-text-muted);font-size:.85rem;line-height:1.5}@media (max-width: 768px){.tips-content{grid-template-columns:1fr}.game-tips{padding:1rem;margin-top:1rem}.tip-item{padding:.75rem}}html[data-theme=dark] .tip-item:hover{background:#273449}