.lobby{width:100%;max-width:480px}.lobby-card{padding:32px}.lobby-header{text-align:center;margin-bottom:32px}.lobby-header h2{font-size:1.75rem;margin-bottom:8px}.lobby-header p{color:var(--text-secondary)}.name-input-section{margin-bottom:24px}.name-input-section label{display:block;margin-bottom:8px;font-weight:500}.tab-container{display:flex;gap:8px;margin-bottom:24px}.tab-btn{flex:1;padding:12px;border:none;background:var(--bg-tertiary);color:var(--text-secondary);border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s ease}.tab-btn:hover{background:var(--border)}.tab-btn.active{background:var(--accent);color:#fff}.tab-content{margin-bottom:32px}.grid-settings{margin-bottom:24px}.grid-settings h3{font-size:1rem;margin-bottom:12px;color:var(--text-secondary)}.grid-size-inputs{display:flex;align-items:center;gap:16px}.size-input{flex:1}.size-input label{display:block;font-size:.875rem;color:var(--text-secondary);margin-bottom:6px}.size-input .input{text-align:center}.stepper-input{display:flex;align-items:center;gap:0}.stepper-input .input{width:50px;text-align:center;border-radius:0;-moz-appearance:textfield}.stepper-input .input::-webkit-outer-spin-button,.stepper-input .input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.stepper-btn{width:36px;height:42px;border:1px solid var(--border);background:var(--bg-tertiary);color:var(--text-primary);font-size:1.25rem;font-weight:500;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.stepper-btn:first-child{border-radius:8px 0 0 8px;border-right:none}.stepper-btn:last-child{border-radius:0 8px 8px 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label{display:block;margin-bottom:8px;font-weight:500}.room-code-input{text-align:center;font-family:monospace;font-size:1.5rem;letter-spacing:4px;text-transform:uppercase}.spectator-option{margin-bottom:24px;padding:12px;background:var(--bg-tertiary);border-radius:8px}.spectator-option .toggle-label{display:flex;align-items:center;gap:12px;cursor:pointer;margin-bottom:8px}.spectator-option .toggle-label input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent);cursor:pointer}.spectator-option .toggle-text{font-size:1rem;color:var(--text-primary);font-weight:500}.spectator-hint{font-size:.8rem;color:var(--text-secondary);margin:0;padding-left:30px}.btn-full{width:100%}.lobby-footer{padding-top:24px;border-top:1px solid var(--border)}.lobby-footer h4{font-size:1rem;margin-bottom:12px;color:var(--text-secondary)}.rules-list{list-style:none;font-size:.9rem;color:var(--text-secondary)}.rules-list li{padding:6px 0 6px 20px;position:relative}.rules-list li:before{content:"•";position:absolute;left:0;color:var(--accent)}.bot-settings{margin-bottom:24px}.bot-settings h3{font-size:.9rem;color:var(--text-secondary);margin-bottom:12px;text-transform:uppercase;letter-spacing:1px}.bot-toggle{margin-bottom:16px}.toggle-label{display:flex;align-items:center;gap:12px;cursor:pointer}.toggle-label input[type=checkbox]{width:20px;height:20px;accent-color:var(--accent);cursor:pointer}.toggle-text{font-size:1rem;color:var(--text-primary)}.bot-depth-slider{padding:12px;background:var(--bg-tertiary);border-radius:8px}.bot-depth-slider label{display:block;margin-bottom:8px;font-size:.9rem;color:var(--text-secondary)}.slider{width:100%;height:6px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--border);border-radius:3px;outline:none;margin-bottom:8px}.slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:var(--accent);cursor:pointer;transition:transform .2s ease}.slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.slider::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--accent);cursor:pointer;border:none}.depth-labels{display:flex;justify-content:space-between;font-size:.75rem;color:var(--text-secondary)}.cell{aspect-ratio:1;background:var(--bg-tertiary);border-radius:8px;position:relative;overflow:visible;transition:all .2s ease}.cell.blocked{background:linear-gradient(135deg,#1a1a2e,#16213e);cursor:not-allowed}.cell.blocked:before{background:repeating-linear-gradient(45deg,transparent,transparent 4px,rgba(255,255,255,.03) 4px,rgba(255,255,255,.03) 8px)}.blocked-icon{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:1.5rem;color:#ffffff26;font-weight:700}.cell:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,rgba(255,255,255,.05) 0%,transparent 50%);pointer-events:none;border-radius:8px}.cell.clickable{cursor:pointer}.cell.clickable:hover{background:var(--border);transform:scale(1.05)}.cell.hovered.clickable{box-shadow:inset 0 0 0 2px var(--accent)}.cell.cell-critical{box-shadow:0 0 15px color-mix(in srgb,var(--orb-color, #fff) 40%,transparent)}.cell.exploding{animation:cellExplode .9s cubic-bezier(.25,.46,.45,.94);z-index:10}@keyframes cellExplode{0%{transform:scale(1);filter:brightness(1)}15%{transform:scale(1.3);filter:brightness(1.6)}30%{transform:scale(1.2);filter:brightness(1.4)}50%{transform:scale(.85);filter:brightness(1)}70%{transform:scale(1.08)}to{transform:scale(1);filter:brightness(1)}}.cell-inner{position:absolute;top:10%;right:10%;bottom:10%;left:10%;display:flex;align-items:center;justify-content:center}.orb{position:absolute;width:42%;height:42%;border-radius:50%;background:radial-gradient(circle at 30% 30%,color-mix(in srgb,var(--orb-color) 100%,white 40%),var(--orb-color) 45%,color-mix(in srgb,var(--orb-color) 100%,black 40%));box-shadow:0 4px 12px #00000080,0 0 20px color-mix(in srgb,var(--orb-color) 30%,transparent),inset 0 -3px 6px #0000004d,inset 0 3px 6px #fff6;transform:translate(calc(var(--orb-x) * 100%),calc(var(--orb-y) * 100%));animation:orbPopIn .35s cubic-bezier(.34,1.56,.64,1) forwards,orbIdle 3s ease-in-out .35s infinite;transition:all .4s cubic-bezier(.34,1.56,.64,1)}@keyframes orbPopIn{0%{opacity:0;transform:translate(calc(var(--orb-x) * 100%),calc(var(--orb-y) * 100%)) scale(0)}60%{opacity:1;transform:translate(calc(var(--orb-x) * 100%),calc(var(--orb-y) * 100%)) scale(1.2)}to{opacity:1;transform:translate(calc(var(--orb-x) * 100%),calc(var(--orb-y) * 100%)) scale(1)}}.orb.critical{animation:orbPopIn .35s cubic-bezier(.34,1.56,.64,1) forwards,orbCritical .7s ease-in-out .35s infinite;box-shadow:0 4px 12px #00000080,0 0 35px color-mix(in srgb,var(--orb-color) 60%,transparent),0 0 60px color-mix(in srgb,var(--orb-color) 30%,transparent),inset 0 -3px 6px #0000004d,inset 0 3px 6px #fff6}@keyframes orbIdle{0%,to{transform:translate(calc(var(--orb-x) * 100%),calc(var(--orb-y) * 100%))}50%{transform:translate(calc(var(--orb-x) * 100%),calc(var(--orb-y) * 100% - 5px))}}@keyframes orbCritical{0%,to{transform:translate(calc(var(--orb-x) * 100%),calc(var(--orb-y) * 100%)) scale(1);filter:brightness(1)}50%{transform:translate(calc(var(--orb-x) * 100%),calc(var(--orb-y) * 100%)) scale(1.18);filter:brightness(1.25)}}.explosion-burst{position:absolute;top:-80%;right:-80%;bottom:-80%;left:-80%;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--orb-color) 80%,white 20%) 0%,var(--orb-color) 30%,transparent 70%);animation:burst .5s ease-out forwards;pointer-events:none;z-index:10}@keyframes burst{0%{opacity:.9;transform:scale(.2)}30%{opacity:.7}to{opacity:0;transform:scale(1.8)}}.explosion-flash{position:absolute;top:-120%;right:-120%;bottom:-120%;left:-120%;border-radius:50%;background:radial-gradient(circle,white 0%,var(--orb-color) 25%,transparent 70%);animation:flash .9s cubic-bezier(.25,.46,.45,.94) forwards;pointer-events:none;z-index:20}@keyframes flash{0%{opacity:1;transform:scale(.2)}25%{opacity:.95;transform:scale(.8)}50%{opacity:.7;transform:scale(1.2)}to{opacity:0;transform:scale(2.2)}}.shockwave{position:absolute;top:-80%;right:-80%;bottom:-80%;left:-80%;border:4px solid 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scale(.2);opacity:0}}.explosion-particles{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:15}.particle{position:absolute;width:10px;height:10px;border-radius:50%;background:var(--orb-color);box-shadow:0 0 15px var(--orb-color),0 0 30px var(--orb-color);animation:particleFly .9s cubic-bezier(.25,.46,.45,.94) forwards}.particle:nth-child(1){--angle: 0deg;--distance: 70px}.particle:nth-child(2){--angle: 90deg;--distance: 70px}.particle:nth-child(3){--angle: 180deg;--distance: 70px}.particle:nth-child(4){--angle: 270deg;--distance: 70px}.particle:nth-child(5){--angle: 45deg;--distance: 55px}.particle:nth-child(6){--angle: 135deg;--distance: 55px}.particle:nth-child(7){--angle: 225deg;--distance: 55px}.particle:nth-child(8){--angle: 315deg;--distance: 55px}@keyframes particleFly{0%{transform:translate(-50%,-50%) rotate(var(--angle)) translateY(0) scale(1);opacity:1}70%{opacity:.8}to{transform:translate(-50%,-50%) rotate(var(--angle)) translateY(calc(-1 * 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#0000004d}.history-range::-moz-range-track{height:6px;background:var(--bg-tertiary);border-radius:3px}.history-range::-moz-range-progress{height:6px;background:var(--accent);border-radius:3px}.viewing-history .history-range{background:linear-gradient(to right,#f59e0b 0%,#f59e0b var(--progress, 0%),var(--bg-tertiary) var(--progress, 0%),var(--bg-tertiary) 100%)}.viewing-history .history-range::-webkit-slider-thumb{background:#f59e0b}.viewing-history .history-range::-webkit-slider-thumb:hover{box-shadow:0 0 10px #f59e0b}.viewing-history .history-range::-moz-range-thumb{background:#f59e0b}.viewing-history .history-range::-moz-range-progress{background:#f59e0b}@media (max-width: 600px){.history-slider{padding:10px 12px}.slider-container{gap:6px}.history-btn{width:26px;height:26px;font-size:.65rem}.history-position{font-size:.7rem;padding:4px 6px;min-width:38px}}.game-room{display:flex;gap:32px;width:100%;max-width:1200px;height:100%}.game-sidebar{width:260px;flex-shrink:0;display:flex;flex-direction:column;gap:16px;max-height:calc(100vh - 120px);overflow-y:auto}.game-controls{display:flex;flex-direction:column;gap:8px}.game-main{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;min-height:0;height:100%}.turn-indicator{padding:12px 24px;background:var(--bg-secondary);border-radius:12px;font-size:1.1rem;font-weight:600;text-align:center;border:2px solid var(--border);transition:all .3s ease;min-height:48px;display:flex;align-items:center;justify-content:center;line-height:1.2}.turn-indicator.my-turn{border-color:var(--player-color);box-shadow:0 0 20px color-mix(in srgb,var(--player-color) 40%,transparent);animation:pulse 2s ease-in-out infinite}.turn-indicator.game-over{border-color:var(--winner-color);background:color-mix(in srgb,var(--winner-color) 20%,var(--bg-secondary));font-size:1.5rem}.turn-indicator.viewing-history{border-color:#f59e0b;background:#f59e0b1a;color:#f59e0b;animation:none}.loading{text-align:center;color:var(--text-secondary)}@media (max-width: 768px){.game-room{flex-direction:column;align-items:center}.game-sidebar{width:100%;max-width:400px;order:2}.game-main{order:1;width:100%}}.btn-small{padding:2px 8px;font-size:.75rem;min-width:auto}.btn-danger{background:#ef4444;color:#fff}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{padding:16px 24px;background:var(--bg-secondary);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.app-title{font-size:1.5rem;font-weight:700;display:flex;align-items:center;gap:10px}.title-icon{font-size:1.8rem;animation:spin 10s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.room-info{display:flex;align-items:center;gap:16px}.header-controls{display:flex;align-items:center;gap:12px}.power-mode-btn{width:40px;height:40px;border-radius:8px;background:var(--bg-tertiary);border:1px solid var(--border);font-size:1.2rem;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.power-mode-btn:hover{background:var(--border)}.power-mode-btn.active{background:var(--success);border-color:var(--success)}.room-code{padding:8px 16px;background:var(--bg-tertiary);border-radius:8px;font-family:monospace;font-size:1.1rem;letter-spacing:2px}.app-main{flex:1;padding:24px;display:flex;align-items:center;justify-content:center;height:calc(100vh - 80px);overflow:hidden}.connecting{text-align:center}.connecting-spinner{width:48px;height:48px;border:4px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 24px}.connecting h2{margin-bottom:8px}.connecting p{color:var(--text-secondary)}.error-toast{position:fixed;top:80px;left:50%;transform:translate(-50%);background:var(--danger);color:#fff;padding:12px 24px;border-radius:8px;z-index:1000;font-weight:500;box-shadow:0 4px 20px #ef44444d}*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0f0f23;--bg-secondary: #1a1a2e;--bg-tertiary: #25253a;--text-primary: #ffffff;--text-secondary: #a0a0b0;--accent: #6366f1;--accent-hover: #818cf8;--success: #22c55e;--danger: #ef4444;--border: #3f3f5a}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;overflow-x:hidden}#root{min-height:100vh;display:flex;flex-direction:column}.btn{padding:12px 24px;border-radius:12px;border:none;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 8px 20px #6366f14d}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border);transform:translateY(-2px)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#16a34a}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.input{padding:12px 16px;border-radius:12px;border:1px solid var(--border);background:var(--bg-tertiary);color:var(--text-primary);font-size:1rem;width:100%;transition:all .2s ease}.input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #6366f133}.input::placeholder{color:var(--text-secondary)}.card{background:var(--bg-secondary);border-radius:16px;padding:24px;border:1px solid var(--border)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}@keyframes explode{0%{transform:scale(1);opacity:1}50%{transform:scale(1.5);opacity:.8}to{transform:scale(0);opacity:0}}@keyframes orbBounce{0%,to{transform:translateY(0)}50%{transform:translateY(-3px)}}.animate-fadeIn{animation:fadeIn .3s ease forwards}.animate-pulse{animation:pulse 2s ease-in-out infinite}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}:root.low-power-mode *,:root.low-power-mode *:before,:root.low-power-mode *:after{animation:none!important;transition:none!important}:root.low-power-mode .orb{transform:translate(calc(var(--orb-x) * 100%),calc(var(--orb-y) * 100%))!important;opacity:1!important}:root.low-power-mode .explosion-particle,:root.low-power-mode .explosion-flash,:root.low-power-mode .explosion-burst,:root.low-power-mode .shockwave{display:none!important}:root.low-power-mode .cell.exploding{background:var(--border)!important}:root.low-power-mode .title-icon{animation:none!important}