:root{--bg-color: #050505;--bg-panel: #111216;--bg-panel-hover: #1a1c23;--border-color: #2a2d36;--accent-primary: #00e676;--accent-secondary: #3e8dff;--accent-danger: #ff3b3b;--text-primary: #ffffff;--text-secondary: #a0a5b5;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--transition-smooth: all .3s cubic-bezier(.16, 1, .3, 1);--tetris-i: #00e5ff;--tetris-j: #2979ff;--tetris-l: #ff9100;--tetris-o: #ffea00;--tetris-s: #00e676;--tetris-t: #d500f9;--tetris-z: #ff1744}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{background-color:var(--bg-color);color:var(--text-primary);font-family:Outfit,sans-serif;font-weight:400;overflow:hidden;height:100vh;display:flex;justify-content:center;align-items:center;background-image:none}#app{width:100%;max-width:1200px;height:100vh;display:flex;flex-direction:column;padding:2vw}@keyframes smoothFadeUp{0%{opacity:0;transform:translateY(30px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes smoothDropIn{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}.overlay:not(.hidden) .lobby-content,#game-view:not(.hidden){animation:smoothFadeUp .6s cubic-bezier(.16,1,.3,1) forwards}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;z-index:1000;position:relative;animation:smoothDropIn .6s cubic-bezier(.16,1,.3,1) forwards}.title-logo{height:36px;width:auto;display:block;filter:drop-shadow(0 2px 4px rgba(0,0,0,.4))}@media(max-width:600px){.title-logo{height:26px}}h2,h3{font-weight:800;letter-spacing:.5px}h2{font-size:2rem;margin-bottom:30px;color:var(--text-primary);text-align:center}.glass,.glass-heavy,.lobby-content{background:var(--bg-panel);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:0 10px 30px #00000080}.overlay{position:fixed;top:0;left:0;width:100%;height:100%;z-index:100;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:20px;background:#050505d9;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}#selection-overlay,#spectator-overlay{background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none}#selection-overlay .lobby-content,#spectator-overlay .lobby-content,#spectator-overlay.glass-heavy{background:transparent!important;border:none!important;box-shadow:none!important}.lobby-content{width:100%;max-width:480px;padding:40px 30px}.input-group{margin-bottom:24px;text-align:left}.input-group label{display:block;font-size:.85rem;font-weight:600;color:var(--text-secondary);margin-bottom:8px;margin-left:4px;text-transform:uppercase;letter-spacing:1px}input[type=text],input[type=number]{width:100%;background:#000;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:14px 16px;color:var(--text-primary);font-family:inherit;font-size:1rem;outline:none;transition:var(--transition-smooth)}input:focus{border-color:var(--accent-primary);background:#111419;box-shadow:0 0 0 3px #00e6761a}.modern-toggle{display:flex;align-items:center;gap:12px;cursor:pointer;font-size:.95rem;color:var(--text-primary);-webkit-user-select:none;user-select:none}.modern-toggle input{display:none}.toggle-slider{position:relative;width:48px;height:26px;background:#000;border:1px solid var(--border-color);border-radius:20px;transition:var(--transition-smooth)}.toggle-slider:before{content:"";position:absolute;width:18px;height:18px;background:var(--text-secondary);border-radius:50%;top:3px;left:3px;transition:var(--transition-smooth)}.modern-toggle input:checked+.toggle-slider{background:var(--accent-primary);border-color:var(--accent-primary)}.modern-toggle input:checked+.toggle-slider:before{background:#000;transform:translate(22px)}.modern-toggle.small{font-size:.8rem;color:var(--text-secondary)}.modern-toggle.small .toggle-slider{width:36px;height:20px}.modern-toggle.small .toggle-slider:before{width:14px;height:14px;top:2px;left:2px}.modern-toggle.small input:checked+.toggle-slider:before{transform:translate(16px)}button{font-family:Outfit,sans-serif;border:none;border-radius:var(--radius-md);padding:16px 24px;font-weight:800;font-size:1rem;letter-spacing:1px;cursor:pointer;transition:var(--transition-smooth);width:100%;display:flex;justify-content:center;align-items:center;gap:8px}.btn-primary,.btn-accent,.btn-standout{background:var(--accent-primary);color:#000}.btn-primary:hover,.btn-accent:hover,.btn-standout:hover{background:#1aff8c;transform:translateY(-2px);box-shadow:0 8px 16px #00e67633}.btn-primary:active,.btn-accent:active,.btn-standout:active{transform:translateY(1px);box-shadow:none}.btn-secondary{background:#3e8dff1a;color:var(--accent-secondary);border:1px solid rgba(62,141,255,.4)}.btn-secondary:hover{background:#3e8dff33;border-color:var(--accent-secondary);transform:translateY(-2px)}.sns-share,.share-btns{display:flex;flex-direction:row;justify-content:center;align-items:center;gap:12px;margin-top:20px;width:100%}.share-btns button,.sns-share button{flex:1;width:auto;padding:12px 5px;font-size:.9rem;border-radius:var(--radius-md);font-weight:600}.btn-sns.twitter{background:#1da1f2;color:#fff;border:none}.btn-sns.line{background:#06c755;color:#fff;border:none}.btn-sns:hover{transform:translateY(-2px);filter:brightness(1.1)}.level-btn{padding:12px 0;border-radius:var(--radius-sm);font-weight:800;cursor:pointer;background:#000;border:1px solid var(--border-color);color:var(--text-secondary);transition:var(--transition-smooth)}.level-btn:hover{background:var(--bg-panel-hover);color:var(--text-primary)}.level-btn.selected{background:var(--accent-primary);color:#000;border-color:var(--accent-primary)}.level-btn.selected.p2{background:var(--accent-secondary);color:#fff;border-color:var(--accent-secondary)}.level-btn.ml-model-btn{border-color:var(--accent-secondary);color:var(--accent-secondary)}.level-btn.ml-model-btn:hover{background:#3e8dff1a}.level-btn.ml-model-btn.selected{background:var(--accent-secondary);color:#fff;border-color:var(--accent-secondary)}.players-ready{display:flex;align-items:center;justify-content:space-around;margin:30px 0;width:100%}.player-ready-card{display:flex;flex-direction:column;align-items:center;gap:12px}.player-ready-card .name{font-size:1.1rem;font-weight:800;color:var(--text-primary)}.status-dot{width:14px;height:14px;border-radius:50%;background:#2a2d36;box-shadow:inset 0 2px 4px #00000080;transition:var(--transition-smooth)}.status-dot.ready{background:var(--accent-primary);box-shadow:0 0 12px var(--accent-primary),inset 0 0 4px #fffc}.vs{font-size:1.5rem;font-weight:900;color:var(--text-secondary);opacity:.3}#game-view{flex:1;display:flex;flex-direction:column;justify-content:center}.game-container{flex:1;display:flex;justify-content:center;align-items:center;gap:8vw;margin-bottom:10px}.player-area{padding:24px;background:var(--bg-panel);border:1px solid var(--border-color);border-radius:var(--radius-lg);display:flex;flex-direction:column;align-items:center}.player-info{width:100%;display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;padding-bottom:15px;border-bottom:1px solid var(--border-color)}.player-name{font-size:1.2rem;font-weight:800;color:var(--text-primary)}.score{font-size:1rem;color:var(--text-secondary);font-weight:600;position:relative}#p1-score,#p2-score{color:var(--accent-primary);font-size:1.2rem;font-weight:800;margin-left:5px}canvas{max-width:100%;height:auto;background:#050505;border-radius:var(--radius-sm)}.next-box{width:80px;height:100px;background:#050505;border:1px solid var(--border-color);border-radius:var(--radius-md);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:10px;position:absolute;right:-95px;top:0}.next-box .label{font-size:.7rem;font-weight:800;color:var(--text-secondary);letter-spacing:1px;margin-bottom:8px}#mobile-controls{display:flex;flex-direction:column;gap:8px;align-items:center;padding:5px;margin-top:auto}.control-row{display:flex;gap:10px}.ctrl-btn{width:65px;height:65px;border-radius:50%;background:#1a1e26;border:none;color:var(--accent-primary);display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition-smooth)}.ctrl-btn:active{background:#222732;transform:scale(.95)}.ctrl-btn span{font-size:1.3rem;line-height:1;margin-bottom:2px}.ctrl-btn small{display:block;font-size:.6rem;font-weight:600;color:var(--text-secondary);text-transform:none}.ctrl-btn.wide{width:180px;height:50px;border-radius:25px;flex-direction:row;gap:8px}.ctrl-btn.wide span{margin-bottom:0}.ctrl-btn.wide small{margin-top:0;display:inline;font-size:.75rem}#selection-timer{width:100%;height:6px;background:var(--accent-primary);border-radius:3px;margin-bottom:20px;transition:width .1s linear}.selection-instructions{text-align:center;margin-bottom:20px}#selection-prompt{font-size:1.1rem;font-weight:600;color:var(--text-primary);margin-bottom:15px;text-shadow:0 2px 4px rgba(0,0,0,.8)}.selection-status-pills{display:flex;justify-content:center;gap:10px}.status-pill{padding:6px 14px;border-radius:20px;font-size:.75rem;font-weight:800;letter-spacing:1px;background:#00000080;color:var(--text-secondary);transition:var(--transition-smooth)}.status-pill.blue.ready{background:#00e67633;color:var(--accent-primary)}.status-pill.red.ready{background:#fff3;color:var(--text-primary)}.choice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:20px 0}.choice-item{background:transparent;border-radius:var(--radius-md);padding:24px;position:relative;border:2px solid rgba(255,255,255,.25);box-shadow:0 0 15px #ffffff1a,inset 0 0 15px #ffffff1a;display:flex;justify-content:center;align-items:center;transition:var(--transition-smooth);cursor:pointer}.choice-item canvas{transition:var(--transition-smooth);filter:drop-shadow(0 0 8px rgba(255,255,255,.6))}.choice-item:hover{transform:translateY(-4px);border-color:#ffffff80;background:#ffffff0d;box-shadow:0 0 20px #ffffff4d,inset 0 0 20px #ffffff26}.choice-item:hover canvas{filter:drop-shadow(0 0 12px rgba(255,255,255,.9))}.kb-hint{position:absolute;top:10px;left:10px;background:#0009;color:#fff;border-radius:6px;width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:800;border:1px solid rgba(255,255,255,.3);box-shadow:0 0 8px #ffffff4d;text-shadow:0 0 5px rgba(255,255,255,.8)}.choice-item.selected-self{border-color:var(--accent-primary);background:#00e6760d;box-shadow:0 0 20px #00e67666,inset 0 0 20px #00e67633}.choice-item.selected-self canvas{filter:drop-shadow(0 0 12px rgba(0,230,118,.8))}.choice-item.selected-opp{border-color:var(--accent-secondary);background:#3e8dff0d;box-shadow:0 0 20px #3e8dff66,inset 0 0 20px #3e8dff33}.choice-item.selected-opp canvas{filter:drop-shadow(0 0 12px rgba(62,141,255,.8))}.result-screen{max-width:600px}.result-outcome-text{font-size:3rem;font-weight:900;margin:10px 0 30px;color:var(--accent-primary);letter-spacing:2px;text-shadow:0 0 20px rgba(0,230,118,.3)}.stats-grid{display:grid;grid-template-columns:1fr auto 1fr;gap:15px;align-items:center;margin-bottom:30px}.vs-small{font-weight:900;color:var(--text-secondary);font-size:1.2rem;text-align:center;padding:0 10px}.stat-item{background:#000;padding:24px 20px;border-radius:var(--radius-md);border:1px solid var(--border-color);position:relative;width:100%}.state-label{position:absolute;top:-10px;left:50%;transform:translate(-50%);font-size:.75rem;font-weight:800;padding:4px 12px;border-radius:12px;letter-spacing:1px}.state-label.winner{background:var(--accent-primary);color:#000}.state-label.loser{background:#2a0a0a;color:var(--accent-danger);border:1px solid var(--accent-danger)}.stat-item .name{display:block;font-size:1.1rem;font-weight:800;margin-bottom:15px;color:var(--text-primary);text-align:left}.val-box{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.val-box .label{font-size:.85rem;color:var(--text-secondary);font-weight:600}.val-box .value{font-size:1.2rem;font-weight:800;color:var(--text-primary)}.stat-footer{background:#000;border-radius:var(--radius-sm);padding:12px 20px;display:flex;justify-content:space-between;border:1px solid var(--border-color);margin-bottom:10px}.stat-footer .stat-label{color:var(--text-secondary);font-weight:600;font-size:.9rem}.stat-footer .stat-value{font-weight:800;color:var(--text-primary)}.action-text-container{position:absolute;top:40%;left:50%;transform:translate(-50%,-50%);pointer-events:none;z-index:50;display:flex;flex-direction:column;align-items:center;gap:8px}.battle-action-text{font-family:Outfit,sans-serif;font-size:1.6rem;font-weight:900;color:#fff;text-shadow:0 4px 12px rgba(0,0,0,.8);letter-spacing:1px;animation:modernPop 2s cubic-bezier(.16,1,.3,1) forwards;white-space:nowrap}@keyframes modernPop{0%{transform:translateY(10px) scale(.8);opacity:0}10%{transform:translateY(0) scale(1.1);opacity:1}85%{transform:translateY(-5px) scale(1);opacity:1}to{transform:translateY(-10px) scale(.9);opacity:0}}.garbage-alert{color:#000;background:var(--accent-danger);font-size:.8rem;font-weight:800;margin-top:10px;padding:4px 12px;border-radius:12px;animation:pulseRed 1.5s infinite}@keyframes pulseRed{0%{opacity:.8;box-shadow:0 0 #ff3b3b66}70%{opacity:1;box-shadow:0 0 0 6px #ff3b3b00}to{opacity:.8}}.garbage-particle{position:fixed;width:12px;height:12px;background:var(--accent-primary);border-radius:50%;pointer-events:none;z-index:9999;opacity:0;box-shadow:0 0 10px var(--accent-primary)}.score-popup{position:absolute;top:-20px;right:0;font-size:1.2rem;font-weight:900;color:var(--accent-primary);pointer-events:none;z-index:100;text-shadow:0 0 10px rgba(0,230,118,.5);animation:scoreFloat 1.2s cubic-bezier(.16,1,.3,1) forwards;white-space:nowrap}@keyframes scoreFloat{0%{transform:translateY(0) scale(.8);opacity:0}20%{transform:translateY(-10px) scale(1.2);opacity:1}to{transform:translateY(-30px) scale(1);opacity:0}}.hidden{display:none!important}#status-badge{padding:6px 16px;font-size:.75rem;font-weight:800;border-radius:20px;background:#1a1e26;color:var(--accent-primary);text-transform:uppercase;letter-spacing:1px;white-space:nowrap}#status-badge.ready{background:var(--accent-primary);color:#000}.toast{position:fixed;bottom:40px;left:50%;transform:translate(-50%);background:var(--bg-panel);border:1px solid var(--accent-primary);color:var(--accent-primary);padding:14px 28px;border-radius:30px;font-size:.95rem;font-weight:600;z-index:2000;box-shadow:0 10px 25px #00000080;animation:smoothFadeUp .4s cubic-bezier(.16,1,.3,1)}input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;background:var(--border-color);border-radius:3px;outline:none;cursor:pointer}input[type=range]::-webkit-slider-runnable-track{width:100%;height:6px;cursor:pointer;background:transparent;border-radius:3px}input[type=range]::-webkit-slider-thumb{height:20px;width:20px;border-radius:50%;background:var(--accent-primary);cursor:pointer;-webkit-appearance:none;appearance:none;margin-top:-7px;box-shadow:0 0 10px #00e6764d;transition:var(--transition-smooth)}input[type=range]:active::-webkit-slider-thumb{transform:scale(1.2);box-shadow:0 0 15px #00e67680}input[type=range]::-moz-range-thumb{height:20px;width:20px;border:none;border-radius:50%;background:var(--accent-primary);cursor:pointer;box-shadow:0 0 10px #00e6764d;transition:var(--transition-smooth)}@media(max-width:1400px){header{flex-direction:column;gap:15px}header>div{flex-wrap:wrap!important;justify-content:center!important;width:100%}.title-logo{max-width:80%;height:28px;width:auto}#install-pwa-btn,header button:not([style*=width]){width:auto!important;white-space:nowrap!important}}@media(min-width:768px){#choices-container{grid-template-columns:repeat(4,1fr)}}@media(max-width:1000px){.game-container{gap:4vw;flex-direction:row;justify-content:center;align-items:flex-start;padding-top:10px}.player-area{width:45%;margin:0;padding:15px}.board-container{margin-top:90px}.next-box{right:0;top:-100px;transform:scale(.8);transform-origin:bottom right}}@media(max-width:600px){.lobby-content{padding:30px 20px;width:100%}.game-container{gap:2vw}.player-area{width:48%;padding:10px}.board-container{margin-top:80px}.next-box{right:0;top:-85px;transform:scale(.7);width:60px;height:80px}.ctrl-btn{width:60px;height:60px}.ctrl-btn span{font-size:1.2rem}.ctrl-btn small{font-size:.55rem}}@media(max-width:400px){.player-info{flex-direction:column;gap:5px;text-align:center}.board-container{margin-top:90px}.next-box{right:-5px;transform:scale(.65)}#header-room-container{font-size:.8rem;padding:5px 10px!important}}