:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto 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#333}.controls{display:flex;align-items:center;gap:20px}.volume-control{display:flex;align-items:center;gap:10px;color:#aaa;font-size:.9rem}.volume-control input[type=range]{width:80px;height:5px;-webkit-appearance:none;appearance:none;background:#333;border-radius:5px;cursor:pointer}.volume-control input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:15px;height:15px;background:#22c55e;border-radius:50%;cursor:pointer}.speed-control{display:flex;align-items:center;gap:10px;color:#aaa;font-size:.9rem}.speed-control select{padding:5px 10px;background:#1a1a2e;color:#fff;border:1px solid #333;border-radius:5px;cursor:pointer;font-size:.9rem}.speed-control select:hover{border-color:#22c55e}.multiplayer-section{display:flex;flex-direction:column;gap:15px;margin-top:10px}.multiplayer-input{padding:12px 20px;font-size:1rem;background:#1a1a2e;border:1px solid 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rgba(239,68,68,.7);letter-spacing:.2em}.rec-count{font-size:2.5rem;font-weight:900;color:#fff;text-shadow:0 0 20px rgba(239,68,68,.5);margin-top:10px}.rec-hint{font-size:.9rem;color:#888;margin-top:10px}@keyframes recBlink{0%,to{opacity:1}50%{opacity:.3}}.record-button{background:linear-gradient(135deg,#ef4444,#dc2626)!important}.record-button:hover{box-shadow:0 0 30px #ef444480!important}.edit-button{background:linear-gradient(135deg,#8b5cf6,#7c3aed)!important}.edit-button:hover{box-shadow:0 0 30px #8b5cf680!important}.ready-buttons{display:flex;gap:15px;justify-content:center;margin:20px 0}.ready-buttons button{flex:1;max-width:200px}.recording-count{font-size:2rem;font-weight:700;color:#22c55e;margin:15px 0}.game-area:before{content:"";position:absolute;bottom:calc(10% + 17px);left:50%;transform:translate(-50%);width:450px;height:3px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3) 20%,rgba(255,255,255,.5) 50%,rgba(255,255,255,.3) 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h3{color:#8b5cf6}.action-desc{color:#888;margin-bottom:20px;font-size:.95rem}.action-form{display:flex;flex-direction:column;gap:12px}.action-input{padding:14px 16px;background:#0a0a15;border:1px solid #333;border-radius:10px;color:#fff;font-size:.95rem;width:100%}.action-input:focus{outline:none;border-color:#3b82f6}.action-input.youtube{border-color:#ef4444}.action-input.youtube:focus{border-color:#ef4444;box-shadow:0 0 10px #ef44444d}.action-input:disabled{opacity:.6}.action-btn{padding:14px 28px;border:none;border-radius:10px;cursor:pointer;font-size:1rem;font-weight:600;transition:all .3s;width:100%}.action-btn.primary{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff}.action-btn.primary:hover:not(:disabled){transform:scale(1.02);box-shadow:0 5px 20px #3b82f666}.action-btn.primary:disabled{opacity:.6;cursor:not-allowed}.action-btn.purple{background:linear-gradient(135deg,#8b5cf6,#7c3aed);color:#fff}.action-btn.purple:hover{transform:scale(1.02);box-shadow:0 5px 20px #8b5cf666}.action-hint{font-size:.8rem;color:#666;text-align:center}.keys-hint{text-align:center;max-width:600px;margin:0 auto 40px;padding:20px;background:#1a1a2e;border-radius:10px}.keys-hint p{color:#888;margin-bottom:15px}.keys-row{display:flex;justify-content:center;gap:15px}.key-display{width:50px;height:50px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.3rem;border:2px solid}.key-display.green{background:#22c55e33;border-color:#22c55e;color:#22c55e}.key-display.red{background:#ef444433;border-color:#ef4444;color:#ef4444}.key-display.yellow{background:#eab30833;border-color:#eab308;color:#eab308}.key-display.blue{background:#3b82f633;border-color:#3b82f6;color:#3b82f6}.key-display.orange{background:#f9731633;border-color:#f97316;color:#f97316}.songs-section{max-width:1200px;margin:0 auto}.section-title{font-size:1.5rem;color:#22c55e;margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid rgba(34,197,94,.2)}.songs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}.song-card{background:linear-gradient(145deg,#1a1a2e,#252545);border:1px solid #333;border-radius:15px;padding:25px;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden}.song-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#22c55e,#3b82f6);transform:scaleX(0);transition:transform .3s}.song-card:hover{transform:translateY(-5px);border-color:#22c55e;box-shadow:0 10px 40px #22c55e33}.song-card:hover:before{transform:scaleX(1)}.song-card.youtube:before{background:linear-gradient(90deg,#ef4444,#f97316)}.song-card.youtube:hover{border-color:#ef4444;box-shadow:0 10px 40px #ef444433}.song-card .yt-badge{position:absolute;top:15px;right:15px;background:#ef4444;color:#fff;padding:4px 10px;border-radius:20px;font-size:.7rem;font-weight:700}.song-card .song-icon{font-size:2.5rem;margin-bottom:15px}.song-card .song-title{font-size:1.2rem;font-weight:700;margin-bottom:5px;color:#fff}.song-card .song-artist{color:#888;font-size:.95rem}.song-card .song-meta{margin-top:15px;padding-top:15px;border-top:1px solid #333;display:flex;justify-content:space-between;font-size:.8rem;color:#666}.touch-controls{display:none;position:fixed;bottom:0;left:0;right:0;height:130px;background:linear-gradient(180deg,transparent 0%,rgba(0,0,0,.95) 40%);padding:15px 10px 25px;z-index:150;justify-content:center;align-items:flex-end;gap:10px;touch-action:manipulation}.touch-button{flex:1;max-width:65px;height:85px;border:3px solid;border-radius:15px;display:flex;align-items:center;justify-content:center;-webkit-tap-highlight-color:transparent;touch-action:manipulation;-webkit-user-select:none;user-select:none;cursor:pointer;transition:none}.touch-button.pressed{transform:scale(.92);box-shadow:0 0 30px var(--lane-color),inset 0 0 20px #ffffff4d}.touch-button-label{font-size:1.6rem;font-weight:700;color:#fff;text-shadow:0 2px 4px rgba(0,0,0,.8);pointer-events:none}@media(max-width:768px),(pointer:coarse){.touch-controls{display:flex}.keys-hint{display:none}.header{padding:10px 15px;flex-wrap:wrap;gap:10px}.header h1{font-size:1.2rem}.stats{gap:10px;font-size:.9rem}.stats span{padding:3px 8px}.controls{gap:10px}.volume-control,.speed-control{font-size:.8rem}.volume-control input[type=range]{width:60px}.game-area{padding:10px 5px 140px;gap:5px}.lane{width:60px}.note{width:55px;height:20px}.hit-zone{width:55px;height:30px;bottom:15%}.key-label{display:none}.hit-zone{height:20px;border-width:2px}.combo-display{top:20%}.combo-number{font-size:4rem}.combo-label{font-size:1.2rem}.game-area:before{width:340px;bottom:calc(15% + 15px)}.hold-note-bar{width:40px}.menu{padding:30px 20px;width:95%;max-height:90vh}.menu.menu-wide{padding:20px 15px}.menu-layout{flex-direction:column;gap:20px}.menu-column:first-child{min-width:unset;max-width:unset}.menu h2{font-size:1.4rem}.menu button{padding:12px 30px;font-size:1.1rem}.home-container{padding:20px 10px}.home-header h1{font-size:2rem}.home-header p{font-size:1rem}.actions-row{gap:15px}.action-card{min-width:unset;padding:20px}.songs-grid{grid-template-columns:1fr}.note-editor{padding:10px}.editor-controls{flex-wrap:wrap;gap:10px}.global-offset{margin-left:0;padding-left:0;border-left:none;width:100%;justify-content:center;margin-top:10px;padding-top:10px;border-top:1px solid #444}.editor-main{flex-direction:column}.lane-preview{width:100%;min-width:unset;max-height:200px}.recording-indicator{top:10%}.rec-text{font-size:1.2rem}.rec-count{font-size:2rem}.youtube-player-container{display:none!important}}@media(max-width:400px){.touch-button{max-width:60px;height:70px}.touch-button-label{font-size:1.3rem}.lane{width:50px}.note{width:45px;height:18px}.hit-zone{width:45px;height:25px}.game-area:before{width:280px}.hold-note-bar{width:35px}}