*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}:root{--bg-primary: #0a0e1a;--bg-secondary: #151929;--bg-card: #1e2333;--neon-purple: #a855f7;--neon-pink: #ec4899;--neon-cyan: #06b6d4;--neon-green: #10b981;--neon-yellow: #fbbf24;--neon-red: #ef4444;--perfect-color: #ffd700;--great-color: #00ff00;--good-color: #ffa500;--miss-color: #ff0000;--text-primary: #ffffff;--text-secondary: #a0a0a0;--border-color: rgba(168, 85, 247, .3)}body{font-family:Orbitron,Segoe UI,sans-serif;background:var(--bg-primary);background-image:url(/assets/main_background-LiprkCGn.png);background-size:cover;background-position:center;background-repeat:no-repeat;background-attachment:fixed;color:var(--text-primary);overflow:hidden;touch-action:none;position:fixed;width:100%;height:100%;-webkit-font-smoothing:antialiased}.screen{position:absolute;top:0;left:0;width:100%;height:100%;display:none;overflow:hidden}.screen.active{display:flex;align-items:center;justify-content:center}.screen.overlay{background:#000c;z-index:100}.menu-container{text-align:center;padding:20px;max-width:500px;width:90%;background:#1e293bcc;border-radius:20px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 25px 50px #00000080;border:1px solid rgba(168,85,247,.3)}.game-title{font-size:clamp(2rem,8vw,4rem);font-weight:900;background:linear-gradient(45deg,var(--neon-purple),var(--neon-pink));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:10px;text-shadow:0 0 30px rgba(168,85,247,.5)}.game-subtitle{font-size:clamp(1rem,4vw,1.5rem);color:var(--text-secondary);margin-bottom:40px}.menu-buttons{display:flex;flex-direction:column;gap:15px}.menu-btn,.control-btn,.pause-menu-btn,.result-btn,.settings-btn,.help-btn{padding:15px 30px;font-size:1.1rem;font-weight:700;font-family:Orbitron,sans-serif;border:2px solid var(--border-color);border-radius:10px;background:var(--bg-card);color:var(--text-primary);cursor:pointer;transition:all .3s ease;text-transform:uppercase;letter-spacing:1px}.menu-btn:hover,.control-btn:hover{transform:translateY(-2px);box-shadow:0 5px 20px #a855f766}.menu-btn:active,.control-btn:active{transform:translateY(0)}.menu-btn.primary,.control-btn.primary,.result-btn.primary,.settings-btn.primary{background:linear-gradient(45deg,var(--neon-purple),var(--neon-pink));border:none;color:#fff;font-weight:900}.menu-btn.secondary{background:#ffffff1a}.device-info{margin-top:30px;font-size:.9rem;color:var(--text-secondary);display:flex;justify-content:center;gap:20px}.song-container{padding:20px;max-width:800px;width:90%;height:90vh;display:flex;flex-direction:column;background:#1e293be6;border-radius:20px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(168,85,247,.3)}.category-tabs{display:flex;gap:10px;margin-bottom:20px;overflow-x:auto;padding-bottom:10px}.category-tab{padding:10px 20px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:5px;color:var(--text-secondary);cursor:pointer;transition:all .3s;white-space:nowrap}.category-tab.active{background:linear-gradient(45deg,var(--neon-purple),var(--neon-pink));color:#fff;border:none}.song-list{flex:1;overflow-y:auto;display:grid;gap:10px;padding-right:10px}.song-item{padding:15px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;cursor:pointer;transition:all .3s;display:flex;justify-content:space-between;align-items:center}.song-item:hover{border-color:var(--neon-purple);transform:translate(5px)}.song-item.selected{background:linear-gradient(135deg,#a855f733,#ec489933);border-color:var(--neon-pink)}.song-info{text-align:left}.song-title{font-weight:700;margin-bottom:5px}.song-artist{font-size:.9rem;color:var(--text-secondary)}.song-difficulty{display:flex;gap:5px}.difficulty-star{color:var(--neon-yellow)}.song-controls{display:flex;gap:15px;margin-top:20px}.control-btn{flex:1}.control-btn:disabled{opacity:.5;cursor:not-allowed}#gameCanvas{position:absolute;top:0;left:0;width:100%;height:100%;background:var(--bg-primary)}.game-ui{position:absolute;top:0;left:0;right:0;padding:20px;pointer-events:none}.score-display{display:flex;justify-content:space-around;font-size:1.2rem;font-weight:700;text-shadow:0 0 10px rgba(255,255,255,.5)}.pause-btn{position:absolute;top:20px;right:20px;width:50px;height:50px;border-radius:50%;background:#ffffff1a;border:2px solid var(--border-color);color:#fff;font-size:1.5rem;cursor:pointer;pointer-events:all}.touch-zones{position:absolute;bottom:0;left:0;right:0;height:25%;display:none;pointer-events:all}.touch-zone{position:absolute;top:0;bottom:0;border-left:1px solid rgba(255,255,255,.1);background:linear-gradient(to top,rgba(168,85,247,.1),transparent)}.touch-zone.active{background:linear-gradient(to top,rgba(168,85,247,.3),transparent)}.key-hints{position:absolute;bottom:10%;left:50%;transform:translate(-50%);display:none;gap:10px;font-family:monospace;font-size:1.2rem;font-weight:700;color:#ffffffb3}.key-hint{padding:10px 15px;background:#ffffff1a;border-radius:5px;border:1px solid var(--border-color)}.pause-container{background:var(--bg-card);padding:40px;border-radius:15px;text-align:center;border:2px solid var(--border-color)}.pause-container h2{margin-bottom:30px;font-size:2rem;color:var(--neon-cyan)}.pause-menu-btn{display:block;width:200px;margin:15px auto}.results-container{background:#1e293be6;padding:30px;border-radius:15px;max-width:500px;width:90%;border:2px solid var(--border-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.results-container h2{text-align:center;margin-bottom:30px;font-size:2rem;background:linear-gradient(45deg,var(--neon-purple),var(--neon-pink));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.results-stats{margin-bottom:30px}.stat-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.1)}.stat-label{color:var(--text-secondary)}.stat-value{font-weight:700;font-size:1.2rem}.stat-value.rating{font-size:2rem;color:var(--neon-yellow);text-shadow:0 0 20px rgba(251,191,36,.5)}.hit-stats{display:flex;justify-content:space-around;padding:20px 0;font-size:.9rem}.hit-perfect{color:var(--perfect-color)}.hit-great{color:var(--great-color)}.hit-good{color:var(--good-color)}.hit-miss{color:var(--miss-color)}.results-buttons{display:flex;gap:10px;margin-top:20px}.result-btn{flex:1;padding:12px;font-size:1rem}.settings-container{background:#1e293be6;padding:30px;border-radius:15px;max-width:500px;width:90%;max-height:90vh;overflow-y:auto;border:2px solid var(--border-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.setting-group{margin-bottom:25px}.setting-group label{display:block;margin-bottom:10px;color:var(--text-secondary);font-size:.9rem}.setting-group input[type=range]{width:100%;margin-bottom:5px}.setting-group input[type=checkbox]{margin-right:10px}.help-container{background:#1e293be6;padding:30px;border-radius:15px;max-width:600px;width:90%;max-height:90vh;overflow-y:auto;border:2px solid var(--border-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.control-section{margin-bottom:30px}.control-section h3{color:var(--neon-cyan);margin-bottom:15px}.key-layout{display:flex;justify-content:center;margin:20px 0}.key-row{display:flex;gap:10px}.key{padding:15px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:5px;min-width:40px;text-align:center}.key.spacebar{min-width:120px}.touch-demo{display:flex;justify-content:center;gap:5px;margin:20px 0}.touch-zone-demo{width:60px;height:100px;background:linear-gradient(to top,rgba(168,85,247,.3),transparent);border:1px solid var(--border-color);border-radius:5px}.timing-list{list-style:none;padding:0}.timing-list li{padding:10px;margin-bottom:10px;background:var(--bg-secondary);border-radius:5px}.timing-perfect{color:var(--perfect-color);font-weight:700}.timing-great{color:var(--great-color);font-weight:700}.timing-good{color:var(--good-color);font-weight:700}.timing-miss{color:var(--miss-color);font-weight:700}.scoreboard-container{background:#1e293be6;padding:30px;border-radius:15px;max-width:900px;width:90%;max-height:90vh;overflow-y:auto;border:2px solid var(--border-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.scoreboard-container h2{text-align:center;margin-bottom:30px;font-size:2rem;background:linear-gradient(45deg,var(--neon-yellow),var(--neon-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.scoreboard-container h3{color:var(--neon-cyan);margin-bottom:20px;font-size:1.3rem}.scoreboard-tabs{display:flex;gap:10px;justify-content:center;margin-bottom:20px;flex-wrap:wrap}.scoreboard-tab{padding:8px 16px;background:#a855f733;border:1px solid var(--border-color);border-radius:20px;color:var(--text-secondary);cursor:pointer;transition:all .3s;font-family:Orbitron,sans-serif;font-size:.9rem}.scoreboard-tab.active{background:linear-gradient(45deg,var(--neon-purple),var(--neon-pink));color:#fff;border:none}.scoreboard-view{display:none}.scoreboard-view.active{display:block}.player-overview{background:#0000004d;border-radius:10px;padding:20px;margin-bottom:20px}.overview-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:20px}.overview-item{text-align:center;padding:15px;background:#a855f71a;border-radius:8px;border:1px solid rgba(168,85,247,.3)}.overview-label{display:block;color:var(--text-secondary);font-size:.85rem;margin-bottom:8px}.overview-value{display:block;font-size:1.4rem;font-weight:700;color:var(--neon-yellow);text-shadow:0 0 10px rgba(251,191,36,.5)}.stats-table,.scoreboard-table{background:#0000004d;border-radius:10px;padding:20px;margin-bottom:20px;overflow-x:auto}.stats-row{display:grid;grid-template-columns:1.5fr repeat(5,1fr);padding:12px;border-bottom:1px solid rgba(255,255,255,.1);align-items:center;transition:all .3s;min-width:600px}.stats-row.header{font-weight:700;color:var(--neon-purple);border-bottom:2px solid var(--neon-purple);font-size:.9rem}.stats-row:hover:not(.header){background:#a855f71a;transform:translate(3px)}.stats-row.played{color:var(--text-primary)}.stats-row.not-played{color:var(--text-secondary);opacity:.7}.score-row{display:grid;padding:12px;border-bottom:1px solid rgba(255,255,255,.1);align-items:center;transition:all .3s}#globalTable .score-row{grid-template-columns:60px 1.5fr 100px 80px 1.5fr 100px}#songTable .score-row{grid-template-columns:60px 1.5fr 100px 80px 80px 100px}.score-row.header{font-weight:700;color:var(--neon-purple);border-bottom:2px solid var(--neon-purple)}.score-row:hover:not(.header){background:#a855f71a;transform:translate(5px)}.score-row.current-player{background:#a855f733;border-left:3px solid var(--neon-purple)}.rank-medal{font-size:1.5rem}.scoreboard-stats{display:flex;justify-content:space-around;padding:20px;background:#a855f71a;border-radius:10px;margin-bottom:20px}.stat-item{text-align:center}.stat-item .stat-label{display:block;color:var(--text-secondary);margin-bottom:5px}.stat-item span:last-child{font-size:1.5rem;font-weight:700;color:var(--neon-yellow)}.scoreboard-btn{width:100%;padding:15px;font-size:1.1rem;font-weight:700;font-family:Orbitron,sans-serif;border:2px solid var(--border-color);border-radius:10px;background:var(--bg-card);color:var(--text-primary);cursor:pointer;transition:all .3s ease}@media (max-width: 768px){.scoreboard-container{padding:20px}.overview-stats{grid-template-columns:repeat(2,1fr);gap:10px}.stats-row{font-size:.85rem;padding:8px}.scoreboard-tab{font-size:.8rem;padding:6px 12px}}.loading-container{text-align:center}.loading-spinner{width:60px;height:60px;margin:0 auto 20px;border:4px solid var(--bg-card);border-top:4px solid var(--neon-purple);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){.touch-zones{display:flex}.key-hints{display:none}.game-ui{padding:10px}.score-display{font-size:1rem}.pause-btn{width:40px;height:40px;font-size:1.2rem}}@media (min-width: 769px){.key-hints{display:flex}.touch-zones{display:none}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--neon-purple);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--neon-pink)}