:root{--bg-dark: #0a0a0f;--bg-card: rgba(30, 30, 42, .6);--bg-card-hover: rgba(45, 45, 60, .8);--text-primary: #ffffff;--text-secondary: #a0a0b0;--accent-1: #6366f1;--accent-2: #8b5cf6;--accent-3: #a855f7;--gradient-primary: linear-gradient(135deg, var(--accent-1), var(--accent-2), var(--accent-3));--glass-border: rgba(255, 255, 255, .1);--shadow-glow: 0 0 20px rgba(139, 92, 246, .3);--transition-fast: .2s ease;--transition-normal: .3s cubic-bezier(.4, 0, .2, 1);--blur-amount: blur(12px)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,sans-serif;background-color:var(--bg-dark);color:var(--text-primary);line-height:1.5;overflow:hidden;-webkit-font-smoothing:antialiased}#app{width:100vw;height:100vh;height:100dvh;position:relative;display:flex;flex-direction:column;overflow:hidden}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#fff3;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#fff6}h1,h2,h3{font-weight:600;letter-spacing:-.02em}.text-gradient{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.glass{background:var(--bg-card);backdrop-filter:var(--blur-amount);-webkit-backdrop-filter:var(--blur-amount);border:1px solid var(--glass-border);border-radius:16px}input{width:100%;padding:12px 16px;background:#0006;border:1px solid var(--glass-border);border-radius:8px;color:var(--text-primary);font-family:inherit;font-size:14px;transition:var(--transition-fast);outline:none}input:focus{border-color:var(--accent-2);box-shadow:0 0 0 2px #8b5cf633}.btn{background:var(--gradient-primary);color:#fff;border:none;padding:12px 24px;border-radius:8px;font-weight:600;cursor:pointer;transition:var(--transition-normal);display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn:hover{box-shadow:var(--shadow-glow);transform:translateY(-1px)}.btn:active{transform:translateY(1px)}.btn-icon{background:transparent;color:var(--text-primary);border:none;padding:8px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition-fast)}.btn-icon:hover{background:#ffffff1a}.view{position:absolute;top:0;left:0;right:0;bottom:0;opacity:0;pointer-events:none;transition:opacity var(--transition-normal);display:flex;flex-direction:column}.view.active{opacity:1;pointer-events:all}.login-view{align-items:center;justify-content:center;padding:20px}.login-card{width:100%;max-width:400px;padding:40px;display:flex;flex-direction:column;gap:20px;text-align:center}.login-card h1{font-size:2rem;margin-bottom:8px}.login-error{color:#ff4b4b;font-size:.875rem;min-height:20px}.library-view{padding:20px 20px 100px;overflow-y:auto;-webkit-overflow-scrolling:touch}.library-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;position:sticky;top:0;z-index:10;padding-bottom:10px;background:linear-gradient(var(--bg-dark) 80%,transparent)}.track-list{display:flex;flex-direction:column;gap:8px}.track-item{display:grid;grid-template-columns:24px 40px 1fr auto auto;gap:12px;align-items:center;padding:10px;border-radius:12px;cursor:pointer;transition:var(--transition-fast)}.track-item:hover{background:var(--bg-card-hover)}.track-art{width:40px;height:40px;border-radius:6px;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #0000004d}.track-info{display:flex;flex-direction:column;overflow:hidden}.track-title{font-weight:500;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.track-artist{font-size:.875rem;color:var(--text-secondary)}.track-duration{color:var(--text-secondary);font-size:.875rem}.player-view{background:var(--bg-dark);z-index:1000;transform:translateY(100%);transition:transform .4s cubic-bezier(.2,.8,.2,1);padding:20px;display:flex;flex-direction:column;justify-content:space-between;height:100%}.player-view.active{transform:translateY(0);opacity:1}.player-bg-blur{position:absolute;top:0;left:0;right:0;bottom:0;background-size:cover;background-position:center;filter:blur(40px) brightness(.4);z-index:-1;opacity:.5}.player-header{display:flex;justify-content:space-between;align-items:center;height:60px;flex-shrink:0}.player-art-container{flex:1;display:flex;align-items:center;justify-content:center;padding:10px 0;min-height:0}.player-art{width:70vw;height:70vw;max-width:280px;max-height:280px;aspect-ratio:1;border-radius:20px;background:var(--gradient-primary);box-shadow:0 15px 35px #0009,0 0 30px #8b5cf626;transition:var(--transition-normal);display:flex;align-items:center;justify-content:center}.player-art.playing{animation:pulse 4s infinite alternate}.player-controls-container{flex-shrink:0;display:flex;flex-direction:column;gap:12px;padding-bottom:20px}.player-track-info{text-align:center}.player-track-title{font-size:1.2rem;font-weight:700;margin-bottom:2px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.player-track-artist{font-size:.9rem;color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.progress-container{display:flex;align-items:center;gap:12px;margin-bottom:15px}.progress-time{font-size:.75rem;color:var(--text-secondary);font-variant-numeric:tabular-nums}.progress-bar{flex:1;height:6px;background:#ffffff1a;border-radius:3px;cursor:pointer;position:relative}.progress-fill{position:absolute;top:0;left:0;height:100%;background:var(--gradient-primary);border-radius:3px;width:0%;pointer-events:none}.progress-fill:after{content:"";position:absolute;right:-6px;top:-3px;width:12px;height:12px;background:#fff;border-radius:50%;box-shadow:0 0 10px #8b5cf6cc;opacity:0;transition:opacity var(--transition-fast)}.progress-bar:hover .progress-fill:after{opacity:1}.main-controls{display:flex;justify-content:center;align-items:center;gap:24px}.btn-play{width:56px;height:56px;border-radius:50%;background:var(--text-primary);color:var(--bg-dark);display:flex;align-items:center;justify-content:center;font-size:20px;transition:var(--transition-fast);cursor:pointer;border:none}.btn-play:hover{transform:scale(1.05);box-shadow:0 0 20px #ffffff4d}.now-playing-bar{position:fixed;bottom:0;left:0;right:0;height:72px;padding:0 16px;background:#0f0f17e6;backdrop-filter:blur(25px);-webkit-backdrop-filter:blur(25px);border-top:1px solid var(--glass-border);display:flex;align-items:center;justify-content:space-between;transform:translateY(100%);transition:transform var(--transition-normal);z-index:999;cursor:pointer}.now-playing-bar.visible{transform:translateY(0)}.np-left{display:flex;align-items:center;gap:12px;flex:1;overflow:hidden}.np-art{width:48px;height:48px;border-radius:6px;background:var(--gradient-primary);flex-shrink:0}.np-info{display:flex;flex-direction:column;overflow:hidden}.np-title{font-weight:500;font-size:.9rem;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.np-artist{font-size:.8rem;color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.np-controls{display:flex;align-items:center;gap:8px;flex-shrink:0}.np-progress{position:absolute;top:-1px;left:0;right:0;height:2px;background:transparent}.np-progress-fill{height:100%;background:var(--accent-2);width:0%}@keyframes pulse{0%{box-shadow:0 20px 40px #00000080,0 0 40px #8b5cf633}to{box-shadow:0 20px 40px #00000080,0 0 60px #a855f780}}.download-badge{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:#6366f133;color:var(--accent-1)}.download-badge.active{background:var(--accent-1);color:#fff}@media (min-width: 768px){.library-view{padding:40px 40px 120px}.track-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}.track-item{background:var(--bg-card);border:1px solid var(--glass-border)}.player-view{display:flex;flex-direction:row;align-items:center;gap:60px;padding:60px}.player-art-container{margin-bottom:0;flex:1;justify-content:flex-end}.player-controls-container{flex:1;padding-bottom:0;max-width:500px}.player-art{max-width:480px}}