:root{--primary-color: #1db954;--primary-hover: #1ed760;--background: #121212;--surface: #181818;--surface-hover: #282828;--text-primary: #ffffff;--text-secondary: #b3b3b3;--border: #282828}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--background);color:var(--text-primary);line-height:1.6;min-height:100vh;padding-bottom:120px}.container{max-width:1400px;margin:0 auto;padding:0 2rem}header{background-color:var(--surface);padding:2rem 0;margin-bottom:2rem;border-bottom:1px solid var(--border)}header h1{font-size:2.5rem;margin-bottom:.5rem}.subtitle{color:var(--text-secondary);font-size:1rem}.playlists-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1.5rem;margin-top:1.5rem}.playlist-card{background-color:var(--surface);border-radius:8px;padding:1rem;cursor:pointer;transition:background-color .2s}.playlist-card:hover{background-color:var(--surface-hover)}.playlist-cover{width:100%;aspect-ratio:1;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:4px;margin-bottom:1rem;display:flex;align-items:center;justify-content:center;font-size:3rem;overflow:hidden}.playlist-cover img{width:100%;height:100%;object-fit:cover}.playlist-card h3{font-size:1rem;margin-bottom:.5rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.playlist-card p{color:var(--text-secondary);font-size:.875rem}#playlist-view{animation:fadeIn .3s}.back-button{background:none;border:none;color:var(--text-primary);font-size:1rem;cursor:pointer;padding:.5rem 0;margin-bottom:1rem;transition:color .2s}.back-button:hover{color:var(--primary-color)}.playlist-info{margin-bottom:2rem}.playlist-info h2{font-size:2rem;margin-bottom:.5rem}.playlist-info p{color:var(--text-secondary)}.tracks-list{display:flex;flex-direction:column;gap:.5rem}.track-item{background-color:var(--surface);border-radius:4px;padding:1rem;display:flex;align-items:center;gap:1rem;transition:background-color .2s}.track-item:hover{background-color:var(--surface-hover)}.track-item.track-playing{background-color:var(--surface-hover);border-left:3px solid var(--primary-color);padding-left:calc(1rem - 3px)}.track-item.track-playing .track-number,.track-item.track-playing .track-name{color:var(--primary-color)}.track-number{color:var(--text-secondary);min-width:2rem;text-align:center}.track-info{flex:1;min-width:0}.track-name{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.track-size{color:var(--text-secondary);font-size:.875rem}.track-actions{display:flex;gap:.5rem}.btn{background-color:var(--primary-color);color:var(--text-primary);border:none;border-radius:20px;padding:.5rem 1.5rem;font-size:.875rem;font-weight:600;cursor:pointer;transition:all .2s}.btn:hover{background-color:var(--primary-hover);transform:scale(1.05)}.btn-secondary{background-color:transparent;border:1px solid var(--text-secondary);color:var(--text-secondary)}.btn-secondary:hover{background-color:transparent;border-color:var(--text-primary);color:var(--text-primary)}.player{position:fixed;bottom:0;left:0;right:0;background-color:var(--surface);border-top:1px solid var(--border);padding:1.25rem;z-index:100;box-shadow:0 -4px 12px #0000004d}.player-content{max-width:1400px;margin:0 auto;display:grid;grid-template-columns:1fr auto 1fr;grid-template-areas:"info controls progress";align-items:center;gap:2rem}.player-info{grid-area:info;min-width:0}.player-track-name{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.95rem}.player-playlist-name{color:var(--text-secondary);font-size:.8rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.player-controls{grid-area:controls;display:flex;align-items:center;gap:1rem;justify-content:center}.control-btn{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:var(--text-primary);cursor:pointer;padding:.5rem;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .2s;width:40px;height:40px;flex-shrink:0}.control-btn:hover{color:var(--primary-color);background-color:#fff3;border-color:var(--primary-color);transform:scale(1.05)}.control-btn:active{transform:scale(.95)}.control-btn svg{width:22px;height:22px;pointer-events:none}.control-btn-main{background-color:var(--primary-color);color:var(--text-primary);width:48px;height:48px;border:none}.control-btn-main:hover{background-color:var(--primary-hover);color:var(--text-primary);transform:scale(1.1);border-color:transparent}.control-btn-main svg{width:26px;height:26px}.player-progress{grid-area:progress;display:flex;align-items:center;gap:.75rem;font-size:.75rem;color:var(--text-secondary)}#progress-bar{flex:1;height:4px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--border);border-radius:2px;outline:none;cursor:pointer}#progress-bar::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:12px;height:12px;background:var(--primary-color);border-radius:50%;cursor:pointer;opacity:0;transition:opacity .2s}#progress-bar:hover::-webkit-slider-thumb{opacity:1}#progress-bar::-moz-range-thumb{width:12px;height:12px;background:var(--primary-color);border-radius:50%;cursor:pointer;border:none;opacity:0;transition:opacity .2s}#progress-bar:hover::-moz-range-thumb{opacity:1}#progress-bar::-webkit-slider-runnable-track{height:4px;background:linear-gradient(to right,var(--primary-color) var(--progress, 0%),var(--border) var(--progress, 0%));border-radius:2px}#progress-bar::-moz-range-track{height:4px;background:var(--border);border-radius:2px}#progress-bar::-moz-range-progress{height:4px;background:var(--primary-color);border-radius:2px}#audio-player{display:none}.hidden{display:none!important}.loading{text-align:center;color:var(--text-secondary);padding:2rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media (max-width: 768px){body{padding-bottom:160px}.container{padding:0 1rem}header h1{font-size:2rem}.playlists-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1rem}.player{padding:1rem}.player-content{grid-template-columns:1fr;grid-template-areas:"info" "controls" "progress";gap:.75rem}.player-info{text-align:center}.player-controls{justify-content:center}.control-btn{width:44px;height:44px}.control-btn-main{width:52px;height:52px}.track-item{flex-wrap:wrap;padding:.75rem}.track-number{min-width:1.5rem;font-size:.875rem}.track-actions{width:100%;justify-content:flex-end;margin-top:.5rem}.btn{padding:.4rem 1rem;font-size:.8rem}}