:root{--bg-body: #0a0a0a;--bg-panel: #141414;--bg-element: #1f1f1f;--border-main: #333333;--border-focus: #555555;--text-primary: #e0e0e0;--text-secondary: #a0a0a0;--text-muted: #666666;--accent-primary: #3b82f6;--accent-hover: #2563eb;--success: #22c55e;--danger: #ef4444;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--radius-sm: 4px;--radius-md: 6px}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:var(--bg-body);color:var(--text-primary);line-height:1.5}.app-container{max-width:1200px;margin:0 auto;padding:var(--spacing-lg);min-height:100vh}header{display:flex;justify-content:space-between;align-items:center;padding-bottom:var(--spacing-lg);border-bottom:1px solid var(--border-main);margin-bottom:var(--spacing-lg)}h1,h2,h3{margin:0;font-weight:600;color:var(--text-primary)}.panel{background-color:var(--bg-panel);border:1px solid var(--border-main);border-radius:var(--radius-md);padding:var(--spacing-md)}button{cursor:pointer;font-family:inherit;font-size:.9rem;font-weight:500;padding:.5rem 1rem;border-radius:var(--radius-sm);transition:all .2s ease;border:1px solid transparent}.btn-primary{background:gray;color:#fff;box-shadow:0 1px 2px #0000004d}.btn-primary:hover{filter:brightness(1.1)}.btn-secondary{background-color:var(--bg-element);color:var(--text-primary);border:1px solid var(--border-main)}.btn-secondary:hover{background-color:var(--border-main)}.btn-danger{background-color:transparent;color:var(--danger);border:1px solid var(--danger)}.btn-danger:hover{background-color:#ef44441a}.dropzone{border:2px dashed var(--border-main);background-color:var(--bg-element);border-radius:var(--radius-md);padding:var(--spacing-xl);text-align:center;margin-bottom:var(--spacing-lg);transition:border-color .2s}.dropzone:hover,.dropzone.active{border-color:var(--accent-primary);background-color:#3b82f60d}input[type=text],select{background-color:var(--bg-body);border:1px solid var(--border-main);color:var(--text-primary);padding:.5rem;border-radius:var(--radius-sm);font-size:.9rem}input:focus,select:focus{outline:none;border-color:var(--accent-primary)}.home-page{min-height:80vh;display:flex;align-items:center;justify-content:center;padding:var(--spacing-xl)}.home-hero{max-width:800px;text-align:center}.logo-container{display:flex;align-items:center;justify-content:center;gap:var(--spacing-lg);margin-bottom:var(--spacing-xl)}.app-title{font-size:3rem;font-weight:700;color:var(--text-primary);margin:0}.hero-subtitle{font-size:1.25rem;color:var(--text-secondary);margin-bottom:var(--spacing-xl);max-width:600px;margin-left:auto;margin-right:auto}.hero-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-lg);margin-bottom:var(--spacing-xl)}.feature{background:var(--bg-panel);border:1px solid var(--border-main);border-radius:var(--radius-md);padding:var(--spacing-md);text-align:left;display:flex;gap:var(--spacing-md);align-items:flex-start}.feature-icon{font-size:1.5rem;flex-shrink:0;align-self:center}.feature-text h3{font-size:1rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-xs)}.feature-text p{font-size:.9rem;color:var(--text-secondary);line-height:1.4;margin:0}.create-btn{font-size:1rem;min-width:1.5rem}.create-btn:hover{background:gray}.upload-zone{background:var(--bg-element);border:2px dashed var(--border-main);border-radius:var(--radius-md);padding:var(--spacing-xl);text-align:center;transition:all .2s;cursor:pointer;margin-bottom:var(--spacing-lg)}.upload-zone:hover,.upload-zone.dragging{border-color:var(--accent-primary);background-color:var(--bg-panel)}.upload-zone.dragging{border-style:solid}.upload-content{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm)}.upload-icon{font-size:2rem;color:var(--accent-primary);margin-bottom:var(--spacing-sm)}.upload-title{font-size:1.25rem;font-weight:600;margin:0;color:var(--text-primary)}.upload-subtitle{color:var(--text-secondary);margin:0}.upload-info{font-size:.8rem;color:var(--text-muted);margin-top:var(--spacing-sm)}.upload-progress{width:100%;max-width:400px;margin:0 auto}.progress-bar{width:100%;height:8px;background:var(--bg-body);border-radius:var(--radius-sm);overflow:hidden;margin-top:var(--spacing-sm)}.progress-fill{height:100%;background-color:var(--accent-primary);transition:width .2s ease}.track-item{display:flex;align-items:center;gap:var(--spacing-md);background:var(--bg-panel);border:1px solid var(--border-main);border-radius:var(--radius-md);padding:var(--spacing-md);margin-bottom:var(--spacing-sm);transition:all .2s}.track-item:hover{background:var(--bg-element);border-color:var(--border-focus)}.track-item.dragging{opacity:.5;background:var(--bg-element)}.track-drag-handle{display:flex;align-items:center;justify-content:center;color:var(--text-muted);cursor:grab;padding:var(--spacing-xs)}.track-drag-handle:hover{color:var(--text-primary)}.track-drag-handle:active{cursor:grabbing}.track-info{flex:1;min-width:0}.track-name{font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px}.track-item.playing{border-color:var(--accent-primary);background:#3b82f61a}.modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:var(--bg-panel);border:1px solid var(--border-main);border-radius:var(--radius-md);max-width:500px;width:100%;box-shadow:0 4px 12px #00000080}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-lg);border-bottom:1px solid var(--border-main)}.modal-header h2{font-size:1.25rem;font-weight:600;margin:0;color:var(--text-primary)}.close-btn{background:transparent;border:none;cursor:pointer;color:var(--text-secondary);padding:4px}.close-btn:hover{color:var(--text-primary)}.modal-body{padding:var(--spacing-lg)}.share-description{color:var(--text-secondary);margin-bottom:var(--spacing-md);font-size:.9rem}.share-url-container{display:flex;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg)}.share-url-input{flex:1;background:var(--bg-element);border:1px solid var(--border-main);color:var(--text-primary);padding:var(--spacing-sm);border-radius:var(--radius-sm);font-family:monospace;font-size:.9rem}.share-url-input:focus{outline:none;border-color:var(--accent-primary)}.copy-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm)}.track-list{background-color:var(--bg-panel);border:1px solid var(--border-main);border-radius:var(--radius-md);overflow:hidden}.track-list-header{padding:var(--spacing-md);border-bottom:1px solid var(--border-main);background-color:var(--bg-element);display:flex;justify-content:space-between;align-items:center}.track-list-subtitle{font-size:.8rem;color:var(--text-secondary);margin:0}.track-item{display:flex;align-items:center;padding:.75rem var(--spacing-md);border-bottom:1px solid var(--border-main);background-color:var(--bg-panel);transition:background-color .1s}.track-item:last-child{border-bottom:none}.track-item:hover{background-color:var(--bg-element)}.track-item.playing{background-color:#3b82f61a;border-left:3px solid var(--accent-primary)}.track-handle{color:var(--text-muted);cursor:grab;padding-right:var(--spacing-md);display:flex;align-items:center}.track-handle:hover{color:var(--text-primary)}.track-info{flex:1;display:flex;flex-direction:column}.track-name{font-weight:500;color:var(--text-primary);margin-bottom:2px}.track-meta{font-size:.8rem;color:var(--text-secondary)}.track-actions{display:flex;gap:var(--spacing-sm);align-items:center}.btn-icon{background:none;border:none;color:var(--text-secondary);padding:4px;cursor:pointer;border-radius:4px}.btn-icon:hover{color:var(--text-primary);background-color:#ffffff0d}.btn-icon.delete:hover{color:var(--danger)}.playlist-view{max-width:900px;margin:0 auto;padding:var(--spacing-xl) 0}.playlist-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg);gap:var(--spacing-md);flex-wrap:wrap;padding-bottom:var(--spacing-lg);border-bottom:1px solid var(--border-main)}.playlist-title-section{display:flex;align-items:center;gap:var(--spacing-md);flex:1;min-width:200px}.playlist-actions{display:flex;gap:var(--spacing-sm);align-items:center}.playlist-title{font-size:1.75rem;font-weight:700;color:var(--text-primary);cursor:pointer;margin:0}.playlist-title:hover{color:var(--accent-primary)}.playlist-title-input{font-size:1.75rem;font-weight:700;background:var(--bg-element);border:1px solid var(--border-focus);border-radius:var(--radius-sm);padding:var(--spacing-xs) var(--spacing-sm);color:var(--text-primary);flex:1}.playlist-title-input:focus{outline:none;border-color:var(--accent-primary)}.btn-ghost{background:transparent;border:none;color:var(--text-secondary);cursor:pointer}.btn-ghost:hover{color:var(--text-primary)}.playlist-stats{display:flex;align-items:center;gap:var(--spacing-lg);background:var(--bg-panel);border:1px solid var(--border-main);border-radius:var(--radius-md);padding:var(--spacing-md);margin-bottom:var(--spacing-lg)}.stat{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-xs)}.stat-value{font-size:1.25rem;font-weight:700;color:var(--text-primary)}.stat-label{font-size:.75rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.stat-divider{width:1px;height:30px;background:var(--border-main)}.empty-state{text-align:center;padding:var(--spacing-xl);background:var(--bg-panel);border:1px solid var(--border-main);border-radius:var(--radius-md);margin-top:var(--spacing-lg)}.empty-icon{font-size:3rem;margin-bottom:var(--spacing-md);opacity:.5}.empty-state h3{color:var(--text-primary);margin-bottom:var(--spacing-xs)}.empty-state p{color:var(--text-secondary)}@media(max-width:768px){.playlist-header{flex-direction:column;align-items:stretch}}.playlist-page{min-height:100vh}.playlist-page-loading,.playlist-page-error{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:var(--spacing-xl);gap:var(--spacing-lg)}.playlist-page-loading p{color:var(--color-text-secondary);font-size:1.125rem}.error-icon{font-size:4rem}.playlist-page-error h2{color:var(--color-text-primary);margin-bottom:var(--spacing-sm)}.playlist-page-error p{color:var(--color-error);margin-bottom:var(--spacing-lg)}.playlist-switcher{display:flex;align-items:center;gap:.5rem}.playlist-switcher label{font-size:.9rem;color:var(--text-secondary);font-weight:500}.playlist-select{padding:.4rem .6rem;border-radius:var(--radius-sm);background-color:var(--bg-element);border:1px solid var(--border-main);color:var(--text-primary);font-size:.9rem;min-width:200px;cursor:pointer;transition:all .2s}.playlist-select:hover{border-color:var(--border-focus)}.playlist-select:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 2px #3b82f633}.playlist-select option{background-color:var(--bg-panel);color:var(--text-primary);padding:.5rem}.player-bar{position:fixed;bottom:0;left:0;right:0;background:var(--bg-panel);border-top:1px solid var(--border-main);padding:var(--spacing-md) var(--spacing-xl);z-index:1000;display:flex;flex-direction:column;gap:var(--spacing-sm);box-shadow:0 -4px 20px #0006;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.player-progress-container{width:100%;height:4px;background:#ffffff1a;cursor:pointer;border-radius:2px;position:relative;padding:2px 0}.player-progress-track{width:100%;height:4px;background:#ffffff1a;border-radius:2px;overflow:hidden}.player-progress-fill{height:100%;background:var(--accent-primary);border-radius:2px;position:relative}.player-progress-container:hover .player-progress-fill{background:var(--accent-hover)}.player-controls-row{display:flex;justify-content:space-between;align-items:center;gap:var(--spacing-lg)}.player-track-info{flex:1;display:flex;flex-direction:column;min-width:0}.player-track-title{font-weight:600;font-size:.95rem;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.player-track-artist{font-size:.8rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.player-controls{display:flex;align-items:center;gap:var(--spacing-md)}.player-btn{background:transparent;border:none;color:var(--text-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:8px;border-radius:50%;transition:background .2s}.player-btn:hover{background:#ffffff1a}.player-btn.play-btn{width:40px;height:40px;background:var(--text-primary);color:var(--bg-main)}.player-btn.play-btn:hover{transform:scale(1.05);background:#fff}.player-time{font-family:monospace;font-size:.8rem;color:var(--text-secondary);min-width:100px;text-align:right}@media(max-width:600px){.player-bar{padding:var(--spacing-sm) var(--spacing-md)}}