*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary:#0f0f1a;--bg-secondary:#1a1a2e;--bg-card:#16213e;--bg-hover:#1f2b47;--text-primary:#e8e8f0;--text-secondary:#a0a0b8;--text-muted:#6c6c84;--accent:#7c3aed;--accent-light:#a78bfa;--accent-glow:#7c3aed4d;--accent-gradient:linear-gradient(135deg, #7c3aed, #ec4899);--border:#2a2a44;--border-light:#3a3a5c;--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--player-bg:#12122a;--shadow:0 4px 24px #0000004d;--shadow-lg:0 8px 40px #00000080;--radius:12px;--radius-sm:8px;--radius-lg:16px;--sidebar-width:240px;--player-height:90px;--transition:.2s ease;color:var(--text-primary);background:var(--bg-primary);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5}body{margin:0}#root{text-align:left;border:none;width:100%;min-height:100vh;margin:0}a{color:var(--accent-light);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit}input,select{font-family:inherit}.app{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border);top:0;left:0;bottom:var(--player-height);z-index:100;flex-direction:column;display:flex;position:fixed}.sidebar-header{border-bottom:1px solid var(--border);padding:24px 20px}.logo{align-items:center;gap:12px;display:flex}.logo-icon{font-size:28px}.logo-text{background:var(--accent-gradient);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:22px;font-weight:700}.sidebar-nav{flex-direction:column;flex:1;gap:4px;padding:12px 8px;display:flex}.nav-item{color:var(--text-secondary);border-radius:var(--radius-sm);transition:all var(--transition);text-align:left;background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:12px 16px;font-size:14px;display:flex}.nav-item:hover{background:var(--bg-hover);color:var(--text-primary)}.nav-item.active{background:var(--accent);color:#fff;font-weight:600}.sidebar-footer{border-top:1px solid var(--border);padding:16px 20px}.sidebar-tagline{color:var(--text-muted);text-align:center;font-size:12px}.main-content{margin-left:var(--sidebar-width);flex-direction:column;flex:1;min-height:100vh;display:flex}.content-area{padding:32px 40px;padding-bottom:calc(var(--player-height) + 40px);flex:1;width:100%;max-width:1100px;margin:0 auto;overflow-y:auto}.tab-panel{animation:.3s fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.page-title{color:var(--text-primary);margin:0 0 8px;font-size:28px;font-weight:700}.page-desc{color:var(--text-secondary);margin:0 0 28px;font-size:15px}.section-title{color:var(--text-primary);align-items:center;gap:10px;margin:0 0 8px;font-size:22px;font-weight:700;display:flex}.section-desc{color:var(--text-secondary);margin:0 0 24px;font-size:14px}.count-badge{background:var(--accent);color:#fff;border-radius:20px;padding:2px 10px;font-size:12px;font-weight:600}.selector-section{margin-bottom:24px}.selector-title{color:var(--text-primary);align-items:center;gap:8px;margin:0 0 14px;font-size:16px;font-weight:600;display:flex}.selector-title.clickable{cursor:pointer;-webkit-user-select:none;user-select:none}.selector-icon{align-items:center;display:flex}.optional-tag{color:var(--text-muted);font-size:12px;font-weight:400}.chevron{color:var(--text-muted);margin-left:auto;font-size:12px;transition:transform .2s}.chevron.open{transform:rotate(90deg)}.mood-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px;display:grid}.mood-card{background:var(--bg-card);border-radius:var(--radius);color:var(--text-primary);transition:all var(--transition);border:2px solid #0000;flex-direction:column;align-items:center;gap:10px;padding:18px 12px;display:flex}.mood-card:hover{background:var(--bg-hover);transform:translateY(-2px)}.mood-card.selected{background:var(--bg-hover)}.mood-emoji{width:64px;height:64px;transition:background var(--transition);border-radius:50%;justify-content:center;align-items:center;font-size:36px;display:flex}.mood-label{font-size:14px;font-weight:500}.activity-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;display:grid}.activity-card{background:var(--bg-card);border-radius:var(--radius-sm);color:var(--text-primary);transition:all var(--transition);border:2px solid #0000;align-items:center;gap:10px;padding:14px 16px;display:flex}.activity-card:hover{background:var(--bg-hover);transform:translateY(-1px)}.activity-card.selected{border-color:var(--accent);background:#7c3aed1a}.activity-emoji{font-size:24px}.activity-label{font-size:14px;font-weight:500}.genre-grid{flex-wrap:wrap;gap:8px;display:flex}.genre-chip{background:var(--bg-card);border:1px solid var(--border);color:var(--text-secondary);transition:all var(--transition);border-radius:24px;align-items:center;gap:6px;padding:8px 16px;font-size:14px;display:flex}.genre-chip:hover{border-color:var(--border-light);color:var(--text-primary)}.genre-chip.selected{border-color:var(--accent);color:var(--accent-light);background:#7c3aed26}.tempo-energy-row{flex-wrap:wrap;gap:32px;display:flex}.tempo-group,.energy-group{flex:1;min-width:200px}.sub-label{color:var(--text-secondary);margin-bottom:8px;font-size:13px;font-weight:500;display:block}.option-buttons{gap:8px;display:flex}.option-btn{background:var(--bg-card);border:1px solid var(--border);color:var(--text-secondary);transition:all var(--transition);border-radius:24px;padding:8px 18px;font-size:13px}.option-btn:hover{border-color:var(--border-light);color:var(--text-primary)}.option-btn.selected{border-color:var(--accent);color:var(--accent-light);background:#7c3aed26}.custom-rules-panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:16px;margin-top:12px;padding:20px;animation:.2s fadeIn;display:flex}.rule-group{flex-direction:column;gap:6px;display:flex}.rule-group label{color:var(--text-secondary);font-size:13px}.rule-group input[type=range]{width:100%;accent-color:var(--accent);height:4px}.range-row{gap:12px;display:flex}.range-row input[type=range]{flex:1}.rule-actions{justify-content:flex-end;gap:8px;display:flex}.btn-primary{background:var(--accent-gradient);border-radius:var(--radius-sm);color:#fff;transition:all var(--transition);border:none;align-items:center;gap:8px;padding:10px 24px;font-size:14px;font-weight:600;display:flex}.btn-primary:hover{opacity:.9;box-shadow:var(--accent-glow);transform:translateY(-1px)}.btn-secondary{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);transition:all var(--transition);align-items:center;gap:8px;padding:10px 24px;font-size:14px;display:flex}.btn-secondary:hover{border-color:var(--border-light);color:var(--text-primary)}.btn-sm{padding:6px 16px;font-size:13px}.btn-icon{border:1px solid var(--border);width:36px;height:36px;color:var(--text-secondary);transition:all var(--transition);background:0 0;border-radius:50%;justify-content:center;align-items:center;display:flex}.btn-icon:hover{border-color:var(--accent);color:var(--accent-light);background:#7c3aed1a}.btn-icon.danger:hover{border-color:var(--danger);color:var(--danger);background:#ef44441a}.btn-text{color:var(--accent-light);background:0 0;border:none;padding:4px 8px;font-size:13px}.btn-text:hover{text-decoration:underline}.generate-bar{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:24px;display:flex}.btn-generate{background:var(--accent-gradient);border-radius:var(--radius-sm);color:#fff;transition:all var(--transition);box-shadow:0 4px 16px var(--accent-glow);border:none;align-items:center;gap:10px;padding:12px 32px;font-size:15px;font-weight:700;display:flex}.btn-generate:hover:not(.disabled){box-shadow:0 6px 24px var(--accent-glow);transform:translateY(-2px)}.btn-generate.disabled{opacity:.4;cursor:not-allowed}.playlist-actions{gap:8px;margin-left:auto;display:flex}.save-input-row{gap:8px;margin-bottom:20px;animation:.2s fadeIn;display:flex}.save-input-row input{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);transition:border-color var(--transition);outline:none;flex:1;padding:10px 16px;font-size:14px}.save-input-row input:focus{border-color:var(--accent)}.playlist-result{animation:.3s fadeIn}.playlist-name{margin:0 0 4px;font-size:20px;font-weight:700}.playlist-count{color:var(--text-muted);font-size:13px}.song-list{flex-direction:column;gap:4px;margin-top:16px;display:flex}.song-item{background:var(--bg-card);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);border:1px solid #0000;align-items:center;gap:14px;padding:10px 14px;display:flex}.song-item:hover{background:var(--bg-hover);border-color:var(--border)}.song-item.playing{border-color:var(--accent);background:#7c3aed1a}.song-index{text-align:center;width:28px;color:var(--text-muted);font-size:13px;font-weight:500}.song-cover{object-fit:cover;border-radius:6px;width:44px;height:44px}.song-info{flex:1;min-width:0}.song-title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.song-artist{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.song-meta{color:var(--text-muted);gap:12px;font-size:12px;display:flex}.song-genre{color:var(--accent-light);background:#7c3aed1a;border-radius:12px;padding:2px 8px}.song-play-btn{justify-content:center;align-items:center;width:36px;height:36px;display:flex}.play-icon{color:var(--text-muted);transition:color var(--transition);font-size:14px}.song-item:hover .play-icon{color:var(--accent-light)}.playing-indicator{align-items:flex-end;gap:3px;height:16px;display:flex}.playing-indicator span{background:var(--accent-light);border-radius:2px;width:3px;animation:.8s ease-in-out infinite equalize}.playing-indicator span:first-child{height:8px;animation-delay:0s}.playing-indicator span:nth-child(2){height:14px;animation-delay:.2s}.playing-indicator span:nth-child(3){height:10px;animation-delay:.4s}@keyframes equalize{0%,to{transform:scaleY(.4)}50%{transform:scaleY(1)}}.empty-state{text-align:center;color:var(--text-muted);padding:48px 20px}.empty-state.hint{padding:32px}.empty-icon{margin-bottom:16px;font-size:48px}.empty-state p{font-size:14px;line-height:1.8}.music-player{bottom:0;left:var(--sidebar-width);height:var(--player-height);background:var(--player-bg);border-top:1px solid var(--border);z-index:200;flex-direction:column;display:flex;position:fixed;right:0}.empty-player{justify-content:center;align-items:center}.player-placeholder{color:var(--text-muted);align-items:center;gap:10px;font-size:13px;display:flex}.player-placeholder-icon{font-size:20px}.player-progress{padding:8px 20px 0}.progress-bar{background:var(--border);cursor:pointer;border-radius:2px;width:100%;height:3px;position:relative}.progress-fill{background:var(--accent-gradient);border-radius:2px;height:100%;transition:width .3s}.progress-time{color:var(--text-muted);justify-content:space-between;margin-top:4px;font-size:11px;display:flex}.player-content{flex:1;align-items:center;gap:24px;padding:0 24px;display:flex}.player-song{flex:1;align-items:center;gap:14px;min-width:0;display:flex}.player-cover{object-fit:cover;border-radius:8px;width:52px;height:52px}.player-info{flex:1;min-width:0}.player-title{white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.player-artist{color:var(--text-secondary);font-size:12px}.player-album{color:var(--text-muted);font-size:11px}.like-btn:hover{color:#ef4444!important;border-color:#ef4444!important}.player-controls{align-items:center;gap:12px;display:flex}.btn-play-main{background:var(--accent-gradient);color:#fff;width:42px;height:42px;transition:all var(--transition);border:none;border-radius:50%;justify-content:center;align-items:center;display:flex}.btn-play-main:hover{box-shadow:0 0 20px var(--accent-glow);transform:scale(1.08)}.player-volume{align-items:center;gap:8px;min-width:140px;display:flex}.volume-slider{width:90px;height:4px;accent-color:var(--accent)}.volume-label{color:var(--text-muted);text-align:right;min-width:32px;font-size:11px}.playlist-library{animation:.3s fadeIn}.library-grid{flex-direction:column;gap:10px;margin-top:20px;display:flex}.library-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all var(--transition);align-items:center;gap:16px;padding:16px;display:flex}.library-card:hover{background:var(--bg-hover);border-color:var(--border-light);transform:translateY(-1px)}.library-cover{object-fit:cover;border-radius:10px;width:64px;height:64px}.library-info{flex:1;min-width:0}.library-name{color:var(--text-primary);margin:0 0 4px;font-size:16px;font-weight:600}.library-count{color:var(--text-muted);font-size:12px}.library-tags{gap:6px;margin-top:6px;display:flex}.tag{color:var(--accent-light);background:#7c3aed1a;border-radius:12px;padding:2px 10px;font-size:11px}.library-date{color:var(--text-muted);margin-top:4px;font-size:11px;display:block}.library-actions{gap:6px;display:flex}.theme-playlist-creator{animation:.3s fadeIn}.themes-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;display:grid}.theme-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition);position:relative;overflow:hidden}.theme-card:hover{box-shadow:var(--shadow-lg);border-color:var(--border-light);transform:translateY(-4px)}.theme-cover{object-fit:cover;width:100%;height:160px;display:block}.theme-overlay{opacity:0;height:160px;transition:opacity var(--transition);background:#0006;justify-content:center;align-items:center;display:flex;position:absolute;top:0;left:0;right:0}.theme-card:hover .theme-overlay{opacity:1}.theme-play-btn{background:var(--accent-gradient);color:#fff;width:54px;height:54px;transition:transform var(--transition);border:none;border-radius:50%;justify-content:center;align-items:center;display:flex;box-shadow:0 4px 20px #0000004d}.theme-play-btn:hover{transform:scale(1.1)}.theme-info{padding:16px}.theme-name{color:var(--text-primary);margin:0 0 4px;font-size:16px;font-weight:700}.theme-desc{color:var(--text-secondary);margin:0 0 8px;font-size:13px}.theme-count{color:var(--text-muted);font-size:12px}.music-discovery{animation:.3s fadeIn}.discovery-filters{flex-wrap:wrap;gap:16px;margin-bottom:32px;display:flex}.filter-group{flex-direction:column;flex:1;gap:6px;min-width:180px;display:flex}.filter-group label{color:var(--text-secondary);font-size:13px;font-weight:500}.filter-group select{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);transition:border-color var(--transition);appearance:auto;outline:none;padding:10px 14px;font-size:14px}.filter-group select:focus{border-color:var(--accent)}.discovery-section{margin-bottom:36px}.discovery-subtitle{color:var(--text-primary);align-items:center;gap:8px;margin:0 0 16px;font-size:17px;font-weight:600;display:flex}.artist-chips{flex-wrap:wrap;gap:10px;margin-bottom:8px;display:flex}.artist-chip{background:var(--bg-card);border:1px solid var(--border);color:var(--text-primary);border-radius:24px;align-items:center;gap:8px;padding:8px 16px;font-size:14px;display:flex}.artist-chip svg{color:var(--text-muted)}.discover-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;display:grid}.discover-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all var(--transition);position:relative;overflow:hidden}.discover-card:hover{box-shadow:var(--shadow);border-color:var(--border-light);transform:translateY(-3px)}.discover-cover{object-fit:cover;width:100%;height:140px;display:block}.discover-play-overlay{opacity:0;height:140px;transition:opacity var(--transition);color:#fff;background:#00000073;justify-content:center;align-items:center;display:flex;position:absolute;top:0;left:0;right:0}.discover-card:hover .discover-play-overlay{opacity:1}.discover-info{padding:12px}.discover-title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.discover-artist{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.discover-meta{color:var(--text-muted);gap:10px;margin-top:4px;font-size:11px;display:flex}.modal-overlay{z-index:1000;background:#000000b3;justify-content:center;align-items:center;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.share-modal{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);width:440px;max-width:90vw;max-height:80vh;box-shadow:var(--shadow-lg);padding:28px;overflow-y:auto}.modal-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.modal-header h3{color:var(--text-primary);align-items:center;gap:8px;font-size:18px;font-weight:700;display:flex}.share-playlist-info{text-align:center;background:var(--bg-card);border-radius:var(--radius-sm);margin-bottom:16px;padding:16px}.share-playlist-info h4{color:var(--text-primary);margin:0 0 4px;font-size:16px}.share-playlist-info span{color:var(--text-muted);font-size:13px}.share-preview{background:var(--bg-card);border-radius:var(--radius-sm);margin-bottom:20px;padding:16px}.share-preview pre{color:var(--text-secondary);white-space:pre-wrap;word-break:break-word;font-family:inherit;font-size:13px;line-height:1.6}.share-platforms{grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px;display:grid}.share-platform-btn{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);transition:all var(--transition);align-items:center;gap:8px;padding:12px 14px;font-size:13px;display:flex}.share-platform-btn:hover{border-color:var(--platform-color,var(--accent));background:#7c3aed1a}.platform-icon{font-size:18px}.platform-name{font-weight:500}.copied-check{color:var(--success);margin-left:auto}.share-tags{justify-content:center;gap:8px;display:flex}.share-tag{color:var(--accent-light);background:#7c3aed1a;border-radius:16px;padding:4px 12px;font-size:12px}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--border-light)}@media (width<=860px){.sidebar{width:64px;overflow:hidden}.sidebar .logo-text,.sidebar .nav-item span,.sidebar .sidebar-tagline{display:none}.sidebar-header{padding:16px}.nav-item{justify-content:center;padding:12px}.logo{justify-content:center}:root{--sidebar-width:64px}.content-area{padding:20px}.mood-grid{grid-template-columns:repeat(3,1fr)}.activity-grid{grid-template-columns:repeat(2,1fr)}.themes-grid{grid-template-columns:1fr}.discover-grid,.share-platforms{grid-template-columns:repeat(2,1fr)}.player-info .player-album{display:none}.player-volume{min-width:100px}.volume-slider{width:60px}}@media (width<=560px){.mood-grid{grid-template-columns:repeat(2,1fr)}.activity-grid{grid-template-columns:1fr}.tempo-energy-row{flex-direction:column;gap:16px}.discover-grid{grid-template-columns:1fr}.generate-bar{flex-direction:column;align-items:stretch}.playlist-actions{justify-content:flex-end;margin-left:0}.player-content{flex-wrap:wrap;gap:12px}.player-song{flex:none;width:calc(100% - 80px)}.player-controls{order:-1;margin-left:auto}.player-volume{display:none}}