.music-player{background:var(--glass-bg-heavy);-webkit-backdrop-filter:blur(var(--glass-blur));z-index:1000;border-top:1px solid var(--glass-border);grid-area:player;grid-template-columns:minmax(200px,1fr) minmax(400px,2fr) minmax(200px,1fr);align-self:end;align-items:center;gap:24px;height:80px;min-height:80px;max-height:80px;padding:0 24px;display:grid;position:relative}.error-notification{color:#fff;z-index:1001;box-shadow:var(--shadow-xl);word-break:break-all;background:#c81e1ef2;border-radius:10px;align-items:flex-start;gap:10px;padding:10px 14px;font-size:11px;font-weight:500;line-height:1.4;animation:.3s ease-out slideDown;display:flex;position:absolute;top:-120px;left:4px;right:4px}.error-notification button{color:#fff;cursor:pointer;background:#fff3;border:none;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;padding:0;font-size:18px;transition:all .2s;display:flex}.error-notification button:hover{background:#ffffff4d;transform:scale(1.1)}.player-left{align-items:center;min-width:0;max-width:100%;display:flex;overflow:hidden}.player-info{flex:1;align-items:center;gap:12px;min-width:0;display:flex;overflow:hidden}.player-cover{border-radius:var(--radius-sm);object-fit:cover;width:52px;height:52px;box-shadow:var(--shadow-md);transition:all var(--transition-medium);cursor:pointer;flex-shrink:0}.player-cover:hover{box-shadow:var(--shadow-lg);border-radius:var(--radius-md);transform:scale(1.05)}.player-text{flex:1;min-width:0}.player-title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;cursor:pointer;margin-bottom:6px;font-size:15px;font-weight:700;transition:color .2s;overflow:hidden}.player-title:hover{color:var(--accent-primary)}.player-artist{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;cursor:pointer;font-size:13px;font-weight:500;transition:color .2s;overflow:hidden}.player-artist:hover{color:var(--text-primary);text-decoration:underline}.player-center{flex-direction:column;justify-content:center;align-items:center;gap:8px;width:100%;display:flex}.player-controls{justify-content:center;align-items:center;gap:8px;width:100%;display:flex}.control-btn{color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;padding:6px;font-size:16px;display:flex}.control-btn:hover{color:var(--text-primary);background:var(--bg-card-hover);transform:scale(1.12)}.control-btn:disabled{opacity:.3;cursor:not-allowed;color:var(--text-subdued)}.control-btn:disabled:hover{background:0 0;transform:none}.icon-btn{opacity:.7;position:relative}.icon-btn:hover{opacity:1}.icon-btn.active{color:var(--accent-primary);opacity:1;background:var(--brand-gradient-subtle)}.icon-btn.active svg{color:var(--accent-primary)}.icon-btn.active svg path{fill:var(--accent-primary)}.icon-btn.active:after{content:"";background:var(--accent-primary);border-radius:50%;width:4px;height:4px;position:absolute;bottom:-2px;left:50%;transform:translate(-50%)}.repeat-btn{position:relative}.repeat-btn.repeat-one{color:var(--brand-primary);opacity:1;background:var(--brand-gradient-subtle);font-weight:700}.repeat-btn.repeat-one:hover{filter:brightness(1.2)}.play-btn{background:var(--brand-gradient);color:#fff;width:40px;height:40px;transition:all var(--transition-fast);box-shadow:var(--shadow-accent);border-radius:50%;flex-shrink:0;font-size:18px}.play-btn:hover{box-shadow:var(--glow-accent);filter:brightness(1.1);transform:scale(1.12)}.play-btn:disabled{opacity:.4;cursor:not-allowed;background:var(--bg-elevated);box-shadow:none}.play-btn:disabled:hover{filter:none;transform:none}.play-icon{font-size:22px;display:inline-block}.spinner{justify-content:center;align-items:center;display:inline-flex}.player-progress-wrapper{align-items:center;gap:10px;width:100%;max-width:600px;display:flex}.time{color:var(--text-secondary);text-align:center;font-variant-numeric:tabular-nums;flex-shrink:0;min-width:40px;font-size:11px;font-weight:500}.progress-container{flex:1;position:relative}.progress-bar{border-radius:var(--radius-full);-webkit-appearance:none;appearance:none;cursor:pointer;width:100%;height:3px;transition:height var(--transition-fast), box-shadow var(--transition-fast);outline:none;position:relative}.progress-bar:hover{height:6px;box-shadow:none}.progress-bar:disabled{cursor:not-allowed;opacity:.3}.progress-bar:disabled:hover{height:6px;box-shadow:inset 0 1px 3px #0000004d}.progress-bar::-webkit-slider-runnable-track{background:0 0;border:none;border-radius:4px;height:6px}.progress-bar::-webkit-slider-thumb{-webkit-appearance:none;cursor:pointer;opacity:0;background:#fff;border:none;border-radius:50%;width:12px;height:12px;margin-top:-4.5px;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:0 1px 4px #0000004d}.progress-bar:hover::-webkit-slider-thumb{opacity:1;transform:scale(1.1);box-shadow:0 1px 6px #0006}.progress-bar::-moz-range-track{background:0 0;border:none;border-radius:4px;height:6px}.progress-bar::-moz-range-thumb{cursor:pointer;opacity:0;background:#fff;border:none;border-radius:50%;width:12px;height:12px;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:0 1px 4px #0000004d}.progress-bar:hover::-moz-range-thumb{opacity:1;transform:scale(1.1);box-shadow:0 1px 6px #0006}.player-right{justify-content:flex-end;align-items:center;gap:8px;min-width:0;max-width:100%;display:flex}.player-volume{align-items:center;gap:8px;width:100%;min-width:100px;max-width:140px;display:flex}.volume-icon{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;padding:6px;font-size:16px;transition:all .2s;display:flex}.volume-icon:hover{color:var(--text-primary);background:var(--bg-hover)}.volume-bar{-webkit-appearance:none;appearance:none;cursor:pointer;height:3px;box-shadow:none;border-radius:4px;outline:none;flex:1;transition:all .2s}.volume-bar:hover{height:5px;box-shadow:none}.volume-bar::-webkit-slider-runnable-track{background:0 0;border:none;border-radius:4px;height:6px}.volume-bar::-webkit-slider-thumb{-webkit-appearance:none;cursor:pointer;opacity:0;background:#fff;border:none;border-radius:50%;width:12px;height:12px;margin-top:-4.5px;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:0 1px 4px #0000004d}.volume-bar:hover::-webkit-slider-thumb{opacity:1;transform:scale(1.1);box-shadow:0 1px 6px #0006}.volume-bar::-moz-range-track{background:0 0;border:none;border-radius:4px;height:6px}.volume-bar::-moz-range-thumb{cursor:pointer;opacity:0;background:#fff;border:none;border-radius:50%;width:12px;height:12px;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:0 1px 4px #0000004d}.volume-bar:hover::-moz-range-thumb{opacity:1;transform:scale(1.1);box-shadow:0 1px 6px #0006}@keyframes slideDown{0%{opacity:0;transform:translateY(-16px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width:1200px){.music-player{grid-template-columns:minmax(180px,1fr) minmax(300px,1.5fr) minmax(180px,1fr);gap:20px;height:84px;min-height:84px;max-height:84px;padding:0 20px}}@media (max-width:1024px){.music-player{grid-template-columns:minmax(150px,1fr) 2fr minmax(150px,1fr);gap:16px;height:80px;min-height:80px;max-height:80px;padding:0 16px}.player-cover{width:48px;height:48px}.player-title{font-size:14px}.player-artist{font-size:12px}.control-btn{width:28px;height:28px;font-size:14px}.play-btn{width:36px;height:36px;font-size:16px}}@media (max-width:768px){.music-player{border-left:none;border-right:none;border-radius:0;grid-template-rows:auto;grid-template-columns:1fr auto;align-self:stretch;gap:12px;height:56px;min-height:56px;max-height:56px;padding:6px 12px}.player-left{cursor:pointer;order:1;justify-content:flex-start}.player-center{order:2;gap:0;width:auto}.player-progress-wrapper{display:none}.icon-btn{display:none!important}.player-right{display:none}.player-cover{border-radius:6px;width:40px;height:40px}.player-title{margin-bottom:4px;font-size:13px}.player-artist{font-size:11px}.player-controls{flex-wrap:nowrap;gap:8px}.control-btn{width:32px;height:32px;font-size:16px}.play-btn{width:38px;height:38px;font-size:18px}.error-notification{max-width:90%;padding:10px 16px;font-size:13px;top:-60px}}.auth-container{background:linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--brand-dark) 100%);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.auth-box{background:var(--glass-bg-heavy);-webkit-backdrop-filter:blur(var(--glass-blur));border-radius:var(--radius-lg);width:100%;max-width:450px;box-shadow:var(--shadow-xl);border:1px solid var(--glass-border);padding:48px 40px}.auth-logo{text-align:center;background:linear-gradient(135deg, var(--accent-primary) 0%, var(--brand-light) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:8px;font-size:48px;font-weight:700}.auth-subtitle{text-align:center;color:var(--text-secondary);margin-bottom:32px;font-size:16px}.auth-tabs{background:var(--bg-tertiary);border-radius:8px;gap:8px;margin-bottom:32px;padding:4px;display:flex}.auth-tab{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:6px;flex:1;padding:12px;font-size:14px;font-weight:600;transition:all .2s}.auth-tab.active{background:var(--accent-primary);color:#fff}.auth-tab:hover:not(.active){color:var(--text-primary);background:var(--bg-elevated)}.auth-form{flex-direction:column;gap:20px;display:flex}.auth-error{color:var(--accent-primary);text-align:center;background:#9d32321a;border:1px solid #9d32324d;border-radius:8px;padding:12px 16px;font-size:14px}.auth-input-group{flex-direction:column;gap:8px;display:flex}.auth-input-group label{color:var(--text-primary);font-size:14px;font-weight:600}.auth-input-group input{background:var(--bg-tertiary);border:1px solid var(--border-subtle);color:var(--text-primary);border-radius:8px;outline:none;padding:12px 16px;font-size:14px;transition:all .2s}.auth-input-group input:focus{border-color:var(--accent-primary);background:var(--bg-elevated)}.auth-input-group input::placeholder{color:var(--text-subdued)}.auth-submit{background:var(--accent-primary);color:#fff;cursor:pointer;border:none;border-radius:8px;margin-top:8px;padding:14px;font-size:16px;font-weight:700;transition:all .2s}.auth-submit:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 4px 12px #9d323266}.auth-submit:disabled{opacity:.6;cursor:not-allowed}.auth-notice{color:var(--text-subdued);text-align:center;margin-top:8px;font-size:12px;line-height:1.6}.pending-approval{background:linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--brand-dark) 100%);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.pending-box{background:var(--glass-bg-heavy);-webkit-backdrop-filter:blur(var(--glass-blur));border-radius:var(--radius-lg);width:100%;max-width:500px;box-shadow:var(--shadow-xl);border:1px solid var(--glass-border);text-align:center;padding:48px 40px}.pending-icon{margin-bottom:24px;font-size:72px}.pending-box h2{color:var(--text-primary);margin-bottom:16px;font-size:28px}.pending-box p{color:var(--text-secondary);margin-bottom:12px;line-height:1.8}.logout-btn{border:1px solid var(--text-subdued);color:var(--text-primary);cursor:pointer;background:0 0;border-radius:8px;margin-top:32px;padding:12px 32px;font-weight:600;transition:all .2s}.logout-btn:hover{background:var(--bg-tertiary);border-color:var(--text-primary)}.toast-container{z-index:10001;pointer-events:none;flex-direction:column;gap:12px;max-width:400px;display:flex;position:fixed;top:24px;right:24px}.toast-item{background:var(--glass-bg-heavy);-webkit-backdrop-filter:blur(var(--glass-blur));border-radius:var(--radius-md);min-width:300px;max-width:500px;box-shadow:var(--shadow-lg);border:1px solid var(--glass-border);pointer-events:auto;animation:slideInUp .3s var(--transition-spring);align-items:center;gap:12px;padding:12px 16px;display:flex}.toast-item.toast-success{border-left:4px solid #22c55e}.toast-item.toast-error{border-left:4px solid #ef4444}.toast-item.toast-warning{border-left:4px solid #f59e0b}.toast-item.toast-info{border-left:4px solid #3b82f6}.toast-icon{flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;font-size:14px;font-weight:700;display:flex}.toast-success .toast-icon{color:#22c55e}.toast-error .toast-icon{color:#ef4444}.toast-warning .toast-icon{color:#f59e0b}.toast-info .toast-icon{color:#3b82f6}.toast-message{color:var(--text-primary);flex:1;font-size:14px;line-height:1.4}.toast-close{width:20px;height:20px;color:var(--text-secondary);cursor:pointer;opacity:.6;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;padding:0;font-size:16px;transition:opacity .2s;display:flex}.toast-close:hover{opacity:1}@keyframes slideInUp{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}@media (max-width:768px){.toast-container{max-width:none;top:12px;left:12px;right:12px}.toast-item{width:100%;min-width:auto}.toast-message{font-size:13px}}.mobile-bottom-nav{background:var(--glass-bg-heavy);height:58px;-webkit-backdrop-filter:blur(var(--glass-blur));border-top:1px solid var(--glass-border);z-index:100;padding:0;padding-bottom:env(safe-area-inset-bottom,0px);justify-content:space-around;align-items:center;display:flex;position:fixed;bottom:0;left:0;right:0}.mobile-nav-item{color:var(--text-subdued);cursor:pointer;transition:all var(--transition-fast);-webkit-tap-highlight-color:transparent;background:0 0;border:none;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;padding:8px 0;display:flex;position:relative}.mobile-nav-item:active{transform:scale(.9)}.mobile-nav-item.active{color:var(--accent-primary)}.mobile-nav-item.active:after{content:"";background:var(--brand-gradient);border-radius:var(--radius-full);width:20px;height:2.5px;position:absolute;top:0;left:50%;transform:translate(-50%)}.mobile-nav-icon{width:24px;height:24px;transition:transform var(--transition-spring);justify-content:center;align-items:center;display:flex}.mobile-nav-item.active .mobile-nav-icon{transform:scale(1.1)}.mobile-nav-label{white-space:nowrap;letter-spacing:-.2px;font-size:10px;font-weight:500}.mobile-nav-item.active .mobile-nav-label{font-weight:700}@media (min-width:768px){.mobile-bottom-nav{display:none}}.auth-loading{background:var(--bg-primary);text-align:center;justify-content:center;align-items:center;gap:var(--space-6);flex-direction:column;min-height:100vh;display:flex}.auth-loading h1{background:var(--brand-gradient);-webkit-text-fill-color:transparent;letter-spacing:-1.5px;-webkit-background-clip:text;background-clip:text;font-size:48px;font-weight:800}.auth-loading .spinner{font-size:48px}.auth-loading p{color:var(--text-secondary);font-size:15px}.app{background:var(--bg-primary);box-sizing:border-box;grid-template:"sidebar main"1fr"player player"/200px 1fr;gap:0;height:100vh;padding:0;display:grid;overflow:hidden}.app-sidebar{background:var(--bg-primary);border-right:1px solid var(--border-subtle);padding:var(--space-6) var(--space-3);gap:var(--space-5);flex-direction:column;grid-area:sidebar;display:flex;overflow-y:auto}.app-logo{padding:0 var(--space-2);margin-bottom:var(--space-2)}.app-logo h1{background:var(--brand-gradient);-webkit-text-fill-color:transparent;letter-spacing:-1px;-webkit-background-clip:text;background-clip:text;font-size:22px;font-weight:800}.sidebar-nav{flex-direction:column;gap:4px;display:flex}.nav-section-title{color:var(--text-subdued);text-transform:uppercase;letter-spacing:.1em;margin-top:8px;padding:12px 12px 8px;font-size:11px;font-weight:700}.nav-item{align-items:center;gap:var(--space-3);padding:10px var(--space-3);color:var(--text-secondary);border-radius:var(--radius-sm);transition:all var(--transition-fast);cursor:pointer;font-size:13.5px;font-weight:500;text-decoration:none;display:flex;position:relative}.nav-item:before{display:none}.nav-item:hover{color:var(--text-primary);background:var(--bg-card-hover)}.nav-item.active{color:var(--accent-primary);background:var(--brand-gradient-subtle);font-weight:600}.nav-item .nav-icon{justify-content:center;align-items:center;width:24px;font-size:22px;display:flex}.nav-item.logout-item{color:var(--accent-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);margin-top:auto}.nav-item.logout-item:hover{background:var(--brand-gradient-subtle);border-color:var(--accent-primary);color:var(--accent-hover)}.nav-divider{background:var(--border-subtle);height:1px;margin:8px 0}.sidebar-section{margin-top:0}.sidebar-section-title{color:var(--text-subdued);text-transform:uppercase;letter-spacing:.1em;padding:8px 12px;font-size:11px;font-weight:700}.sidebar-list{flex-direction:column;gap:2px;max-height:200px;display:flex;overflow-y:auto}.sidebar-list-item{color:var(--text-secondary);cursor:pointer;white-space:nowrap;text-overflow:ellipsis;border-radius:6px;align-items:center;gap:8px;padding:10px 12px;font-size:13px;transition:all .2s;display:flex;overflow:hidden}.sidebar-list-item:hover{background:var(--bg-hover);color:var(--text-primary)}.app-main-wrapper{background:var(--bg-secondary);border-radius:0;flex-direction:column;grid-area:main;display:flex;overflow:hidden}.app-header{background:var(--bg-secondary);-webkit-backdrop-filter:none;backdrop-filter:none;z-index:10;border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;gap:16px;padding:16px 40px;display:flex;position:sticky;top:0}.header-left{align-items:center;gap:16px;display:flex}.nav-arrows{gap:8px;display:flex}.nav-arrow-btn{background:var(--bg-tertiary);width:36px;height:36px;color:var(--text-primary);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:18px;transition:all .2s;display:flex}.nav-arrow-btn:hover:not(:disabled){background:var(--bg-elevated);transform:scale(1.05)}.nav-arrow-btn:disabled{opacity:.3;cursor:not-allowed}.mobile-header-logo{flex:1;align-items:center;display:flex}.mobile-header-logo h1{color:var(--text-primary);letter-spacing:-.5px;background:linear-gradient(135deg, var(--accent-primary) 0%, var(--brand-light) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0;font-size:22px;font-weight:800}.header-actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.theme-toggle-btn{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-full);cursor:pointer;width:42px;height:42px;transition:all var(--transition-fast);justify-content:center;align-items:center;font-size:20px;display:flex}.theme-toggle-btn:hover{background:var(--bg-card-hover);border-color:var(--border-medium);box-shadow:var(--shadow-sm);transform:scale(1.08)}.search-bar{align-items:center;gap:var(--space-3);background:var(--bg-tertiary);border-radius:var(--radius-full);transition:all var(--transition-medium);border:1.5px solid #0000;min-width:320px;padding:10px 20px;display:flex;position:relative}.search-bar:focus-within{background:var(--bg-elevated);border-color:var(--accent-primary);box-shadow:var(--glow-accent-subtle), var(--shadow-md)}.search-bar input{color:var(--text-primary);background:0 0;border:none;outline:none;width:100%;font-size:13px;font-weight:500}.search-bar input::placeholder{color:var(--text-subdued)}.search-bar .search-suggestions{background:var(--bg-elevated);z-index:1000;border-radius:12px;max-height:400px;animation:.2s ease-out slideDown;position:absolute;top:calc(100% + 8px);left:0;right:0;overflow:hidden auto;box-shadow:0 4px 12px #0000004d}.search-bar .suggestion-item{cursor:pointer;border-bottom:1px solid var(--border-subtle);align-items:center;gap:12px;padding:12px 20px;transition:background .2s;display:flex}.search-bar .suggestion-item:last-child{border-bottom:none}.search-bar .suggestion-item:hover{background:var(--bg-tertiary)}.search-bar .suggestion-icon{color:var(--text-subdued);flex-shrink:0;font-size:16px}.search-bar .suggestion-text{color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:14px;font-weight:500;overflow:hidden}.search-bar button{cursor:pointer;color:var(--text-secondary);background:0 0;border:none;justify-content:center;align-items:center;font-size:18px;transition:all .2s;display:flex}.search-bar 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