.sidebar{width:var(--sidebar-width);height:100vh;height:100dvh;background:var(--color-surface);border-right:1px solid var(--color-border);display:flex;flex-direction:column;position:fixed;left:0;top:0;z-index:100}.sidebar-brand{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-5) var(--space-5)}.brand-icon{width:36px;height:36px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);color:var(--color-text-inverse);display:flex;align-items:center;justify-content:center;font-size:18px}.sidebar-brand h1{font-size:18px;color:var(--color-text);margin:0;font-weight:600}.sidebar-nav{flex:1;padding:0 var(--space-3)}.nav-item{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);color:var(--color-text-secondary);text-decoration:none;margin-bottom:var(--space-1);transition:all var(--transition-base);font-size:14px;font-weight:500}.nav-item:hover{background:var(--color-hover);color:var(--color-text)}.nav-item.active{background:var(--color-primary-light);color:var(--color-primary);font-weight:600}.nav-icon{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;color:currentColor}.sidebar-footer{padding:var(--space-4);border-top:1px solid var(--color-divider)}.sidebar-user{display:flex;align-items:center;gap:var(--space-3);margin-bottom:var(--space-3)}.user-avatar{width:40px;height:40px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);color:var(--color-text-inverse);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}.user-info{min-width:0;flex:1}.user-name{font-size:14px;font-weight:500;color:var(--color-text);margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-logout{font-size:12px;color:var(--color-text-tertiary);background:none;border:none;padding:0;cursor:pointer;transition:color var(--transition-base)}.user-logout:hover{color:var(--color-error)}.sidebar-auth{display:flex;flex-direction:column;gap:var(--space-2);margin-bottom:var(--space-3)}.sidebar-auth .btn{text-decoration:none}.sidebar-hint{font-size:12px;color:var(--color-text-tertiary);line-height:1.5;margin:0}@media(max-width:768px){.sidebar{transform:translate(-100%);pointer-events:none}}.lyrics-panel{height:100%;overflow-y:auto;overflow-x:hidden;text-align:center;scrollbar-width:thin;scrollbar-color:rgba(126,182,217,.18) transparent;scroll-behavior:smooth}.lyrics-panel::-webkit-scrollbar{width:4px}.lyrics-panel::-webkit-scrollbar-thumb{background:#7eb6d933;border-radius:2px}.lyrics-panel::-webkit-scrollbar-track{background:transparent}.lyrics-list{padding:50% 0}.lyrics-line{padding:var(--space-3) var(--space-5);font-size:16px;line-height:1.85;color:var(--color-text-tertiary);transition:all .32s cubic-bezier(.4,0,.2,1);cursor:default;font-family:var(--font-display);letter-spacing:.01em}.lyrics-line.past{color:var(--color-text-tertiary);opacity:.65}.lyrics-line.active{font-size:24px;font-weight:700;color:var(--color-primary);transform:scale(1.04);text-shadow:0 2px 12px rgba(126,182,217,.25);letter-spacing:-.01em}.lyrics-line.future{color:var(--color-text-tertiary);opacity:.7}.lyrics-panel.empty{display:flex;align-items:center;justify-content:center;color:var(--color-text-tertiary);font-size:14px;letter-spacing:.05em}.lyrics-panel.empty p{margin:0}@media(max-width:768px){.lyrics-line{font-size:14px;padding:var(--space-2) var(--space-4);line-height:1.7}.lyrics-line.active{font-size:19px}.lyrics-list{padding:30% 0}}.queue-list-panel{display:flex;flex-direction:column;height:100%;background:var(--color-surface);border-radius:var(--radius-xl);overflow:hidden}.queue-list-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4) var(--space-5);border-bottom:1px solid var(--color-divider);flex-shrink:0}.queue-list-header h3{font-size:15px;font-weight:600;color:var(--color-text);margin:0}.queue-list-actions{display:flex;align-items:center;gap:var(--space-3)}.queue-list-count{font-size:12px;color:var(--color-text-secondary)}.queue-list-clear{font-size:12px;color:var(--color-error);background:none;border:1px solid rgba(255,59,48,.4);padding:var(--space-1) var(--space-3);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-base)}.queue-list-clear:hover:not(:disabled){background:var(--color-error-light)}.queue-list-clear:disabled{opacity:.4;cursor:not-allowed}.queue-list-close{background:none;border:none;font-size:17px;color:var(--color-text-tertiary);width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-base)}.queue-list-close:hover{background:var(--color-hover);color:var(--color-text)}.queue-list-body{flex:1;overflow-y:auto;padding:var(--space-2) 0}.queue-list-empty{text-align:center;color:var(--color-text-tertiary);font-size:13px;padding:var(--space-8) var(--space-4)}.queue-list-item{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);cursor:pointer;transition:all var(--transition-base);border-radius:var(--radius-md);margin:0 var(--space-2);min-width:0}.queue-list-item:hover,.queue-list-item.active{background:var(--color-primary-light)}.queue-list-index{font-size:12px;color:var(--color-text-tertiary);width:22px;text-align:center;flex-shrink:0;font-variant-numeric:tabular-nums}.queue-list-item.active .queue-list-index{color:var(--color-primary)}.queue-list-song-info{flex:1;min-width:0}.queue-list-title{font-size:13px;color:var(--color-text);margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500}.queue-list-artist{font-size:11px;color:var(--color-text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.queue-list-item-actions{display:flex;align-items:center;gap:2px;opacity:0;transition:opacity var(--transition-base)}.queue-list-item:hover .queue-list-item-actions{opacity:1}.queue-list-move-btn,.queue-list-remove-btn{background:none;border:none;width:26px;height:26px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:13px;color:var(--color-text-tertiary);transition:all var(--transition-base);flex-shrink:0}.queue-list-move-btn:hover:not(:disabled),.queue-list-remove-btn:hover{background:var(--color-hover);color:var(--color-primary)}.queue-list-move-btn:disabled{opacity:.3;cursor:not-allowed}.queue-list-remove-btn:hover{color:var(--color-error);background:var(--color-error-light)}@media(max-width:768px){.queue-list-item-actions{opacity:1}.queue-list-header{padding:var(--space-3) var(--space-4)}.queue-list-item{padding:var(--space-3);margin:0 var(--space-1)}}.play-queue-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;z-index:250;display:flex;justify-content:flex-end;animation:fadeIn .2s ease}.play-queue{width:380px;max-width:100%;height:100%;background:var(--color-surface);box-shadow:-4px 0 20px #00000080;display:flex;flex-direction:column;animation:slideInRight .25s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}.play-queue .queue-list-panel{border-radius:0;box-shadow:none}@media(max-width:768px){.play-queue-overlay{align-items:flex-end;justify-content:center}.play-queue{width:100%;height:70vh;border-radius:var(--radius-xl) var(--radius-xl) 0 0;animation:slideUp .25s ease;padding-bottom:env(safe-area-inset-bottom,0)}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}}.full-player-overlay{position:fixed;top:0;left:0;right:0;bottom:0;width:100vw;height:100vh;height:100dvh;background:radial-gradient(circle at 30% 20%,rgba(126,182,217,.18) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(255,217,61,.12) 0%,transparent 50%),#000000d9;backdrop-filter:blur(24px) saturate(140%);-webkit-backdrop-filter:blur(24px) saturate(140%);z-index:200;display:flex;align-items:center;justify-content:center;padding:var(--space-6);animation:overlayFade .3s ease}@keyframes overlayFade{0%{opacity:0}to{opacity:1}}.full-player{background:var(--color-surface);border-radius:var(--radius-2xl);width:100%;max-width:1180px;height:min(720px,calc(100vh - 48px));max-height:min(720px,calc(100vh - 48px));display:grid;grid-template-rows:1fr auto;overflow:hidden;position:relative;animation:playerEnter .4s cubic-bezier(.16,1,.3,1);box-shadow:var(--shadow-xl)}@keyframes playerEnter{0%{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.full-player-close{position:absolute;top:var(--space-5);right:var(--space-5);background:var(--color-surface-muted);border:1px solid var(--color-border);width:40px;height:40px;border-radius:var(--radius-full);font-size:16px;color:var(--color-text-secondary);cursor:pointer;z-index:10;transition:all var(--transition-base);display:flex;align-items:center;justify-content:center}.full-player-close:hover{background:var(--color-primary-light);color:var(--color-primary);border-color:var(--color-primary-light);transform:rotate(90deg)}.full-player-main{display:grid;grid-template-columns:280px 1fr 280px;gap:var(--space-6);padding:var(--space-7) var(--space-7) 0;min-height:0;min-width:0;overflow:hidden}.full-player-left,.full-player-center,.full-player-queue-desktop{min-height:0;min-width:0}.full-player-left{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-5)}.full-player-cover-wrap{width:100%;max-width:240px;aspect-ratio:1 / 1;border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-lg);flex-shrink:0;position:relative;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%)}.full-player-cover-wrap:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,transparent 60%,rgba(0,0,0,.2) 100%);pointer-events:none}.full-player-cover{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;display:block}.full-player-cover-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--color-text-inverse);font-size:80px;font-family:var(--font-display)}.full-player-info{text-align:center;width:100%;padding:0 var(--space-2)}.full-player-title{font-family:var(--font-display);font-size:20px;font-weight:600;color:var(--color-text);margin-bottom:var(--space-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:-.01em}.full-player-artist{font-size:13px;color:var(--color-text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.full-player-center{display:flex;flex-direction:column;min-height:0;overflow:hidden}.full-player-center .lyrics-panel{flex:1;min-height:0;padding:0 var(--space-3);mask-image:linear-gradient(to bottom,transparent 0%,black 12%,black 88%,transparent 100%);-webkit-mask-image:linear-gradient(to bottom,transparent 0%,black 12%,black 88%,transparent 100%)}.full-player-queue-desktop{display:flex;flex-direction:column;background:var(--color-surface-muted);border-radius:var(--radius-xl);padding:var(--space-2);overflow:hidden;border:1px solid var(--color-divider)}.full-player-queue-desktop .queue-list-panel{background:transparent;width:100%;height:100%}.full-player-queue-desktop .queue-list-header{background:transparent;padding:var(--space-3) var(--space-4)}.full-player-queue-desktop .queue-list-content{flex:1}.full-player-queue-desktop .queue-list-item-actions{opacity:1}.full-player-queue-desktop .queue-list-move-btn,.full-player-queue-desktop .queue-list-remove-btn{width:26px;height:26px;font-size:12px;border-radius:var(--radius-sm)}.full-player-queue-desktop .queue-list-item{padding:var(--space-2) var(--space-3);margin:0;border-radius:var(--radius-md)}.full-player-controls{flex-shrink:0;padding:var(--space-4) var(--space-7) var(--space-5);border-top:1px solid var(--color-divider);background:var(--color-surface);min-width:0}.full-player-progress{display:flex;align-items:center;gap:var(--space-3);margin-bottom:var(--space-4);position:relative}.full-player-time{font-family:var(--font-mono);font-size:12px;color:var(--color-text-secondary);font-variant-numeric:tabular-nums;min-width:46px;text-align:center}.full-player-progress-track{position:absolute;left:58px;right:58px;top:50%;transform:translateY(-50%);height:4px;background:var(--color-divider);border-radius:var(--radius-full);z-index:1;overflow:hidden;pointer-events:none}.full-player-progress-fill{height:100%;background:linear-gradient(90deg,var(--color-primary) 0%,var(--color-secondary) 100%);border-radius:var(--radius-full);width:var(--progress, 0%);transition:width .1s linear}.full-player-progress-slider{flex:1;height:6px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;border-radius:var(--radius-full);outline:none;cursor:pointer;position:relative;z-index:2}.full-player-progress-slider::-webkit-slider-runnable-track{height:6px;background:transparent;border-radius:var(--radius-full)}.full-player-progress-slider::-moz-range-track{height:6px;background:transparent;border-radius:var(--radius-full)}.full-player-progress-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:14px;height:14px;border-radius:var(--radius-full);background:var(--color-primary);cursor:pointer;margin-top:-4px;box-shadow:0 0 0 4px #7eb6d94d;-webkit-transition:all var(--transition-fast);transition:all var(--transition-fast)}.full-player-progress-slider::-webkit-slider-thumb:hover{transform:scale(1.2);box-shadow:0 0 0 6px #7eb6d959}.full-player-progress-slider::-moz-range-thumb{width:14px;height:14px;border-radius:var(--radius-full);background:var(--color-primary);cursor:pointer;border:none}.full-player-buttons{display:flex;align-items:center;justify-content:center;gap:var(--space-4)}.full-control-btn{background:transparent;border:none;font-size:18px;color:var(--color-text-secondary);padding:var(--space-2);border-radius:var(--radius-full);transition:all var(--transition-base);display:flex;align-items:center;justify-content:center;min-width:44px;height:44px;cursor:pointer}.full-control-btn:hover,.full-control-btn.active{background:var(--color-primary-light);color:var(--color-primary)}.full-play-btn{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);color:var(--color-text-inverse);font-size:22px;width:60px;height:60px;box-shadow:var(--shadow-glow)}.full-play-btn:hover{background:linear-gradient(135deg,var(--color-primary-dark) 0%,var(--color-secondary) 100%);color:var(--color-text-inverse);transform:scale(1.05);box-shadow:0 12px 32px #7eb6d980}.mode-btn,.queue-toggle-btn{font-size:13px;font-weight:500;border-radius:var(--radius-md);background:var(--color-surface-muted);min-width:52px;height:36px;padding:0 var(--space-3);border:1px solid var(--color-border)}.mode-btn:hover,.queue-toggle-btn:hover{background:var(--color-primary-light);border-color:var(--color-primary-light)}.queue-toggle-btn{display:none}.full-player-volume{display:flex;align-items:center;justify-content:center;gap:var(--space-3);margin-top:var(--space-3);color:var(--color-text-secondary);font-size:13px}.full-volume-slider{width:140px;height:4px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--color-divider);border-radius:var(--radius-full);outline:none;cursor:pointer}.full-volume-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:12px;height:12px;border-radius:var(--radius-full);background:var(--color-primary);cursor:pointer;-webkit-transition:transform var(--transition-fast);transition:transform var(--transition-fast)}.full-volume-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.full-volume-slider::-moz-range-thumb{width:12px;height:12px;border-radius:var(--radius-full);background:var(--color-primary);cursor:pointer;border:none}@media(max-width:1024px){.full-player{height:min(700px,calc(100vh - 40px));max-height:min(700px,calc(100vh - 40px))}.full-player-main{grid-template-columns:220px 1fr 220px;padding:var(--space-6) var(--space-5) 0;gap:var(--space-4)}.full-player-cover-wrap{max-width:180px}.full-player-controls{padding:var(--space-3) var(--space-5) var(--space-4)}}@media(max-width:768px){.full-player-overlay{padding:0;align-items:flex-end;background:#0009}.full-player{max-width:100%;width:100%;height:100vh;height:100dvh;max-height:100vh;max-height:100dvh;border-radius:var(--radius-2xl) var(--radius-2xl) 0 0;padding-bottom:env(safe-area-inset-bottom,0);display:flex;flex-direction:column;animation:playerSlideUp .36s cubic-bezier(.16,1,.3,1)}@keyframes playerSlideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.full-player-close{top:var(--space-4);right:var(--space-4);width:36px;height:36px;background:var(--color-surface-muted)}.full-player-main{display:flex;flex-direction:column;grid-template-columns:none;padding:calc(var(--space-12) + env(safe-area-inset-top,0)) var(--space-5) 0;gap:var(--space-4);overflow-y:auto;flex:1;min-height:0}.full-player-left{flex:none;flex-direction:row;align-items:center;justify-content:flex-start;gap:var(--space-4);text-align:left}.full-player-cover-wrap{width:88px;height:88px;max-width:none;aspect-ratio:auto;flex-shrink:0}.full-player-info{text-align:left;flex:1;padding:0;min-width:0}.full-player-title{font-size:18px}.full-player-artist{font-size:13px}.full-player-center{flex:1;min-height:200px}.full-player-center .lyrics-panel{padding:0}.full-player-queue-desktop{display:none}.queue-toggle-btn{display:flex}.full-player-controls{padding:var(--space-3) var(--space-4) calc(var(--space-4) + env(safe-area-inset-bottom,0))}.full-player-buttons{gap:var(--space-3)}.full-control-btn{min-width:40px;height:40px;font-size:16px}.full-play-btn{width:56px;height:56px;font-size:20px}.mode-btn,.queue-toggle-btn{min-width:44px;height:32px;font-size:12px}.full-player-volume{display:none}.full-player-progress-track{left:50px;right:50px}.full-player-progress{margin-bottom:var(--space-3)}}@media(max-width:480px){.full-player-cover-wrap{width:72px;height:72px}.full-player-title{font-size:16px}.full-player-buttons{gap:var(--space-2)}.full-control-btn{min-width:36px;height:36px}.full-play-btn{width:50px;height:50px}}.player-bar-wrapper{position:fixed;bottom:0;left:var(--sidebar-width);right:0;z-index:100;transform:translateY(100%);transition:transform var(--transition-base)}.player-bar-wrapper.visible{transform:translateY(0)}.player-bar{background:var(--color-surface);box-shadow:0 -2px 12px #00000080;border-top:1px solid var(--color-border)}.lyrics-overlay{position:absolute;bottom:100%;left:0;right:0;height:360px;background:#1c1c1efa;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 -4px 20px #0009;display:flex;flex-direction:column;border-top-left-radius:var(--radius-xl);border-top-right-radius:var(--radius-xl);overflow:hidden;animation:lyricsSlideUp .25s ease}@keyframes lyricsSlideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.lyrics-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4) var(--space-5);border-bottom:1px solid var(--color-divider);flex-shrink:0}.lyrics-song-info{min-width:0}.lyrics-title{font-size:16px;font-weight:600;color:var(--color-text);margin-bottom:var(--space-1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lyrics-artist{font-size:13px;color:var(--color-text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lyrics-close-btn{background:none;border:none;font-size:18px;color:var(--color-text-tertiary);width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-base)}.lyrics-close-btn:hover{background:var(--color-hover);color:var(--color-text)}.lyrics-overlay .lyrics-panel{flex:1}.player-progress{width:100%;height:4px;background:var(--color-divider);position:relative;cursor:pointer;transition:height var(--transition-fast)}.player-progress:before{content:"";display:block;height:100%;background:linear-gradient(90deg,var(--color-primary) 0%,var(--color-secondary) 100%);width:var(--progress, 0%);transition:width .1s linear;border-radius:var(--radius-full)}.progress-slider{position:absolute;top:50%;left:0;transform:translateY(-50%);width:100%;height:20px;margin:0;padding:0;opacity:0;cursor:pointer}.player-progress:hover{height:6px}.player-progress:hover:after{content:"";position:absolute;top:50%;left:calc(var(--progress, 0%) - 6px);transform:translateY(-50%);width:12px;height:12px;background:var(--color-primary);border-radius:var(--radius-full);box-shadow:0 0 0 4px #7eb6d94d}.player-main{display:flex;align-items:center;justify-content:space-between;padding:var(--space-3) var(--space-5);max-width:1200px;margin:0 auto;gap:var(--space-4);height:var(--player-bar-height)}.player-song{display:flex;align-items:center;gap:var(--space-3);flex:1.2;min-width:0;cursor:pointer;border-radius:var(--radius-md);padding:var(--space-1);margin:calc(-1 * var(--space-1));transition:background var(--transition-base)}.player-song:hover{background:#7eb6d91f}.player-cover,.player-cover-placeholder{width:48px;height:48px;border-radius:var(--radius-sm);-o-object-fit:cover;object-fit:cover;flex-shrink:0}.player-cover-placeholder{background:var(--color-border);display:flex;align-items:center;justify-content:center;color:var(--color-text-tertiary);font-size:20px}.player-info{min-width:0}.player-expand-hint{font-size:14px;color:var(--color-text-tertiary);margin-left:var(--space-1);opacity:0;transition:opacity var(--transition-base)}.player-song:hover .player-expand-hint{opacity:1}.player-title{font-size:14px;font-weight:600;color:var(--color-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:2px}.player-artist{font-size:12px;color:var(--color-text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.player-controls{display:flex;align-items:center;gap:var(--space-3);flex:1;justify-content:center}.control-btn{background:none;border:none;font-size:20px;color:var(--color-text-secondary);padding:var(--space-2);border-radius:var(--radius-full);transition:all 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a:hover{text-decoration:underline}@media(max-width:640px){.auth-page{padding:var(--space-4);min-height:calc(100vh - 140px);min-height:calc(100dvh - 140px)}.auth-card{padding:var(--space-5)}.auth-title{font-size:22px}}.artist-page{padding-bottom:var(--space-6)}.artist-header{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--space-4);margin-bottom:var(--space-5)}.artist-header-main{display:flex;align-items:center;gap:var(--space-4);flex:1;min-width:0}.artist-header-avatar{width:120px;height:120px;border-radius:var(--radius-full);overflow:hidden;flex-shrink:0;background:var(--color-border);box-shadow:var(--shadow-md)}.artist-header-avatar img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.artist-header-avatar-placeholder{width:100%;height:100%;background:linear-gradient(135deg,var(--color-surface) 0%,var(--color-border) 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var(--space-3);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.sheet-count{font-size:13px;color:var(--color-text-tertiary);margin:0}.sheet-songs{display:flex;flex-direction:column;gap:var(--space-2)}@media(max-width:768px){.sheet-info{flex-direction:column;align-items:center;text-align:center}.sheet-cover{width:160px;height:160px}.sheet-meta{align-items:center}}.player-banner-ad-root{position:fixed;left:var(--sidebar-width);right:0;bottom:0;z-index:102;pointer-events:none}.player-banner-ad{position:fixed;left:var(--sidebar-width);right:0;bottom:calc(var(--player-bar-height) + 4px);width:auto;height:90px;background:linear-gradient(90deg,#7eb6d92e,#ffd93d1f);border-top:1px solid var(--color-border);display:flex;align-items:center;padding:0 var(--space-5);gap:var(--space-4);pointer-events:none;box-shadow:0 -2px 12px #00000080;animation:adSlideUp .3s ease;z-index:102}@keyframes 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var(--space-3)}.player-banner-ad-content{height:60px}.player-banner-ad-meta{min-width:auto;font-size:11px}.player-banner-ad-overlay{left:0;right:0;bottom:var(--mobile-nav-height);height:calc(var(--player-bar-height) + 4px + 80px + env(safe-area-inset-bottom,0px))}}.prompt-dialog-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:300;display:flex;align-items:center;justify-content:center;padding:var(--space-5);animation:promptFadeIn .2s ease}@keyframes promptFadeIn{0%{opacity:0}to{opacity:1}}.prompt-dialog{width:100%;max-width:380px;background:var(--color-surface-elevated);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-6) var(--space-5);text-align:center;box-shadow:var(--shadow-xl);animation:promptScaleIn .25s cubic-bezier(.16,1,.3,1)}@keyframes 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var(--color-border);font-size:14px;display:flex;align-items:center;justify-content:center;transition:all var(--transition-base)}.play-state-btn:hover{background:var(--color-primary-light);color:var(--color-primary);border-color:var(--color-primary)}.play-state-btn.active{background:var(--color-primary);color:var(--color-text-inverse);border-color:var(--color-primary)}.song-cover{width:48px;height:48px;border-radius:var(--radius-sm);overflow:hidden;flex-shrink:0;background:var(--color-border)}.song-cover img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.cover-placeholder{width:100%;height:100%;background:linear-gradient(135deg,var(--color-surface) 0%,var(--color-border) 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transparent}.playlist-card:hover{background:#7eb6d926;border-color:#7eb6d959}.playlist-card.system{background:var(--color-error-light)}.playlist-card.system:hover{background:#ff3b302e;border-color:#ff3b3066}.playlist-card.expanded{box-shadow:inset 0 0 0 2px var(--color-error)}.playlist-actions,.recent-actions{display:flex;align-items:center;gap:var(--space-2);margin-left:auto}.expand-icon{font-size:12px;color:var(--color-text-tertiary);width:20px;text-align:center}.playlist-songs{margin-bottom:var(--space-4);animation:slideDown .2s ease}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.song-list.scrollable{max-height:360px;overflow-y:auto;padding-right:var(--space-1)}.song-list.scrollable::-webkit-scrollbar{width:4px}.song-list.scrollable::-webkit-scrollbar-thumb{background:#3a3a3c;border-radius:2px}.song-list.scrollable::-webkit-scrollbar-track{background:transparent}.recent-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-2) 0;cursor:pointer;border-top:1px solid var(--color-divider);margin-top:var(--space-2)}.recent-header .sub-title{margin:0}.playlist-cover{width:48px;height:48px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);color:var(--color-text-inverse);display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}.playlist-card.system .playlist-cover{background:linear-gradient(135deg,var(--color-error) 0%,#FF6B61 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translateY(0)}}.message-success{background:var(--color-success)}.message-error{background:var(--color-error)}.message-info{background:var(--color-info)}.home-hero{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);color:var(--color-text-inverse);padding:var(--space-10) var(--space-6);border-radius:var(--radius-lg);margin-bottom:var(--space-5);text-align:center;box-shadow:var(--shadow-md)}.home-title{font-size:26px;margin-bottom:var(--space-2);font-weight:600}.home-subtitle{font-size:14px;opacity:.9;margin-bottom:var(--space-4)}.home-auth-actions{display:flex;gap:var(--space-3);justify-content:center;margin-top:var(--space-4)}.home-auth-actions .btn{text-decoration:none;min-width:100px}.quick-actions{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:var(--space-3);margin-bottom:var(--space-5)}.quick-card{background:var(--color-surface);border-radius:var(--radius-lg);padding:var(--space-4);display:flex;align-items:center;gap:var(--space-3);cursor:pointer;box-shadow:var(--shadow-md);border:1px solid var(--color-border);transition:all var(--transition-base)}.quick-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#7eb6d959}.quick-icon{width:44px;height:44px;border-radius:var(--radius-md);background:var(--color-primary-light);display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}.quick-name{font-size:14px;font-weight:600;color:var(--color-text);margin-bottom:2px}.quick-desc{font-size:12px;color:var(--color-text-secondary)}.home-section{margin-bottom:var(--space-5)}.library-profile{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3)}.profile-info{display:flex;align-items:center;gap:var(--space-3)}.profile-avatar{width:52px;height:52px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);color:var(--color-text-inverse);display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0}.profile-name{font-size:16px;font-weight:600;color:var(--color-text);margin-bottom:2px}.profile-meta{font-size:12px;color:var(--color-text-secondary)}.page-placeholder{text-align:center;padding:var(--space-10) var(--space-5)}.page-placeholder .page-title{color:var(--color-text)}@media(max-width:768px){.container{padding:var(--space-4)}.card{padding:var(--space-4);margin-bottom:var(--space-4)}.home-hero{padding:var(--space-6) var(--space-4)}.home-title{font-size:22px}.quick-actions{grid-template-columns:1fr}.library-profile{flex-direction:column;align-items:flex-start;gap:var(--space-3)}.search-form{flex-direction:column}.song-actions{gap:var(--space-1)}}@media(max-width:640px){.container{padding:var(--space-3)}.card{padding:var(--space-3);border-radius:var(--radius-md)}.home-hero{padding:var(--space-5) var(--space-4)}.home-title{font-size:20px}.song-item{padding:var(--space-2)}.song-cover{width:44px;height:44px}.like-btn,.play-state-btn{min-width:30px;height:30px;font-size:13px}}:root{--color-primary: #7EB6D9;--color-primary-dark: #5A92B5;--color-primary-light: rgba(126, 182, 217, .18);--color-secondary: #FFD93D;--color-success: #6BCB77;--color-error: #FF3B30;--color-error-light: rgba(255, 59, 48, .15);--color-warning: #FFD93D;--color-info: #7EB6D9;--color-background: #000000;--color-surface: #1C1C1E;--color-surface-elevated: #2C2C2E;--color-surface-muted: #1C1C1E;--color-hover: rgba(255, 255, 255, .08);--color-text: #FFFFFF;--color-text-secondary: rgba(255, 255, 255, .7);--color-text-tertiary: rgba(255, 255, 255, .45);--color-text-inverse: #000000;--color-border: rgba(255, 255, 255, .12);--color-divider: rgba(255, 255, 255, .08);--glass-bg: rgba(28, 28, 30, .72);--glass-bg-strong: rgba(28, 28, 30, .92);--glass-border: rgba(255, 255, 255, .12);--glass-blur: 24px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-7: 28px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-16: 64px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-2xl: 28px;--radius-3xl: 36px;--radius-full: 9999px;--shadow-xs: 0 1px 2px rgba(0, 0, 0, .3);--shadow-sm: 0 2px 6px rgba(0, 0, 0, .4);--shadow-md: 0 6px 20px rgba(0, 0, 0, .5);--shadow-lg: 0 16px 40px rgba(0, 0, 0, .6);--shadow-xl: 0 24px 60px rgba(0, 0, 0, .7);--shadow-glow: 0 8px 24px rgba(126, 182, 217, .32);--transition-fast: .15s ease;--transition-base: .22s cubic-bezier(.4, 0, .2, 1);--transition-slow: .36s cubic-bezier(.4, 0, .2, 1);--sidebar-width: 220px;--player-bar-height: 76px;--mobile-nav-height: 60px;--app-banner-height: 64px;--full-player-controls-height: 200px;--font-display: "Sora", "PingFang SC", "Noto Sans SC", system-ui, sans-serif;--font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono: "JetBrains Mono", "SF Mono", Menlo, monospace}*{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);background:var(--color-background);color:var(--color-text);min-height:100vh;min-height:100dvh;line-height:1.5}#root{min-height:100vh;min-height:100dvh}button{cursor:pointer;font-family:inherit}input{font-family:inherit}*:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}button:focus-visible,input:focus-visible{outline-offset:2px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-thumb{background:#2c2c2e;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#3a3a3c}::-webkit-scrollbar-track{background:transparent}img{-webkit-user-drag:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}