.glass-sidebar,.glass-card,.glass-overlay,.feature-panel,#videoDownloadModal,#shortcuts-panel{--primary:#2b2823;--primary-dark:#1a1815;--accent:#ff6719;--accent-hover:#e55a15;--accent-active:#cc4f12;--success:#059862;--danger:#cc4f12;--warning:#f39c12;--white:#fff;--off-white:#fafafa;--gray-100:#f5f5f5;--gray-200:#e8e8e8;--gray-300:#d4d4d4;--gray-400:#a3a3a3;--gray-500:#737373;--gray-600:#525252;--gray-700:#404040;--gray-800:#262626;--gray-900:#171717;--black:#0a0a0a;--glass-bg:#ffffffb3;--glass-bg-heavy:#ffffffd9;--glass-bg-light:#ffffff80;--glass-border:#ffffff2e;--glass-shadow:0 8px 32px #6b46ff26;--glass-shadow-hover:0 12px 48px #6b46ff40;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--spacing-2xl:48px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-2xl:24px;--radius-full:9999px;--transition-fast:.15s cubic-bezier(.4,0,.2,1);--transition-base:.3s cubic-bezier(.4,0,.2,1);--transition-slow:.5s cubic-bezier(.4,0,.2,1);--z-base:1;--z-dropdown:1000;--z-sticky:1100;--z-overlay:1200;--z-modal:1300;--z-popover:1400;--z-tooltip:1500;--z-max:999999}.glass-sidebar.dark-mode,.glass-card.dark-mode,.glass-overlay.dark-mode,.feature-panel.dark-mode,#videoDownloadModal.dark-mode,#shortcuts-panel.dark-mode{--glass-bg:#000000b3;--glass-bg-heavy:#000000d9;--glass-bg-light:#00000080;--glass-border:#ffffff14;--glass-shadow:0 8px 32px #00000080;--glass-shadow-hover:0 12px 48px #000000b3}.glass-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--glass-shadow);transition:all var(--transition-base)}.glass-card:hover{box-shadow:var(--glass-shadow-hover);transform:translateY(-2px)}.glass-button{background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:var(--radius-md);color:var(--gray-700);cursor:pointer;transition:all var(--transition-fast);padding:10px 20px;font-size:14px;font-weight:600;box-shadow:0 4px 12px #0000000d,inset 0 1px #fff3}.glass-button:hover{background:var(--glass-bg-heavy);transform:translateY(-1px);box-shadow:0 6px 20px #00000014,inset 0 1px #ffffff4d}.glass-button:active{transform:translateY(0);box-shadow:0 2px 8px #0000000d,inset 0 1px 2px #0000001a}.button-primary{background:var(--accent);color:#fff;border:none}.button-primary:hover{background:var(--accent-hover)}.button-success{background:var(--success);color:#fff;border:none}.glass-input{background:var(--glass-bg-light);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:var(--radius-md);color:var(--gray-700);transition:all var(--transition-fast);outline:none;padding:12px 16px;font-size:14px}.glass-input:focus{background:var(--glass-bg);border-color:var(--primary);box-shadow:0 0 0 3px #ff6b001a,0 4px 12px #0000000d}.glass-input::placeholder{color:var(--gray-400)}.glass-badge{background:var(--glass-bg-light);-webkit-backdrop-filter:blur(10px);border:1px solid var(--glass-border);border-radius:var(--radius-full);color:var(--gray-600);align-items:center;padding:4px 12px;font-size:12px;font-weight:600;display:inline-flex}.glass-badge.badge-primary{color:var(--primary);background:#ff6b0026;border-color:#ff6b0033}.glass-badge.badge-success{color:var(--success);background:#00d08426;border-color:#00d08433}.glass-progress{background:var(--glass-bg-light);-webkit-backdrop-filter:blur(10px);border:1px solid var(--glass-border);border-radius:var(--radius-full);height:8px;overflow:hidden}.glass-progress-bar{background:var(--accent);border-radius:var(--radius-full);height:100%;transition:width var(--transition-base);box-shadow:0 2px 8px #ff6b004d}.glass-tooltip{background:var(--glass-bg-heavy);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:var(--radius-sm);color:var(--gray-700);padding:8px 12px;font-size:12px;box-shadow:0 4px 12px #0000001a}.glass-overlay{-webkit-backdrop-filter:blur(4px);z-index:var(--z-overlay);animation:fadeIn var(--transition-base);background:#0006;position:fixed;inset:0}.glass-sidebar{background:var(--glass-bg-heavy);-webkit-backdrop-filter:blur(20px);border-left:1px solid var(--glass-border);width:480px;height:100vh;transition:right var(--transition-base);z-index:var(--z-modal);position:fixed;top:0;right:-480px;overflow-y:auto;box-shadow:-8px 0 32px #0000001a}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInRight{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.blur-sm{backdrop-filter:blur(4px)}.blur-md{backdrop-filter:blur(8px)}.blur-lg{backdrop-filter:blur(16px)}.blur-xl{backdrop-filter:blur(24px)}.shadow-sm{box-shadow:0 2px 4px #0000000d}.shadow-md{box-shadow:0 4px 12px #00000014}.shadow-lg{box-shadow:0 8px 24px #0000001f}.shadow-xl{box-shadow:0 12px 48px #00000029}.glass-sidebar{z-index:999999;background:#fff;border-left:1px solid #e0e0e0;flex-direction:column;width:520px;height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,Roboto,sans-serif;transition:right .3s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;top:0;right:-520px;overflow:hidden;box-shadow:-8px 0 24px #0000001f}.glass-sidebar.open{right:0}.glass-sidebar .panel-header{background:#fff;border-bottom:1px solid #e8e8e8;padding:20px 24px}.glass-sidebar .header-top{justify-content:space-between;align-items:flex-start;display:flex}.glass-sidebar .header-logo{align-items:center;gap:12px;display:flex}.glass-sidebar .logo-badge{color:#fff;background:#ff6719;border-radius:8px;justify-content:center;align-items:center;width:40px;height:40px;font-size:18px;font-weight:700;display:flex}.glass-sidebar .panel-header h2{color:#1a1a1a;margin:0;font-size:18px;font-weight:600}.glass-sidebar .publication-name{color:#666;margin:2px 0 0;font-size:13px}.glass-sidebar .header-actions{align-items:center;gap:8px;display:flex}.glass-sidebar .icon-btn{cursor:pointer;color:#666;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;width:36px;height:36px;padding:0;transition:all .2s;display:flex}.glass-sidebar .icon-btn svg{stroke:currentColor;width:20px;height:20px}.glass-sidebar .icon-btn:hover:not(:disabled){color:#1a1a1a;background:#f5f5f5}.glass-sidebar .icon-btn:disabled{opacity:.3;cursor:not-allowed}.glass-sidebar .close-btn{cursor:pointer;color:#666;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;width:36px;height:36px;padding:0;transition:all .2s;display:flex}.glass-sidebar .close-btn svg{stroke:currentColor;width:24px;height:24px}.glass-sidebar .close-btn:hover{color:#1a1a1a;background:#f5f5f5}.glass-sidebar .search-bar{background:#fafafa;border-bottom:1px solid #e8e8e8;align-items:center;padding:12px 24px;display:flex;position:relative}.glass-sidebar .search-icon{color:#999;pointer-events:none;align-items:center;display:flex;position:absolute;left:36px}.glass-sidebar .search-icon svg{stroke:currentColor;width:20px;height:20px}.glass-sidebar #searchInput{color:#1a1a1a;background:#fff;border:1px solid #e0e0e0;border-radius:8px;width:100%;padding:10px 80px 10px 40px;font-size:14px;transition:all .2s}.glass-sidebar #searchInput:focus{border-color:#ff6719;outline:none;box-shadow:0 0 0 3px #ff67191a}.glass-sidebar #searchInput::placeholder{color:#999}.glass-sidebar .search-hint{color:#666;pointer-events:none;background:#f0f0f0;border-radius:4px;padding:4px 8px;font-size:11px;font-weight:500;position:absolute;right:36px}.glass-sidebar .panel-tabs{background:#fff;border-bottom:1px solid #e8e8e8;gap:8px;padding:16px 24px;display:flex}.glass-sidebar .tab-btn{color:#666;cursor:pointer;background:#f5f5f5;border:none;border-radius:20px;padding:8px 20px;font-size:14px;font-weight:500;transition:all .2s}.glass-sidebar .tab-btn:hover{color:#1a1a1a;background:#eee}.glass-sidebar .tab-btn.active{color:#fff;background:#1a1a1a}.glass-sidebar .panel-content{background:#fafafa;flex:1;padding:20px;overflow-y:auto}.glass-sidebar .panel-content::-webkit-scrollbar{width:8px}.glass-sidebar .panel-content::-webkit-scrollbar-track{background:#f0f0f0;border-radius:4px}.glass-sidebar .panel-content::-webkit-scrollbar-thumb{background:#ccc;border-radius:4px}.glass-sidebar .panel-content::-webkit-scrollbar-thumb:hover{background:#999}.glass-sidebar .media-section{margin-bottom:24px}.glass-sidebar .media-section:last-child{margin-bottom:0}.glass-sidebar .media-section h3{color:#1a1a1a;margin:0 0 16px;font-size:15px;font-weight:600}.glass-sidebar .media-grid{flex-direction:column;gap:12px;display:flex}.glass-sidebar .media-card{background:#fff;border:1px solid #e8e8e8;border-radius:12px;align-items:center;gap:16px;padding:16px;transition:all .2s;display:flex}.glass-sidebar .media-card:hover{border-color:#d0d0d0;box-shadow:0 2px 8px #0000000f}.glass-sidebar .media-thumbnail-wrapper{flex-shrink:0;position:relative}.glass-sidebar .media-thumbnail{object-fit:cover;border-radius:8px;width:140px;height:80px}.glass-sidebar .media-placeholder{background:#f8f8f8;border:1px solid #e8e8e8;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:140px;height:80px;display:flex}.glass-sidebar .audio-placeholder{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}.glass-sidebar .audio-placeholder svg{color:#fff;stroke:#fff;width:32px;height:32px}.glass-sidebar .media-placeholder svg{opacity:.6;color:#737373;stroke:#737373;width:36px;height:36px}.glass-sidebar .duration-badge{color:#fff;background:#000000bf;border-radius:4px;padding:2px 6px;font-size:11px;font-weight:500;position:absolute;bottom:6px;right:6px}.glass-sidebar .media-info{flex-direction:column;flex:1;justify-content:center;gap:4px;min-width:0;display:flex}.glass-sidebar .media-title{color:#1a1a1a;-webkit-line-clamp:2;text-overflow:ellipsis;-webkit-box-orient:vertical;margin:0;font-size:14px;font-weight:600;line-height:1.4;display:-webkit-box;overflow:hidden}.glass-sidebar .media-meta{color:#666;gap:8px;font-size:12px;display:flex}.glass-sidebar .media-meta span{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.glass-sidebar .media-actions,.glass-sidebar .quality-selector{flex-direction:column;align-items:flex-end;gap:8px;display:flex}.glass-sidebar .quality-dropdown{color:#1a1a1a;cursor:pointer;background:#fff;border:1px solid #e0e0e0;border-radius:6px;min-width:100px;padding:6px 12px;font-size:13px;transition:all .2s}.glass-sidebar .quality-dropdown:focus{border-color:#ff6719;outline:none}.glass-sidebar .download-btn.modern-btn{color:#fff;cursor:pointer;background:#1a1a1a;border:none;border-radius:8px;justify-content:center;align-items:center;gap:6px;min-width:120px;padding:8px 16px;font-size:13px;font-weight:500;transition:all .2s;display:flex}.glass-sidebar .download-btn.modern-btn svg{stroke:currentColor;width:16px;height:16px}.glass-sidebar .download-btn.modern-btn:hover:not(:disabled){background:#000;transform:translateY(-1px);box-shadow:0 4px 12px #00000026}.glass-sidebar .download-btn.modern-btn:disabled{opacity:.5;cursor:not-allowed}.glass-sidebar .download-status{color:#059862;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:6px;align-items:center;gap:6px;padding:8px 12px;font-size:13px;font-weight:500;display:flex}.glass-sidebar .download-status svg{stroke:#059862;width:16px;height:16px}.glass-sidebar .panel-footer{background:#fff;border-top:1px solid #e8e8e8;padding:20px 24px}.glass-sidebar 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stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-position:right 12px center;background-repeat:no-repeat;background-size:16px;border:1px solid #2d2d2d}.glass-sidebar.dark-mode .setting-group select:focus,.glass-sidebar.dark-mode .settings-select:focus{border-color:#ff6719;box-shadow:0 0 0 3px #ff671933}.glass-sidebar.dark-mode .history-actions{border-bottom:1px solid #2d2d2d}.glass-sidebar.dark-mode .secondary-btn{color:#e0e0e0;background:#252525;border:1px solid #2d2d2d}.glass-sidebar.dark-mode .secondary-btn:hover{background:#333;border-color:#404040}.glass-sidebar.dark-mode .history-item{background:#252525}.glass-sidebar.dark-mode .history-item:hover,.glass-sidebar.dark-mode .history-icon{background:#333}.glass-sidebar.dark-mode .history-title{color:#e0e0e0}.glass-sidebar.dark-mode .history-meta,.glass-sidebar.dark-mode .empty-message{color:#666}@keyframes svdl-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.glass-sidebar .spinner{animation:1s linear infinite svdl-spin}.glass-sidebar .loading-spinner{border:3px solid #f5f5f5;border-top-color:#ff6719;border-radius:50%;width:40px;height:40px;margin:0 auto 12px;animation:1s linear infinite svdl-spin}.glass-sidebar .loading-text{text-align:center;color:#666;padding:40px 20px;font-size:14px}.glass-sidebar .glass-button{color:#1a1a1a;cursor:pointer;background:#fff;border:1px solid #e8e8e8;border-radius:6px;padding:6px 14px;font-size:13px;font-weight:500;transition:all .2s}.glass-sidebar .glass-button:hover{background:#fafafa;border-color:#d0d0d0}@keyframes svdl-slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}#videoDownloadModal.old-style{display:none}.feature-panel{z-index:999999;background:#fff;border-radius:12px;width:90%;max-width:500px;max-height:80vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,Roboto,sans-serif;animation:.3s panelSlideIn;position:fixed;top:50%;left:50%;overflow:hidden;transform:translate(-50%,-50%);box-shadow:0 10px 40px #00000026}@keyframes panelSlideIn{0%{opacity:0;transform:translate(-50%,-45%)}to{opacity:1;transform:translate(-50%,-50%)}}.feature-panel-header{background:#fafafa;border-bottom:1px solid #e0e0e0;justify-content:space-between;align-items:center;padding:20px;display:flex}.feature-panel-header h3{color:#1a1a1a;margin:0;font-size:18px;font-weight:600}.panel-close-btn{cursor:pointer;color:#666;background:0 0;border:none;border-radius:8px;padding:8px;transition:all .2s}.panel-close-btn:hover{color:#1a1a1a;background:#e0e0e0}.feature-panel-content{max-height:calc(80vh - 80px);padding:20px;overflow-y:auto}.setting-group{margin-bottom:20px}.setting-group label{color:#333;margin-bottom:8px;font-size:14px;font-weight:500;display:block}.setting-group select{background:#fff;border:1px solid #ddd;border-radius:8px;width:100%;padding:10px 12px;font-size:14px;transition:border-color .2s}.setting-group select:focus{border-color:#ff6719;outline:none;box-shadow:0 0 0 3px #ff67191a}.setting-group input[type=checkbox]{cursor:pointer;width:16px;height:16px;margin-right:8px}.setting-group label input[type=checkbox]{vertical-align:middle}.shortcut-item{border-bottom:1px solid #f0f0f0;justify-content:space-between;align-items:center;padding:12px 0;display:flex}.shortcut-item:last-child{border-bottom:none}.shortcut-item kbd{background:#f4f4f4;border:1px solid #ddd;border-radius:4px;margin:0 2px;padding:4px 8px;font-family:monospace;font-size:12px;box-shadow:0 2px #ddd}.shortcut-item span{color:#666;margin-left:auto;padding-left:20px;font-size:14px}.history-actions{border-bottom:1px solid #e0e0e0;margin-bottom:20px;padding-bottom:15px}.secondary-btn{color:#333;cursor:pointer;background:#f0f0f0;border:1px solid #ddd;border-radius:8px;padding:8px 16px;font-size:14px;transition:all .2s}.secondary-btn:hover{background:#e0e0e0;border-color:#ccc}.history-list{max-height:400px;overflow-y:auto}.history-item{background:#fafafa;border-radius:8px;align-items:center;margin-bottom:8px;padding:12px;transition:background .2s;display:flex}.history-item:hover{background:#f0f0f0}.history-icon{color:#ff6719;background:#fff;border-radius:8px;justify-content:center;align-items:center;width:40px;height:40px;margin-right:12px;display:flex}.history-icon svg{width:20px;height:20px}.history-info{flex:1;min-width:0}.history-title{color:#333;text-overflow:ellipsis;white-space:nowrap;margin-bottom:4px;font-size:14px;font-weight:500;overflow:hidden}.history-meta{color:#999;font-size:12px}.empty-message{text-align:center;color:#999;padding:40px 20px;font-size:14px}.feature-panel.dark-mode{background:#1a1a1a;box-shadow:0 10px 40px #00000080}.feature-panel.dark-mode .feature-panel-header{background:#252525;border-bottom:1px solid #2d2d2d}.feature-panel.dark-mode .feature-panel-header 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