:root{--primary-gradient:linear-gradient(135deg,#667eea,#764ba2);--success-gradient:linear-gradient(135deg,#84fab0,#8fd3f4);--danger-gradient:linear-gradient(135deg,#fa709a,#fee140);--text-primary:#1a202c;--text-secondary:#718096;--text-muted:#a0aec0;--border-radius:16px;--border-radius-sm:12px;--border-radius-lg:24px;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--transition-fast:150ms cubic-bezier(0.4,0,0.2,1);--transition-normal:250ms cubic-bezier(0.4,0,0.2,1);--transition-slow:350ms cubic-bezier(0.4,0,0.2,1)}.notification-bell-container,.notification-center-page,.notification-dropdown{--glass-card-bg:rgba(26,32,44,.8)}[data-theme=light] .notification-bell-container,[data-theme=light] .notification-center-page,[data-theme=light] .notification-dropdown{--glass-card-bg:hsla(0,0%,100%,.8)}.glass-effect{background:var(--glass-card-bg);backdrop-filter:var(--glass-blur-standard);-webkit-backdrop-filter:var(--glass-blur-standard);border:var(--glass-border-standard);box-shadow:var(--glass-shadow-card)}.notification-bell-container{position:relative}.notification-bell-button{position:relative;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:none;background:transparent;border-radius:var(--border-radius-sm);cursor:pointer;transition:all var(--transition-normal)}.notification-bell-button:hover{background:rgba(103,126,234,.1);transform:translateY(-2px)}.notification-bell-button:active{transform:translateY(0)}.notification-bell-icon{width:24px;height:24px;color:var(--text-primary);transition:transform var(--transition-fast)}.notification-bell-button:hover .notification-bell-icon{animation:bellRing .5s ease-in-out}@keyframes bellRing{0%,to{transform:rotate(0deg)}10%,30%{transform:rotate(-10deg)}20%,40%{transform:rotate(10deg)}}.notification-badge{position:absolute;top:4px;right:4px;min-width:18px;height:18px;padding:0 5px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#ff6b6b,#ee5a6f);color:#fff;font-size:11px;font-weight:700;border-radius:9px;box-shadow:0 2px 8px hsla(0,100%,71%,.4);animation:badgePulse 2s ease-in-out infinite}@keyframes badgePulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.notification-center-page .notification-dropdown{position:absolute;top:calc(100% + 8px);right:0;width:420px;max-height:600px;border-radius:var(--border-radius);overflow:hidden;z-index:1000;animation:dropdownSlideIn var(--transition-normal) forwards}@keyframes dropdownSlideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.notification-center-page .notification-dropdown-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg);border-bottom:var(--glass-border-standard)}.notification-center-page .notification-dropdown-title{font-size:20px;font-weight:700;color:var(--text-primary);margin:0}.notification-center-page .notification-mark-all-read{padding:var(--spacing-sm) var(--spacing-md);background:transparent;border:none;color:#667eea;font-size:14px;font-weight:600;cursor:pointer;border-radius:var(--border-radius-sm);transition:all var(--transition-fast)}.notification-center-page .notification-mark-all-read:hover{background:rgba(103,126,234,.1)}.notification-center-page .notification-dropdown-list{max-height:440px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:rgba(103,126,234,.3) transparent}.notification-center-page .notification-dropdown-list::-webkit-scrollbar{width:6px}.notification-center-page .notification-dropdown-list::-webkit-scrollbar-track{background:transparent}.notification-center-page .notification-dropdown-list::-webkit-scrollbar-thumb{background:rgba(103,126,234,.3);border-radius:3px}.notification-center-page .notification-dropdown-list::-webkit-scrollbar-thumb:hover{background:rgba(103,126,234,.5)}.notification-center-page .notification-item{display:flex;align-items:flex-start;gap:var(--spacing-md);padding:var(--spacing-md);cursor:pointer;transition:all var(--transition-fast);border-bottom:var(--glass-border-standard);position:relative}.notification-center-page .notification-item:hover{background:rgba(103,126,234,.05)}.notification-center-page .notification-item:last-child{border-bottom:none}.notification-center-page .notification-unread{background:rgba(103,126,234,.08)}.notification-icon{font-size:28px;flex-shrink:0}.notification-content{flex:1 1;min-width:0}.notification-title{font-size:15px;font-weight:600;color:var(--text-primary);margin:0 0 var(--spacing-xs) 0;line-height:1.4}.notification-message{font-size:14px;color:var(--text-secondary);margin:0 0 var(--spacing-xs) 0;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.notification-time{font-size:12px;color:var(--text-muted)}.notification-unread-dot{position:absolute;top:var(--spacing-md);right:var(--spacing-md);width:8px;height:8px;background:#667eea;border-radius:50%;box-shadow:0 0 8px rgba(102,126,234,.6)}.notification-center-page .notification-dropdown-footer{padding:var(--spacing-md);border-top:var(--glass-border-standard)}.notification-center-page .notification-view-all{width:100%;padding:var(--spacing-md);background:var(--primary-gradient);color:#fff;border:none;border-radius:var(--border-radius-sm);font-size:15px;font-weight:600;cursor:pointer;transition:all var(--transition-normal)}.notification-center-page .notification-view-all:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(102,126,234,.4)}.notification-center-page .notification-view-all:active{transform:translateY(0)}.notification-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-xl);gap:var(--spacing-md)}.notification-spinner{width:32px;height:32px;border:3px solid rgba(103,126,234,.2);border-top-color:#667eea;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.notification-skeleton{padding:var(--spacing-md)}.notification-skeleton-item{display:flex;align-items:flex-start;gap:var(--spacing-md);padding:var(--spacing-md);border-bottom:var(--glass-border-standard)}.notification-skeleton-item:last-child{border-bottom:none}.notification-skeleton-icon{width:40px;height:40px;border-radius:50%;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:200% 100%;animation:skeleton-shimmer 1.5s ease-in-out infinite;flex-shrink:0}.notification-skeleton-content{flex:1 1;display:flex;flex-direction:column;gap:var(--spacing-sm)}.notification-skeleton-title{height:14px;width:70%;animation:skeleton-shimmer 1.5s ease-in-out infinite;animation-delay:.1s}.notification-skeleton-message,.notification-skeleton-title{border-radius:4px;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:200% 100%}.notification-skeleton-message{height:12px;width:90%;animation:skeleton-shimmer 1.5s ease-in-out infinite;animation-delay:.2s}.notification-skeleton-time{height:10px;width:40%;border-radius:4px;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:200% 100%;animation:skeleton-shimmer 1.5s ease-in-out infinite;animation-delay:.3s}@keyframes skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media (prefers-color-scheme:dark){.notification-skeleton-icon,.notification-skeleton-message,.notification-skeleton-time,.notification-skeleton-title{background:linear-gradient(90deg,#2d3748 25%,#4a5568 50%,#2d3748 75%);background-size:200% 100%}}.notification-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-xl);text-align:center}.notification-empty-icon{font-size:48px;margin-bottom:var(--spacing-md);opacity:.6}.notification-empty p{font-size:15px;font-weight:600;color:var(--text-primary);margin:0 0 var(--spacing-xs) 0}.notification-empty-subtitle{font-size:13px;color:var(--text-muted);display:block}.notification-center{max-width:900px;margin:0 auto;padding:var(--spacing-xl)}.notification-center-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-xl);border-radius:var(--border-radius);margin-bottom:var(--spacing-lg)}.notification-center-title-section{display:flex;align-items:baseline;gap:var(--spacing-md)}.notification-center-title{font-size:32px;font-weight:800;color:var(--text-primary);margin:0;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.notification-center-count{font-size:16px;color:var(--text-muted)}.notification-settings-button{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-lg);background:var(--primary-gradient);color:#fff;border:none;border-radius:var(--border-radius-sm);font-size:15px;font-weight:600;cursor:pointer;transition:all var(--transition-normal)}.notification-settings-button:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(102,126,234,.4)}.notification-settings-icon{width:20px;height:20px}.notification-filters{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg);border-radius:var(--border-radius);margin-bottom:var(--spacing-lg)}.notification-filter-group{display:flex;gap:var(--spacing-sm)}.notification-filter-button{padding:var(--spacing-sm) var(--spacing-lg);background:transparent;border:var(--glass-border-standard);border-radius:var(--border-radius-sm);color:var(--text-secondary);font-size:14px;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.notification-filter-button:hover{background:rgba(103,126,234,.1);border-color:#667eea}.notification-filter-active{background:var(--primary-gradient);color:#fff;border-color:transparent}.notification-type-filter{padding:var(--spacing-sm) var(--spacing-md);background:transparent;border:var(--glass-border-standard);border-radius:var(--border-radius-sm);color:var(--text-primary);font-size:14px;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.notification-type-filter:hover{border-color:#667eea}.notification-type-filter:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px rgba(102,126,234,.1)}.notification-bulk-actions{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg);border-radius:var(--border-radius);margin-bottom:var(--spacing-lg);background:rgba(102,126,234,.1)}.notification-bulk-selected{font-size:15px;font-weight:600;color:#667eea}.notification-bulk-buttons{display:flex;gap:var(--spacing-sm)}.notification-bulk-button{padding:var(--spacing-sm) var(--spacing-md);background:#fff;border:none;border-radius:var(--border-radius-sm);color:var(--text-primary);font-size:14px;font-weight:600;cursor:pointer;transition:all 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var(--transition-normal);cursor:pointer}.notification-card:hover{transform:translateY(-2px);box-shadow:var(--glass-shadow-card)}.notification-card-unread{background:linear-gradient(135deg,rgba(102,126,234,.1),rgba(118,75,162,.05))}.notification-card-selected{border:2px solid #667eea;padding:calc(var(--spacing-lg) - 1px)}.notification-card-checkbox input[type=checkbox]{width:18px;height:18px;cursor:pointer}.notification-card-icon{font-size:32px;flex-shrink:0}.notification-card-content{flex:1 1;min-width:0}.notification-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-sm)}.notification-card-title{font-size:17px;font-weight:700;color:var(--text-primary);margin:0}.notification-card-unread-badge{padding:4px 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var(--transition-fast)}.notification-card-action-button:hover{background:rgba(103,126,234,.2);transform:scale(1.1)}.notification-card-delete{background:hsla(0,100%,71%,.1)}.notification-card-delete:hover{background:hsla(0,100%,71%,.2)}.notification-action-icon{width:18px;height:18px;color:var(--text-primary)}.notification-empty-center{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-xl) * 2;border-radius:var(--border-radius);text-align:center}.notification-empty-icon-large{font-size:80px;margin-bottom:var(--spacing-lg);opacity:.6}.notification-empty-center h2{font-size:24px;font-weight:700;color:var(--text-primary);margin:0 0 var(--spacing-sm) 0}.notification-empty-center .notification-empty-subtitle{font-size:16px;color:var(--text-secondary)}.notification-loading-center{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-xl) * 2;gap:var(--spacing-lg)}.notification-spinner-large{width:48px;height:48px;border:4px solid rgba(103,126,234,.2);border-top-color:#667eea;border-radius:50%;animation:spin .8s linear infinite}.notification-loading-center p{font-size:16px;color:var(--text-secondary);margin:0}.notification-pagination{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg);border-radius:var(--border-radius);margin-top:var(--spacing-lg)}.notification-pagination-button{padding:var(--spacing-md) var(--spacing-lg);background:var(--primary-gradient);color:#fff;border:none;border-radius:var(--border-radius-sm);font-size:15px;font-weight:600;cursor:pointer;transition:all var(--transition-normal)}.notification-pagination-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px rgba(102,126,234,.4)}.notification-pagination-button:disabled{opacity:.4;cursor:not-allowed}.notification-pagination-info{font-size:15px;color:var(--text-secondary);font-weight:600}@media (max-width:768px){.notification-dropdown{width:calc(100vw - 32px);max-width:420px}.notification-center{padding:var(--spacing-md)}.notification-center-header{align-items:flex-start}.notification-center-header,.notification-filters{flex-direction:column;gap:var(--spacing-md)}.notification-card{flex-direction:column}.notification-card-actions{flex-direction:row}}@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #667eea;outline-offset:2px}.notification-settings{max-width:900px;margin:0 auto;padding:var(--spacing-xl)}.notification-settings-header{padding:var(--spacing-xl);border-radius:var(--border-radius);margin-bottom:var(--spacing-lg);text-align:center}.notification-settings-title{font-size:32px;font-weight:800;color:var(--text-primary);margin:0 0 var(--spacing-sm) 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var(--transition-normal)}.notification-setting-card:hover{background:hsla(0,0%,100%,.8);transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.12)}.notification-setting-icon{font-size:32px;flex-shrink:0}.notification-setting-info{flex:1 1;min-width:0}.notification-setting-title{font-size:16px;font-weight:700;color:var(--text-primary);margin:0 0 var(--spacing-xs) 0}.notification-setting-description{font-size:13px;color:var(--text-secondary);margin:0;line-height:1.4}.notification-setting-badge{display:inline-block;padding:2px 8px;background:var(--primary-gradient);color:#fff;font-size:11px;font-weight:700;border-radius:8px;margin-left:var(--spacing-xs);text-transform:uppercase;letter-spacing:.5px}.notification-toggle{position:relative;display:inline-block;width:52px;height:28px;flex-shrink:0}.notification-toggle input[type=checkbox]{opacity:0;width:0;height:0}.notification-toggle-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#cbd5e0;transition:var(--transition-normal);border-radius:14px}.notification-toggle-slider:before{position:absolute;content:"";height:20px;width:20px;left:4px;bottom:4px;background-color:#fff;transition:var(--transition-normal);border-radius:50%;box-shadow:0 2px 4px rgba(0,0,0,.2)}.notification-toggle input:checked+.notification-toggle-slider{background:var(--primary-gradient)}.notification-toggle input:focus+.notification-toggle-slider{box-shadow:0 0 0 3px rgba(102,126,234,.2)}.notification-toggle input:checked+.notification-toggle-slider:before{transform:translateX(24px)}.notification-toggle 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p,.push-notification-prompt-description,.push-notification-unsupported p{font-size:16px;color:var(--text-secondary);line-height:1.6;margin:0 0 var(--spacing-lg) 0}.push-notification-instructions{margin-top:var(--spacing-xl);padding:var(--spacing-lg);background:rgba(102,126,234,.05);border-radius:var(--border-radius-sm);text-align:left}.push-notification-instructions p{font-size:14px;color:var(--text-secondary);margin:var(--spacing-sm) 0;line-height:1.5}.push-notification-features{display:flex;justify-content:center;gap:var(--spacing-xl);margin:var(--spacing-xl) 0;flex-wrap:wrap}.push-notification-feature{display:flex;align-items:center;gap:var(--spacing-sm);font-size:14px;color:var(--text-secondary);font-weight:600}.push-notification-feature-icon{font-size:20px}.push-notification-illustration{margin-bottom:var(--spacing-xl)}.push-notification-illustration-svg{width:120px;height:120px;margin:0 auto;color:#667eea;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.push-notification-benefits{display:flex;flex-direction:column;gap:var(--spacing-lg);margin:var(--spacing-xl) 0;text-align:left}.push-notification-benefit{display:flex;gap:var(--spacing-md);padding:var(--spacing-lg);background:hsla(0,0%,100%,.5);border-radius:var(--border-radius-sm);transition:all var(--transition-normal)}.push-notification-benefit:hover{background:hsla(0,0%,100%,.8);transform:translateX(4px)}.push-notification-benefit-icon{font-size:32px;flex-shrink:0}.push-notification-benefit-info{flex:1 1}.push-notification-benefit-info h4{font-size:16px;font-weight:700;color:var(--text-primary);margin:0 0 var(--spacing-xs) 0}.push-notification-benefit-info p{font-size:14px;color:var(--text-secondary);margin:0}.push-notification-button{display:flex;align-items:center;justify-content:center;gap:var(--spacing-md);padding:var(--spacing-lg) var(--spacing-xl);border:none;border-radius:var(--border-radius-sm);font-size:16px;font-weight:700;cursor:pointer;transition:all var(--transition-normal);min-width:250px;margin:0 auto}.push-notification-button-primary{background:var(--primary-gradient);color:#fff}.push-notification-button-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 16px rgba(102,126,234,.4)}.push-notification-button-secondary{background:transparent;color:var(--text-secondary);border:2px solid var(--glass-edge-standard,hsla(0,0%,100%,.12))}.push-notification-button-secondary:hover:not(:disabled){border-color:#ef4444;color:#ef4444;background:rgba(239,68,68,.05)}.push-notification-button:disabled{opacity:.6;cursor:not-allowed}.push-notification-button-icon{width:20px;height:20px}.push-notification-privacy{font-size:13px;color:var(--text-muted);margin:var(--spacing-lg) 0 0;text-align:center}.push-notification-error{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-lg);background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);border-radius:var(--border-radius-sm);margin-top:var(--spacing-lg);color:#ef4444}@media (max-width:768px){.notification-settings{padding:var(--spacing-md)}.notification-settings-grid{grid-template-columns:1fr}.notification-settings-section,.push-notification-setup{padding:var(--spacing-lg)}.push-notification-features{flex-direction:column;gap:var(--spacing-md)}.push-notification-button{min-width:100%}}