/* Enhanced Notification System Styles */

/* Notification Bell Icon Styles */
.notification-bell {
    position: relative;
    transition: all 0.3s ease;
    padding: 0.5rem;
    border-radius: 50%;
}

.notification-bell:hover {
    background-color: rgba(0, 123, 255, 0.1);
    transform: scale(1.05);
}

.notification-icon {
    font-size: 1.25rem;
    color: #6c757d;
    transition: all 0.3s ease;
}

.notification-icon.has-notifications {
    color: #0d6efd;
    animation: bellShake 2s ease-in-out infinite;
}

.notification-bell:hover .notification-icon {
    color: #0d6efd;
}

/* Bell shake animation */
@keyframes bellShake {
    0%, 50%, 100% { 
        transform: rotate(0deg); 
    }
    10%, 30% { 
        transform: rotate(-10deg); 
    }
    20%, 40% { 
        transform: rotate(10deg); 
    }
}

/* Notification Badge Styles */
.notification-badge {
    min-width: 18px;
    height: 18px;
    font-size: 0.6rem !important;
    font-weight: 600;
    opacity: 0;
    transform: scale(0);
    transition: all 0.3s ease;
    z-index: 1000;
}

.notification-badge.show {
    opacity: 1;
    transform: scale(1);
}

.notification-badge.pulse {
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0% { 
        transform: scale(1); 
        box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.7); 
    }
    70% { 
        transform: scale(1.1); 
        box-shadow: 0 0 0 10px rgba(220, 53, 69, 0); 
    }
    100% { 
        transform: scale(1); 
        box-shadow: 0 0 0 0 rgba(220, 53, 69, 0); 
    }
}

/* Notification Ripple Effect */
.notification-ripple {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(0, 123, 255, 0.2);
    transform: translate(-50%, -50%);
    animation: ripple 2s ease-out infinite;
    pointer-events: none;
    opacity: 0;
}

.notification-bell:hover .notification-ripple {
    opacity: 1;
}

@keyframes ripple {
    0% {
        width: 0;
        height: 0;
        opacity: 0.8;
    }
    100% {
        width: 50px;
        height: 50px;
        opacity: 0;
    }
}

/* Notification Dropdown Styles */
.notification-dropdown {
    border-radius: 12px !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12) !important;
    overflow: hidden;
    animation: dropdownSlideIn 0.3s ease-out;
    max-height: 500px;
    overflow-y: auto;
}

@keyframes dropdownSlideIn {
    from {
        opacity: 0;
        transform: translateY(-10px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Notification Header */
.notification-header {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-bottom: 1px solid #dee2e6 !important;
}

.notification-actions .btn {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    transition: all 0.2s ease;
}

.notification-actions .btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Notification List Container */
.notification-list-container {
    max-height: 400px;
    overflow-y: auto;
}

.notification-list-container::-webkit-scrollbar {
    width: 4px;
}

.notification-list-container::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.notification-list-container::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 10px;
}

.notification-list-container::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Notification Item Styles */
.notification-item-wrapper {
    list-style: none;
    margin: 0;
    padding: 0;
}

.notification-item {
    position: relative;
    border: none !important;
    border-radius: 0;
    transition: all 0.2s ease;
    cursor: pointer;
    overflow: hidden;
}

.notification-item:hover {
    background-color: #f8f9fa !important;
    transform: translateX(2px);
    box-shadow: inset 4px 0 0 #0d6efd;
}

.notification-item.loading-notification {
    opacity: 0.6;
    pointer-events: none;
}

.notification-item.loading-notification::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    animation: shimmer 1.5s ease-in-out infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Unread Notification Styles */
.unread-notification {
    background-color: rgba(13, 110, 253, 0.05) !important;
    border-left: 4px solid #0d6efd;
}

.unread-notification::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(13, 110, 253, 0.1), transparent);
    animation: unreadGlow 3s ease-in-out infinite;
    pointer-events: none;
}

@keyframes unreadGlow {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

/* Read Notification Styles */
.read-notification {
    opacity: 0.8;
}

/* Unread Indicator */
.unread-indicator {
    top: 12px;
    left: 8px;
    width: 8px;
    height: 8px;
    background: #0d6efd;
    border-radius: 50%;
    z-index: 10;
    animation: unreadPulse 2s ease-in-out infinite;
}

@keyframes unreadPulse {
    0% { 
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(13, 110, 253, 0.7);
    }
    70% { 
        transform: scale(1.1);
        box-shadow: 0 0 0 6px rgba(13, 110, 253, 0);
    }
    100% { 
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(13, 110, 253, 0);
    }
}

/* Notification Icon Wrapper */
.notification-icon-wrapper {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.notification-item:hover .notification-icon-wrapper {
    transform: scale(1.1);
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.notification-type-icon {
    font-size: 1rem;
    transition: all 0.3s ease;
}

.notification-item:hover .notification-type-icon {
    transform: scale(1.2);
}

/* Notification Content */
.notification-title {
    font-size: 0.9rem;
    line-height: 1.3;
    margin-bottom: 0.5rem;
    transition: color 0.2s ease;
}

.notification-item:hover .notification-title {
    color: #0d6efd !important;
}

.notification-message {
    font-size: 0.8rem;
    line-height: 1.4;
    margin-bottom: 0.5rem;
}

.notification-time {
    font-size: 0.75rem;
}

/* Notification Hover Overlay */
.notification-hover-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(13, 110, 253, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.notification-item:hover .notification-hover-overlay {
    opacity: 1;
}

/* Empty Notifications */
.empty-notifications .dropdown-item {
    pointer-events: none;
    color: #6c757d;
}

.empty-notifications i {
    display: block;
    margin: 0 auto 1rem;
    opacity: 0.5;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* Badge Styles */
.notification-item .badge {
    font-size: 0.65rem;
    padding: 0.25em 0.5em;
    animation: badgeAppear 0.3s ease-out;
}

@keyframes badgeAppear {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Toast Notifications */
.notification-toast {
    animation: toastSlideIn 0.3s ease-out;
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .notification-dropdown {
        width: 320px !important;
        max-width: calc(100vw - 2rem);
        left: -280px !important;
    }
    
    .notification-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .notification-actions .btn {
        font-size: 0.7rem;
        padding: 0.2rem 0.6rem;
    }
    
    .notification-item {
        padding: 0.75rem !important;
    }
    
    .notification-icon-wrapper {
        width: 35px;
        height: 35px;
    }
    
    .notification-title {
        font-size: 0.85rem;
    }
    
    .notification-message {
        font-size: 0.75rem;
    }
}

@media (max-width: 576px) {
    .notification-dropdown {
        width: 280px !important;
        left: -250px !important;
    }
}

/* Loading States */
.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-right-color: transparent;
    animation: spin 0.75s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Accessibility Improvements */
.notification-bell:focus,
.notification-item:focus {
    outline: 2px solid #0d6efd;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .notification-item {
        border: 1px solid #000 !important;
    }
    
    .notification-badge {
        border: 2px solid #fff;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .notification-bell,
    .notification-item,
    .notification-badge,
    .notification-icon,
    .notification-type-icon,
    .notification-hover-overlay {
        animation: none;
        transition: none;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .notification-dropdown {
        background: #2d3748;
        color: #fff;
    }
    
    .notification-header {
        background: linear-gradient(135deg, #4a5568 0%, #2d3748 100%);
        border-bottom-color: #4a5568 !important;
    }
    
    .notification-item:hover {
        background-color: #4a5568 !important;
    }
    
    .notification-icon-wrapper {
        background: #4a5568;
        border-color: #718096;
    }
    
    .notification-item:hover .notification-icon-wrapper {
        background: #2d3748;
    }
    
    .notification-title {
        color: #fff !important;
    }
    
    .notification-message {
        color: #cbd5e0;
    }
}