/* Notification Board Styles */
.notification-board {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    position: relative;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.notification-board-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #e0e0e0;
}

.notification-board-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.notification-controls {
    display: flex;
    gap: 10px;
}

.notification-pause-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 8px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.notification-pause-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.notification-board-content {
    max-height: calc(100% - 60px);
    overflow-y: auto;
    padding: 0;
    position: relative;
}

.notification-board-content::-webkit-scrollbar {
    width: 6px;
}

.notification-board-content::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.notification-board-content::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.notification-board-content::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Notification Item Styles */
.notification-item {
    display: flex;
    align-items: flex-start;
    padding: 0;
    border-bottom: 1px solid #f0f0f0;
    transition: all 0.3s ease;
    position: relative;
}

.notification-item:last-child {
    border-bottom: none;
}

.notification-link {
    display: flex;
    align-items: flex-start;
    width: 100%;
    padding: 15px 20px;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.notification-link:hover {
    text-decoration: none;
    color: inherit;
}

.notification-item:hover .notification-link {
    background-color: #f8f9fa;
    transform: translateX(2px);
}

/* Notification Type Colors */
.notification-item.notification-info {
    border-left: 4px solid #17a2b8;
}

.notification-item.notification-success {
    border-left: 4px solid #28a745;
}

.notification-item.notification-warning {
    border-left: 4px solid #ffc107;
}

.notification-item.notification-error {
    border-left: 4px solid #dc3545;
}

/* Notification Icon */
.notification-icon {
    margin-right: 15px;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: #f8f9fa;
}

.notification-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.notification-default-icon {
    font-size: 20px;
    color: #6c757d;
}

.notification-info .notification-icon {
    background: #d1ecf1;
}

.notification-info .notification-default-icon {
    color: #17a2b8;
}

.notification-success .notification-icon {
    background: #d4edda;
}

.notification-success .notification-default-icon {
    color: #28a745;
}

.notification-warning .notification-icon {
    background: #fff3cd;
}

.notification-warning .notification-default-icon {
    color: #ffc107;
}

.notification-error .notification-icon {
    background: #f8d7da;
}

.notification-error .notification-default-icon {
    color: #dc3545;
}

/* Notification Content */
.notification-content {
    flex: 1;
    min-width: 0;
}

.notification-title {
    margin: 0 0 8px 0;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
}

.notification-title {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.notification-external-link {
    font-size: 12px;
    color: #6c757d;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.notification-item:hover .notification-external-link {
    opacity: 1;
}

.notification-link:hover .notification-title {
    color: #007cba;
}

.notification-excerpt {
    margin: 0 0 10px 0;
    color: #6c757d;
    font-size: 14px;
    line-height: 1.5;
}

.notification-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    color: #6c757d;
}

.notification-date {
    font-weight: 500;
}

.notification-priority-badge {
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 10px;
}

.notification-priority-badge.priority-low {
    background: #e9ecef;
    color: #6c757d;
}

.notification-priority-badge.priority-medium {
    background: #fff3cd;
    color: #856404;
}

.notification-priority-badge.priority-high {
    background: #f8d7da;
    color: #721c24;
}

/* Notification List Styles */
.notification-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.notification-list.notification-layout-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.notification-list .notification-item {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    overflow: hidden;
}

.notification-list .notification-link {
    padding: 20px;
    display: block;
}

.notification-list .notification-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

/* Empty State */
.notification-board-empty,
.notification-list-empty {
    text-align: center;
    padding: 40px 20px;
    color: #6c757d;
    font-style: italic;
}

/* Auto-scroll Animation */
.notification-board-content.auto-scroll {
    animation: scroll-up 20s linear infinite;
}

@keyframes scroll-up {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-100%);
    }
}

.notification-board-content.auto-scroll.paused {
    animation-play-state: paused;
}

/* Responsive Design */
@media (max-width: 768px) {
    .notification-board-header {
        padding: 12px 15px;
    }
    
    .notification-board-header h3 {
        font-size: 16px;
    }
    
    .notification-item {
        padding: 12px 15px;
    }
    
    .notification-icon {
        width: 35px;
        height: 35px;
        margin-right: 12px;
    }
    
    .notification-default-icon {
        font-size: 18px;
    }
    
    .notification-title {
        font-size: 15px;
    }
    
    .notification-excerpt {
        font-size: 13px;
    }
    
    .notification-list.notification-layout-grid {
        grid-template-columns: 1fr;
    }
}

/* Loading Animation */
.notification-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.notification-loading::after {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #007cba;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Click Animation */
.notification-item.clicked {
    transform: scale(0.98);
    transition: transform 0.1s ease;
}