/**
 * NOTIFICATION SYSTEM IMPROVEMENTS
 * Industry-standard notification placement and styling
 */

/* ==================== HEADER NOTIFICATION BELL (INDUSTRY STANDARD) ==================== */

/* Enhanced header actions container */
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.notification-bell-wrapper {
    position: relative;
    display: inline-flex;
}

/* Improved notification bell button */
.notification-bell-btn {
    position: relative;
    background: none;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--gray-600);
    transition: all 0.2s ease;
    font-size: 20px;
}

.notification-bell-btn:hover {
    background: var(--gray-100);
    color: var(--gray-800);
    transform: scale(1.05);
}

.notification-bell-btn:active {
    transform: scale(0.95);
}

/* Enhanced notification badge */
.notification-bell-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background: #ef4444;
    color: white;
    border-radius: 12px;
    padding: 2px 6px;
    font-size: 11px;
    font-weight: 700;
    min-width: 20px;
    height: 20px;
    text-align: center;
    display: none;
    line-height: 16px;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    animation: pulse 2s infinite;
}

.notification-bell-badge.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Pulse animation for new notifications */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
    }
}

/* Bell shake animation for new notifications */
@keyframes bellShake {
    0%, 100% { transform: rotate(0deg); }
    10%, 30%, 50%, 70%, 90% { transform: rotate(-10deg); }
    20%, 40%, 60%, 80% { transform: rotate(10deg); }
}

.notification-bell-btn.has-new {
    animation: bellShake 0.5s ease-in-out;
}

/* ==================== TOAST NOTIFICATIONS (REAL-TIME ALERTS) ==================== */

/* Toast container */
.toast-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 400px;
    pointer-events: none;
}

/* Toast notification */
.toast-notification {
    background: white;
    border-radius: 12px;
    padding: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    min-width: 320px;
    max-width: 400px;
    pointer-events: auto;
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.toast-notification.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-notification.hide {
    transform: translateX(100%);
    opacity: 0;
}

/* Toast types */
.toast-notification.success {
    border-left: 4px solid #01DF8A;
}

.toast-notification.warning {
    border-left: 4px solid #f59e0b;
}

.toast-notification.error {
    border-left: 4px solid #ef4444;
}

.toast-notification.info {
    border-left: 4px solid #3b82f6;
}

/* Toast icon */
.toast-icon {
    font-size: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.toast-notification.success .toast-icon {
    color: #01DF8A;
}

.toast-notification.warning .toast-icon {
    color: #f59e0b;
}

.toast-notification.error .toast-icon {
    color: #ef4444;
}

.toast-notification.info .toast-icon {
    color: #3b82f6;
}

/* Toast content */
.toast-content {
    flex: 1;
    min-width: 0;
}

.toast-title {
    font-weight: 600;
    font-size: 14px;
    color: var(--gray-800);
    margin-bottom: 4px;
    line-height: 1.3;
}

.toast-message {
    font-size: 13px;
    color: var(--gray-600);
    line-height: 1.4;
}

.toast-time {
    font-size: 11px;
    color: var(--gray-400);
    margin-top: 4px;
}

/* Toast close button */
.toast-close {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s;
    flex-shrink: 0;
}

.toast-close:hover {
    background: var(--gray-100);
    color: var(--gray-600);
}

/* Toast progress bar */
.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: rgba(0, 0, 0, 0.1);
    width: 100%;
    overflow: hidden;
}

.toast-progress-bar {
    height: 100%;
    background: var(--primary);
    width: 100%;
    transform: translateX(-100%);
    animation: toastProgress 5s linear forwards;
}

@keyframes toastProgress {
    to {
        transform: translateX(0);
    }
}

/* ==================== NOTIFICATION DROPDOWN IMPROVEMENTS ==================== */

/* Enhanced notification dropdown */
.notification-dropdown {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    width: 380px;
    max-height: 500px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(0, 0, 0, 0.08);
    z-index: 1000;
    overflow: hidden;
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}

.notification-dropdown.show {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

/* Dropdown arrow */
.notification-dropdown::before {
    content: '';
    position: absolute;
    top: -8px;
    right: 20px;
    width: 16px;
    height: 16px;
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-bottom: none;
    border-right: none;
    transform: rotate(45deg);
}

/* Enhanced dropdown header */
.dropdown-header {
    padding: 20px 24px 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--gray-50);
}

.dropdown-header h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 0;
    color: var(--gray-800);
}

.mark-read-btn {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: 6px;
    transition: all 0.2s;
}

.mark-read-btn:hover {
    background: var(--primary-light);
}

/* Enhanced notification items */
.notification-item {
    padding: 16px 24px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.notification-item:hover {
    background: var(--gray-50);
}

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

.notification-item.unread {
    background: #f0f9ff;
    border-left: 4px solid var(--primary);
}

.notification-item.unread::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 20px;
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
}

/* Notification item icon */
.notification-item-icon {
    font-size: 16px;
    flex-shrink: 0;
    margin-top: 2px;
    width: 20px;
    text-align: center;
}

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

.notification-title {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 4px;
    color: var(--gray-800);
    line-height: 1.3;
}

.notification-message {
    font-size: 13px;
    color: var(--gray-600);
    margin-bottom: 6px;
    line-height: 1.4;
}

.notification-time {
    font-size: 12px;
    color: var(--gray-400);
}

/* Empty state */
.empty-state {
    padding: 60px 20px;
    text-align: center;
    color: var(--gray-500);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--gray-600);
}

.empty-state-message {
    font-size: 14px;
    color: var(--gray-500);
}

/* ==================== SIDEBAR NOTIFICATION IMPROVEMENTS ==================== */

/* Enhanced sidebar notification badge */
.notif-badge {
    background: #ef4444;
    color: white;
    border-radius: 12px;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 700;
    min-width: 20px;
    height: 20px;
    text-align: center;
    display: none;
    line-height: 16px;
    margin-left: auto;
}

.notif-badge.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==================== RESPONSIVE DESIGN ==================== */

@media (max-width: 768px) {
    .toast-container {
        top: 70px;
        right: 16px;
        left: 16px;
        max-width: none;
    }

    .toast-notification {
        min-width: auto;
        max-width: none;
    }

    .notification-dropdown {
        width: calc(100vw - 32px);
        right: -100px;
        max-width: 380px;
    }

    .notification-bell-btn {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .notification-dropdown {
        width: calc(100vw - 16px);
        right: -120px;
    }

    .toast-container {
        top: 60px;
        right: 8px;
        left: 8px;
    }
}

/* ==================== ACCESSIBILITY IMPROVEMENTS ==================== */

/* Focus states */
.notification-bell-btn:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.toast-close:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.notification-item:focus {
    outline: 2px solid var(--primary);
    outline-offset: -2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .notification-bell-badge {
        border-width: 3px;
    }

    .toast-notification {
        border-width: 2px;
    }

    .notification-dropdown {
        border-width: 2px;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .notification-bell-badge {
        animation: none;
    }

    .notification-bell-btn.has-new {
        animation: none;
    }

    .toast-notification {
        transition: opacity 0.2s ease;
    }

    .toast-progress-bar {
        animation: none;
    }
}

/* ==================== DARK MODE SUPPORT ==================== */

[data-theme="dark"] .toast-notification {
    background: var(--gray-800);
    border-color: var(--gray-700);
    color: var(--gray-100);
}

[data-theme="dark"] .toast-title {
    color: var(--gray-100);
}

[data-theme="dark"] .toast-message {
    color: var(--gray-300);
}

[data-theme="dark"] .notification-dropdown {
    background: var(--gray-800);
    border-color: var(--gray-700);
}

[data-theme="dark"] .notification-dropdown::before {
    background: var(--gray-800);
    border-color: var(--gray-700);
}

[data-theme="dark"] .dropdown-header {
    background: var(--gray-900);
    border-color: var(--gray-700);
}

[data-theme="dark"] .notification-item {
    border-color: var(--gray-700);
}

[data-theme="dark"] .notification-item:hover {
    background: var(--gray-700);
}

[data-theme="dark"] .notification-item.unread {
    background: rgba(59, 130, 246, 0.1);
}