/**
 * SAW Admin - App Header
 * @package SAW_Visitors
 * @version 4.0.0
 */

/* ============================================
   HEADER CONTAINER
   ============================================ */
.sa-app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 15px;
    z-index: 1000;
    
    background: linear-gradient(
        90deg,
        #0a2540 0%,
        #0d3a5c 50%,
        #005A8C 100%
    );
    
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.15),
        0 1px 0 rgba(255, 255, 255, 0.05);
}

/* ============================================
   HEADER LEFT
   ============================================ */
.sa-header-left {
    display: flex;
    align-items: center;
    gap: var(--saw-space-4);
    flex: 1;
    min-width: 0;
}

.sa-app-logo {
    display: none !important;
}

/* ============================================
   PAGE TITLE
   ============================================ */
.sa-page-title {
    margin: 0;
    padding: 0 var(--saw-space-4, 16px);
    
    font-family: var(--saw-font-heading, 'Oswald', system-ui, sans-serif);
    font-size: 1.35rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    
    background: linear-gradient(
        135deg,
        #ffffff 0%,
        #e0f2fe 50%,
        #7dd3fc 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    
    filter: drop-shadow(0 0 8px rgba(125, 211, 252, 0.4))
            drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
    
    transition: filter 0.3s ease, transform 0.3s ease;
    
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-shrink: 0;
}

.sa-page-title:hover {
    filter: drop-shadow(0 0 12px rgba(125, 211, 252, 0.6))
            drop-shadow(0 2px 6px rgba(0, 0, 0, 0.4));
    transform: translateY(-1px);
}

/* ============================================
   MOBILE MENU TOGGLE
   ============================================ */
.sa-mobile-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    border-radius: var(--saw-radius-md);
    transition: all var(--saw-transition-fast);
    flex-shrink: 0;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.sa-mobile-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

@media (max-width: 1024px) {
    .sa-mobile-menu-toggle {
        display: flex;
    }
}

/* ============================================
   HEADER RIGHT
   ============================================ */
.sa-header-right {
    display: flex;
    align-items: center;
    gap: var(--saw-space-2);
    flex-shrink: 0;
    margin-right: 0;
    padding-right: 0 !important;
}

/* ============================================
   RESPONSIVE - TABLET
   ============================================ */
@media (max-width: 1024px) {
    .sa-app-header {
        padding: 0 var(--saw-space-3);
    }
}

/* ============================================
   RESPONSIVE - MOBILE
   ============================================ */
@media (max-width: 768px) {
    .sa-app-header {
        padding: 0 var(--saw-space-3);
    }
    
    .sa-header-left {
        gap: var(--saw-space-2);
        min-width: 0;
        flex: 0 1 auto;
    }
    
    .sa-header-right {
        gap: var(--saw-space-1);
        flex-shrink: 0;
    }
    
    .sa-page-title {
        font-size: 1.1rem;
        letter-spacing: 0.12em;
        padding: 0 var(--saw-space-2, 8px);
        filter: drop-shadow(0 0 6px rgba(125, 211, 252, 0.3))
                drop-shadow(0 1px 3px rgba(0, 0, 0, 0.2));
    }
    
    .sa-page-title:hover {
        transform: none;
    }
    
    .sa-switcher-info {
        display: none;
    }
    
    .sa-user-menu-toggle {
        padding: 6px;
        gap: 0;
    }
    
    .sa-user-info {
        display: none !important;
    }
    
    .sa-user-arrow {
        display: none !important;
    }
    
    .sa-user-avatar {
        width: 36px;
        height: 36px;
    }
    
    .sa-language-code {
        display: none;
    }
    
    .sa-language-switcher-button {
        padding: 6px;
        min-width: 40px;
        justify-content: center;
    }
    
    .sa-notifications-toggle {
        width: 36px;
        height: 36px;
    }
}

/* ============================================
   RESPONSIVE - SMALL MOBILE
   ============================================ */
@media (max-width: 480px) {
    .sa-app-header {
        padding: 0 var(--saw-space-2);
    }
    
    .sa-header-left {
        gap: var(--saw-space-1);
    }
    
    .sa-mobile-menu-toggle {
        width: 36px;
        height: 36px;
    }
}

/* ============================================
   USER MENU
   ============================================ */
.sa-user-menu {
    position: relative;
}

.sa-user-menu-toggle {
    display: flex;
    align-items: center;
    gap: var(--saw-space-3);
    padding: 6px 12px 6px 6px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--saw-radius-lg);
    cursor: pointer;
    transition: all var(--saw-transition-fast);
    min-width: 0;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.sa-user-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

.sa-user-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, rgba(96, 208, 255, 0.3) 0%, rgba(0, 168, 232, 0.3) 100%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    border-radius: var(--saw-radius-md);
    font-size: 14px;
    font-weight: var(--saw-font-semibold);
    flex-shrink: 0;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.sa-user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    min-width: 0;
}

.sa-user-name {
    font-size: var(--saw-text-sm);
    font-weight: var(--saw-font-semibold);
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
}

.sa-user-role {
    font-size: var(--saw-text-xs);
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.2;
}

.sa-user-arrow {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: rgba(255, 255, 255, 0.6);
    transition: transform var(--saw-transition-fast), color var(--saw-transition-fast);
}

.sa-user-menu-toggle:hover .sa-user-arrow {
    color: rgba(255, 255, 255, 0.95);
}

.sa-user-menu-toggle[aria-expanded="true"] .sa-user-arrow {
    transform: rotate(180deg);
}

/* ============================================
   USER DROPDOWN
   ============================================ */
.sa-user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 300px;
    background: rgba(10, 37, 64, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--saw-radius-lg);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 8px 16px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    display: none;
    z-index: 1001;
    overflow: hidden;
    padding: var(--saw-space-1);
}

.sa-user-dropdown--active {
    display: block;
    animation: saDropdownFadeIn 0.2s ease;
}

@keyframes saDropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.sa-user-dropdown-header {
    display: flex;
    align-items: center;
    gap: var(--saw-space-3);
    padding: var(--saw-space-4);
    border-radius: var(--saw-radius-md);
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--saw-space-1);
}

.sa-user-dropdown-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(96, 208, 255, 0.3) 0%, rgba(0, 168, 232, 0.3) 100%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    border-radius: var(--saw-radius-md);
    font-size: 18px;
    font-weight: var(--saw-font-semibold);
    flex-shrink: 0;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.sa-user-dropdown-info {
    flex: 1;
    min-width: 0;
}

.sa-user-dropdown-name {
    font-size: var(--saw-text-base);
    font-weight: var(--saw-font-semibold);
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sa-user-dropdown-email {
    font-size: var(--saw-text-sm);
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sa-user-dropdown-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: var(--saw-space-2) 0;
}

.sa-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--saw-space-3);
    padding: var(--saw-space-3) var(--saw-space-4);
    margin: 2px 0;
    border-radius: var(--saw-radius-md);
    color: rgba(255, 255, 255, 0.95);
    text-decoration: none;
    transition: all var(--saw-transition-fast);
    font-size: var(--saw-text-sm);
    font-weight: var(--saw-font-medium);
    background: transparent;
}

.sa-dropdown-item:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    transform: translateX(2px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.sa-dropdown-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--saw-transition-fast), transform var(--saw-transition-fast);
}

.sa-dropdown-item:hover svg {
    color: rgba(255, 255, 255, 0.95);
    transform: scale(1.1);
}

.sa-dropdown-item--danger {
    color: rgba(239, 68, 68, 0.9);
}

.sa-dropdown-item--danger:hover {
    background: rgba(239, 68, 68, 0.25);
    color: #ef4444;
    border-left: 3px solid rgba(239, 68, 68, 0.5);
    padding-left: calc(var(--saw-space-4) - 3px);
}

.sa-dropdown-item--danger svg {
    color: rgba(239, 68, 68, 0.9);
}

/* ============================================
   NOTIFICATIONS
   ============================================ */
.sa-notifications {
    position: relative;
    display: flex;
    align-items: center;
}

.sa-notifications-toggle {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--saw-radius-md);
    cursor: pointer;
    color: rgba(255, 255, 255, 0.8);
    transition: all var(--saw-transition-fast);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.sa-notifications-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

.sa-notifications-toggle svg {
    width: 22px;
    height: 22px;
    display: block;
}

.sa-notifications-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--saw-danger);
    color: #ffffff;
    font-size: 11px;
    font-weight: var(--saw-font-semibold);
    line-height: 18px;
    text-align: center;
    border-radius: 9px;
}

.sa-notifications-dropdown {
    position: fixed;
    top: calc(var(--saw-header-height, 60px) + 8px);
    right: 80px;
    width: 380px;
    max-height: 520px;
    background: rgba(10, 37, 64, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--saw-radius-lg);
    box-shadow: 
        0 10px 25px rgba(0, 0, 0, 0.3),
        0 4px 10px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    z-index: 9999;
    overflow: hidden;
    display: none;
}

.sa-notifications-dropdown--active {
    display: block;
}

.sa-notifications-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--saw-space-4) var(--saw-space-5);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
}

.sa-notifications-header-title {
    display: flex;
    align-items: center;
    gap: var(--saw-space-2);
    margin: 0;
    font-size: var(--saw-text-base);
    font-weight: var(--saw-font-semibold);
    color: rgba(255, 255, 255, 0.95);
}

.sa-notifications-header-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    background: var(--saw-brand-600);
    color: #ffffff;
    font-size: var(--saw-text-xs);
    font-weight: var(--saw-font-semibold);
    border-radius: 11px;
}

.sa-notifications-list {
    overflow-y: auto;
    max-height: 400px;
    padding: 0 var(--saw-space-5);
}

.sa-notifications-content {
    flex: 1;
    min-width: 0;
}

.sa-notification-item {
    display: flex;
    gap: var(--saw-space-3);
    padding: var(--saw-space-4) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    cursor: pointer;
    transition: background var(--saw-transition-fast);
}

.sa-notification-item:hover {
    background: rgba(255, 255, 255, 0.08);
}

.sa-notification-item--unread {
    background: rgba(96, 208, 255, 0.15);
    margin: 0 calc(-1 * var(--saw-space-5));
    padding-left: var(--saw-space-5);
    padding-right: var(--saw-space-5);
    border-left: 3px solid rgba(96, 208, 255, 0.5);
}

.sa-notification-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--saw-radius-lg);
    font-size: 18px;
    flex-shrink: 0;
}

.sa-notification-content {
    flex: 1;
    min-width: 0;
}

.sa-notification-title {
    margin: 0 0 4px;
    font-size: var(--saw-text-sm);
    font-weight: var(--saw-font-medium);
    color: rgba(255, 255, 255, 0.95);
}

.sa-notification-title--unread {
    font-weight: var(--saw-font-semibold);
    color: #ffffff;
}

.sa-notification-message {
    margin: 0 0 6px;
    font-size: var(--saw-text-sm);
    color: rgba(255, 255, 255, 0.7);
}

.sa-notification-time {
    font-size: var(--saw-text-xs);
    color: rgba(255, 255, 255, 0.5);
}