/* Admin Panel Specific CSS */

.admin-body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Admin Sidebar */
.admin-sidebar {
    background: linear-gradient(180deg, #343a40 0%, #495057 100%);
    min-height: 100vh;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 250px;
    left: 0;
    top: 0;
    z-index: 1000;
}

.admin-sidebar .nav-link {
    color: #adb5bd;
    padding: 15px 20px;
    margin: 2px 10px;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
    display: flex;
    align-items: center;
}

.admin-sidebar .nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    transform: translateX(5px);
}

.admin-sidebar .nav-link.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 8px rgba(0, 123, 255, 0.3);
}

.admin-sidebar .nav-link i {
    width: 20px;
    text-align: center;
}

.admin-sidebar .badge {
    margin-left: auto;
    font-size: 11px;
}

/* Admin Content */
.admin-content {
    margin-left: 250px;
    padding: 30px;
    min-height: 100vh;
}

@media (max-width: 768px) {
    .admin-sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }
    
    .admin-content {
        margin-left: 0;
    }
}

/* Admin Cards */
.stats-card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
    height: 100%;
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.stats-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 5px;
}

.stats-card .text-muted {
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Tables */
.table-custom {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border: none;
}

.table-custom th {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    color: white;
    font-weight: 600;
    border: none;
    padding: 18px 15px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table-custom td {
    padding: 15px;
    border-color: #f1f3f4;
    vertical-align: middle;
}

.table-custom tbody tr {
    transition: all 0.3s ease;
}

.table-custom tbody tr:hover {
    background-color: #f8f9fa;
    transform: scale(1.01);
}

/* Message Preview */
.message-preview {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Activity Items */
.activity-item {
    padding: 15px;
    background: white;
    border-radius: 10px;
    margin-bottom: 10px;
    border-left: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.activity-item:hover {
    transform: translateX(5px);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.activity-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
}

.activity-title {
    font-weight: 600;
    color: #333;
    margin-bottom: 2px;
}

.activity-time {
    font-size: 12px;
    color: #6c757d;
}

/* Forms */
.form-control {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    padding: 12px 15px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-select {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    padding: 12px 15px;
}

.form-label {
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

/* Buttons */
.btn {
    border-radius: 10px;
    padding: 10px 20px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn-group-sm .btn {
    padding: 6px 12px;
    font-size: 12px;
}

/* Badges */
.badge {
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 20px;
}

/* Modals */
.modal-content {
    border-radius: 15px;
    border: none;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    color: white;
    border-radius: 15px 15px 0 0;
    padding: 20px;
}

.modal-title {
    font-weight: 600;
}

.modal-body {
    padding: 30px;
}

.modal-footer {
    padding: 20px 30px;
    border-top: 1px solid #e9ecef;
}

/* Dashboard Charts (if you add charts later) */
.chart-container {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    height: 300px;
}

/* Status Indicators */
.status-online {
    color: #28a745;
}

.status-offline {
    color: #dc3545;
}

.status-warning {
    color: #ffc107;
}

/* Progress Bars */
.progress {
    height: 8px;
    border-radius: 10px;
    background-color: #e9ecef;
}

.progress-bar {
    border-radius: 10px;
}

/* File Upload Areas */
.file-upload-area {
    border: 2px dashed #dee2e6;
    border-radius: 15px;
    padding: 40px;
    text-align: center;
    background: #f8f9fa;
    transition: all 0.3s ease;
    cursor: pointer;
}

.file-upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(0, 123, 255, 0.05);
}

.file-upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(0, 123, 255, 0.1);
    transform: scale(1.02);
}

/* Alerts */
.alert {
    border-radius: 10px;
    border: none;
    padding: 15px 20px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.alert-info {
    background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
    color: #0c5460;
}

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
}

.alert-warning {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    color: #856404;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
}

/* Loading States */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 15px;
    z-index: 10;
}

.spinner-border {
    width: 3rem;
    height: 3rem;
}

/* Responsive Adjustments */
@media (max-width: 992px) {
    .admin-content {
        padding: 20px;
    }
    
    .stats-card {
        margin-bottom: 20px;
    }
}

@media (max-width: 576px) {
    .admin-content {
        padding: 15px;
    }
    
    .stats-number {
        font-size: 2rem;
    }
    
    .table-responsive {
        border-radius: 10px;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 14px;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .admin-body {
        background-color: #1a1a1a;
        color: #ffffff;
    }
    
    .stats-card,
    .table-custom,
    .activity-item {
        background: #2d2d2d;
        border-color: #404040;
    }
    
    .form-control,
    .form-select {
        background-color: #2d2d2d;
        border-color: #404040;
        color: #ffffff;
    }
    
    .modal-content {
        background-color: #2d2d2d;
        color: #ffffff;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0056b3 100%);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #0056b3 0%, var(--primary-color) 100%);
}

/* Animation Classes */
.fade-in-up {
    animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in-left {
    animation: slideInLeft 0.5s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Notification Badges */
.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #dc3545;
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}