/* Ad-tlas Base Styles */

/* CSS Variables for consistent theming */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    
    --font-family-sans-serif: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 1rem;
    --line-height-base: 1.5;
    
    --border-radius: 0.375rem;
    --border-radius-sm: 0.25rem;
    --border-radius-lg: 0.5rem;
    
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --box-shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --box-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    
    --transition: all 0.15s ease-in-out;
    
    --sidebar-width: 280px;
    --navbar-height: 56px;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

html {
    height: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-sans-serif);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--dark-color);
    background-color: #ffffff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: var(--navbar-height);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

.text-muted {
    color: #6c757d !important;
}

/* Links */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: #0056b3;
    text-decoration: underline;
}

/* Layout Components */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - var(--navbar-height));
}

@media (min-width: 992px) {
    .main-content {
        margin-left: var(--sidebar-width);
    }
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem 0;
    margin-bottom: 2rem;
    box-shadow: var(--box-shadow);
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
}

.page-title i {
    margin-right: 0.75rem;
    font-size: 1.75rem;
}

.page-description {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 0;
}

/* Content Area */
.content {
    flex: 1;
    padding: 0;
}

/* Breadcrumb */
.breadcrumb-nav {
    background-color: var(--light-color);
    border-bottom: 1px solid #dee2e6;
    padding: 0.75rem 0;
}

.breadcrumb {
    margin-bottom: 0;
    background-color: transparent;
}

.breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb-item a:hover {
    text-decoration: underline;
}

/* Cards */
.card {
    border: 1px solid rgba(0, 0, 0, 0.125);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-sm);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--box-shadow);
    transform: translateY(-2px);
}

.card-header {
    background-color: var(--light-color);
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
    font-weight: 600;
}

.card-title {
    margin-bottom: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

/* Buttons */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    border-width: 1px;
}

.btn:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), #0056b3);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background: linear-gradient(45deg, #0056b3, #004085);
    border-color: #0056b3;
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(45deg, var(--success-color), #1e7e34);
    border-color: var(--success-color);
}

.btn-success:hover {
    background: linear-gradient(45deg, #1e7e34, #155724);
    border-color: #1e7e34;
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(45deg, var(--danger-color), #c82333);
    border-color: var(--danger-color);
}

.btn-danger:hover {
    background: linear-gradient(45deg, #c82333, #bd2130);
    border-color: #c82333;
    transform: translateY(-1px);
}

.btn-floating {
    border-radius: 50%;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--box-shadow-lg);
}

/* Forms */
.form-control {
    border-radius: var(--border-radius);
    border: 1px solid #ced4da;
    transition: var(--transition);
}

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

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-text {
    font-size: 0.875rem;
    color: var(--secondary-color);
}

/* Tables */
.table {
    margin-bottom: 0;
}

.table th {
    font-weight: 600;
    border-top: none;
    background-color: var(--light-color);
}

.table-hover tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.025);
}

.table-responsive {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-sm);
}

/* Alerts */
.alert {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: var(--box-shadow-sm);
}

.alert-primary {
    background: linear-gradient(45deg, rgba(0, 123, 255, 0.1), rgba(0, 123, 255, 0.05));
    color: #004085;
}

.alert-success {
    background: linear-gradient(45deg, rgba(40, 167, 69, 0.1), rgba(40, 167, 69, 0.05));
    color: #155724;
}

.alert-danger {
    background: linear-gradient(45deg, rgba(220, 53, 69, 0.1), rgba(220, 53, 69, 0.05));
    color: #721c24;
}

.alert-warning {
    background: linear-gradient(45deg, rgba(255, 193, 7, 0.1), rgba(255, 193, 7, 0.05));
    color: #856404;
}

.alert-info {
    background: linear-gradient(45deg, rgba(23, 162, 184, 0.1), rgba(23, 162, 184, 0.05));
    color: #0c5460;
}

/* Badges */
.badge {
    font-weight: 500;
    border-radius: var(--border-radius-sm);
}

/* Loading Spinner */
.loading-spinner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

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

/* Statistics Cards */
.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-lg);
}

.stat-card .stat-icon {
    font-size: 2.5rem;
    opacity: 0.8;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    margin: 0.5rem 0;
}

.stat-card .stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Chart Containers */
.chart-container {
    position: relative;
    height: 400px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-sm);
    padding: 1rem;
}

/* Data Tables */
.datatable-wrapper {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-sm);
    overflow: hidden;
}

.datatable-header {
    background-color: var(--light-color);
    padding: 1rem;
    border-bottom: 1px solid #dee2e6;
    display: flex;
    justify-content: between;
    align-items: center;
}

.datatable-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

.datatable-actions {
    display: flex;
    gap: 0.5rem;
}

/* Filters */
.filters-panel {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-sm);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.filters-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.filters-title i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

/* Status Indicators */
.status-indicator {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

.status-indicator.status-active {
    background-color: rgba(40, 167, 69, 0.1);
    color: #155724;
}

.status-indicator.status-inactive {
    background-color: rgba(108, 117, 125, 0.1);
    color: #495057;
}

.status-indicator.status-pending {
    background-color: rgba(255, 193, 7, 0.1);
    color: #856404;
}

.status-indicator.status-error {
    background-color: rgba(220, 53, 69, 0.1);
    color: #721c24;
}

.status-indicator::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.status-indicator.status-active::before {
    background-color: var(--success-color);
}

.status-indicator.status-inactive::before {
    background-color: var(--secondary-color);
}

.status-indicator.status-pending::before {
    background-color: var(--warning-color);
}

.status-indicator.status-error::before {
    background-color: var(--danger-color);
}

/* Progress Bars */
.progress {
    height: 0.75rem;
    border-radius: var(--border-radius);
    background-color: #e9ecef;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(45deg, var(--primary-color), #0056b3);
    transition: width 0.6s ease;
}

/* Tooltips */
.tooltip {
    font-size: 0.875rem;
}

.tooltip-inner {
    background-color: rgba(0, 0, 0, 0.9);
    border-radius: var(--border-radius-sm);
    padding: 0.5rem 0.75rem;
}

/* Modals */
.modal-content {
    border-radius: var(--border-radius-lg);
    border: none;
    box-shadow: var(--box-shadow-lg);
}

.modal-header {
    background-color: var(--light-color);
    border-bottom: 1px solid #dee2e6;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

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

/* Dropdowns */
.dropdown-menu {
    border-radius: var(--border-radius);
    border: 1px solid rgba(0, 0, 0, 0.15);
    box-shadow: var(--box-shadow);
}

.dropdown-item {
    transition: var(--transition);
}

.dropdown-item:hover {
    background-color: var(--light-color);
}

/* Pagination */
.pagination {
    margin-bottom: 0;
}

.page-link {
    border-radius: var(--border-radius-sm);
    margin: 0 0.125rem;
    border: 1px solid #dee2e6;
    color: var(--primary-color);
    transition: var(--transition);
}

.page-link:hover {
    background-color: var(--light-color);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.page-item.active .page-link {
    background: linear-gradient(45deg, var(--primary-color), #0056b3);
    border-color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 767.98px) {
    .page-header {
        padding: 1.5rem 0;
    }
    
    .page-title {
        font-size: 1.75rem;
    }
    
    .stat-card {
        margin-bottom: 1rem;
    }
    
    .chart-container {
        height: 300px;
    }
    
    .datatable-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .datatable-actions {
        justify-content: center;
    }
}

@media (max-width: 575.98px) {
    .page-title {
        font-size: 1.5rem;
    }
    
    .btn {
        font-size: 0.875rem;
        padding: 0.5rem 1rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .filters-panel {
        padding: 1rem;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --dark-color: #ffffff;
        --light-color: #2d3748;
    }
    
    body {
        background-color: #1a202c;
        color: var(--dark-color);
    }
    
    .card {
        background-color: #2d3748;
        border-color: #4a5568;
    }
    
    .form-control {
        background-color: #2d3748;
        border-color: #4a5568;
        color: var(--dark-color);
    }
    
    .table {
        color: var(--dark-color);
    }
    
    .table th {
        background-color: #4a5568;
        border-color: #4a5568;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .sidebar,
    .btn,
    .modal,
    .dropdown,
    .alert {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
        padding-top: 0 !important;
    }
    
    .page-header {
        background: none !important;
        color: black !important;
        box-shadow: none !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #000 !important;
    }
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus indicators */
.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .btn {
        border-width: 2px;
    }
    
    .card {
        border-width: 2px;
    }
    
    .form-control {
        border-width: 2px;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: var(--border-radius-sm);
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: var(--border-radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Selection */
::selection {
    background-color: rgba(0, 123, 255, 0.2);
    color: inherit;
}