/* 
 * AudioFlow Admin Panel Stylesheet
 * Professional admin interface with modern design
 */

/* CSS Variables */
:root {
    /* Brand Colors */
    --admin-primary: #6366f1;
    --admin-primary-dark: #4f46e5;
    --admin-primary-light: #818cf8;
    --admin-secondary: #0ea5e9;
    --admin-secondary-dark: #0284c7;
    --admin-accent: #f59e0b;
    --admin-accent-dark: #d97706;
    
    /* Status Colors */
    --admin-success: #10b981;
    --admin-success-dark: #059669;
    --admin-warning: #f59e0b;
    --admin-warning-dark: #d97706;
    --admin-danger: #ef4444;
    --admin-danger-dark: #dc2626;
    --admin-info: #06b6d4;
    --admin-info-dark: #0891b2;
    
    /* Background Colors */
    --admin-bg-primary: #0f172a;
    --admin-bg-secondary: #1e293b;
    --admin-bg-tertiary: #334155;
    --admin-bg-glass: rgba(255, 255, 255, 0.1);
    --admin-bg-glass-dark: rgba(0, 0, 0, 0.2);
    
    /* Text Colors */
    --admin-text-primary: #f8fafc;
    --admin-text-secondary: #cbd5e1;
    --admin-text-muted: #94a3b8;
    --admin-text-dark: #1e293b;
    
    /* Border Colors */
    --admin-border-light: rgba(255, 255, 255, 0.1);
    --admin-border-medium: rgba(255, 255, 255, 0.2);
    --admin-border-strong: rgba(255, 255, 255, 0.3);
    
    /* Shadow */
    --admin-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --admin-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --admin-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --admin-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Border Radius */
    --admin-radius-sm: 6px;
    --admin-radius-md: 12px;
    --admin-radius-lg: 16px;
    --admin-radius-xl: 24px;
    
    /* Spacing */
    --admin-space-xs: 0.25rem;
    --admin-space-sm: 0.5rem;
    --admin-space-md: 1rem;
    --admin-space-lg: 1.5rem;
    --admin-space-xl: 2rem;
    --admin-space-2xl: 3rem;
}

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

body {
    background: linear-gradient(135deg, var(--admin-bg-primary) 0%, var(--admin-bg-secondary) 100%);
    color: var(--admin-text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--admin-text-primary);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--admin-space-md);
}

.text-primary { color: var(--admin-primary) !important; }
.text-secondary { color: var(--admin-secondary) !important; }
.text-success { color: var(--admin-success) !important; }
.text-warning { color: var(--admin-warning) !important; }
.text-danger { color: var(--admin-danger) !important; }
.text-muted { color: var(--admin-text-muted) !important; }

/* Admin Layout */
.admin-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.admin-content {
    flex: 1;
    padding: var(--admin-space-xl);
}

/* Navigation */
.admin-navbar {
    background: linear-gradient(135deg, var(--admin-bg-primary), var(--admin-bg-secondary)) !important;
    border-bottom: 1px solid var(--admin-border-medium);
    box-shadow: var(--admin-shadow-lg);
    backdrop-filter: blur(20px);
    padding: var(--admin-space-md) 0;
    position: relative;
    z-index: 1050; /* Higher than page header */
}

.admin-navbar .navbar-brand {
    color: var(--admin-text-primary) !important;
    font-weight: 700;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: var(--admin-space-sm);
}

.admin-navbar .navbar-brand i {
    color: var(--admin-primary);
    font-size: 1.5rem;
}

.admin-navbar .nav-link {
    color: var(--admin-text-secondary) !important;
    font-weight: 500;
    padding: var(--admin-space-sm) var(--admin-space-md) !important;
    border-radius: var(--admin-radius-sm);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--admin-space-sm);
}

.admin-navbar .nav-link:hover {
    color: var(--admin-text-primary) !important;
    background: var(--admin-bg-glass);
    transform: translateY(-1px);
}

.admin-navbar .nav-link.active {
    color: var(--admin-primary) !important;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.admin-navbar .dropdown-menu {
    background: var(--admin-bg-secondary);
    border: 1px solid var(--admin-border-medium);
    border-radius: var(--admin-radius-md);
    box-shadow: var(--admin-shadow-xl);
    backdrop-filter: blur(20px);
    z-index: 1060; /* Higher than navbar */
    position: absolute;
    margin-top: 0.5rem;
}

.admin-navbar .dropdown-item {
    color: var(--admin-text-secondary);
    padding: var(--admin-space-sm) var(--admin-space-md);
    transition: all 0.2s ease;
}

.admin-navbar .dropdown-item:hover {
    background: var(--admin-bg-glass);
    color: var(--admin-text-primary);
}

/* Page Header - Redesigned Layout */
.admin-page-header {
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-secondary));
    color: white;
    padding: 0;
    margin-bottom: var(--admin-space-xl);
    position: relative;
    overflow: hidden;
    z-index: 1040; /* Lower than navbar and dropdown */
}

.admin-page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.admin-page-header .container-fluid {
    position: relative;
    z-index: 1;
}

/* Page Header Main Section (Title and Subtitle) */
.page-header-main {
    padding: var(--admin-space-2xl) 0 var(--admin-space-xl) 0;
}

.page-title-section {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.page-title {
    font-size: 3rem;
    font-weight: 800;
    margin: 0;
    line-height: 1.1;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    letter-spacing: -0.02em;
}

.page-subtitle {
    font-size: 1.25rem;
    font-weight: 400;
    margin: var(--admin-space-md) 0 0 0;
    opacity: 0.9;
    line-height: 1.4;
}

/* Page Header Breadcrumbs Section */
.page-header-breadcrumbs {
    background: rgba(0, 0, 0, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--admin-space-md) 0;
    backdrop-filter: blur(5px);
}

.page-header-breadcrumbs .breadcrumb {
    margin: 0;
    background: transparent;
    padding: 0;
    font-size: 0.95rem;
    justify-content: center;
}

.breadcrumb-item {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: rgba(255, 255, 255, 0.6);
    font-weight: 600;
    font-size: 1.1rem;
    margin: 0 var(--admin-space-sm);
}

.breadcrumb-item a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

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

.breadcrumb-item.active {
    color: white;
    font-weight: 600;
}

/* Responsive Design for Page Header */
@media (max-width: 768px) {
    .page-title {
        font-size: 2.25rem;
    }
    
    .page-subtitle {
        font-size: 1.1rem;
    }
    
    .page-header-main {
        padding: var(--admin-space-xl) 0 var(--admin-space-lg) 0;
    }
    
    .page-title-section {
        text-align: left;
    }
    
    .page-header-breadcrumbs .breadcrumb {
        justify-content: flex-start;
    }
}


.page-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin: var(--admin-space-sm) 0 0 0;
    font-weight: 400;
}

/* Breadcrumbs */
.breadcrumb {
    background: var(--admin-bg-glass);
    backdrop-filter: blur(10px);
    border-radius: var(--admin-radius-md);
    margin: 0;
    padding: var(--admin-space-sm) var(--admin-space-md);
    border: 1px solid var(--admin-border-light);
}

.breadcrumb-item {
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb-item.active {
    color: rgba(255, 255, 255, 0.6);
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: rgba(255, 255, 255, 0.5);
    font-weight: 600;
}

.breadcrumb a {
    color: white;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.breadcrumb a:hover {
    opacity: 0.8;
}

/* Cards */
.admin-card {
    background: var(--admin-bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--admin-border-medium);
    border-radius: var(--admin-radius-lg);
    padding: var(--admin-space-xl);
    box-shadow: var(--admin-shadow-lg);
    transition: all 0.3s ease;
    margin-bottom: var(--admin-space-xl);
}

.admin-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--admin-shadow-xl);
    border-color: var(--admin-border-strong);
}

.admin-card h3, .admin-card h4, .admin-card h5 {
    color: var(--admin-primary);
    margin-bottom: var(--admin-space-md);
    display: flex;
    align-items: center;
    gap: var(--admin-space-sm);
}

/* Statistics Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--admin-space-lg);
    margin-bottom: var(--admin-space-xl);
}

.stats-card {
    background: var(--admin-bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--admin-border-medium);
    border-radius: var(--admin-radius-lg);
    padding: var(--admin-space-xl);
    display: flex;
    align-items: center;
    gap: var(--admin-space-lg);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--admin-primary);
    transition: width 0.3s ease;
}

.stats-card:hover::before {
    width: 8px;
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--admin-shadow-xl);
    border-color: var(--admin-border-strong);
}

.stats-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

.stats-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.stats-card:hover .stats-icon::before {
    transform: translateX(100%);
}

.stats-icon.bg-primary { background: linear-gradient(45deg, var(--admin-primary), var(--admin-primary-light)); }
.stats-icon.bg-success { background: linear-gradient(45deg, var(--admin-success), #34d399); }
.stats-icon.bg-warning { background: linear-gradient(45deg, var(--admin-warning), #fbbf24); }
.stats-icon.bg-info { background: linear-gradient(45deg, var(--admin-info), #22d3ee); }

.stats-content {
    flex: 1;
}

.stats-content h3 {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0 0 var(--admin-space-xs) 0;
    color: var(--admin-text-primary);
    line-height: 1;
}

.stats-content p {
    margin: 0;
    color: var(--admin-text-secondary);
    font-weight: 500;
    font-size: 1.1rem;
}

.stats-content small {
    display: flex;
    align-items: center;
    gap: var(--admin-space-xs);
    margin-top: var(--admin-space-xs);
    font-weight: 600;
}

/* Forms */
.form-control {
    background: var(--admin-bg-glass);
    border: 1px solid var(--admin-border-medium);
    color: var(--admin-text-primary);
    border-radius: var(--admin-radius-sm);
    padding: var(--admin-space-sm) var(--admin-space-md);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--admin-primary);
    color: var(--admin-text-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    outline: none;
}

.form-control::placeholder {
    color: var(--admin-text-muted);
}

.form-label {
    color: var(--admin-text-primary);
    font-weight: 600;
    margin-bottom: var(--admin-space-sm);
    display: block;
}

.form-select {
    background: var(--admin-bg-glass);
    border: 1px solid var(--admin-border-medium);
    color: var(--admin-text-primary);
    border-radius: var(--admin-radius-sm);
    padding: var(--admin-space-sm) var(--admin-space-md);
}

.form-select:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--admin-primary);
    color: var(--admin-text-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-check-input {
    background-color: var(--admin-bg-glass);
    border-color: var(--admin-border-medium);
}

.form-check-input:checked {
    background-color: var(--admin-primary);
    border-color: var(--admin-primary);
}

/* Buttons */
.btn {
    border-radius: var(--admin-radius-sm);
    font-weight: 600;
    padding: var(--admin-space-sm) var(--admin-space-lg);
    transition: all 0.3s ease;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: var(--admin-space-sm);
    text-decoration: none;
    cursor: pointer;
}

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

.btn-primary {
    background: linear-gradient(45deg, var(--admin-primary), var(--admin-primary-light));
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(45deg, var(--admin-primary-dark), var(--admin-primary));
    color: white;
}

.btn-success {
    background: linear-gradient(45deg, var(--admin-success), #34d399);
    color: white;
}

.btn-warning {
    background: linear-gradient(45deg, var(--admin-warning), #fbbf24);
    color: white;
}

.btn-danger {
    background: linear-gradient(45deg, var(--admin-danger), #f87171);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(45deg, var(--admin-danger-dark), var(--admin-danger));
    transform: translateY(-2px);
    box-shadow: var(--admin-shadow-lg);
}

.btn-secondary {
    background: var(--admin-bg-tertiary);
    color: var(--admin-text-primary);
    border: 1px solid var(--admin-border-medium);
}

.btn-secondary:hover {
    background: var(--admin-bg-secondary);
    border-color: var(--admin-border-strong);
    transform: translateY(-2px);
    box-shadow: var(--admin-shadow-lg);
}

.btn-outline-primary {
    background: transparent;
    color: var(--admin-primary);
    border: 2px solid var(--admin-primary);
}

.btn-outline-primary:hover {
    background: var(--admin-primary);
    color: white;
}

.btn-outline-success {
    background: transparent;
    color: var(--admin-success);
    border: 2px solid var(--admin-success);
}

.btn-outline-success:hover {
    background: var(--admin-success);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--admin-shadow-lg);
}

.btn-outline-warning {
    background: transparent;
    color: var(--admin-warning);
    border: 2px solid var(--admin-warning);
}

.btn-outline-warning:hover {
    background: var(--admin-warning);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--admin-shadow-lg);
}

.btn-outline-danger {
    background: transparent;
    color: var(--admin-danger);
    border: 2px solid var(--admin-danger);
}

.btn-outline-danger:hover {
    background: var(--admin-danger);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--admin-shadow-lg);
}

.btn-outline-light {
    background: transparent;
    color: var(--admin-text-secondary);
    border: 2px solid var(--admin-border-medium);
}

.btn-outline-light:hover {
    background: var(--admin-border-medium);
    color: var(--admin-text-primary);
    border-color: var(--admin-border-strong);
    transform: translateY(-2px);
    box-shadow: var(--admin-shadow-lg);
}

.btn-lg {
    padding: var(--admin-space-md) var(--admin-space-xl);
    font-size: 1.1rem;
    border-radius: var(--admin-radius-md);
}

.btn-sm {
    padding: var(--admin-space-xs) var(--admin-space-sm);
    font-size: 0.875rem;
}

/* Tables */
.table-dark {
    background: var(--admin-bg-glass);
    border-radius: var(--admin-radius-md);
    overflow: hidden;
    backdrop-filter: blur(20px);
    border: 1px solid var(--admin-border-medium);
}

.table-dark th {
    background: var(--admin-bg-secondary);
    border-color: var(--admin-border-medium);
    color: var(--admin-primary);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    padding: var(--admin-space-md);
}

.table-dark td {
    border-color: var(--admin-border-light);
    vertical-align: middle;
    padding: var(--admin-space-md);
    color: var(--admin-text-primary);
}

.table-dark tbody tr {
    transition: all 0.2s ease;
}

.table-dark tbody tr:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: scale(1.01);
}

/* Alerts */
.alert {
    border-radius: var(--admin-radius-md);
    border: none;
    padding: var(--admin-space-md) var(--admin-space-lg);
    margin-bottom: var(--admin-space-lg);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--admin-space-sm);
}

.alert-success {
    background: linear-gradient(45deg, rgba(16, 185, 129, 0.1), rgba(52, 211, 153, 0.1));
    color: var(--admin-success);
    border-left: 4px solid var(--admin-success);
}

.alert-danger {
    background: linear-gradient(45deg, rgba(239, 68, 68, 0.1), rgba(248, 113, 113, 0.1));
    color: var(--admin-danger);
    border-left: 4px solid var(--admin-danger);
}

.alert-warning {
    background: linear-gradient(45deg, rgba(245, 158, 11, 0.1), rgba(251, 191, 36, 0.1));
    color: var(--admin-warning);
    border-left: 4px solid var(--admin-warning);
}

.alert-info {
    background: linear-gradient(45deg, rgba(6, 182, 212, 0.1), rgba(34, 211, 238, 0.1));
    color: var(--admin-info);
    border-left: 4px solid var(--admin-info);
}

/* Modals */
.modal-content {
    background: var(--admin-bg-secondary);
    backdrop-filter: blur(20px);
    border: 1px solid var(--admin-border-medium);
    border-radius: var(--admin-radius-lg);
    box-shadow: var(--admin-shadow-xl);
}

.modal-header {
    border-bottom: 1px solid var(--admin-border-light);
    padding: var(--admin-space-lg);
}

.modal-title {
    color: var(--admin-text-primary);
    font-weight: 700;
}

.modal-body {
    padding: var(--admin-space-lg);
}

.modal-footer {
    border-top: 1px solid var(--admin-border-light);
    padding: var(--admin-space-lg);
    gap: var(--admin-space-sm);
}

/* Modal Button Specific Styles - Ensure clickability */
.modal-footer .btn {
    pointer-events: auto;
    position: relative;
    z-index: 1;
}

.modal-footer .btn:not(:disabled):not(.disabled) {
    cursor: pointer;
}

.modal-footer .btn-danger {
    background: linear-gradient(45deg, var(--admin-danger), #f87171);
    color: white;
    border: none;
}

.modal-footer .btn-danger:hover {
    background: linear-gradient(45deg, var(--admin-danger-dark), var(--admin-danger));
    transform: translateY(-2px);
    box-shadow: var(--admin-shadow-lg);
}

.modal-footer .btn-secondary {
    background: var(--admin-bg-tertiary);
    color: var(--admin-text-primary);
    border: 1px solid var(--admin-border-medium);
}

.modal-footer .btn-secondary:hover {
    background: var(--admin-bg-secondary);
    border-color: var(--admin-border-strong);
    transform: translateY(-2px);
    box-shadow: var(--admin-shadow-lg);
}

/* Badges */
.status-badge, .role-badge {
    padding: var(--admin-space-xs) var(--admin-space-sm);
    border-radius: var(--admin-radius-xl);
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--admin-space-xs);
}

.status-active {
    background: rgba(16, 185, 129, 0.2);
    color: var(--admin-success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-inactive {
    background: rgba(239, 68, 68, 0.2);
    color: var(--admin-danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.role-admin {
    background: rgba(99, 102, 241, 0.2);
    color: var(--admin-primary);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.role-user {
    background: rgba(14, 165, 233, 0.2);
    color: var(--admin-secondary);
    border: 1px solid rgba(14, 165, 233, 0.3);
}

/* User Info */
.user-info {
    display: flex;
    align-items: center;
    gap: var(--admin-space-md);
}

.user-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--admin-primary), var(--admin-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
    box-shadow: var(--admin-shadow-md);
}

.user-details h6 {
    margin: 0;
    color: var(--admin-text-primary);
    font-weight: 600;
    font-size: 1rem;
}

.user-details small {
    color: var(--admin-text-muted);
    font-size: 0.875rem;
}

/* Special States */
.current-user-row {
    background: rgba(99, 102, 241, 0.1) !important;
    border-left: 4px solid var(--admin-primary);
}

.readonly-input {
    background-color: rgba(255, 255, 255, 0.05) !important;
    cursor: not-allowed;
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .admin-content {
        padding: var(--admin-space-md);
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-card {
        flex-direction: column;
        text-align: center;
        gap: var(--admin-space-md);
    }
    
    .stats-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

/* Login Page Specific Styles */
.login-page {
    background: linear-gradient(135deg, var(--admin-primary) 0%, var(--admin-secondary) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="white" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
}

.login-container {
    max-width: 450px;
    width: 100%;
    padding: var(--admin-space-lg);
    position: relative;
    z-index: 1;
}

.login-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(30px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--admin-radius-xl);
    padding: var(--admin-space-2xl);
    box-shadow: 0 32px 64px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.login-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.3);
}

.login-header {
    text-align: center;
    margin-bottom: var(--admin-space-2xl);
}

.login-header h1 {
    color: white;
    font-weight: 800;
    margin-bottom: var(--admin-space-sm);
    font-size: 2rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.login-header p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    font-size: 1.1rem;
    font-weight: 500;
}

.login-card .form-control {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: var(--admin-radius-md);
    padding: var(--admin-space-md);
    font-size: 1rem;
}

.login-card .form-control:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
    color: white;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.login-card .form-control::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.login-card .form-label {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    margin-bottom: var(--admin-space-sm);
}

.btn-login {
    background: linear-gradient(45deg, var(--admin-accent), var(--admin-warning));
    border: none;
    border-radius: var(--admin-radius-md);
    font-weight: 700;
    padding: var(--admin-space-md) var(--admin-space-xl);
    width: 100%;
    margin-top: var(--admin-space-lg);
    color: white;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
}

.btn-login:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    background: linear-gradient(45deg, var(--admin-accent-dark), var(--admin-warning-dark));
}

.back-link {
    text-align: center;
    margin-top: var(--admin-space-xl);
}

.back-link a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--admin-space-sm);
}

.back-link a:hover {
    color: white;
    transform: translateX(-3px);
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-up {
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(50px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Backup Page Specific Styles */
.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--admin-space-lg);
    margin-bottom: var(--admin-space-xl);
}

.admin-stat-card {
    background: var(--admin-bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--admin-border-light);
    border-radius: var(--admin-border-radius-lg);
    padding: var(--admin-space-xl);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.admin-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--admin-primary), var(--admin-secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.admin-stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--admin-shadow-lg);
    border-color: var(--admin-border-medium);
}

.admin-stat-card:hover::before {
    opacity: 1;
}

.admin-stat-card .stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--admin-primary);
    margin: 0;
    line-height: 1;
}

.admin-stat-card .stat-label {
    color: var(--admin-text-secondary);
    font-size: 0.9rem;
    margin: 0.5rem 0 0 0;
    font-weight: 500;
}

.backup-actions {
    display: grid;
    gap: var(--admin-space-lg);
    margin-bottom: var(--admin-space-xl);
}

.backup-actions.grid-cols-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.action-card {
    background: var(--admin-bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--admin-border-light);
    border-radius: var(--admin-border-radius-lg);
    padding: var(--admin-space-xl);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.action-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--admin-primary), var(--admin-secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.action-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--admin-shadow-xl);
    border-color: var(--admin-border-medium);
}

.action-card:hover::before {
    opacity: 1;
}

.action-icon {
    font-size: 3rem;
    margin-bottom: var(--admin-space-lg);
    color: var(--admin-primary);
    display: block;
}

.action-card h5 {
    color: var(--admin-text-primary);
    font-weight: 600;
    margin-bottom: var(--admin-space-md);
}

.action-card p {
    color: var(--admin-text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--admin-space-lg);
}

.backup-info {
    display: flex;
    align-items: center;
    gap: var(--admin-space-md);
}

.backup-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, var(--admin-primary), var(--admin-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.backup-details h6 {
    margin: 0;
    color: var(--admin-text-primary);
    font-weight: 600;
}

.backup-details small {
    color: var(--admin-text-muted);
    font-size: 0.8rem;
}

/* Button Action Styles */
.btn-action {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    margin: 0 0.1rem;
    border-radius: var(--admin-border-radius);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-muted { color: var(--admin-text-muted) !important; }
.text-primary { color: var(--admin-primary) !important; }
.d-flex { display: flex; }
.d-inline { display: inline; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-md-end { justify-content: flex-end; }
.gap-3 { gap: var(--admin-space-md); }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--admin-space-sm); }
.mb-3 { margin-bottom: var(--admin-space-md); }
.mb-4 { margin-bottom: var(--admin-space-lg); }
.mt-4 { margin-top: var(--admin-space-lg); }
.me-2 { margin-right: var(--admin-space-sm); }
.me-3 { margin-right: var(--admin-space-md); }
.p-0 { padding: 0; }
.py-5 { padding-top: var(--admin-space-xl); padding-bottom: var(--admin-space-xl); }
.w-100 { width: 100%; }
.table-responsive { overflow-x: auto; }
.btn-group { display: flex; }
.btn-group .btn { margin-right: 0; }
.btn-group .btn:not(:last-child) { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.btn-group .btn:not(:first-child) { border-top-left-radius: 0; border-bottom-left-radius: 0; margin-left: -1px; }

/* Additional Bootstrap-like utilities */
.row { display: flex; flex-wrap: wrap; margin-left: -0.75rem; margin-right: -0.75rem; }
.col-sm-4, .col-sm-8, .col-md-6 { 
    padding-left: 0.75rem; 
    padding-right: 0.75rem; 
    flex: 1;
}
.col-sm-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-sm-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-md-6 { flex: 0 0 50%; max-width: 50%; }

/* Alert styles */
.alert {
    padding: var(--admin-space-md) var(--admin-space-lg);
    margin-bottom: var(--admin-space-lg);
    border: 1px solid transparent;
    border-radius: var(--admin-border-radius);
    position: relative;
}

.alert-danger {
    color: #ffffff;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(220, 38, 38, 0.2));
    border-color: rgba(239, 68, 68, 0.3);
    backdrop-filter: blur(10px);
}

.alert-success {
    color: #ffffff;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(5, 150, 105, 0.2));
    border-color: rgba(16, 185, 129, 0.3);
    backdrop-filter: blur(10px);
}

.alert-info {
    color: #ffffff;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(8, 145, 178, 0.2));
    border-color: rgba(6, 182, 212, 0.3);
    backdrop-filter: blur(10px);
}

/* Form text */
.form-text {
    font-size: 0.875rem;
    color: var(--admin-text-muted);
    margin-top: 0.25rem;
}

/* Close button */
.btn-close {
    background: none;
    border: none;
    color: var(--admin-text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.btn-close:hover {
    opacity: 1;
}

/* Pre code blocks for JSON display */
pre.bg-dark {
    background: rgba(0, 0, 0, 0.4) !important;
    border: 1px solid var(--admin-border-light);
    border-radius: var(--admin-border-radius);
    color: var(--admin-text-secondary);
    font-family: 'Courier New', monospace;
    line-height: 1.4;
}

/* Modal Large */
.modal-lg {
    max-width: 800px;
}

.modal-xl {
    max-width: 1200px;
}

/* Professional Backup Modal Styles */
.backup-info-card, .backup-stats-card, .backup-preview-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--admin-border-light);
    border-radius: var(--admin-border-radius-lg);
    padding: var(--admin-space-lg);
    height: 100%;
}

.backup-info-title {
    color: var(--admin-primary);
    font-weight: 600;
    margin-bottom: var(--admin-space-md);
    padding-bottom: var(--admin-space-sm);
    border-bottom: 1px solid var(--admin-border-light);
}

.backup-info-grid {
    display: grid;
    gap: var(--admin-space-sm);
}

.backup-info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--admin-space-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.backup-info-item .label {
    color: var(--admin-text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
}

.backup-info-item .value {
    color: var(--admin-text-primary);
    font-weight: 600;
    text-align: right;
}

.backup-stats-grid {
    display: grid;
    gap: var(--admin-space-md);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: var(--admin-space-md);
    padding: var(--admin-space-md);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--admin-border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(45deg, var(--admin-primary), var(--admin-secondary));
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
}

.stat-info .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--admin-primary);
    line-height: 1;
}

.stat-info .stat-label {
    font-size: 0.8rem;
    color: var(--admin-text-secondary);
    margin-top: 0.2rem;
}

.settings-preview {
    max-height: 400px;
    overflow-y: auto;
}

.backup-preview-code {
    background: rgba(0, 0, 0, 0.4) !important;
    border: 1px solid var(--admin-border-light);
    border-radius: var(--admin-border-radius);
    color: var(--admin-text-secondary);
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    line-height: 1.4;
    padding: var(--admin-space-md);
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.backup-actions.grid-cols-4 {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* Settings Page Enhancements */
.category-nav {
    margin-bottom: var(--admin-space-lg);
}

.nav-wrapper {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--admin-border-radius-lg);
    padding: var(--admin-space-sm);
    border: 1px solid var(--admin-border-light);
}

.custom-nav-tabs {
    border: none;
    gap: var(--admin-space-xs);
}

.custom-nav-tabs .nav-item {
    margin-bottom: 0;
}

.custom-nav-tabs .nav-link {
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--admin-border-radius);
    color: var(--admin-text-secondary);
    padding: var(--admin-space-md) var(--admin-space-lg);
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--admin-space-sm);
    font-weight: 500;
}

.custom-nav-tabs .nav-link:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--admin-border-light);
    color: var(--admin-text-primary);
    transform: translateY(-2px);
}

.custom-nav-tabs .nav-link.active {
    background: linear-gradient(45deg, var(--admin-primary), var(--admin-secondary));
    border-color: var(--admin-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.3);
}

.setting-count {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 2px 8px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: auto;
}

.custom-nav-tabs .nav-link.active .setting-count {
    background: rgba(255, 255, 255, 0.3);
}

/* Settings Form Card */
.settings-form-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--admin-border-light);
    border-radius: var(--admin-border-radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
}

.form-header {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1), rgba(80, 200, 120, 0.1));
    border-bottom: 1px solid var(--admin-border-light);
    padding: var(--admin-space-xl);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--admin-space-lg);
}

.header-info .form-title {
    color: var(--admin-primary);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 var(--admin-space-sm) 0;
    display: flex;
    align-items: center;
}

.header-info .form-subtitle {
    color: var(--admin-text-secondary);
    margin: 0;
    font-size: 0.95rem;
}

.header-actions {
    display: flex;
    gap: var(--admin-space-md);
    flex-shrink: 0;
}

.btn-save {
    background: linear-gradient(45deg, var(--admin-success), #00b09b);
    border: none;
    color: white;
    font-weight: 600;
    padding: var(--admin-space-md) var(--admin-space-lg);
    border-radius: var(--admin-border-radius);
    transition: all 0.3s ease;
}

.btn-save:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(80, 200, 120, 0.4);
}

.btn-reset {
    background: transparent;
    border: 1px solid var(--admin-warning);
    color: var(--admin-warning);
    font-weight: 600;
    padding: var(--admin-space-md) var(--admin-space-lg);
    border-radius: var(--admin-border-radius);
    transition: all 0.3s ease;
}

.btn-reset:hover {
    background: var(--admin-warning);
    color: white;
    transform: translateY(-2px);
}

/* Settings Grid */
.settings-grid {
    padding: var(--admin-space-xl);
    display: grid;
    gap: var(--admin-space-xl);
}

.setting-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--admin-border-light);
    border-radius: var(--admin-border-radius-lg);
    padding: var(--admin-space-lg);
    transition: all 0.3s ease;
}

.setting-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--admin-primary);
    transform: translateY(-2px);
}

.setting-header {
    margin-bottom: var(--admin-space-md);
}

.setting-label {
    display: flex;
    align-items: center;
    gap: var(--admin-space-sm);
    color: var(--admin-text-primary);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: var(--admin-space-sm);
}

.readonly-badge {
    background: var(--admin-warning);
    color: white;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 500;
}

.setting-description {
    color: var(--admin-text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Enhanced Form Controls */
.modern-input, .textarea-input, .color-text-input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--admin-border-light);
    border-radius: var(--admin-border-radius);
    color: var(--admin-text-primary);
    padding: var(--admin-space-md);
    transition: all 0.3s ease;
}

.modern-input:focus, .textarea-input:focus, .color-text-input:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
    color: var(--admin-text-primary);
}

.input-group-text {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--admin-border-light);
    color: var(--admin-text-secondary);
}

/* Custom Switch */
.custom-switch {
    display: flex;
    align-items: center;
    gap: var(--admin-space-md);
}

.custom-switch .form-check-input {
    width: 3rem;
    height: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--admin-border-light);
    border-radius: 1rem;
}

.custom-switch .form-check-input:checked {
    background: linear-gradient(45deg, var(--admin-success), #00b09b);
    border-color: var(--admin-success);
}

.switch-label-on, .switch-label-off {
    font-weight: 600;
    font-size: 0.9rem;
}

.switch-label-on {
    color: var(--admin-success);
}

.switch-label-off {
    color: var(--admin-text-secondary);
}

/* Color Input Group */
.color-input-group {
    display: flex;
    gap: var(--admin-space-md);
    align-items: center;
}

.color-preview {
    position: relative;
    width: 60px;
    height: 45px;
    border-radius: var(--admin-border-radius);
    overflow: hidden;
    border: 1px solid var(--admin-border-light);
}

.color-picker {
    width: 100%;
    height: 100%;
    border: none;
    cursor: pointer;
}

.color-picker-label {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 1.2rem;
    pointer-events: none;
    text-shadow: 0 0 3px rgba(0, 0, 0, 0.5);
}

.color-text-input {
    flex: 1;
    font-family: 'Courier New', monospace;
}

/* JSON Input Wrapper */
.json-input-wrapper {
    position: relative;
}

.json-input {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.4;
    background: rgba(0, 0, 0, 0.3);
    resize: vertical;
    min-height: 120px;
}

.json-toolbar {
    display: flex;
    gap: var(--admin-space-sm);
    margin-top: var(--admin-space-sm);
}

.json-toolbar .btn {
    font-size: 0.8rem;
    padding: 0.25rem 0.5rem;
}

/* Form Footer */
.form-footer {
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid var(--admin-border-light);
    padding: var(--admin-space-xl);
    text-align: center;
}

.footer-actions {
    display: flex;
    justify-content: center;
    gap: var(--admin-space-lg);
    margin-bottom: var(--admin-space-md);
}

.btn-save-main {
    background: linear-gradient(45deg, var(--admin-primary), var(--admin-secondary));
    border: none;
    color: white;
    font-weight: 600;
    padding: var(--admin-space-md) var(--admin-space-xl);
    border-radius: var(--admin-border-radius);
    transition: all 0.3s ease;
    min-width: 200px;
}

.btn-save-main:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74, 144, 226, 0.4);
}

.save-info {
    color: var(--admin-text-secondary);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: stretch;
        gap: var(--admin-space-md);
    }
    
    .header-actions {
        justify-content: stretch;
    }
    
    .footer-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .custom-nav-tabs {
        flex-direction: column;
    }
    
    .color-input-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    /* Page Header Mobile Styles */
    .page-title {
        font-size: 2.25rem;
    }
    
    .page-subtitle {
        font-size: 1.1rem;
    }
    
    .page-header-main {
        padding: var(--admin-space-xl) 0 var(--admin-space-lg) 0;
    }
    
    .page-title-section {
        text-align: left;
    }
    
    .page-header-breadcrumbs .breadcrumb {
        justify-content: flex-start;
    }
}

/* Z-Index Management */
.navbar-nav .dropdown-menu {
    z-index: 1060 !important;
}

.admin-navbar {
    z-index: 1050 !important;
}

.admin-page-header {
    z-index: 1040 !important;
}

/* Responsive breakpoints */
@media (max-width: 768px) {
    .admin-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .backup-actions.grid-cols-3 {
        grid-template-columns: 1fr;
    }
    
    .col-sm-4, .col-sm-8, .col-md-6 {
        flex: 1;
        max-width: 100%;
    }
}