/* Modern CSS Variables */
:root {
    /* Primary Colors */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-color: #667eea;
    --primary-dark: #5a6fd8;
    --secondary-color: #764ba2;
    
    /* Modern Color Palette */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    /* Dark Mode Colors */
    --dark-bg-primary: #0f172a;
    --dark-bg-secondary: #1e293b;
    --dark-bg-tertiary: #334155;
    --dark-text-primary: #f1f5f9;
    --dark-text-secondary: #cbd5e1;
    --dark-text-muted: #94a3b8;
    
    /* Semantic Colors */
    --success-color: #10b981;
    --success-bg: #dcfce7;
    --warning-color: #f59e0b;
    --warning-bg: #fef3c7;
    --error-color: #ef4444;
    --error-bg: #fee2e2;
    --info-color: #3b82f6;
    --info-bg: #dbeafe;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

*::before,
*::after {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--text-primary);
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body.dark-mode {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--dark-text-primary);
    
    /* Dark mode variable overrides */
    --bg-primary: var(--dark-bg-primary);
    --bg-secondary: var(--dark-bg-secondary);
    --bg-tertiary: var(--dark-bg-tertiary);
    --text-primary: var(--dark-text-primary);
    --text-secondary: var(--dark-text-secondary);
    --text-muted: var(--dark-text-muted);
}
/* Dark Mode Component Overrides */
body.dark-mode .container,
body.dark-mode .login-card,
body.dark-mode .header,
body.dark-mode .stats-grid .stat-card,
body.dark-mode .bulk-actions,
body.dark-mode .table-container,
body.dark-mode .modal-content {
    background: var(--bg-secondary);
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--dark-bg-tertiary);
}

body.dark-mode .header h1,
body.dark-mode .stat-info h3,
body.dark-mode .stat-info p {
    color: var(--text-primary);
}

body.dark-mode .btn {
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .btn-primary { background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)); }
body.dark-mode .btn-success { background: linear-gradient(135deg, var(--success-color), #059669); }
body.dark-mode .btn-danger { background: linear-gradient(135deg, var(--error-color), #dc2626); }
body.dark-mode .btn-warning { background: linear-gradient(135deg, var(--warning-color), #d97706); }
body.dark-mode .btn-info { background: linear-gradient(135deg, var(--info-color), #2563eb); }
body.dark-mode .btn-secondary { background: linear-gradient(135deg, #6b7280, #4b5563); }

body.dark-mode .btn:hover { 
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

body.dark-mode .table-header,
body.dark-mode th { 
    background: var(--bg-tertiary); 
    color: var(--text-secondary); 
}

body.dark-mode table,
body.dark-mode th,
body.dark-mode td { 
    border-color: var(--dark-bg-tertiary); 
}

body.dark-mode tr:hover { 
    background: var(--bg-tertiary); 
}

body.dark-mode .status-badge.status-active { background: var(--success-color); color: white; }
body.dark-mode .status-badge.status-paused { background: var(--warning-color); color: white; }
body.dark-mode .status-badge.status-expired { background: var(--error-color); color: white; }

body.dark-mode .modal { 
    background: rgba(15, 23, 42, 0.85); 
    backdrop-filter: blur(8px);
}

body.dark-mode input, 
body.dark-mode select, 
body.dark-mode textarea {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--dark-bg-tertiary);
    transition: var(--transition-normal);
}

body.dark-mode input:focus, 
body.dark-mode select:focus, 
body.dark-mode textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

body.dark-mode .message.success { 
    background: var(--success-bg); 
    color: var(--success-color); 
    border: 1px solid var(--success-color);
}

body.dark-mode .message.error { 
    background: var(--error-bg); 
    color: var(--error-color); 
    border: 1px solid var(--error-color);
}

body.dark-mode code, 
body.dark-mode pre { 
    background: var(--bg-tertiary); 
    color: var(--text-secondary); 
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

/* Modern Container & Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    position: relative;
}

.hidden {
    display: none !important;
}

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

.fade-out {
    animation: fadeOut 0.3s ease-out forwards;
}

.slide-up {
    animation: slideUp 0.4s ease-out forwards;
}

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

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}

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

/* Modern Login Styles */
.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
    max-width: 420px;
    margin: 10vh auto;
    text-align: center;
    position: relative;
    overflow: hidden;
    animation: slideUp 0.6s ease-out;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.login-card h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xl);
    font-size: 1.875rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.input-group {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.input-group i {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-color);
    z-index: 2;
    transition: var(--transition-normal);
}

.input-group input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 3rem;
    border: 2px solid rgba(102, 126, 234, 0.1);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.8);
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: rgba(255, 255, 255, 0.95);
}

.input-group input:focus + i {
    color: var(--primary-dark);
    transform: translateY(-50%) scale(1.1);
}

body.dark-mode .login-card {
    background: rgba(30, 41, 59, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .input-group input {
    background: rgba(51, 65, 85, 0.8);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

body.dark-mode .input-group input:focus {
    background: rgba(51, 65, 85, 0.95);
}

/* Modern Button Styles */
.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    min-height: 44px;
    line-height: 1;
    user-select: none;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

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

.btn:active {
    transform: translateY(0);
    transition-duration: 100ms;
}

.btn:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading Button States */
.btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.btn.loading .fa-spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #6b46c1 100%);
    box-shadow: var(--shadow-xl);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

.btn-danger {
    background: linear-gradient(135deg, var(--error-color) 0%, #dc2626 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-warning:hover {
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
}

.btn-info {
    background: linear-gradient(135deg, var(--info-color) 0%, #2563eb 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-info:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
}

.btn-secondary {
    background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #4b5563 0%, #374151 100%);
}

/* Button Loading State */
.btn.loading {
    pointer-events: none;
    position: relative;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Modern Header Styles */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-lg) var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    overflow: hidden;
    animation: slideUp 0.6s ease-out;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.header h1 {
    color: var(--primary-color);
    font-size: 1.875rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
    min-width: 250px;
}

.header h1 i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.header-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-sm);
    align-items: center;
    justify-items: center;
    max-width: 600px;
    width: 100%;
}

body.dark-mode .header {
    background: rgba(30, 41, 59, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Modern Stats Grid */
.stats-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
    transform-origin: left;
}

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

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(102, 126, 234, 0.1);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.stat-card:hover i {
    transform: scale(1.1);
    background: rgba(102, 126, 234, 0.15);
}

.stat-info {
    flex: 1;
}

.stat-info h3 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
    line-height: 1;
}

.stat-info p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    margin: 0;
}

body.dark-mode .stat-card {
    background: rgba(30, 41, 59, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .stat-card i {
    background: rgba(102, 126, 234, 0.15);
}

body.dark-mode .stat-card:hover i {
    background: rgba(102, 126, 234, 0.25);
}

/* Modern Bulk Actions */
.bulk-actions {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.bulk-actions::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, var(--info-color), var(--primary-color));
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.bulk-actions h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.bulk-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.bulk-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    background: rgba(102, 126, 234, 0.05);
    border: 1px solid rgba(102, 126, 234, 0.1);
    transition: var(--transition-normal);
}

.bulk-item:hover {
    background: rgba(102, 126, 234, 0.08);
    border-color: rgba(102, 126, 234, 0.2);
}

.bulk-item label {
    font-weight: 600;
    color: var(--text-primary);
    min-width: 80px;
    font-size: 0.875rem;
}

.bulk-item input {
    padding: var(--spacing-sm) var(--spacing-sm);
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: var(--radius-md);
    width: 80px;
    background: rgba(255, 255, 255, 0.8);
    transition: var(--transition-normal);
}

.bulk-item input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

body.dark-mode .bulk-actions {
    background: rgba(30, 41, 59, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .bulk-item {
    background: rgba(102, 126, 234, 0.1);
    border-color: rgba(102, 126, 234, 0.2);
}

body.dark-mode .bulk-item:hover {
    background: rgba(102, 126, 234, 0.15);
}

body.dark-mode .bulk-item input {
    background: var(--bg-tertiary);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* Modern Table Styles */
.table-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.table-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, var(--success-color), var(--primary-color));
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.table-header h3 {
    color: var(--primary-color);
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: 0;
}

.table-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    flex-wrap: wrap;
}

.table-actions input,
.table-actions select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
    font-size: 0.875rem;
}

.table-actions input:focus,
.table-actions select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-input {
    width: 250px;
    position: relative;
}

.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    /* Hide scrollbar when not needed */
    scrollbar-width: thin;
    scrollbar-color: rgba(102, 126, 234, 0.3) transparent;
}

.table-wrapper::-webkit-scrollbar {
    height: 6px;
}

.table-wrapper::-webkit-scrollbar-track {
    background: transparent;
}

.table-wrapper::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.2);
    border-radius: var(--radius-sm);
}

.table-wrapper::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.4);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

th, td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid rgba(102, 126, 234, 0.1);
    font-size: 0.875rem;
}

th {
    background: rgba(102, 126, 234, 0.05);
    font-weight: 600;
    color: var(--primary-color);
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 2px solid rgba(102, 126, 234, 0.2);
}

tbody tr {
    transition: var(--transition-fast);
}

tbody tr:hover {
    background: rgba(102, 126, 234, 0.05);
    transform: scale(1.005);
}

.status-badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.status-active {
    background: var(--success-bg);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.status-paused {
    background: var(--warning-bg);
    color: var(--warning-color);
    border: 1px solid var(--warning-color);
}

.status-expired {
    background: var(--error-bg);
    color: var(--error-color);
    border: 1px solid var(--error-color);
}

.action-buttons {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.action-buttons .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    min-height: 32px;
}

body.dark-mode .table-container {
    background: rgba(30, 41, 59, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode table {
    background: rgba(51, 65, 85, 0.5);
}

body.dark-mode th {
    background: rgba(102, 126, 234, 0.1);
}

body.dark-mode tbody tr:hover {
    background: rgba(102, 126, 234, 0.1);
}

body.dark-mode .table-actions input,
body.dark-mode .table-actions select {
    background: var(--bg-tertiary);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* Modern Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(12px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    /* Force viewport centering */
    position: fixed !important;
    inset: 0 !important;
    padding: var(--spacing-lg);
    overflow: hidden;
    /* Ensure centering works regardless of page scroll */
    box-sizing: border-box;
}

.modal:not(.hidden) {
    opacity: 1;
    visibility: visible;
}

/* Prevent background scrolling when modal is open */
body.modal-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
}

/* Ensure modal always covers full viewport */
.modal {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    margin: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.modal-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    padding: 0;
    max-width: min(500px, 90vw);
    width: 100%;
    max-height: min(85vh, 700px);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: all var(--transition-normal);
    /* Ensure content is scrollable if needed */
    display: flex;
    flex-direction: column;
    /* Center the modal perfectly in viewport */
    margin: auto;
    z-index: 1001;
}

.modal:not(.hidden) .modal-content {
    transform: scale(1) translateY(0);
}

.modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.modal-header {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid rgba(102, 126, 234, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(102, 126, 234, 0.02);
    flex-shrink: 0;
}

.modal-header h3 {
    color: var(--primary-color);
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.close-btn {
    background: rgba(102, 126, 234, 0.1);
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: var(--spacing-sm);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.close-btn:hover {
    background: rgba(102, 126, 234, 0.15);
    color: var(--primary-color);
    transform: scale(1.05);
}

.modal form {
    padding: var(--spacing-xl);
    flex: 1;
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

/* Modal body content for non-form modals */
.modal-content > div:not(.modal-header):not(.modal-actions) {
    flex: 1;
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: rgba(255, 255, 255, 0.95);
}

.key-input {
    display: flex;
    gap: var(--spacing-sm);
}

.key-input input {
    flex: 1;
}

.modal-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid rgba(102, 126, 234, 0.1);
    background: rgba(102, 126, 234, 0.02);
    flex-shrink: 0;
    margin: 0;
}

body.dark-mode .modal {
    background: rgba(15, 23, 42, 0.85);
}

body.dark-mode .modal-content {
    background: rgba(30, 41, 59, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .modal-header {
    background: rgba(102, 126, 234, 0.05);
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

body.dark-mode .close-btn {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
}

body.dark-mode .close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

body.dark-mode .form-group input,
body.dark-mode .form-group textarea,
body.dark-mode .form-group select {
    background: var(--bg-tertiary);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* Modal Mobile Responsive */
@media (max-width: 600px) {
    .modal {
        padding: var(--spacing-md);
        /* Keep center alignment for small screens */
        align-items: center;
        justify-content: center;
    }
    
    .modal-content {
        max-width: calc(100vw - 2 * var(--spacing-md));
        max-height: calc(100vh - 2 * var(--spacing-md));
        width: 100%;
        margin: 0;
        /* Ensure perfect centering */
        position: relative;
    }
    
    .modal-header {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .modal-header h3 {
        font-size: 1.125rem;
    }
    
    .modal form {
        padding: var(--spacing-lg);
        max-height: calc(100vh - 160px);
        overflow-y: auto;
    }
    
    .modal-actions {
        padding: var(--spacing-md) var(--spacing-lg);
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .modal-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Modern Animations & Micro-interactions */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% { transform: translateY(0); }
    40%, 43% { transform: translateY(-8px); }
    70% { transform: translateY(-4px); }
    90% { transform: translateY(-2px); }
}

@keyframes slideInFromLeft {
    0% { transform: translateX(-100%); opacity: 0; }
    100% { transform: translateX(0); opacity: 1; }
}

@keyframes slideInFromRight {
    0% { transform: translateX(100%); opacity: 0; }
    100% { transform: translateX(0); opacity: 1; }
}

@keyframes scaleIn {
    0% { transform: scale(0.8); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

/* Skeleton Loading Animation */
@keyframes skeleton {
    0% { background-position: -200px 0; }
    100% { background-position: calc(200px + 100%) 0; }
}

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200px 100%;
    animation: skeleton 1.5s infinite linear;
    border-radius: var(--radius-md);
}

body.dark-mode .skeleton {
    background: linear-gradient(90deg, #374151 25%, #4b5563 50%, #374151 75%);
    background-size: 200px 100%;
}

/* Interactive Elements */
.interactive:hover {
    animation: float 2s ease-in-out infinite;
}

.clickable {
    cursor: pointer;
    transition: var(--transition-normal);
}

.clickable:hover {
    transform: scale(1.02);
}

.clickable:active {
    transform: scale(0.98);
    transition-duration: 100ms;
}

/* Form Input Enhancements */
input, textarea, select {
    transition: all var(--transition-normal);
}

input:invalid {
    animation: shake 0.5s ease-in-out;
    border-color: var(--error-color);
}

/* Success States */
.success-animation {
    animation: bounce 0.6s ease-in-out;
}

/* Loading States */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    border-radius: inherit;
}

body.dark-mode .loading-overlay {
    background: rgba(30, 41, 59, 0.8);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(102, 126, 234, 0.2);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Page Transition Effects */
.page-enter {
    opacity: 0;
    transform: translateY(20px);
}

.page-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.5s ease-out;
}

.page-exit {
    opacity: 1;
    transform: translateY(0);
}

.page-exit-active {
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.3s ease-in;
}

/* Stagger Animation for Lists */
.stagger-item {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease-out forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.1s; }
.stagger-item:nth-child(2) { animation-delay: 0.2s; }
.stagger-item:nth-child(3) { animation-delay: 0.3s; }
.stagger-item:nth-child(4) { animation-delay: 0.4s; }
.stagger-item:nth-child(5) { animation-delay: 0.5s; }

/* Parallax Effect for Background Elements */
.parallax {
    transform: translateZ(0);
    transition: transform 0.1s ease-out;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus Enhancements */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}
/* Modern Responsive Design */
@media (max-width: 768px) {
    :root {
        --spacing-xs: 0.125rem;
        --spacing-sm: 0.375rem;
        --spacing-md: 0.75rem;
        --spacing-lg: 1rem;
        --spacing-xl: 1.25rem;
        --spacing-2xl: 1.5rem;
    }
    
    .container {
        padding: var(--spacing-md);
    }
    
    .header {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
        padding: var(--spacing-lg);
    }
    
    .header h1 {
        font-size: 1.5rem;
    }
    
    .header-actions {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .header-actions .btn {
        flex: 1;
        min-width: calc(50% - var(--spacing-xs));
        max-width: 200px;
    }
    
    .stats-grid {
        gap: var(--spacing-md);
    }
    
    .stat-card {
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }
    
    .stat-card i {
        font-size: 2rem;
        width: 50px;
        height: 50px;
    }
    
    .stat-info h3 {
        font-size: 1.5rem;
    }
    
    .bulk-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .bulk-item {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }
    
    .bulk-item input {
        width: 100%;
    }
    
    .table-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }
    
    .table-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .table-actions input,
    .table-actions select {
        width: 100%;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .action-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    .modal-content {
        width: 95%;
        margin: var(--spacing-md);
        max-height: 95vh;
    }
    
    .modal-header {
        padding: var(--spacing-lg);
    }
    
    .modal form {
        padding: var(--spacing-lg);
    }
    
    .key-input {
        flex-direction: column;
    }
    
    .modal-actions {
        flex-direction: column-reverse;
        gap: var(--spacing-sm);
    }
    
    .modal-actions .btn {
        width: 100%;
    }
    
    .login-card {
        margin: 5vh auto;
        padding: var(--spacing-xl);
        max-width: 95%;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.25rem;
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-sm);
    }
    
    .stat-card i {
        margin: 0 auto;
    }
    
    .table-wrapper {
        font-size: 0.75rem;
    }
    
    th, td {
        padding: var(--spacing-sm);
    }
    
    .btn {
        font-size: 0.75rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .login-card h2 {
        font-size: 1.5rem;
    }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 48px;
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .action-buttons .btn {
        min-height: 44px;
    }
    
    input, textarea, select {
        min-height: 48px;
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .close-btn {
        min-width: 48px;
        min-height: 48px;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
        --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3);
        --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3);
        --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.3);
    }
    
    .btn {
        border: 2px solid currentColor;
    }
    
    input, textarea, select {
        border-width: 2px;
    }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .parallax {
        transform: none !important;
    }
}

/* Print styles */
@media print {
    .header-actions,
    .bulk-actions,
    .action-buttons,
    .modal {
        display: none !important;
    }
    
    .container {
        background: white !important;
        box-shadow: none !important;
    }
    
    .table-container {
        break-inside: avoid;
    }
}

/* Modern Success/Error Messages */
.message {
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border: 1px solid;
    backdrop-filter: blur(10px);
    animation: slideInFromLeft 0.4s ease-out;
}

.message.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border-color: var(--success-color);
}

.message.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
    border-color: var(--error-color);
}

.message.info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
    border-color: var(--info-color);
}

.message.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
    border-color: var(--warning-color);
}

/* Modern Notifications */
.notifications {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    background: rgba(255, 251, 230, 0.95);
    color: var(--warning-color);
    border: 1px solid var(--warning-color);
    font-size: 1rem;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
}

.notifications .notif {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.notifications .notif:last-child {
    margin-bottom: 0;
}

.notifications .notif i {
    font-size: 1.125rem;
    color: var(--warning-color);
}

body.dark-mode .notifications {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--warning-color);
    color: var(--warning-color);
}

/* Modern Toast Notifications */
.toast-container {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--spacing-sm);
    pointer-events: none;
    max-height: 80vh;
    overflow: visible;
}

.toast-message {
    min-width: 280px;
    max-width: 400px;
    background: rgba(30, 41, 59, 0.95);
    backdrop-filter: blur(20px);
    color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    pointer-events: auto;
    transform: translateX(100%);
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.toast-message.show {
    transform: translateX(0);
}

.toast-message.success {
    background: rgba(16, 185, 129, 0.95);
    border-color: var(--success-color);
}

.toast-message.error {
    background: rgba(239, 68, 68, 0.95);
    border-color: var(--error-color);
}

.toast-message.info {
    background: rgba(59, 130, 246, 0.95);
    border-color: var(--info-color);
}

@media (max-width: 600px) {
    .toast-container {
        right: var(--spacing-md);
        bottom: var(--spacing-md);
        left: var(--spacing-md);
        align-items: stretch;
        max-height: 60vh;
        overflow-y: auto;
        scrollbar-width: none;
    }
    
    .toast-container::-webkit-scrollbar {
        display: none;
    }
    
    .toast-message {
        min-width: auto;
        max-width: none;
        font-size: 0.875rem;
        padding: var(--spacing-sm) var(--spacing-md);
        transform: translateY(100%);
    }
    
    .toast-message.show {
        transform: translateY(0);
    }
}

/* Modern Tab Navigation */
.tab-navigation {
    display: flex;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    gap: var(--spacing-xs);
    position: relative;
    overflow: hidden;
}

.tab-navigation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.tab-btn {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    position: relative;
    min-height: 48px;
}

.tab-btn:hover {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.tab-btn.active {
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    position: relative;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: white;
    border-radius: var(--radius-sm);
    animation: tabIndicator 0.3s ease-out forwards;
}

@keyframes tabIndicator {
    from {
        width: 0;
        opacity: 0;
    }
    to {
        width: 30px;
        opacity: 1;
    }
}

.tab-btn.active i {
    color: white;
}

.tab-btn i {
    font-size: 1rem;
    transition: var(--transition-normal);
}

/* Tab Content */
.tab-content {
    position: relative;
    min-height: 400px;
}

.tab-panel {
    display: none;
    animation: fadeInUp 0.4s ease-out;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    padding: var(--spacing-lg) 0;
}

.tab-panel.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.tab-panel.fade-out {
    opacity: 0;
    transform: translateY(-10px);
}

/* Ensure tab content sections have proper spacing */
.tab-panel .version-control,
.tab-panel .table-container {
    margin-top: 0;
    margin-bottom: 0;
}

.tab-panel .bulk-actions {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

/* Dark mode tab styles */
body.dark-mode .tab-navigation {
    background: rgba(30, 41, 59, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .tab-btn {
    color: var(--text-secondary);
}

body.dark-mode .tab-btn:hover {
    background: rgba(102, 126, 234, 0.15);
    color: var(--primary-color);
}

body.dark-mode .tab-btn.active {
    background: var(--primary-gradient);
    color: white;
}

/* Responsive tab design */
@media (max-width: 700px) {
    .tab-navigation {
        gap: var(--spacing-xs);
        padding: var(--spacing-xs);
    }
    
    .tab-btn {
        justify-content: center;
        padding: var(--spacing-sm) var(--spacing-xs);
        font-size: 0.8rem;
        min-height: 44px;
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .tab-btn span {
        font-size: 0.75rem;
        text-align: center;
    }
    
    .tab-btn i {
        font-size: 0.9rem;
    }
}

@media (max-width: 500px) {
    .tab-navigation {
        margin-bottom: var(--spacing-lg);
    }
    
    .tab-btn {
        padding: var(--spacing-sm);
        gap: 2px;
    }
    
    .tab-btn span {
        font-size: 0.7rem;
        line-height: 1.2;
    }
    
    .tab-btn i {
        font-size: 0.85rem;
    }
}

/* Version Control Modernization */
.version-control {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    max-width: 500px;
    position: relative;
    overflow: hidden;
}

.version-control::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(135deg, var(--info-color), var(--primary-color));
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.version-control h3 {
    margin-top: 0;
    font-size: 1.125rem;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
}

.version-control form {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    margin-bottom: 0;
}

.version-control input[type="text"] {
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
    color: var(--text-primary);
}

.version-control input[type="text"]:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: rgba(255, 255, 255, 0.95);
}

.version-control #minAppVersion {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1rem;
}

body.dark-mode .version-control {
    background: rgba(30, 41, 59, 0.95);
    border-color: rgba(255, 255, 255, 0.1);
}

body.dark-mode .version-control input[type="text"] {
    background: var(--bg-tertiary);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

@media (max-width: 600px) {
    .version-control {
        padding: var(--spacing-md);
        max-width: 100%;
    }
    
    .version-control form {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }
} 

/* Modern User Profile Section */
.user-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(102, 126, 234, 0.1);
    transition: var(--transition-normal);
}

.user-section:hover {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(102, 126, 234, 0.2);
}

.user-section label {
    cursor: pointer;
    position: relative;
}

.user-section label::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    padding: 4px;
    background: var(--primary-gradient);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: xor;
    opacity: 0;
    transition: var(--transition-normal);
}

.user-section label:hover::before {
    opacity: 1;
}

.user-section #userPfp {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid rgba(255, 255, 255, 0.8);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.user-section label:hover #userPfp {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.user-section #sidebarUsername {
    margin-top: var(--spacing-sm);
    text-align: center;
    font-weight: 600;
    color: var(--text-primary);
}

body.dark-mode .user-section {
    background: rgba(30, 41, 59, 0.8);
    border-color: rgba(255, 255, 255, 0.1);
}

body.dark-mode .user-section:hover {
    background: rgba(30, 41, 59, 0.9);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Modern Mobile Key List */
.mobile-key-list {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0 0 0;
}

.mobile-key-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    width: 95vw;
    max-width: 420px;
    text-align: left;
    font-size: 0.875rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
}

.mobile-key-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

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

.mobile-key-main {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    word-break: break-all;
    font-weight: 600;
    color: var(--text-primary);
}

.mobile-key-card button {
    width: 100%;
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    justify-content: center;
}

body.dark-mode .mobile-key-card {
    background: rgba(30, 41, 59, 0.95);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
} 

/* Modern Pagination */
.pagination {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

.pagination button {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition-normal);
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pagination button:hover:not(:disabled) {
    background: rgba(102, 126, 234, 0.1);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.pagination button.active {
    background: var(--primary-gradient);
    color: white;
    border-color: var(--primary-color);
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: rgba(148, 163, 184, 0.1);
}

body.dark-mode .pagination button {
    background: rgba(51, 65, 85, 0.8);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

body.dark-mode .pagination button:hover:not(:disabled) {
    background: rgba(102, 126, 234, 0.2);
    border-color: var(--primary-color);
}

/* Modern Offset Section */
.offsets-section {
    margin: var(--spacing-xl) 0;
    /* Ensure it inherits table-container styles */
}

.offsets-section.table-container {
    /* Force consistent background */
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px) !important;
}

body.dark-mode .offsets-section.table-container {
    background: rgba(30, 41, 59, 0.95) !important;
}

.offsets-section .table-wrapper {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    max-height: 400px;
    overflow-y: auto;
    /* Improve scrollbar styling */
    scrollbar-width: thin;
    scrollbar-color: rgba(102, 126, 234, 0.3) transparent;
}

.offset-action-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.75rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-normal);
    border: none;
    margin: 0 var(--spacing-xs);
    min-height: 32px;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.offset-action-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.offset-action-btn.btn-info {
    background: linear-gradient(135deg, var(--info-color), #2563eb);
    color: white;
}

.offset-action-btn.btn-danger {
    background: linear-gradient(135deg, var(--error-color), #dc2626);
    color: white;
}

/* Copy Success Animation */
.copy-success {
    animation: copyPulse 0.6s ease;
}

@keyframes copyPulse {
    0% { transform: scale(1); }
    25% { transform: scale(1.05); background: rgba(16, 185, 129, 0.1); }
    50% { transform: scale(1.08); background: rgba(16, 185, 129, 0.2); }
    100% { transform: scale(1); background: transparent; }
}

/* Improved Focus States */
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Hide unwanted scrollbars */
.no-scrollbar {
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.no-scrollbar::-webkit-scrollbar {
    display: none;
}

/* Ensure main sections don't create horizontal scrollbars */
.main-section,
.sidebar-section {
    overflow-x: hidden;
}

/* Better section spacing */
section {
    overflow-x: hidden;
}

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

::-webkit-scrollbar-track {
    background: rgba(148, 163, 184, 0.1);
    border-radius: var(--radius-md);
}

::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.3);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.5);
}

body.dark-mode ::-webkit-scrollbar-track {
    background: rgba(51, 65, 85, 0.3);
}

body.dark-mode ::-webkit-scrollbar-thumb {
    background: rgba(102, 126, 234, 0.4);
}

body.dark-mode ::-webkit-scrollbar-thumb:hover {
    background: rgba(102, 126, 234, 0.6);
} 

/* Modern Responsive Layout Improvements */
@media (min-width: 901px) {
    .header-actions {
        /* On desktop, arrange buttons in a flexible grid */
        display: flex;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        align-items: center;
        justify-content: center;
        max-width: 700px;
    }
    
    /* When there are 4+ buttons, create intelligent wrapping */
    .header-actions .btn {
        flex: 0 1 auto;
        min-width: 140px;
    }
    
    /* Ensure proper centering for overflow buttons */
    .header-actions:has(.btn:nth-child(5)) {
        justify-content: space-evenly;
    }
}

@media (max-width: 1200px) {
    aside {
        min-width: 240px !important;
        max-width: 280px !important;
    }
    
    main {
        padding: var(--spacing-md) !important;
    }
    
    .container {
        gap: var(--spacing-lg) !important;
    }
}

@media (max-width: 900px) {
    .header {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-lg);
    }
    
    .header-actions {
        grid-template-columns: repeat(2, 1fr);
        width: 100%;
        max-width: 400px;
    }
    
    .main-flex {
        flex-direction: column !important;
        gap: var(--spacing-lg) !important;
    }
    
    aside {
        min-width: 100% !important;
        max-width: 100% !important;
        order: 2;
    }
    
    main {
        min-width: 0 !important;
        width: 100% !important;
        order: 1;
    }
    
    .table-container {
        padding: var(--spacing-md) !important;
        overflow-x: hidden;
    }
}

@media (max-width: 700px) {
    .header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .header h1 {
        font-size: 1.5rem !important;
        flex-direction: column;
        gap: var(--spacing-xs);
        width: 100%;
    }
    
    .header-actions {
        display: grid !important;
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: var(--spacing-sm) !important;
        justify-items: center;
        width: 100%;
        max-width: none;
    }
    
    .header-actions .btn {
        width: 100%;
        justify-content: center;
        min-height: 44px;
    }
    
    .stat-card {
        padding: var(--spacing-md) !important;
    }
    
    .stat-card h3 {
        font-size: 1.5rem !important;
    }
    
    .stat-card p {
        font-size: 0.875rem !important;
    }
    
    .bulk-actions h3, 
    .table-header h3 {
        font-size: 1.125rem !important;
    }
    
    .table-wrapper {
        overflow-x: auto !important;
        border-radius: var(--radius-lg);
    }
    
    table {
        font-size: 0.8rem !important;
        min-width: 600px !important;
    }
    
    th, td {
        padding: var(--spacing-sm) !important;
    }
}

@media (max-width: 500px) {
    .header {
        padding: var(--spacing-md) !important;
    }
    
    .header-actions {
        flex-direction: column !important;
        align-items: stretch !important;
        width: 100%;
    }
    
    .header-actions .btn {
        width: 100% !important;
        max-width: none !important;
        margin-bottom: var(--spacing-xs) !important;
        justify-content: center;
    }
    
    .user-section img {
        width: 64px !important;
        height: 64px !important;
    }
    
    .stat-card {
        flex-direction: column !important;
        text-align: center;
        padding: var(--spacing-md) !important;
    }
    
    .stat-card i {
        margin: 0 auto;
    }
    
    .stat-info h3, 
    .stat-info p {
        font-size: 0.875rem !important;
    }
    
    .modal-content {
        width: 98vw !important;
        max-width: 98vw !important;
        margin: var(--spacing-xs) !important;
    }
    
    .bulk-item {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }
    
    .bulk-item input {
        width: 100%;
    }
}

/* Enhanced Table Scrolling */
.table-wrapper {
    overflow-x: auto;
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
    font-size: 0.875rem;
}

/* Modern Utility Classes */
.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

body.dark-mode .glass-effect {
    background: rgba(30, 41, 59, 0.3);
    border-color: rgba(255, 255, 255, 0.1);
}

.card-hover {
    transition: var(--transition-normal);
}

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

/* Improved Icon Styles */
i.fas, i.far, i.fab {
    transition: var(--transition-fast);
}

.btn i {
    font-size: 0.875rem;
}

.header h1 i {
    font-size: 1.5rem;
    margin-right: var(--spacing-xs);
}

/* Enhanced Status Indicators */
.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-right: var(--spacing-xs);
    animation: pulse 2s infinite;
}

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

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

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

/* Modern Search Input */
.search-input {
    position: relative;
}

.search-input::before {
    content: '\f002';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    z-index: 1;
    pointer-events: none;
}

.search-input input {
    padding-left: calc(var(--spacing-xl) + var(--spacing-sm)) !important;
}

/* Generated Keys Display Container */
.generated-keys-container {
    margin-top: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(102, 126, 234, 0.1);
    transition: var(--transition-normal);
}

.generated-keys-container:hover {
    box-shadow: var(--shadow-lg);
    border-color: rgba(102, 126, 234, 0.2);
}

.generated-keys-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--bg-tertiary);
}

.generated-keys-header h4 {
    color: var(--primary-color);
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.generated-keys-header h4 i {
    color: var(--primary-color);
    font-size: 1rem;
}

.copy-all-btn {
    padding: var(--spacing-sm) var(--spacing-md) !important;
    font-size: 0.875rem !important;
    border-radius: var(--radius-md) !important;
    transition: all var(--transition-normal) !important;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    white-space: nowrap;
}

.copy-all-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.copy-all-btn.btn-success {
    background: linear-gradient(135deg, var(--success-color), #059669) !important;
    border-color: var(--success-color) !important;
    color: white !important;
}

.keys-display-area {
    margin-bottom: var(--spacing-md);
}

.keys-display-area textarea {
    font-family: 'Courier New', Consolas, 'Liberation Mono', Menlo, Courier, monospace !important;
    font-size: 13px !important;
    line-height: 1.5 !important;
    padding: var(--spacing-md) !important;
    border: 1px solid var(--border-color, #e2e8f0) !important;
    border-radius: var(--radius-md) !important;
    background: var(--surface-color, #f8fafc) !important;
    color: var(--text-primary) !important;
    resize: vertical !important;
    transition: var(--transition-normal) !important;
    min-height: 120px !important;
    width: 100% !important;
    box-sizing: border-box !important;
}

.keys-display-area textarea:focus {
    outline: none !important;
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1) !important;
}

.keys-display-area textarea::-webkit-scrollbar {
    width: 8px;
}

.keys-display-area textarea::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.keys-display-area textarea::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: var(--radius-sm);
    opacity: 0.6;
}

.keys-display-area textarea::-webkit-scrollbar-thumb:hover {
    opacity: 1;
}

.generated-keys-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-muted);
    font-size: 0.875rem;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--info-color);
}

.generated-keys-info i {
    color: var(--info-color);
    font-size: 0.875rem;
}

/* Dark mode styles for generated keys */
body.dark-mode .generated-keys-container {
    background: var(--bg-secondary);
    border-color: rgba(102, 126, 234, 0.2);
}

body.dark-mode .generated-keys-container:hover {
    border-color: rgba(102, 126, 234, 0.3);
}

body.dark-mode .generated-keys-header {
    border-bottom-color: var(--bg-tertiary);
}

body.dark-mode .keys-display-area textarea {
    background: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border-color: var(--dark-bg-tertiary) !important;
}

body.dark-mode .generated-keys-info {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    border-left-color: var(--info-color);
}

/* Mobile responsive for generated keys */
@media (max-width: 768px) {
    .generated-keys-header {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-sm);
    }
    
    .generated-keys-header h4 {
        text-align: center;
        margin-bottom: var(--spacing-xs);
    }
    
    .copy-all-btn {
        width: 100%;
        justify-content: center;
    }
    
    .keys-display-area textarea {
        font-size: 12px !important;
        min-height: 100px !important;
    }
    
    .generated-keys-info {
        text-align: center;
    }
}

/* Bulk Generate Modal Specific Styles */
#bulkGenerateModal .modal-content {
    max-height: 90vh;
    overflow-y: auto;
    width: 90%;
    max-width: 600px;
}

#bulkGenerateModal .form-group {
    margin-bottom: 15px;
}

#bulkGenerateModal .form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--text-primary);
}

#bulkGenerateModal input, 
#bulkGenerateModal select, 
#bulkGenerateModal textarea {
    padding: 8px 12px;
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: var(--transition-normal);
}

#bulkGenerateModal input:focus, 
#bulkGenerateModal select:focus, 
#bulkGenerateModal textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Compact generated keys container for modal */
#bulkGenerateModal .generated-keys-container {
    border-radius: var(--radius-md);
    overflow: hidden;
}

#bulkGenerateModal .generated-keys-container .keys-display-area textarea {
    border-radius: var(--radius-sm);
    font-size: 11px !important;
    line-height: 1.3 !important;
}

/* Dark mode adjustments for bulk modal */
body.dark-mode #bulkGenerateModal input,
body.dark-mode #bulkGenerateModal select,
body.dark-mode #bulkGenerateModal textarea {
    background: var(--bg-tertiary);
    border-color: var(--dark-bg-tertiary);
    color: var(--text-primary);
}

body.dark-mode #bulkGenerateModal .generated-keys-container {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
}

/* Dark mode for simplified generated keys display */
body.dark-mode #bulkGeneratedKeys div[style*="background: #ffffff"] {
    background: #1e293b !important;
    border-color: #667eea !important;
}

body.dark-mode #bulkGeneratedKeys div[style*="background: #f8fafc"] {
    background: #334155 !important;
    border-color: #667eea !important;
}

body.dark-mode #bulkGeneratedKeys h4[style*="color: #667eea"] {
    color: #667eea !important;
}

body.dark-mode #bulkGeneratedKeys textarea {
    background: #334155 !important;
    border-color: #475569 !important;
    color: #f1f5f9 !important;
}

body.dark-mode #bulkGeneratedKeys div[style*="background: #f0f4f8"] {
    background: #334155 !important;
    border-color: #475569 !important;
    color: #cbd5e1 !important;
}

body.dark-mode #bulkGeneratedKeys button {
    background: #475569 !important;
    color: #f1f5f9 !important;
}

body.dark-mode #bulkGeneratedKeys button:hover {
    background: #64748b !important;
}

/* Mobile responsive for bulk generation modal */
@media (max-width: 768px) {
    #bulkGenerateModal .form-group[style*="flex"] {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 10px !important;
    }
    
    #bulkGenerateModal .form-group[style*="flex"] > div:first-child {
        flex: none !important;
    }
    
    #bulkGenerateModal .form-group[style*="flex"] input {
        width: 100% !important;
        margin-top: 5px;
    }
    
    #bulkGenerateModal .form-group[style*="flex"] > div:last-child {
        justify-content: center !important;
        width: 100%;
    }
    
    #bulkGenerateModal .form-group[style*="flex"] button {
        flex: 1;
        min-width: 100px;
    }
}