:root {
    /* Fonts */
    --font-main: 'Cairo', sans-serif;
    --font-heading: 'Cairo', sans-serif;
    --font-num: 'Cairo', sans-serif;

    /* Light Theme (Slate/Indigo Palette) */
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --bg-header: rgba(255, 255, 255, 0.8);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --input-bg: #ffffff;
    --table-hover: #f1f5f9;
    --modal-bg: #ffffff;

    /* Brand Colors */
    --primary-color: #4f46e5;
    /* Indigo 600 */
    --primary-light: #818cf8;
    /* Indigo 400 */
    --primary-dark: #3730a3;
    /* Indigo 800 */
    --accent-color: #f59e0b;
    /* Amber 500 */

    --bg-sidebar: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);

    /* Effects */
    --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);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-blur: blur(12px);
}

[data-theme="dark"] {
    /* Dark Theme (Deep Slate Palette) */
    --bg-body: #020617;
    --bg-card: #0f172a;
    --bg-header: rgba(15, 23, 42, 0.8);
    --text-primary: #f8fafc;
    --text-secondary: #e2e8f0;
    /* Lighter for better contrast */
    --text-muted: #cbd5e1;
    /* Lighter (was #64748b) */
    --border-color: #1e293b;
    --input-bg: #020617;
    --table-hover: #1e293b;
    --modal-bg: #0f172a;

    /* Brand adjustments for dark mode */
    --primary-color: #818cf8;
    /* Brighten primary for dark bg */
    --primary-light: #a5b4fc;
    --bg-sidebar: linear-gradient(180deg, #020617 0%, #0f172a 100%);

    --glass-bg: rgba(15, 23, 42, 0.7);
}

/* Fix specific elements in Dark Mode */
[data-theme="dark"] .breadcrumb {
    background-color: transparent !important;
}

[data-theme="dark"] .form-label,
[data-theme="dark"] .card-title,
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6 {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .text-muted,
[data-theme="dark"] .form-text {
    color: var(--text-muted) !important;
}

/* Fix for Dark Mode Tables and Data Lists */
[data-theme="dark"] .data-table,
[data-theme="dark"] .table-responsive {
    background-color: var(--bg-card) !important;
}

[data-theme="dark"] .table {
    --bs-table-bg: var(--bg-card);
    --bs-table-striped-bg: var(--table-hover);
    --bs-table-hover-bg: var(--table-hover);
    --bs-table-color: var(--text-primary);
    background-color: var(--bg-card) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .table thead th {
    background-color: var(--bg-body) !important;
    color: var(--text-secondary) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .table tbody td {
    background-color: var(--bg-card) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .table tbody tr {
    background-color: var(--bg-card) !important;
}

[data-theme="dark"] .table tbody tr:hover {
    background-color: var(--table-hover) !important;
}

[data-theme="dark"] .table-header {
    background-color: var(--bg-card) !important;
    border-color: var(--border-color) !important;
}

[data-theme="dark"] .table tbody td strong {
    color: var(--text-primary) !important;
}

[data-theme="dark"] .border-bottom {
    border-color: var(--border-color) !important;
}

/* Fix for pagination in dark mode */
[data-theme="dark"] .pagination .page-link {
    background-color: var(--bg-card) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary) !important;
}

[data-theme="dark"] .pagination .page-item.active .page-link {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: white !important;
}

[data-theme="dark"] .pagination .page-link:hover {
    background-color: var(--table-hover) !important;
}

/* Fix for filter sections in dark mode */
[data-theme="dark"] .p-3.border-bottom {
    background-color: var(--table-hover) !important;
}

/* Global Typography */
body {
    font-family: var(--font-main);
    background-color: var(--bg-body);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
    line-height: 1.6;
    font-size: 15px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
}

.numbers,
.stat-value,
.badge {
    font-family: var(--font-num);
}

/* Glassmorphism Classes */
.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
}

/* Layout Components */
.main-header {
    background: var(--bg-header);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border-color);
}

.stat-card,
.data-table,
.modal-content,
.card {
    background: var(--bg-card) !important;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

/* Text Enhancements */
.page-title,
.stat-value,
.table-title,
.modal-title,
.user-name {
    color: var(--text-primary) !important;
    letter-spacing: -0.01em;
}

.stat-label,
.sidebar-subtitle,
.text-muted,
.small-desc {
    color: var(--text-muted) !important;
    font-weight: 500;
}

/* Table Design */
.table thead th {
    background-color: var(--bg-body);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr {
    transition: background-color 0.2s ease;
}

.table tbody tr:hover {
    background-color: var(--table-hover);
}

/* Inputs, Tables, Modals Fixes */
.table-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.table tbody td {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
    color: var(--text-primary);
}

/* Inputs */
.form-control,
.form-select {
    background-color: var(--input-bg);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    padding: 0.6rem 1rem;
    transition: all 0.2s ease;
}

.form-control:focus,
.form-select:focus {
    background-color: var(--input-bg);
    color: var(--text-primary);
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

/* Modals Body/Footer */
.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 20px 25px;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 15px 25px;
}

/* Theme Toggle Button */
.theme-toggle-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.theme-toggle-btn:hover {
    background-color: var(--table-hover);
    color: var(--primary-color);
    transform: scale(1.05);
}

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

::-webkit-scrollbar-track {
    background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 20px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}