:root {
    /* Modern marketplace color palette */
    --primary-color: #6366f1;
    --primary-hover: #5b5bd6;
    --secondary-color: #f59e0b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    
    /* Background colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #1e293b;
    --bg-darker: #0f172a;
    
    /* Text colors */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-light: #ffffff;
    
    /* Border colors */
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --border-dark: #475569;
    
    /* 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);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-success: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    --gradient-info: linear-gradient(135deg, var(--info-color) 0%, #2563eb 100%);
}

/* Light theme (default) */
body {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
}

/* Card styling */
.card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease-in-out;
}

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

.card-header {
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-light);
    border-radius: 12px 12px 0 0 !important;
    font-weight: 600;
    color: var(--text-primary);
}

/* Navigation styling */
.navbar {
    background: var(--bg-primary) !important;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    font-weight: 700;
    color: var(--primary-color) !important;
    font-size: 1.5rem;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.nav-link.active {
    color: var(--primary-color) !important;
    font-weight: 600;
}

/* Sidebar styling */
.sidebar {
    background-color: var(--bg-primary) !important;
    border-right: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

/* Button styling */
.btn-primary {
    background-color: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: 6px;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: all 0.2s ease;
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: white;
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-medium);
    color: var(--text-primary);
    border-radius: 6px;
    font-weight: 500;
}

.btn-secondary:hover {
    background-color: var(--border-light);
    border-color: var(--border-dark);
}

/* Form styling */
.form-control, .form-select {
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    transition: all 0.2s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(99 102 241 / 0.1);
}

/* Badge styling */
.badge {
    border-radius: 6px;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
}

.bg-success {
    background: var(--gradient-success) !important;
}

.bg-info {
    background: var(--gradient-info) !important;
}

.bg-warning {
    background-color: var(--warning-color) !important;
}

.bg-danger {
    background-color: var(--danger-color) !important;
}

/* Dark theme support */
[data-bs-theme="dark"] {
    --bg-primary: #1e293b;
    --bg-secondary: #0f172a;
    --bg-tertiary: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-light: #475569;
    --border-medium: #64748b;
}

[data-bs-theme="dark"] body {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

[data-bs-theme="dark"] .navbar {
    background: var(--bg-primary) !important;
    border-bottom-color: var(--border-light);
}

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

[data-bs-theme="dark"] .card-body,
[data-bs-theme="dark"] .card-header,
[data-bs-theme="dark"] .card-footer {
    background-color: transparent !important;
    color: var(--text-primary) !important;
}

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

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

[data-bs-theme="dark"] .sidebar {
    background-color: var(--bg-primary) !important;
    border-right-color: var(--border-light);
}

[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
    background-color: var(--bg-tertiary) !important;
    border-color: var(--border-medium) !important;
    color: var(--text-primary) !important;
}

[data-bs-theme="dark"] .form-control:focus,
[data-bs-theme="dark"] .form-select:focus {
    background-color: var(--bg-tertiary) !important;
    border-color: var(--primary-color) !important;
    color: var(--text-primary) !important;
}

[data-bs-theme="dark"] .btn-secondary {
    background-color: var(--bg-tertiary) !important;
    border-color: var(--border-medium) !important;
    color: var(--text-primary) !important;
}

[data-bs-theme="dark"] .btn-outline-secondary {
    border-color: var(--border-medium) !important;
    color: var(--text-secondary) !important;
}

[data-bs-theme="dark"] .btn-outline-secondary:hover {
    background-color: var(--bg-tertiary) !important;
    border-color: var(--border-light) !important;
    color: var(--text-primary) !important;
}

[data-bs-theme="dark"] .bg-light {
    background-color: var(--bg-tertiary) !important;
}

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

[data-bs-theme="dark"] .dropdown-menu {
    background-color: var(--bg-primary) !important;
    border-color: var(--border-light) !important;
}

[data-bs-theme="dark"] .dropdown-item {
    color: var(--text-primary) !important;
}

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

[data-bs-theme="dark"] .breadcrumb-item a {
    color: var(--primary-color) !important;
}

[data-bs-theme="dark"] .breadcrumb-item.active {
    color: var(--text-muted) !important;
}

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

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

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

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