/* Modern Color Palette */
:root {
    --primary-blue: #3b82f6;
    --primary-purple: #8b5cf6;
    --dark-bg: #0f172a;
    --dark-card: #1e293b;
    --dark-border: #334155;
    --text-light: #f1f5f9;
    --text-muted: #94a3b8;
    --success-green: #10b981;
    --warning-yellow: #f59e0b;
    --danger-red: #ef4444;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

/* Enhanced Dark Theme */
.dark {
    background-color: var(--dark-bg);
    color: var(--text-light);
}

/* Force dark theme for all elements */
body.dark,
body.dark * {
    color: var(--text-light) !important;
}

/* Sidebar specific styling */
.dark .sidebar,
.dark nav {
    background-color: var(--dark-card) !important;
    color: var(--text-light) !important;
}

/* Navigation bar styling */
.dark .navbar,
.dark .top-nav {
    background-color: var(--dark-card) !important;
    border-color: var(--dark-border) !important;
}

.dark .bg-white {
    background-color: var(--dark-card) !important;
    color: var(--text-light) !important;
}

.dark .bg-gray-50 {
    background-color: #1a202c !important;
}

.dark .bg-gray-100 {
    background-color: #2d3748 !important;
}

.dark .bg-gray-200 {
    background-color: #4a5568 !important;
}

.dark .text-gray-900 {
    color: var(--text-light) !important;
}

.dark .text-gray-800 {
    color: var(--text-light) !important;
}

.dark .text-gray-700 {
    color: #e2e8f0 !important;
}

.dark .text-gray-600 {
    color: var(--text-muted) !important;
}

.dark .border-gray-200 {
    border-color: var(--dark-border) !important;
}

.dark .border-gray-300 {
    border-color: var(--dark-border) !important;
}

/* Form Elements */
.dark input,
.dark select,
.dark textarea {
    background-color: #374151 !important;
    border-color: #4b5563 !important;
    color: var(--text-light) !important;
}

.dark input:focus,
.dark select:focus,
.dark textarea:focus {
    border-color: var(--primary-blue) !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1) !important;
}

/* Cards and Components */
.card {
    background-color: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.dark .card {
    background-color: var(--dark-card);
    border-color: var(--dark-border);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-purple) 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Gradients */
.gradient-bg {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

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

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

/* Sidebar Styles */
.sidebar {
    background-color: var(--dark-card);
    border-right: 1px solid var(--dark-border);
}

.dark .sidebar {
    background-color: var(--dark-card);
    border-color: var(--dark-border);
}

/* Navigation */
.nav-link {
    color: var(--text-muted);
    transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-light);
}

/* Tables */
.dark table {
    background-color: var(--dark-card);
}

.dark th {
    background-color: #374151;
    color: var(--text-light);
    border-color: var(--dark-border);
}

.dark td {
    border-color: var(--dark-border);
    color: var(--text-light);
}

/* Modals */
.dark .modal-content {
    background-color: var(--dark-card);
    color: var(--text-light);
    border-color: var(--dark-border);
}

/* Dropdowns */
.dark .dropdown-menu {
    background-color: var(--dark-card);
    border-color: var(--dark-border);
}

.dark .dropdown-item {
    color: var(--text-light);
}

.dark .dropdown-item:hover {
    background-color: #374151;
    color: var(--text-light);
}

/* Status Badges */
.badge-success {
    background-color: var(--success-green);
    color: white;
}

.badge-warning {
    background-color: var(--warning-yellow);
    color: white;
}

.badge-danger {
    background-color: var(--danger-red);
    color: white;
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--dark-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #4b5563;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container-fluid {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner {
    border: 2px solid var(--dark-border);
    border-top: 2px solid var(--primary-blue);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

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

/* Enhanced Focus States */
.dark input:focus,
.dark select:focus,
.dark textarea:focus,
.dark button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Print Styles */
@media print {
    .sidebar,
    .navbar,
    .btn,
    .no-print {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}