:root {
    --primary-color: #3b82f6;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --danger-color: #ef4444;
}

/* Dark mode variables */
.dark {
    --primary-color: #60a5fa;
    --secondary-color: #34d399;
    --accent-color: #fbbf24;
    --danger-color: #f87171;
}

/* Chart container styles */
.chart-section {
    @apply bg-white dark:bg-gray-800 rounded-lg shadow-lg p-6 transition-all duration-300 hover:shadow-xl;
}

.chart-header {
    @apply flex justify-between items-center mb-6 pb-4 border-b border-gray-200 dark:border-gray-700;
}

.chart-title {
    @apply text-xl font-bold text-gray-800 dark:text-white;
}

.chart-actions {
    @apply flex space-x-2;
}

.chart-canvas {
    @apply mb-6;
}

.chart-description {
    @apply text-gray-600 dark:text-gray-300 mb-4;
}

.data-table {
    @apply w-full border-collapse mt-4;
}

.data-table th,
.data-table td {
    @apply border border-gray-200 dark:border-gray-700 px-4 py-2 text-left;
}

.data-table th {
    @apply bg-gray-100 dark:bg-gray-700 font-semibold text-gray-800 dark:text-white;
}

.data-table td {
    @apply text-gray-700 dark:text-gray-300;
}

/* Navigation styles */
.nav-item {
    @apply block px-4 py-2 text-gray-700 dark:text-gray-300 rounded-lg hover:bg-blue-100 dark:hover:bg-gray-700 hover:text-blue-600 dark:hover:text-blue-400 transition-all duration-200 cursor-pointer;
}

.nav-item.active {
    @apply bg-blue-100 dark:bg-gray-700 text-blue-600 dark:text-blue-400 font-medium;
}

/* Button styles */
.btn {
    @apply px-4 py-2 rounded-lg font-medium transition-all duration-200 focus:outline-none focus:ring-2 focus:ring-offset-2;
}

.btn-primary {
    @apply bg-blue-600 text-white hover:bg-blue-700 focus:ring-blue-500;
}

.btn-secondary {
    @apply bg-gray-200 dark:bg-gray-700 text-gray-700 dark:text-gray-300 hover:bg-gray-300 dark:hover:bg-gray-600 focus:ring-gray-500;
}

.btn-success {
    @apply bg-green-600 text-white hover:bg-green-700 focus:ring-green-500;
}

/* Loading animation */
.loading {
    @apply flex items-center justify-center py-8;
}

.loading-spinner {
    @apply animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600;
}

/* Fade in animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

/* Custom scrollbar for dark mode */
.dark ::-webkit-scrollbar {
    width: 8px;
}

.dark ::-webkit-scrollbar-track {
    background: #374151;
}

.dark ::-webkit-scrollbar-thumb {
    background: #6b7280;
    border-radius: 4px;
}

.dark ::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .chart-section {
        @apply p-4;
    }
    
    .chart-header {
        @apply flex-col items-start space-y-2;
    }
    
    .data-table {
        @apply text-sm;
    }
}

/* Print styles */
@media print {
    .chart-actions,
    .btn,
    #themeToggle {
        display: none !important;
    }
    
    .chart-section {
        @apply shadow-none border border-gray-300;
        page-break-inside: avoid;
    }
}