* {
    font-family: 'Inter', sans-serif;
}

:root {
    --primary-color: #3B82F6;
    --secondary-color: #1E40AF;
    --accent-color: #F59E0B;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --error-color: #EF4444;
    --dark-bg: #0F172A;
    --dark-card: #1E293B;
    --dark-text: #F1F5F9;
}

.dark {
    background-color: var(--dark-bg);
    color: var(--dark-text);
}

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

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

.dark .text-gray-700 {
    color: #CBD5E1 !important;
}

.dark .border-gray-300 {
    border-color: #475569 !important;
}

.gradient-bg {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.dark .gradient-bg {
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
}

.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.input-focus {
    transition: all 0.3s ease;
}

.input-focus:focus {
    transform: scale(1.02);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

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

.loader {
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    display: inline-block;
}

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

.currency-rate {
    font-size: 0.75rem;
    color: #6B7280;
    margin-top: 2px;
}

.dark .currency-rate {
    color: #9CA3AF;
}

.page-section {
    min-height: 100vh;
    padding: 2rem 0;
}

.nav-link {
    transition: all 0.3s ease;
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .page-section {
        page-break-inside: avoid;
        min-height: auto;
    }
}

.chart-container {
    position: relative;
    height: 400px;
    margin: 2rem 0;
}