/* Tailwind-inspired utility classes */
.min-h-screen { min-height: 100vh; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-white { background-color: #ffffff; }
.text-gray-800 { color: #1f2937; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.font-bold { font-weight: 700; }
.flex { display: flex; }
.justify-center { justify-content: center; }
.items-center { align-items: center; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.p-6 { padding: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.max-w-6xl { max-width: 72rem; }
.rounded-lg { border-radius: 0.5rem; }
.shadow-md { 
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); 
}

/* Base styles */
* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #333;
}

.container {
    width: 100%;
    padding-left: 1rem;
    padding-right: 1rem;
}

/* Chart specific styles */
.chart-container {
    position: relative;
    margin: 20px 0;
    height: 400px;
}

/* Responsive design */
@media (max-width: 768px) {
    .text-3xl {
        font-size: 1.5rem;
        line-height: 2rem;
    }
    
    .px-4 {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
    
    .p-6 {
        padding: 1rem;
    }
}

.button:hover {
    background-color: #45a049;
}