/* Grundläggande reset och typografi */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    padding: 20px;
    background-color: #f5f5f5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header styling */
header {
    text-align: center;
    margin-bottom: 1.5rem;
}

h1 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: calc(1.5rem + 0.5vw);
}

h2 {
    color: #34495e;
    font-size: calc(1rem + 0.2vw);
    margin-bottom: 0.8rem;
    text-align: center;
}

/* Container för diagram */
.charts-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    width: 95%;
    max-width: 1600px;
    margin: 0 auto;
    flex: 1;
}

/* Wrapper för varje diagram */
.chart-wrapper {
    background: white;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    aspect-ratio: 4/3;
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column;
}

/* Footer styling */
footer {
    text-align: center;
    margin-top: 1.5rem;
    color: #7f8c8d;
    font-size: 0.9rem;
    padding: 1rem;
}

/* Responsiv design för mindre skärmar */
@media (max-width: 1200px) {
    .charts-container {
        width: 98%;
        gap: 1rem;
    }
    
    .chart-wrapper {
        padding: 0.8rem;
    }
}

@media (max-width: 900px) {
    .charts-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .chart-wrapper {
        aspect-ratio: 16/9;
    }
    
    body {
        padding: 15px;
    }
}

@media (max-width: 600px) {
    body {
        padding: 10px;
    }
    
    .chart-wrapper {
        padding: 0.5rem;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    h2 {
        font-size: 1rem;
    }
}