body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f8f9fa;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

h1 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 30px;
    font-size: 2.5rem;
    font-weight: 300;
}

#chart-container {
    background-color: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    margin-bottom: 20px;
}

#fx-chart {
    width: 100%;
    height: 500px;
}

.loading {
    text-align: center;
    padding: 40px;
    font-size: 1.2rem;
    color: #6c757d;
}

.error {
    background-color: #f8d7da;
    color: #721c24;
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
    border-left: 4px solid #dc3545;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    text-align: center;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: bold;
    color: #2c3e50;
}

.stat-label {
    color: #6c757d;
    font-size: 0.9rem;
    margin-top: 5px;
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    #chart-container {
        padding: 20px;
    }
    
    #fx-chart {
        height: 400px;
    }
}