* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
    color: white;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.controls {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.run-selector select {
    padding: 8px 16px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 14px;
    background: white;
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.run-selector select:focus {
    outline: none;
    border-color: #667eea;
}

.metric-toggle {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.metric-toggle label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: 500;
    color: #555;
}

.metric-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #667eea;
}

.charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(600px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.chart-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.chart-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}

.chart-card h3 {
    margin-bottom: 20px;
    color: #333;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.chart-card canvas {
    max-height: 400px;
    width: 100% !important;
}

.run-summary, .config-details {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.run-summary h3, .config-details h3 {
    margin-bottom: 20px;
    color: #333;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.run-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.run-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.run-card h4 {
    color: #667eea;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.run-card p {
    margin-bottom: 8px;
    color: #666;
    font-size: 0.9rem;
}

.run-card .metric {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
}

.run-card .metric .value {
    font-weight: 600;
    color: #333;
}

.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.config-item {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
}

.config-item .label {
    font-size: 0.8rem;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 5px;
}

.config-item .value {
    font-size: 1.2rem;
    font-weight: 600;
    color: #333;
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .charts-container {
        grid-template-columns: 1fr;
    }
    
    .chart-card {
        padding: 20px;
    }
    
    .run-grid, .config-grid {
        grid-template-columns: 1fr;
    }
}

/* Chart.js customizations */
.chartjs-tooltip {
    background: rgba(0,0,0,0.8) !important;
    color: white !important;
    border-radius: 8px !important;
    padding: 10px !important;
    font-size: 12px !important;
}

/* Loading state */
.loading {
    text-align: center;
    padding: 40px;
    color: #666;
}

.loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
}

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