:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --bg-color: #f3f4f6;
    --card-bg: #ffffff;
    --text-color: #1f2937;
    --border-color: #e5e7eb;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.5;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

h2 {
    margin-top: 0;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.half {
    flex: 1;
}

label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

input[type="text"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    box-sizing: border-box; /* Fix padding issue */
}

input[type="range"] {
    width: 100%;
}

small {
    display: block;
    color: #6b7280;
    margin-top: 0.25rem;
    font-size: 0.875rem;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: background-color 0.2s;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.badge.active {
    background-color: #dcfce7;
    color: #166534;
}

.badge.inactive {
    background-color: #f3f4f6;
    color: #6b7280;
}

.badge.warning {
    background-color: #fef9c3;
    color: #854d0e;
}

/* Results */
.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.metric-card {
    background: #f8fafc;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.metric-card h3 {
    margin: 0;
    font-size: 0.875rem;
    color: #6b7280;
}

.metric-card .value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-top: 0.5rem;
}

.metric-card.highlight .value {
    color: var(--primary);
}

.evaluation-box {
    background: #eff6ff;
    border-left: 4px solid var(--primary);
    padding: 1rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.visualization-container {
    text-align: center;
    background: #000;
    border-radius: 8px;
    padding: 1rem;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.visualization-container h3 {
    color: #fff;
    margin-bottom: 1rem;
}

img#vizImage {
    max-width: 100%;
    border-radius: 4px;
    box-shadow: 0 4px 6px rgba(255, 255, 255, 0.1);
}

.loading-spinner {
    color: white;
    font-size: 1.2rem;
}

/* Mobile Optimization */
@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .status-badges {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .container {
        padding: 1rem;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .metric-card .value {
        font-size: 1.25rem;
    }
}