.cf-calculadora-fotovoltaica {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
    max-width: 600px;
    margin: 20px auto;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.cf-container {
    padding: 30px;
}

.cf-header h2 {
    color: #1e40af;
    margin-bottom: 8px;
    font-size: 24px;
    font-weight: 700;
}

.cf-header p {
    color: #64748b;
    margin-bottom: 24px;
    font-size: 16px;
}

.cf-input-group {
    margin-bottom: 20px;
}

.cf-input-group label {
    display: block;
    margin-bottom: 8px;
    color: #374151;
    font-weight: 600;
    font-size: 14px;
}

.cf-input-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.cf-input-group input:focus {
    outline: none;
    border-color: #f59e0b;
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

.cf-btn-calcular {
    width: 100%;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    border: none;
    padding: 16px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
}

.cf-btn-calcular:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(245, 158, 11, 0.3);
}

.cf-btn-calcular:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.cf-resultados {
    margin-top: 30px;
    padding: 24px;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.cf-resultados h3 {
    color: #059669;
    margin-bottom: 20px;
    font-size: 20px;
    font-weight: 700;
}

.cf-resultados-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.cf-resultado-item {
    background: white;
    padding: 16px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.cf-label {
    display: block;
    color: #64748b;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 4px;
}

.cf-valor {
    display: block;
    color: #1e40af;
    font-size: 18px;
    font-weight: 700;
}

@media (max-width: 480px) {
    .cf-container {
        padding: 20px;
    }
    
    .cf-resultados-grid {
        grid-template-columns: 1fr;
    }
}