/* =========================================
   5. CALCULADORA RÁPIDA (IMC)
   ========================================= */
.calculator {
    padding: 6rem 0;
    background-color: var(--white);
}

.calculator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.calculator-box {
    background-color: #f9fbf9;
    /* Verde extra sutil */
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    margin-top: 2rem;
    border: 1px solid rgba(76, 175, 80, 0.1);
}

/* Formulario */
.imc-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-size: 0.95rem;
}

.input-group input {
    padding: 0.8rem 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition);
    outline: none;
}

.input-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
}

.btn-calc {
    grid-column: span 2;
    margin-top: 1rem;
    width: 100%;
    font-size: 1.1rem;
}

/* Caja de Resultados */
.imc-result {
    margin-top: 2rem;
    margin-bottom: 0;
    padding-top: 2rem;
    border-top: 2px dashed #ddd;
    text-align: center;
    transition: var(--transition);
}

.imc-result.hidden {
    display: none;
}

.result-number {
    font-size: 1.8rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.result-number span {
    color: var(--primary-color);
    font-weight: 800;
}

.result-category {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: inline-block;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
}

/* Colores dinámicos para categorías (se aplicarán con JS) */
.cat-bajo {
    background-color: #fff3e0;
    color: #e65100;
}

.cat-normal {
    background-color: #e8f5e9;
    color: #2e7d32;
}

.cat-sobrepeso {
    background-color: #fff8e1;
    color: #f57f17;
}

.cat-obesidad {
    background-color: #ffebee;
    color: #c62828;
}

.result-disclaimer {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.4;
}

/* Imagen decorativa */
.calc-img {
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

/* Responsive */
@media (max-width: 992px) {
    .calculator-container {
        grid-template-columns: 1fr;
    }

    .calculator-image {
        order: -1;
        /* Mueve la imagen arriba en móviles */
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 576px) {
    .imc-form {
        grid-template-columns: 1fr;
        /* Una columna para los inputs */
    }

    .btn-calc {
        grid-column: span 1;
    }
}