/* Calculadora IMC - Estilos */
.imc-calculator-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.imc-header h2 {
    color: #2c5aa0;
    text-align: center;
    margin-bottom: 20px;
    font-size: 28px;
    font-weight: 600;
}

.imc-info {
    background: linear-gradient(135deg, #f8f9ff 0%, #e8f2ff 100%);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    border-left: 4px solid #2c5aa0;
}

.imc-info p {
    margin: 0 0 10px 0;
    color: #555;
    line-height: 1.6;
}

.imc-info p:last-child {
    margin-bottom: 0;
}

.imc-form {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 12px;
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 25px;
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-group {
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
    font-size: 16px;
}

.form-group input {
    width: 100%;
    padding: 12px 40px 12px 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-group input:focus {
    outline: none;
    border-color: #2c5aa0;
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
}

.input-suffix {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
    font-weight: 600;
    pointer-events: none;
    margin-top: 14px;
}

.btn-calcular {
    background: linear-gradient(135deg, #2c5aa0 0%, #1e3f73 100%);
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: block;
    margin: 0 auto;
    min-width: 200px;
}

.btn-calcular:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(44, 90, 160, 0.3);
}

.btn-calcular:active {
    transform: translateY(0);
}

.imc-resultado {
    margin: 30px 0;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.resultado-card {
    background: linear-gradient(135deg, #fff 0%, #f8f9ff 100%);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    border: 2px solid #e8f2ff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.resultado-card h3 {
    color: #333;
    margin-bottom: 20px;
    font-size: 24px;
}

.imc-valor {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #2c5aa0;
}

.imc-categoria {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
    padding: 10px 20px;
    border-radius: 25px;
    display: inline-block;
}

.imc-descripcion {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
    max-width: 500px;
    margin: 0 auto;
}

/* Colores por categoría */
.bajo-peso .imc-categoria,
.resultado-card.bajo-peso .imc-categoria {
    background: #e3f2fd;
    color: #1565c0;
}

.normal .imc-categoria,
.resultado-card.normal .imc-categoria {
    background: #e8f5e8;
    color: #2e7d32;
}

.sobrepeso .imc-categoria,
.resultado-card.sobrepeso .imc-categoria {
    background: #fff3e0;
    color: #f57c00;
}

.obesidad-1 .imc-categoria,
.obesidad-2 .imc-categoria,
.obesidad-3 .imc-categoria,
.resultado-card.obesidad-1 .imc-categoria,
.resultado-card.obesidad-2 .imc-categoria,
.resultado-card.obesidad-3 .imc-categoria {
    background: #ffebee;
    color: #c62828;
}

.imc-tabla {
    margin: 40px 0;
}

.imc-tabla h3 {
    color: #333;
    margin-bottom: 20px;
    font-size: 22px;
    text-align: center;
}

.imc-tabla table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.imc-tabla th {
    background: #2c5aa0;
    color: white;
    padding: 15px 10px;
    text-align: center;
    font-weight: 600;
}

.imc-tabla td {
    padding: 12px 10px;
    text-align: center;
    border-bottom: 1px solid #eee;
}

.imc-tabla tr:last-child td {
    border-bottom: none;
}

.imc-tabla tr:nth-child(even) {
    background: #f8f9fa;
}

.imc-tabla tr.highlight {
    background: #fff3cd !important;
    font-weight: 600;
    border: 2px solid #ffc107;
}

.imc-tabla .bajo-peso {
    border-left: 4px solid #1565c0;
}

.imc-tabla .normal {
    border-left: 4px solid #2e7d32;
}

.imc-tabla .sobrepeso {
    border-left: 4px solid #f57c00;
}

.imc-tabla .obesidad-1,
.imc-tabla .obesidad-2,
.imc-tabla .obesidad-3 {
    border-left: 4px solid #c62828;
}

.imc-nota {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #ffc107;
    margin-top: 30px;
}

.imc-nota p {
    margin: 0;
    color: #666;
    line-height: 1.6;
    font-size: 14px;
}

/* Loading spinner */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #ffffff;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsivo */
@media (max-width: 768px) {
    .imc-calculator-container {
        margin: 10px;
        padding: 15px;
    }
    
    .imc-header h2 {
        font-size: 24px;
    }
    
    .imc-form {
        padding: 20px;
    }
    
    .resultado-card {
        padding: 20px;
    }
    
    .imc-valor {
        font-size: 36px;
    }
    
    .imc-categoria {
        font-size: 20px;
    }
    
    .imc-tabla th,
    .imc-tabla td {
        padding: 8px 5px;
        font-size: 14px;
    }
}

/* Accesibilidad */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}