.calculador-fechas-container {
    max-width: 500px;
    margin: 20px 0;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: #f9f9f9;
}

.calculador-fechas-container h3 {
    margin-top: 0;
    color: #333;
}

.calculador-form {
    margin-bottom: 20px;
}

.calculador-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #555;
}

.fecha-input {
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
}

.calcular-btn {
    background-color: #007cba;
    color: white;
    padding: 8px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.calcular-btn:hover {
    background-color: #005a87;
}

.calcular-btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

.resultado-container {
    padding: 15px;
    background-color: white;
    border: 1px solid #e1e1e1;
    border-radius: 4px;
    margin-top: 15px;
}

.resultado-container h4 {
    margin-top: 0;
    color: #333;
}

.fecha-original {
    color: #666;
}

.fecha-resultado {
    color: #0C67B1;
    font-size: 18px;
}

.dias-pasados {
    color: #666;
    font-style: italic;
}

.dias-restantes {
    font-weight: bold;
    font-size: 16px;
}

.error-message {
    color: #d32f2f;
    background-color: #ffebee;
    padding: 10px;
    border-radius: 4px;
    margin-top: 10px;
}