.caja-section {
    width: 95%;
    margin: 20px auto;
    font-family: 'Segoe UI', Tahoma, sans-serif;
}

.caja-section h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #1e3a8a; /* azul oscuro elegante */
    font-weight: bold;
    letter-spacing: 1px;
}

.caja-table {
    width: 100%;
    border-collapse: collapse;
    border: 2px solid #1e40af; /* borde azul */
    border-radius: 12px;
    overflow: hidden;
}

.caja-table th, .caja-table td {
    padding: 12px 15px;
    text-align: center;
    border-bottom: 1px solid #dbeafe;
}

.caja-table thead {
    background-color: #1e40af;
    color: white;
    font-size: 15px;
    text-transform: uppercase;
}

.caja-table tbody tr:nth-child(even) {
    background-color: #f1f5f9;
}

.caja-table tbody tr:hover {
    background-color: #dbeafe;
    transition: 0.3s;
}

.caja-cont-volver {
    width: 100%;
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.caja-boton-volver {
    padding: 10px 20px;
    background-color: #1e3a8a;
    border: none;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.3s;
}

.caja-boton-volver:hover {
    background-color: #1d4ed8;
}