body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f3f6f9;
    margin: 0;
    padding: 0;
}

.contenedor {
    width: 80%;
    margin: 30px auto;
    background: white;
    box-shadow: 0 0 15px rgba(0,0,0,0.1);
    border-radius: 8px;
    overflow: hidden;
}

header {
    background-color: #0b4fa7;
    color: white;
    padding: 20px;
    text-align: center;
}

    header h1 {
        margin: 0;
        font-size: 26px;
    }

    header h2 {
        margin-top: 5px;
        font-weight: normal;
        font-size: 18px;
    }

.panel-consulta {
    padding: 20px;
    text-align: center;
    background-color: #e8eef7;
    border-bottom: 1px solid #ccc;
}

    .panel-consulta label {
        font-weight: bold;
        margin-right: 10px;
    }

.menu-consulta {
    padding: 5px;
    margin-right: 10px;
    border-radius: 5px;
}

.boton {
    background-color: #0b4fa7;
    color: white;
    border: none;
    padding: 8px 14px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
}

    .boton:hover {
        background-color: #083c80;
    }

.panel-resultados {
    padding: 20px;
}

.tabla {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

    .tabla th, .tabla td {
        border: 1px solid #ccc;
        padding: 8px;
        text-align: center;
    }

    .tabla th {
        background-color: #0b4fa7;
        color: white;
    }

    .tabla tr:nth-child(even) {
        background-color: #f9f9f9;
    }

footer {
    background-color: #0b4fa7;
    color: white;
    text-align: center;
    padding: 10px;
    font-size: 13px;
}