* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.5;
  color: #1c2530;
  background: #f5f7fa;
}

header,
main,
footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 16px;
}

header {
  padding-top: 24px;
}

h1 {
  font-size: 1.7rem;
  margin: 0 0 8px;
}

h2 {
  font-size: 1.2rem;
  margin: 0 0 12px;
}

section {
  background: #ffffff;
  border: 1px solid #d9e0e8;
  border-radius: 8px;
  padding: 16px;
  margin: 16px 0;
}

.campo {
  margin-bottom: 12px;
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 4px;
}

input,
select {
  width: 100%;
  padding: 8px;
  font-size: 1rem;
  border: 1px solid #aab4c0;
  border-radius: 6px;
  background: #ffffff;
}

button {
  padding: 10px 24px;
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
  background: #0b5cad;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
}

button:hover,
button:focus {
  background: #084a8d;
}

.error {
  color: #a31515;
  min-height: 1.5em;
}

.resumen {
  font-size: 1.3rem;
  font-weight: 700;
  color: #0b5cad;
}

table {
  width: 100%;
  border-collapse: collapse;
}

caption {
  text-align: left;
  font-weight: 600;
  padding-bottom: 6px;
}

th,
td {
  padding: 6px 8px;
  border-bottom: 1px solid #e4e9ef;
  text-align: left;
  font-weight: 400;
}

td {
  text-align: right;
  white-space: nowrap;
}

tr.total th,
tr.total td {
  font-weight: 700;
}

ul {
  padding-left: 20px;
}

a {
  color: #0b5cad;
}

footer {
  padding-bottom: 24px;
  font-size: 0.9rem;
  color: #55606d;
}