:root {
  --az-bg: #f3f7fc;
  --az-card: #ffffff;
  --az-border: #d9e6f5;
  --az-primary: #0078d4;
  --az-primary-dark: #005a9e;
  --az-text: #1b1b1b;
  --az-muted: #5f6b7a;
  --az-table-head: #eef5fd;
  font-family: "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top, #ffffff 0%, var(--az-bg) 45%, #ecf4fe 100%);
  color: var(--az-text);
}

.contenedor {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.4rem;
}

.hero {
  background: linear-gradient(100deg, #083b72, #0d5cb6 55%, #0078d4);
  color: #fff;
  border-radius: 12px;
  padding: 1.2rem 1.4rem;
  box-shadow: 0 8px 24px rgba(0, 63, 120, 0.18);
  margin-bottom: 1rem;
}

.hero h1 {
  margin: 0 0 0.25rem;
  font-size: 1.75rem;
}

.hero p {
  margin: 0;
  opacity: 0.92;
}

.busqueda,
.detalle,
.grid {
  background: var(--az-card);
  border: 1px solid var(--az-border);
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(0, 62, 121, 0.08);
}

.busqueda,
.detalle {
  padding: 1rem;
  margin-bottom: 1rem;
}

.busqueda label {
  display: block;
  margin-bottom: 0.45rem;
  font-weight: 600;
  color: var(--az-muted);
}

.busqueda-fila {
  display: flex;
  gap: 0.6rem;
}

input[type='text'] {
  flex: 1;
  font-size: 1rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid #a8c7eb;
  border-radius: 6px;
  outline: none;
}

input[type='text']:focus {
  border-color: var(--az-primary);
  box-shadow: 0 0 0 3px rgba(0, 120, 212, 0.2);
}

button {
  padding: 0.65rem 1.2rem;
  font-weight: 600;
  color: #fff;
  border: 1px solid var(--az-primary-dark);
  border-radius: 6px;
  background: linear-gradient(180deg, #1983d8, #006dc1);
  cursor: pointer;
}

button:hover {
  background: linear-gradient(180deg, #0f7ace, #005ea8);
}

.mensaje {
  min-height: 1.2rem;
  margin-bottom: 0;
  margin-top: 0.5rem;
  color: var(--az-muted);
}

.oculto {
  display: none;
}

.detalle h2 {
  margin: 0 0 0.75rem;
  color: #0a4f93;
}

.detalle-contenido {
  display: flex;
  gap: 1rem;
}

.foto {
  width: 140px;
  height: 170px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid #bed5f0;
  background: #f0f6fd;
}

.detalle-texto p {
  margin: 0.35rem 0;
}

.grid {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
}

.grid thead {
  background: var(--az-table-head);
}

.grid th,
.grid td {
  padding: 0.7rem;
  border-bottom: 1px solid #e2edf9;
  text-align: left;
}

.grid tbody tr {
  cursor: pointer;
}

.grid tbody tr:hover {
  background: #edf5ff;
}

.grid tbody tr.seleccionado {
  background: #d8ebff;
}