:root {
  --marca: #478d13;
  --marca-oscuro: #1d3e04;
  --gris-fondo: #f4f4f2;
  --texto: #262422;
  --borde: #ddd8d3;
  --verde: #2e7d32;
}
* { box-sizing: border-box; }
body {
  font-family: -apple-system, Segoe UI, Arial, sans-serif;
  background: var(--gris-fondo);
  color: var(--texto);
  margin: 0;
}
header.top {
  background: linear-gradient(135deg, var(--marca-oscuro), var(--marca));
  color: #fff;
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
header.top .brand { font-size: 1.4rem; font-weight: 700; letter-spacing: 0.5px; display: flex; align-items: center; gap: 12px; }
header.top .brand .logo { height: 42px; width: auto; }
header.top nav a {
  color: #fff;
  text-decoration: none;
  margin-left: 18px;
  font-size: 0.92rem;
  opacity: 0.9;
}
header.top nav a:hover { opacity: 1; text-decoration: underline; }
header.top nav { display: flex; align-items: center; }
header.top nav span, header.top nav form { margin-left: 18px; }
header.top nav form button { font-size: 0.92rem; opacity: 0.9; }
header.top nav form button:hover { opacity: 1; }
main { max-width: 980px; margin: 0 auto; padding: 28px; }
h1 { font-size: 1.5rem; margin-top: 0; }
h2 { font-size: 1.15rem; color: var(--marca-oscuro); }
.card {
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: 10px;
  padding: 22px 26px;
  margin-bottom: 20px;
}
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px 20px; }
label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 4px; color: #444; }
input, select, textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--borde); border-radius: 6px; font-size: 0.95rem; font-family: inherit; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--marca); border-color: var(--marca); }
.checkbox-row { display: flex; align-items: center; gap: 8px; margin-top: 6px; }
.checkbox-row input { width: auto; }
.actions { margin-top: 22px; display: flex; gap: 12px; }
button, .btn {
  background: var(--marca);
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
button:hover, .btn:hover { background: var(--marca-oscuro); }
.btn.secundario { background: #6b6b6b; }
summary.btn { list-style: none; }
summary.btn::-webkit-details-marker { display: none; }
summary.btn::before { content: "▸ "; }
details[open] > summary.btn::before { content: "▾ "; }
.btn.secundario:hover { background: #4d4d4d; }
.opciones-familia { display: flex; gap: 20px; flex-wrap: wrap; }
.opciones-familia a.card {
  flex: 1 1 260px;
  text-align: center;
  text-decoration: none;
  color: var(--texto);
  transition: box-shadow 0.15s;
}
.opciones-familia a.card:hover { box-shadow: 0 4px 14px rgba(0,0,0,0.08); }
.opciones-familia .icono { font-size: 2.2rem; margin-bottom: 8px; }
table { width: 100%; border-collapse: collapse; }
table th, table td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--borde); font-size: 0.92rem; }
table th { color: #555; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.4px; }
.total-box {
  background: var(--gris-fondo);
  border: 1px solid var(--borde);
  border-radius: 8px;
  padding: 16px 20px;
  margin-top: 14px;
}
.total-box .linea { display: flex; justify-content: space-between; padding: 4px 0; font-size: 0.95rem; }
.total-box .grande { font-size: 1.3rem; font-weight: 700; color: var(--marca-oscuro); border-top: 1px solid var(--borde); margin-top: 8px; padding-top: 10px; }
.badge { display: inline-block; background: #eee; border-radius: 999px; padding: 2px 10px; font-size: 0.78rem; margin-left: 8px; }
.badge.ok { background: #e3f3e4; color: var(--verde); }
.badge.warn { background: #fdecea; color: #b3261e; }
.ayuda { font-size: 0.82rem; color: #777; margin-top: 3px; }
.fieldset-title { font-weight: 700; margin: 18px 0 8px; color: var(--marca-oscuro); border-bottom: 1px solid var(--borde); padding-bottom: 4px; }
.categoria-precios { margin-bottom: 26px; }
a.volver { color: var(--marca-oscuro); text-decoration: none; font-size: 0.9rem; }