/* Formularios: buscador, search-form, alertas. */
label { font-weight: 600; font-size: var(--fs-small); display: block; margin-bottom: .35rem; }
input, select, textarea {
  width: 100%; padding: .65rem .8rem;
  border: 1px solid var(--color-line); border-radius: var(--radius-sm);
  background: var(--color-surface); color: var(--color-ink);
  transition: border-color var(--transition);
}
input:focus, select:focus, textarea:focus { border-color: var(--color-primary); outline-offset: 1px; }
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--color-muted) 50%), linear-gradient(135deg, var(--color-muted) 50%, transparent 50%); background-position: calc(100% - 18px) 1.1rem, calc(100% - 12px) 1.1rem; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 2.2rem; }

/* Buscador (home + archivo) */
.buscador { background: var(--color-surface); border-radius: var(--radius); padding: var(--sp-m); box-shadow: var(--shadow); }
.buscador label { color: var(--color-ink); }
.buscador__row { display: grid; gap: var(--sp-s); grid-template-columns: 1fr; align-items: end; }
@media (min-width: 720px) {
  .hero-home .buscador__row { grid-template-columns: repeat(4, 1fr); }
}
.buscador__submit { height: 46px; width: 100%; grid-column: 1 / -1; }
.buscador__limpiar { display: inline-block; margin-top: var(--sp-s); color: var(--color-muted); font-size: var(--fs-small); text-decoration: underline; }

.buscador__field.is-advanced { display: none; }
.buscador.show-advanced .buscador__field.is-advanced { display: block; }
.buscador__advanced-toggle-wrapper { grid-column: 1 / -1; display: flex; justify-content: flex-end; margin-top: var(--sp-xs); margin-bottom: var(--sp-xs); }
.btn-toggle-advanced { background: transparent; border: none; padding: 0; font-size: var(--fs-small); color: var(--color-ink); text-decoration: underline; cursor: pointer; font-weight: 700; font-family: inherit; }

/* Grupo de moneda y precio en buscador */
.buscador__precio-group { display: flex; }
.buscador__precio-group select.buscador__moneda { 
    width: auto; 
    min-width: 65px;
    border-top-right-radius: 0; 
    border-bottom-right-radius: 0; 
    border-right: 0; 
}
.buscador__precio-group input#b-precio { 
    flex: 1; 
    border-top-left-radius: 0; 
    border-bottom-left-radius: 0; 
}
.buscador__precio-group select.buscador__moneda:focus {
    z-index: 1;
    border-right: 1px solid var(--color-primary);
}

/* search-form */
.search-form { display: flex; gap: var(--sp-xs); }
.search-form__input { flex: 1; }
.search-form__btn { background: var(--color-primary); color: #fff; padding: .65rem 1.2rem; border-radius: var(--radius-sm); font-weight: 700; }

/* Formulario de alertas */
.alertas-form {
  background: var(--color-primary); color: #fff;
  border-radius: var(--radius); padding: var(--sp-l);
  display: grid; gap: var(--sp-m); grid-template-columns: 1fr;
}
@media (min-width: 860px) { .alertas-form { grid-template-columns: 1fr 1.4fr; align-items: center; } }
.alertas-form h2 { color: #fff; }
.alertas-form__text p { color: rgba(255,255,255,.85); margin: 0; }
.alertas-form__form { display: grid; gap: var(--sp-s); grid-template-columns: 1fr 1fr; }
.alertas-form__form .btn { grid-column: 1 / -1; }
.alertas-form label { color: rgba(255,255,255,.9); }
@media (max-width: 560px) { .alertas-form__form { grid-template-columns: 1fr; } }