/* catalog.css — UniBooks: copertine, card dei libri e pagina catalogo.
   Caricato su catalogo/ricerca, home, scheda libro (libri simili) e negozio del venditore.
   Le card vivono qui perché le usano tutti questi contesti. */

/* ============================================================
   1. Copertina del libro (foto reale o copertina "carta" generata)
   ============================================================ */

.ub-cover {
  --ub-rail: 7px;
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  container: ub-cover / inline-size;
  font-family: Arial, Helvetica, sans-serif;
}

/* foto */

.ub-cover--photo {
  background: var(--ub-paper);
  border: 1px solid var(--ub-line);
  border-radius: 8px;
}

.ub-cover__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ub-cover--contain .ub-cover__img {
  object-fit: contain;
}

/* copertina generata */

.ub-cover--generated {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto auto;
  padding: 5.5%;
  padding-left: calc(5.5% + 2px);
  background: var(--ub-paper);
  border-left: var(--ub-rail) solid var(--ub-navy);
  border-radius: 1px 8px 8px 1px;
  box-shadow: 0 10px 30px rgb(17 28 78 / 6%);
  color: var(--ub-navy);
  text-align: left;
}

.ub-cover__logo {
  font-size: clamp(11px, 5cqw, 18px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: 0.2px;
}

.ub-cover__logo b {
  color: var(--ub-primary);
  font-weight: 800;
}

.ub-cover__logo::after {
  content: "";
  display: block;
  width: 2.6em;
  height: 3px;
  margin-top: 0.8em;
  background: var(--ub-coral);
  border-radius: 2px;
}

.ub-cover__title {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 6;
  line-clamp: 6;
  align-self: center;
  min-width: 0;
  max-height: 100%;
  margin: 6% 0;
  overflow: hidden;
  font-size: clamp(13px, 10.4cqw, 38px);
  font-weight: 750;
  line-height: 1.1;
  letter-spacing: -0.02em;
  overflow-wrap: break-word;
  text-wrap: balance;
  hyphens: auto;
}

.ub-cover__author {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  margin: 0 0 6%;
  color: #4a5878;
  font-size: clamp(11px, 5.4cqw, 17px);
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.ub-cover__footer {
  display: block;
  padding-top: 5%;
  border-top: 1px solid #d9d2c4;
  font-size: clamp(10px, 4.9cqw, 15px);
  line-height: 1.3;
}

.ub-cover__university {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.ub-cover__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 6px;
}

.ub-cover__pill {
  padding: 0.35em 0.75em;
  background: rgb(255 255 255 / 65%);
  border: 1px solid #d3cbbb;
  border-radius: 999px;
  font-size: clamp(9px, 4.1cqw, 13px);
  line-height: 1.1;
  letter-spacing: 0.2px;
}

/* scheda libro: copertina più grande */

.ub-cover--single {
  --ub-rail: 10px;
  max-width: 380px;
}

.ub-cover--single .ub-cover__title {
  -webkit-line-clamp: 8;
  line-clamp: 8;
  font-size: clamp(22px, 10.6cqw, 42px);
}

.ub-cover--single .ub-cover__logo {
  font-size: clamp(15px, 5cqw, 20px);
}

.ub-cover--single .ub-cover__author {
  font-size: clamp(13px, 4.8cqw, 18px);
}

.ub-cover--single .ub-cover__footer {
  font-size: clamp(12px, 4.2cqw, 15px);
}

.ub-cover--single .ub-cover__pill {
  font-size: clamp(11px, 3.6cqw, 14px);
}

/* ============================================================
   2. Elenco dei libri: griglia 4 / 3 / 2 / 1
   ============================================================ */

.ub-main ul.products {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  gap: 26px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ub-main ul.products::before,
.ub-main ul.products::after {
  content: none;
}

.ub-main ul.products > li.ub-card {
  display: flex;
  float: none;
  width: auto;
  min-width: 0;
  margin: 0;
  padding: 0;
  background: var(--ub-white);
  border: 1px solid var(--ub-line);
  border-radius: 12px;
  box-shadow: 0 2px 10px rgb(17 28 78 / 5%);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.ub-main ul.products > li.ub-card:hover {
  border-color: var(--ub-primary);
  box-shadow: 0 10px 24px rgb(17 28 78 / 8%);
  transform: translateY(-2px);
}

.ub-main ul.products > li.ub-card:focus-within {
  border-color: var(--ub-primary);
}

.ub-native-body .ub-card__link {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-width: 0;
  padding: 14px;
  color: inherit;
  text-decoration: none;
}

.ub-native-body .ub-card__link:focus-visible {
  outline: 3px solid var(--ub-primary);
  outline-offset: 2px;
  border-radius: 12px;
}

.ub-card__media {
  position: relative;
  flex: 0 0 auto;
}

.ub-card__flag {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  padding: 4px 9px;
  background: var(--ub-navy);
  border-radius: 4px;
  color: var(--ub-white);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
}

.ub-card.outofstock .ub-cover {
  opacity: 0.55;
}

.ub-card__body {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-width: 0;
}

.ub-main .ub-card__title {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  overflow: hidden;
  margin: 14px 0 4px;
  padding: 0;
  color: var(--ub-navy);
  font-size: 17px;
  font-weight: 650;
  line-height: 1.3;
  letter-spacing: -0.2px;
  overflow-wrap: anywhere;
}

.ub-main .ub-card__author {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  margin: 0 0 6px;
  color: var(--ub-muted);
  font-size: 14px;
  line-height: 1.4;
}

.ub-main .ub-card__facts {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  margin: 0 0 12px;
  color: var(--ub-muted);
  font-size: 13px;
  line-height: 1.45;
}

.ub-card__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 10px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--ub-line);
}

.ub-card__bottom .price {
  margin-left: auto;
  color: var(--ub-navy);
  font-size: 18px;
  font-weight: 750;
  line-height: 1.2;
  white-space: nowrap;
}

.ub-card__bottom .price del {
  margin-right: 4px;
  color: var(--ub-muted);
  font-size: 0.8em;
  font-weight: 400;
  opacity: 1;
}

.ub-card__bottom .price ins {
  color: var(--ub-primary);
  text-decoration: none;
}

/* ============================================================
   3. Pagina catalogo (negozio, tassonomie, ricerca)
   ============================================================ */

.ub-native-catalog {
  width: 100%;
  max-width: var(--ub-shell);
  margin: 0 auto;
  padding: 24px 40px 64px;
}

.ub-native-catalog__hero {
  margin: 0 0 28px;
  padding: 36px 28px 30px;
  background: var(--ub-pale);
  border-radius: 16px;
}

.ub-main .ub-native-catalog__title {
  max-width: 900px;
  margin: 0 0 20px;
  color: var(--ub-navy);
  font-size: clamp(26px, 4vw, 42px);
  font-weight: 750;
  line-height: 1.14;
  letter-spacing: -0.6px;
  overflow-wrap: anywhere;
}

.ub-native-catalog__desc {
  max-width: 720px;
  margin: -6px 0 20px;
  color: var(--ub-muted);
}

.ub-native-catalog__desc p:last-child {
  margin-bottom: 0;
}

.ub-native-catalog__body {
  position: relative;
}

.ub-catalog-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
  margin: 0 0 20px;
}

.ub-native-catalog .woocommerce-result-count {
  margin: 0;
  color: var(--ub-muted);
  font-size: 14px;
}

.ub-native-catalog .woocommerce-ordering {
  margin: 0;
}

.ub-native-catalog .woocommerce-ordering select {
  min-height: 44px;
  padding: 6px 34px 6px 12px;
  background-color: var(--ub-white);
  border: 1px solid var(--ub-field);
  border-radius: 8px;
  color: var(--ub-navy);
  font: 15px/1.3 var(--ub-font);
}

.ub-native-catalog .woocommerce-pagination {
  margin-top: 36px;
}

.ub-native-catalog .woocommerce-pagination ul.page-numbers {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  border: 0;
  list-style: none;
}

.ub-native-catalog .woocommerce-pagination .page-numbers li {
  margin: 0;
  border: 0;
}

.ub-native-body .ub-native-catalog .woocommerce-pagination .page-numbers :is(a, span) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0 12px;
  background: var(--ub-white);
  border: 1px solid var(--ub-line);
  border-radius: 8px;
  color: var(--ub-navy);
  font-weight: 600;
  text-decoration: none;
}

.ub-native-body .ub-native-catalog .woocommerce-pagination .page-numbers a:hover {
  border-color: var(--ub-primary);
  color: var(--ub-primary);
}

.ub-native-body .ub-native-catalog .woocommerce-pagination .page-numbers .current {
  background: var(--ub-navy);
  border-color: var(--ub-navy);
  color: var(--ub-white);
}

.ub-native-body .ub-native-catalog .woocommerce-pagination .page-numbers .dots {
  border-color: transparent;
  background: transparent;
}

/* nessun risultato */

.ub-empty {
  margin: 8px 0 0;
  padding: 56px 24px;
  background: var(--ub-band);
  border: 1px solid var(--ub-line);
  border-radius: 16px;
  text-align: center;
}

.ub-main .ub-empty__title {
  margin: 0 0 10px;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 750;
  letter-spacing: -0.4px;
}

.ub-main .ub-empty__text {
  max-width: 460px;
  margin: 0 auto 22px;
  color: var(--ub-muted);
}

/* ============================================================
   4. Responsive
   ============================================================ */

@media (max-width: 1100px) {
  .ub-native-catalog {
    padding-inline: 24px;
  }

  .ub-main ul.products {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .ub-main ul.products {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .ub-native-catalog__hero {
    padding: 28px 20px 24px;
  }
}

/* telefono: un libro per riga, copertina a sinistra */

@media (max-width: 520px) {
  .ub-native-catalog {
    padding: 16px 16px 48px;
  }

  .ub-native-catalog__hero {
    padding: 22px 16px 20px;
    border-radius: 12px;
  }

  .ub-main ul.products {
    grid-template-columns: minmax(0, 1fr);
    grid-auto-rows: auto;
    gap: 12px;
  }

  .ub-native-body .ub-card__link {
    flex-direction: row;
    gap: 14px;
    padding: 12px;
  }

  .ub-card__media {
    flex: 0 0 104px;
    width: 104px;
  }

  .ub-cover {
    --ub-rail: 5px;
  }

  .ub-card__media .ub-cover__author,
  .ub-card__media .ub-cover__footer {
    display: none;
  }

  .ub-card__media .ub-cover__title {
    margin: 4% 0;
    font-size: clamp(9px, 9.4cqw, 16px);
    hyphens: manual;
  }

  .ub-card__media .ub-cover__logo {
    font-size: 10px;
  }

  .ub-card__flag {
    top: 6px;
    right: 6px;
    padding: 2px 6px;
    font-size: 10px;
  }

  .ub-main .ub-card__title {
    margin-top: 0;
    font-size: 16px;
  }

  .ub-main .ub-card__author {
    font-size: 14px;
  }

  .ub-card__bottom {
    padding-top: 10px;
  }

  .ub-catalog-toolbar {
    align-items: stretch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ub-main ul.products > li.ub-card {
    transition: none;
  }

  .ub-main ul.products > li.ub-card:hover {
    transform: none;
  }
}