/**
 * Front-end styles for the catalog blocks.
 *
 * These are structural only. Every colour, font and space is read from a custom
 * property that the theme sets in theme.json, so the blocks inherit the site's
 * design rather than imposing one — and they still look reasonable under a
 * different theme, because each property has a sensible fallback.
 */

:root {
  --fs-surface: var(--wp--preset--color--surface, #faf7ef);
  --fs-surface-raised: var(--wp--preset--color--surface-raised, #ffffff);
  --fs-surface-sunken: var(--wp--preset--color--surface-sunken, #f2ecdd);
  --fs-body: var(--wp--preset--color--body, #1b1d21);
  --fs-muted: var(--wp--preset--color--muted, #55575d);
  --fs-subtle: var(--wp--preset--color--subtle, #74767c);
  --fs-line: var(--wp--preset--color--line, #e2d9c6);
  --fs-line-strong: var(--wp--preset--color--line-strong, #c9bda3);
  --fs-accent: var(--wp--preset--color--accent, #b08d24);
  --fs-ink: var(--wp--preset--color--ink, #16181c);
  --fs-paper: var(--wp--preset--color--paper, #faf7ef);
  --fs-radius: 0.75rem;
  --fs-shadow-card: 0 1px 2px rgb(22 24 28 / 0.05), 0 8px 24px -12px rgb(22 24 28 / 0.18);
}

/* Ten muted accents. Used for small identifying marks only, never large
   fields, so no single book cover dictates the look of a page. */
.fs-accent-1 {
  --fs-cover-accent: #2c5f45;
}
.fs-accent-2 {
  --fs-cover-accent: #24466e;
}
.fs-accent-3 {
  --fs-cover-accent: #a84a33;
}
.fs-accent-4 {
  --fs-cover-accent: #5b3a63;
}
.fs-accent-5 {
  --fs-cover-accent: #1f5b5e;
}
.fs-accent-6 {
  --fs-cover-accent: #8a6820;
}
.fs-accent-7 {
  --fs-cover-accent: #3d4c5c;
}
.fs-accent-8 {
  --fs-cover-accent: #4c5d33;
}
.fs-accent-9 {
  --fs-cover-accent: #7a2f3c;
}
.fs-accent-10 {
  --fs-cover-accent: #3b3b7a;
}

@media (prefers-color-scheme: dark) {
  .fs-accent-1 {
    --fs-cover-accent: #67ae87;
  }
  .fs-accent-2 {
    --fs-cover-accent: #7ba7d8;
  }
  .fs-accent-3 {
    --fs-cover-accent: #e0917b;
  }
  .fs-accent-4 {
    --fs-cover-accent: #b189bb;
  }
  .fs-accent-5 {
    --fs-cover-accent: #66b0b2;
  }
  .fs-accent-6 {
    --fs-cover-accent: #d3ae5f;
  }
  .fs-accent-7 {
    --fs-cover-accent: #9aacbe;
  }
  .fs-accent-8 {
    --fs-cover-accent: #9db877;
  }
  .fs-accent-9 {
    --fs-cover-accent: #d98d9b;
  }
  .fs-accent-10 {
    --fs-cover-accent: #9797d4;
  }
}

/* --- Section ------------------------------------------------------------- */

.fs-section__heading {
  margin: 0 0 1.5rem;
  font-size: clamp(1.3rem, 1.15rem + 0.7vw, 1.625rem);
  line-height: 1.25;
}

/* --- Grids --------------------------------------------------------------- */

.fs-grid {
  display: grid;
  gap: 2.5rem 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.fs-grid--books {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.fs-grid--categories {
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr));
  gap: 1rem;
}

@media (min-width: 640px) {
  .fs-grid--books {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .fs-grid--books {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 2.5rem 1.75rem;
  }
}

.fs-grid__item {
  min-width: 0;
}

/* The "List" block style: one book per row, cover beside the text. */
.is-style-list .fs-grid--books {
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.is-style-list .fs-card {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
  padding: 1.25rem;
  border: 1px solid var(--fs-line);
  border-radius: var(--fs-radius);
  background: var(--fs-surface-raised);
}

.is-style-compact .fs-grid--books {
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 150px), 1fr));
  gap: 1.5rem 1rem;
}

/* --- Book card ----------------------------------------------------------- */

.fs-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.fs-card__cover-link {
  display: block;
  margin-bottom: 1rem;
  text-decoration: none;
}

.is-style-list .fs-card__cover-link {
  margin-bottom: 0;
}

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

.fs-card__eyebrow {
  margin: 0 0 0.35rem;
  overflow: hidden;
  color: var(--fs-subtle);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.fs-card__title {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.35;
}

.fs-card__title a {
  color: inherit;
  text-decoration: none;
}

/* Stretched link: the whole card is clickable, but there is still only one
   tab stop and the accessible name is the title. */
.fs-card__title a::after {
  position: absolute;
  inset: 0;
  content: '';
}

.fs-card__title a:hover {
  text-decoration: underline;
  text-decoration-color: var(--fs-accent);
  text-underline-offset: 4px;
}

.fs-card__summary {
  display: -webkit-box;
  overflow: hidden;
  margin: 0.5rem 0 0;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  color: var(--fs-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

.fs-card__meta {
  margin: 0.75rem 0 0;
}

/* --- Cover --------------------------------------------------------------- */

.fs-cover {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 2 / 3;
  border-radius: 2px;
  background: var(--fs-surface-sunken);
  box-shadow:
    0 1px 2px rgb(22 24 28 / 0.12),
    0 10px 28px -14px rgb(22 24 28 / 0.45);
}

.fs-cover__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.fs-cover--generated {
  display: flex;
  background: #f7f1e2;
  font-size: clamp(0.6rem, 0.4rem + 0.9vw, 0.95rem);
  user-select: none;
}

.fs-cover__spine {
  display: flex;
  width: 13%;
  flex-direction: column;
  flex-shrink: 0;
  align-items: center;
  justify-content: space-between;
  padding: 6% 0;
  background: #16181c;
}

.fs-cover__monogram {
  color: #c8a53f;
  font-size: 0.9em;
  font-weight: 600;
  line-height: 1;
}

.fs-cover__imprint {
  color: rgb(200 165 63 / 0.85);
  font-size: 0.6em;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.fs-cover__spine-number {
  color: rgb(200 165 63 / 0.6);
  font-size: 0.5em;
}

.fs-cover__face {
  position: relative;
  display: flex;
  min-width: 0;
  flex: 1;
  flex-direction: column;
}

.fs-cover__frame {
  position: absolute;
  inset: 5%;
  border: 1px solid rgb(200 165 63 / 0.55);
}

.fs-cover__head {
  position: relative;
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 11% 10% 0;
}

.fs-cover__eyebrow {
  margin: 0 0 6%;
  color: #8a7530;
  font-size: 0.6em;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-align: center;
  text-transform: uppercase;
}

.fs-cover__title {
  margin: 0;
  color: var(--fs-cover-accent, #24466e);
  font-weight: 600;
  line-height: 1.08;
  overflow-wrap: break-word;
  hyphens: auto;
  text-align: center;
}

.fs-cover__title--lg {
  font-size: 2.1em;
}
.fs-cover__title--md {
  font-size: 1.7em;
}
.fs-cover__title--sm {
  font-size: 1.35em;
}

.fs-cover__landscape {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 34%;
  color: var(--fs-cover-accent, #24466e);
}

.fs-cover__landscape svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.fs-cover__tagline {
  position: absolute;
  right: 0;
  bottom: 9%;
  left: 0;
  margin: 0;
  color: #f7f1e2;
  font-size: 0.62em;
  font-style: italic;
  font-weight: 500;
  text-align: center;
}

.fs-cover--empty {
  border: 1px dashed var(--fs-line-strong);
  box-shadow: none;
}

/* --- Badges -------------------------------------------------------------- */

.fs-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.5;
}

.fs-badge--success {
  background: #e6f0e9;
  color: #1f5c3d;
}
.fs-badge--info {
  background: #e6edf6;
  color: #1b4c86;
}
.fs-badge--accent {
  background: #f5ecd4;
  color: #7a6018;
}
.fs-badge--neutral {
  background: var(--fs-surface-sunken);
  color: var(--fs-muted);
}
.fs-badge--warning {
  background: #f8eddb;
  color: #8a5a12;
}
.fs-badge--danger {
  background: #f8e7e4;
  color: #a03328;
}
.fs-badge--outline {
  border: 1px solid var(--fs-line);
  color: var(--fs-muted);
}

@media (prefers-color-scheme: dark) {
  .fs-badge--success {
    background: #16241c;
    color: #6fbf92;
  }
  .fs-badge--info {
    background: #141d29;
    color: #7fb0e8;
  }
  .fs-badge--accent {
    background: #2a2519;
    color: #d8b455;
  }
  .fs-badge--warning {
    background: #262013;
    color: #d9a54f;
  }
  .fs-badge--danger {
    background: #2a1917;
    color: #e58b7f;
  }
}

/* --- Buttons ------------------------------------------------------------- */

.fs-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.7rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 0.375rem;
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  transition:
    background-color 0.15s ease,
    border-color 0.15s ease;
}

@media (prefers-reduced-motion: reduce) {
  .fs-button {
    transition: none;
  }
}

.fs-button--primary {
  background: var(--fs-ink);
  color: var(--fs-paper);
}

.fs-button--primary:hover {
  background: color-mix(in srgb, var(--fs-ink) 88%, transparent);
  color: var(--fs-paper);
}

.fs-button--secondary {
  border-color: var(--fs-line-strong);
  background: var(--fs-surface-raised);
  color: var(--fs-body);
}

.fs-button--secondary:hover {
  background: var(--fs-surface-sunken);
}

.fs-button--ghost {
  color: var(--fs-body);
}

.fs-button--ghost:hover {
  background: var(--fs-surface-sunken);
}

/* --- Purchase panel ------------------------------------------------------ */

.fs-purchase {
  padding: 1.5rem;
  border: 1px solid var(--fs-line);
  border-radius: var(--fs-radius);
  background: var(--fs-surface-raised);
}

.fs-purchase__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.fs-purchase__prices {
  margin: 1.25rem 0 0;
  padding: 1.25rem 0 0;
  border-top: 1px solid var(--fs-line);
  list-style: none;
}

.fs-purchase__prices li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.fs-purchase__format {
  color: var(--fs-muted);
  font-size: 0.875rem;
}

.fs-purchase__amount s {
  margin-right: 0.4rem;
  color: var(--fs-subtle);
}

.fs-purchase__amount strong {
  font-size: 1.125rem;
}

.fs-purchase__buttons {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--fs-line);
}

.fs-purchase__note {
  margin: 1rem 0 0;
  color: var(--fs-subtle);
  font-size: 0.75rem;
  line-height: 1.6;
}

/* --- Notices ------------------------------------------------------------- */

.fs-notice {
  margin: 1.25rem 0 0;
  padding: 0.9rem 1rem;
  border: 1px solid var(--fs-line);
  border-radius: var(--fs-radius);
  background: var(--fs-surface-sunken);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.fs-notice p {
  margin: 0;
}

.fs-notice p + p {
  margin-top: 0.5rem;
}

.fs-notice__title {
  font-weight: 600;
}

.fs-notice--info {
  border-color: rgb(27 76 134 / 0.3);
  background: #e6edf6;
}

.fs-scope__quote {
  font-style: italic;
}

/* --- Details ------------------------------------------------------------- */

.fs-details {
  margin-top: 2.5rem;
}

.fs-details__title {
  margin: 0 0 1rem;
  color: var(--fs-subtle);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.fs-details__list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--fs-muted);
  line-height: 1.7;
}

.fs-details__list li + li {
  margin-top: 0.4rem;
}

.fs-details__list::marker,
.fs-details__list li::marker {
  color: var(--fs-accent);
}

.fs-details__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.fs-details__grid {
  display: grid;
  gap: 0.75rem 2rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin: 0;
}

.fs-details__grid dt {
  color: var(--fs-subtle);
  font-size: 0.875rem;
}

.fs-details__grid dd {
  margin: 0;
  color: var(--fs-body);
}

.fs-mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.875rem;
}

/* --- Byline -------------------------------------------------------------- */

.fs-byline__subtitle {
  margin: 0 0 1rem;
  color: var(--fs-muted);
  font-size: 1.25rem;
  font-style: italic;
  line-height: 1.45;
}

.fs-byline__credits {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
  margin: 0;
  color: var(--fs-muted);
  font-size: 0.9375rem;
}

.fs-byline__series {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin: 1.25rem 0 0;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--fs-line);
  border-radius: 999px;
  background: var(--fs-surface-sunken);
  font-size: 0.9375rem;
}

.fs-byline__role {
  margin: 0.6rem 0 0;
  color: var(--fs-subtle);
  font-size: 0.875rem;
}

/* --- Filters ------------------------------------------------------------- */

.fs-filters {
  padding: 1.25rem;
  border: 1px solid var(--fs-line);
  border-radius: var(--fs-radius);
  background: var(--fs-surface-raised);
}

.fs-filters__row {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 782px) {
  .fs-filters__row {
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    align-items: end;
  }

  .fs-filters__field--search {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1100px) {
  .fs-filters__field--search {
    grid-column: span 2;
  }
}

.fs-filters__field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.fs-filters__field label {
  font-size: 0.875rem;
  font-weight: 500;
}

.fs-filters__field input,
.fs-filters__field select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--fs-line-strong);
  border-radius: 0.375rem;
  background: var(--fs-surface);
  color: var(--fs-body);
  font-size: 0.9375rem;
}

.fs-filters__hint {
  margin: 0;
  color: var(--fs-subtle);
  font-size: 0.75rem;
}

.fs-filters__availability {
  margin: 1rem 0 0;
  padding: 1rem 0 0;
  border: 0;
  border-top: 1px solid var(--fs-line);
}

.fs-filters__availability legend {
  padding: 0;
  font-size: 0.875rem;
  font-weight: 500;
}

.fs-filters__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.6rem;
}

.fs-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--fs-line-strong);
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.8125rem;
}

.fs-chip input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.fs-chip:has(input:checked) {
  border-color: transparent;
  background: var(--fs-ink);
  color: var(--fs-paper);
}

/* Keyboard focus must stay visible even though the input is off-screen. */
.fs-chip:has(input:focus-visible) {
  outline: 2px solid var(--fs-accent);
  outline-offset: 2px;
}

.fs-filters__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

/* --- Categories and subjects --------------------------------------------- */

.fs-category-card {
  position: relative;
  display: flex;
  height: 100%;
  flex-direction: column;
  padding: 1.25rem;
  border: 1px solid var(--fs-line);
  border-radius: var(--fs-radius);
  background: var(--fs-surface-raised);
}

.fs-category-card__rule {
  display: block;
  width: 2.25rem;
  height: 4px;
  margin-bottom: 1rem;
  border-radius: 999px;
  background: var(--fs-cover-accent, var(--fs-accent));
}

.fs-category-card__title {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.35;
}

.fs-category-card__title a {
  color: inherit;
  text-decoration: none;
}

.fs-category-card__title a::after {
  position: absolute;
  inset: 0;
  content: '';
}

.fs-category-card__description {
  display: -webkit-box;
  overflow: hidden;
  margin: 0.5rem 0 0;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  color: var(--fs-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

.fs-category-card__count {
  margin: 1rem 0 0;
  color: var(--fs-subtle);
  font-size: 0.75rem;
}

.fs-subjects {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.fs-subjects__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--fs-line);
  border-radius: 999px;
  background: var(--fs-surface-raised);
  color: var(--fs-muted);
  font-size: 0.875rem;
  text-decoration: none;
}

.fs-subjects__link:hover {
  border-color: var(--fs-line-strong);
  color: var(--fs-body);
}

.fs-subjects__count {
  color: var(--fs-subtle);
  font-size: 0.75rem;
}

/* --- Breadcrumbs --------------------------------------------------------- */

.fs-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.5rem;
  margin: 0;
  padding: 0;
  color: var(--fs-muted);
  font-size: 0.875rem;
  list-style: none;
}

.fs-breadcrumbs li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.fs-breadcrumbs a {
  color: inherit;
  text-decoration: none;
}

.fs-breadcrumbs a:hover {
  color: var(--fs-body);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.fs-breadcrumbs__sep {
  color: var(--fs-subtle);
}

/* --- Stats --------------------------------------------------------------- */

.fs-stats {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 32rem;
  margin: 0;
  padding-top: 2rem;
  border-top: 1px solid var(--fs-line);
}

.fs-stats__item dt {
  color: var(--fs-subtle);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.fs-stats__item dd {
  margin: 0.35rem 0 0;
  font-size: 1.5rem;
  font-weight: 600;
}

/* --- Audio --------------------------------------------------------------- */

.fs-audio {
  margin: 1.25rem 0 0;
  padding: 1rem;
  border: 1px solid var(--fs-line);
  border-radius: var(--fs-radius);
  background: var(--fs-surface-sunken);
}

.fs-audio__caption {
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.fs-audio audio {
  width: 100%;
}

.fs-muted {
  color: var(--fs-subtle);
  font-size: 0.875rem;
}

/* --- Utilities ----------------------------------------------------------- */

.screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  word-wrap: normal !important;
}

/* --- Free Companion Starter Kit claim ------------------------------------ */

.fs-claim {
  border: 1px solid var(--fs-rule, rgba(0, 0, 0, 0.12));
  border-radius: 8px;
  padding: 1.5rem;
  margin: 2rem 0;
}

.fs-claim__heading {
  margin: 0 0 0.5rem;
}

.fs-claim__intro {
  margin: 0 0 1rem;
}

.fs-claim__field,
.fs-claim__consent,
.fs-claim__actions {
  margin: 0 0 0.75rem;
}

.fs-claim__label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.fs-claim__input {
  width: 100%;
  max-width: 24rem;
  padding: 0.6rem 0.7rem;
}

.fs-claim__consent-label {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.fs-claim__note {
  font-size: 0.875rem;
  opacity: 0.8;
  margin: 0.5rem 0 0;
}

.fs-claim__message:empty {
  display: none;
}

.fs-claim__files {
  list-style: disc;
  margin: 0.5rem 0 0 1.25rem;
}

.fs-claim__file-meta {
  opacity: 0.75;
}

/*
 * The decoy stays in the accessibility tree's blind spot rather than using
 * display:none, which some automation skips. It is aria-hidden and untabbable,
 * so nobody reading the page can reach it.
 */
.fs-claim__decoy {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}