/* =====================================================================
   KATE KONOVKA — Catalogue page styles
   ===================================================================== */

/* ---------- Page Header ---------- */
.cat-header {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: var(--space-9) var(--page-padding-x) var(--space-7);
}

.cat-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.cat-breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--dur-1) var(--ease-out);
}
.cat-breadcrumb a:hover { color: var(--color-text-primary); }

.cat-breadcrumb__sep { user-select: none; }

.cat-header__body {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-6);
}

.cat-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, var(--text-3xl));
  font-weight: 400;
  line-height: 1.1;
  margin: 0;
}

.cat-header__meta {
  flex-shrink: 0;
  text-align: right;
}

.cat-header__meta p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-1);
}

.cat-header__meta strong {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 400;
  color: var(--color-text-primary);
}

/* ---------- Filter Bar ---------- */
.cat-bar {
  position: sticky;
  top: var(--nav-height-desktop);
  z-index: 90;
  background: var(--color-background);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.cat-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--page-padding-x);
}

.cat-bar__filters {
  display: flex;
  align-items: stretch;
}

.cat-filter-group {
  display: flex;
  align-items: center;
  padding: 0 var(--space-5) 0 0;
  margin-right: var(--space-5);
  border-right: 1px solid var(--color-border);
}

.cat-filter-group:last-child,
.cat-filter-group--sort {
  border-right: none;
  margin-right: 0;
  padding-right: 0;
}

.cat-bar__right {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-shrink: 0;
}

.cat-count {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* ---------- Custom Dropdown ---------- */
.cat-dd {
  position: relative;
}

.cat-dd__btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 16px 0;
  font-family: var(--font-body);
  color: var(--color-text-primary);
  white-space: nowrap;
  outline: none;
  transition: opacity var(--dur-1) var(--ease-out);
}

.cat-dd__btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.cat-dd__btn:hover .cat-dd__val { opacity: 0.7; }

.cat-dd__label {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-right: 2px;
}

.cat-dd__val {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-primary);
  transition: color var(--dur-1) var(--ease-out);
}

/* Highlight when a non-default value is selected */
.cat-dd.is-active .cat-dd__val {
  color: var(--color-gold);
}

.cat-dd__chevron {
  color: var(--color-text-muted);
  transition: transform var(--dur-2) var(--ease-out);
  flex-shrink: 0;
}

.cat-dd.is-open .cat-dd__chevron {
  transform: rotate(180deg);
}

/* Dropdown list panel */
.cat-dd__list {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  min-width: 200px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-dark);
  box-shadow: 0 8px 24px rgba(0,0,0,0.10);
  z-index: 200;
  list-style: none;
  margin: 0;
  padding: var(--space-2) 0;
  animation: ddFadeIn var(--dur-2) var(--ease-out) both;
}

/* Right-aligned list (for Sort) */
.cat-dd--right .cat-dd__list {
  left: auto;
  right: 0;
}

@keyframes ddFadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.cat-dd__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 9px var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: background var(--dur-1) var(--ease-out);
  user-select: none;
}

.cat-dd__item:hover {
  background: var(--color-background-alt);
}

.cat-dd__item.is-selected {
  font-weight: 500;
}

/* Checkmark for selected item */
.cat-dd__item::before {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}

.cat-dd__item.is-selected::before {
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='10' viewBox='0 0 12 10' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 5l3.5 3.5L11 1' stroke='%23B8965A' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

/* ---------- Active Pills ---------- */
.cat-pills {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: var(--space-2) var(--page-padding-x);
  max-width: var(--container-wide);
  margin: 0 auto;
  border-top: 1px solid var(--color-border);
}

.cat-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: transparent;
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  cursor: pointer;
  transition:
    background var(--dur-1) var(--ease-out),
    color var(--dur-1) var(--ease-out);
}

.cat-pill:hover {
  background: var(--color-gold);
  color: var(--color-surface);
}

.cat-pill span {
  font-size: 14px;
  line-height: 1;
}

.cat-pill--clear {
  border-color: var(--color-border-dark);
  color: var(--color-text-muted);
}

.cat-pill--clear:hover {
  background: var(--color-text-primary);
  border-color: var(--color-text-primary);
  color: var(--color-surface);
}

/* ---------- Main Content ---------- */
.cat-main {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: var(--space-8) var(--page-padding-x) var(--space-10);
  min-height: 60vh;
}

/* ---------- Art Grid ---------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-7) var(--space-5);
}

/* ---------- Empty State ---------- */
.cat-empty {
  text-align: center;
  padding: var(--space-10) var(--page-padding-x);
}

.cat-empty__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  margin: 0 0 var(--space-3);
  color: var(--color-text-primary);
}

.cat-empty__sub {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-6);
}

/* ---------- Responsive ---------- */
@media (max-width: 1200px) {
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  /* Filter bar: single horizontally-scrollable row */
  .cat-bar {
    top: var(--nav-height-mobile);
  }

  /* Scroll-hint gradient fades in from the right edge */
  .cat-bar::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 48px;
    background: linear-gradient(to right, transparent, var(--color-background));
    pointer-events: none;
    z-index: 10;
    opacity: 1;
    transition: opacity 250ms var(--ease-out);
  }

  /* Hide gradient once the user has scrolled to the end */
  .cat-bar.is-scrolled-end::after {
    opacity: 0;
  }

  .cat-bar__inner {
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 0;
    gap: 0;
    /* Left padding via first child, right padding via last child */
    padding-left: var(--page-padding-x);
  }

  .cat-bar__inner::-webkit-scrollbar { display: none; }

  .cat-bar__filters {
    flex-wrap: nowrap;
    flex-shrink: 0;
  }

  .cat-filter-group {
    flex-shrink: 0;
    padding: 0 var(--space-4) 0 0;
    margin-right: var(--space-4);
  }

  /* Restore right spacing on the last filter so its chevron
     doesn't press against the Sort divider border */
  .cat-bar__filters .cat-filter-group:last-child {
    padding-right: var(--space-4);
    margin-right: var(--space-2);
  }

  .cat-dd__btn {
    padding: 13px 0;
  }

  .cat-bar__right {
    flex-shrink: 0;
    padding-left: var(--space-4);
    padding-right: var(--page-padding-x);
    border-left: 1px solid var(--color-border);
    gap: var(--space-4);
  }

  /* Count: hidden on mobile — redundant at this screen size */
  .cat-count { display: none; }

  /* Dropdown list: can open downward freely */
  .cat-dd--right .cat-dd__list { right: auto; left: 0; }

  .cat-grid { grid-template-columns: repeat(2, 1fr); }

  .cat-header {
    padding-top: var(--space-7);
    padding-bottom: var(--space-5);
  }

  .cat-header__body {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .cat-header__meta { text-align: left; }

  .cat-main { padding-top: var(--space-6); }
}

@media (max-width: 500px) {
  .cat-grid { grid-template-columns: 1fr; }
}

/* ---------- Mobile Filter Bottom Sheet ---------- */
.cat-sheet-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 500;
  opacity: 0;
  transition: opacity var(--dur-2) var(--ease-out);
}

.cat-sheet-overlay.is-open {
  opacity: 1;
}

.cat-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-radius: 16px 16px 0 0;
  z-index: 510;
  transform: translateY(100%);
  transition: transform 250ms var(--ease-out);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  max-height: 70vh;
  overflow-y: auto;
}

.cat-sheet.is-open {
  transform: translateY(0);
}

.cat-sheet__handle {
  width: 36px;
  height: 4px;
  background: var(--color-border-dark);
  border-radius: 2px;
  margin: 12px auto 0;
  flex-shrink: 0;
}

.cat-sheet__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-5) var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.cat-sheet__title {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0;
}

.cat-sheet__close {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  transition: color var(--dur-1) var(--ease-out);
}

.cat-sheet__close:hover {
  color: var(--color-text-primary);
}

.cat-sheet__list {
  list-style: none;
  margin: 0;
  padding: var(--space-2) 0;
}

.cat-sheet__item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0 var(--space-5);
  min-height: 52px;
  font-size: var(--text-md);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: background var(--dur-1) var(--ease-out);
  user-select: none;
}

.cat-sheet__item:active {
  background: var(--color-background-alt);
}

.cat-sheet__item.is-selected {
  font-weight: 500;
  color: var(--color-gold);
}

.cat-sheet__item::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.cat-sheet__item.is-selected::before {
  background-image: url("data:image/svg+xml,%3Csvg width='16' height='13' viewBox='0 0 16 13' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1.5 6.5l4 4L14.5 1.5' stroke='%23B8965A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}