/*
 * Gemstone catalogue (sell-gems.html). Page-specific rules only; shared pieces live in catalogue-base.css.
 * Mobile-first. Breakpoints: 480 / 768 / 1024 / 1280.
 */
body.page-sell-gems {
  --cat-hero-art: url('assets/18-earth-s-geometry.webp');
  --cat-closing-art: url('assets/49-your-next-discovery.webp');
}
body.gc-lock { overflow: hidden; }

/* ---------- Toolbar extras ---------- */
.gc-sortLabel { display: none; }
.gc-viewSwitch { display: none; gap: .5rem; padding: .25rem; border-radius: var(--cat-r-sm); background: var(--cat-v100); }
.gc-viewSwitch button { min-height: var(--cat-tap); padding: 0 1rem; border: 0; border-radius: .5rem; background: transparent; color: var(--cat-v800); font: 600 .9375rem var(--cat-font-body); cursor: pointer; }
.gc-viewSwitch button[aria-pressed='true'] { background: var(--cat-white); box-shadow: 0 2px 8px rgba(59, 10, 122, .12); }
.gc-viewSwitch button:focus-visible { outline: 2px solid transparent; box-shadow: var(--cat-ring); }
.gc-activeFilters { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; margin-top: .75rem; }
.gc-activeFilters:empty { display: none; }
.gc-chipBtn { min-height: var(--cat-tap); cursor: pointer; }
@media (min-width: 768px) {
  .gc-viewSwitch { display: inline-flex; }
}
@media (min-width: 1024px) {
  .gc-sortLabel { display: flex; }
}

/* ---------- Layout ---------- */
.gc-catalogue { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.5rem; align-items: start; padding-block: 1.5rem 3rem; }
.gc-results { min-width: 0; }
@media (min-width: 1024px) {
  .gc-catalogue { grid-template-columns: 17rem minmax(0, 1fr); gap: 2rem; padding-bottom: 3.5rem; }
}

/* ---------- Filter panel: bottom sheet on phones and tablets, sidebar from 1024px ---------- */
.gc-filterPanel {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 1002;
  display: flex;
  flex-direction: column;
  max-height: 90dvh;
  background: var(--cat-white);
  border-radius: 1.5rem 1.5rem 0 0;
  box-shadow: 0 -20px 60px rgba(21, 10, 46, .3);
  transform: translateY(105%);
  visibility: hidden;
  transition: transform .28s var(--cat-ease), visibility 0s linear .28s;
  overscroll-behavior: contain;
}
.gc-filterPanel.is-open { transform: translateY(0); visibility: visible; transition: transform .28s var(--cat-ease); }
.gc-filterHead { display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding: .75rem 1.25rem; border-bottom: 1px solid var(--cat-line); }
.gc-filterHead h2 { margin: 0; font: 700 1.125rem/1.3 var(--cat-font-body); color: var(--cat-ink); }
.gc-filterHeadActions { display: flex; align-items: center; gap: .5rem; }
.gc-iconButton { width: var(--cat-tap); height: var(--cat-tap); border: 0; border-radius: 50%; background: transparent; color: var(--cat-muted); font-size: 1.5rem; line-height: 1; cursor: pointer; }
.gc-iconButton:focus-visible { outline: 2px solid transparent; box-shadow: var(--cat-ring); }
#gcFilters { flex: 1 1 auto; min-height: 0; padding: 0 1.25rem; overflow-y: auto; overscroll-behavior: contain; }
.gc-filterFoot { padding: .75rem 1.25rem calc(.75rem + env(safe-area-inset-bottom)); border-top: 1px solid var(--cat-line); }
.gc-filterFoot .cat-btn { width: 100%; }
@media (min-width: 1024px) {
  .gc-filterPanel {
    position: sticky;
    inset: auto;
    top: 1.5rem;
    z-index: auto;
    max-height: calc(100dvh - 3rem);
    border: 1px solid var(--cat-line);
    border-radius: var(--cat-r-md);
    box-shadow: var(--cat-shadow-sm);
    transform: none;
    visibility: visible;
    transition: none;
  }
  .gc-filterHead { padding: 1rem 1.25rem .75rem; }
  .gc-iconButton,
  .gc-filterFoot { display: none; }
}
.gc-backdrop { position: fixed; inset: 0; z-index: 1001; background: rgba(21, 10, 46, .6); backdrop-filter: blur(4px); }

/* ---------- Filter groups ---------- */
.gc-group { min-width: 0; margin: 0; padding: 1rem 0; border: 0; border-bottom: 1px solid var(--cat-line); }
.gc-group:last-child { border-bottom: 0; }
.gc-group legend { float: none; width: 100%; margin: 0 0 .625rem; padding: 0; color: var(--cat-ink); font-size: .875rem; font-weight: 700; line-height: 1.4; }
.gc-select { width: 100%; }
.gc-options { display: flex; flex-wrap: wrap; gap: .5rem; min-width: 0; }
.gc-option { display: inline-flex; align-items: center; gap: .5rem; max-width: 100%; min-height: var(--cat-tap); padding: .25rem .875rem; border: 1px solid var(--cat-line); border-radius: var(--cat-r-pill); background: var(--cat-white); color: #51456D; font-size: .875rem; cursor: pointer; overflow-wrap: anywhere; }
.gc-option input { flex: none; width: 1.125rem; height: 1.125rem; margin: 0; accent-color: var(--cat-v700); }
.gc-option > span:nth-of-type(1) { min-width: 0; }
.gc-optionCount { color: var(--cat-muted); font-size: .75rem; }
.gc-option:has(input:checked) { border-color: #BBA2EC; background: var(--cat-v50); color: var(--cat-v800); }
.gc-option:focus-within { box-shadow: var(--cat-ring); }
.gc-segment { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: .25rem; padding: .25rem; border-radius: var(--cat-r-sm); background: var(--cat-v50); }
.gc-segment button { min-width: 0; min-height: var(--cat-tap); padding: .25rem .375rem; border: 0; border-radius: .5rem; background: transparent; color: var(--cat-muted); font: 600 .875rem/1.25 var(--cat-font-body); overflow-wrap: anywhere; cursor: pointer; }
.gc-segment button[aria-pressed='true'] { background: var(--cat-white); color: var(--cat-v800); box-shadow: 0 2px 6px rgba(21, 10, 46, .1); }
.gc-segment button:focus-visible { outline: 2px solid transparent; box-shadow: var(--cat-ring); }
.gc-rangePair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem; }
.gc-numberField { display: grid; gap: .25rem; min-width: 0; color: var(--cat-muted); font-size: .8125rem; }
.gc-numberField input { width: 100%; min-width: 0; min-height: var(--cat-tap); padding: 0 .625rem; border: 1px solid var(--cat-line); border-radius: .625rem; background: var(--cat-white); color: var(--cat-ink); font: inherit; font-size: 1rem; }
.gc-numberField input:focus-visible { outline: 2px solid transparent; box-shadow: var(--cat-ring); }
.gc-switch { display: flex; align-items: center; gap: .625rem; min-height: var(--cat-tap); color: #51456D; font-size: .9375rem; cursor: pointer; }
.gc-switch input { flex: none; width: 1.25rem; height: 1.25rem; margin: 0; accent-color: var(--cat-v700); }
.gc-dot { display: inline-block; flex: none; width: .875rem; height: .875rem; border: 1px solid rgba(0, 0, 0, .18); border-radius: 50%; vertical-align: -.1em; }
.gc-colour-blue { background: #3678D4; }
.gc-colour-red { background: #C53D51; }
.gc-colour-green { background: #2B9367; }
.gc-colour-yellow { background: #E5C24B; }
.gc-colour-gold { background: #D5A52D; }
.gc-colour-pink { background: #E58BAF; }
.gc-colour-purple { background: #8658C8; }
.gc-colour-orange { background: #E68A3F; }
.gc-colour-white { background: #F5F3FA; }
.gc-colour-black { background: #292536; }
.gc-colour-teal { background: #2A9A9A; }
.gc-colour-brown { background: #946548; }
.gc-colour-neutral { background: #BBA2EC; }

/* ---------- List view (tablet and up) ---------- */
@media (min-width: 768px) {
  .gc-grid--list { grid-template-columns: minmax(0, 1fr); }
  .gc-grid--list .cat-card { display: grid; grid-template-columns: 13rem minmax(0, 1fr); }
  .gc-grid--list .cat-card__media { aspect-ratio: auto; min-height: 12rem; }
  .gc-grid--list .cat-card__media > img { position: absolute; inset: 0; }
  .gc-grid--list .cat-card__actions { grid-template-columns: repeat(2, minmax(0, 12rem)); }
}

/* ---------- Phone and tablet bottom bar ---------- */
.gc-mobileBar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 900; display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding: .625rem var(--cat-gutter) calc(.625rem + env(safe-area-inset-bottom)); border-top: 1px solid var(--cat-line); background: rgba(255, 255, 255, .96); backdrop-filter: blur(10px); box-shadow: 0 -8px 30px rgba(21, 10, 46, .08); }
.gc-mobileBar > .cat-btn { flex: 0 1 auto; }
.gc-mobileSort { display: flex; flex: 1 1 0; align-items: center; justify-content: flex-end; gap: .5rem; min-width: 0; color: var(--cat-muted); font-size: .875rem; }
.gc-mobileSort .cat-select { width: 100%; max-width: 14rem; }
@media (max-width: 1023.98px) {
  body.page-sell-gems { padding-bottom: calc(4.75rem + env(safe-area-inset-bottom)); }
  body.page-sell-gems .cat-toast { bottom: calc(5.5rem + env(safe-area-inset-bottom)); }
}
@media (min-width: 1024px) {
  .gc-mobileBar { display: none; }
}

.gc-filterHead .cat-textbtn { white-space: nowrap; }
.gc-mobileSort .cat-select { padding-right: 1.75rem; }
@media (max-width: 479.98px) {
  .gc-mobileSort > span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
}