/* Diamina Mountings — customer catalog (Phase B, mobile-first SPA)
 *
 * Scoped under .stl-cat so it never bleeds into the host theme. Reuses the
 * brand palette established in the wizard (ink + gold + warm white) but
 * refined for a calmer, more luxury feel: more whitespace, softer borders,
 * tabular prices, subtle motion (disabled under prefers-reduced-motion).
 *
 * No supplier name appears anywhere — every label comes from PHP i18n.
 */

.stl-cat, .stl-cat * { box-sizing: border-box; }

/* Neutralise host-theme <button> styling (Astra et al.). Zero-specificity
 * :where() reset so our component rules below always win — the cards and
 * filter chips are <button>s and themes love to repaint them on :hover. */
.stl-cat :where(button) {
    -webkit-appearance: none; appearance: none;
    margin: 0; font: inherit; line-height: inherit; text-align: left;
    text-transform: none; letter-spacing: normal; text-decoration: none;
    background-image: none; outline: none; cursor: pointer;
}
.stl-cat :where(button:hover, button:focus, button:active) {
    filter: none; transform: none;
}
.stl-cat button:focus-visible { outline: 2px solid var(--cat-gold); outline-offset: 2px; }

.stl-cat {
    --cat-ink:      #1f2933;   /* primary text / headings            */
    --cat-ink-soft: #52606d;   /* secondary text                     */
    --cat-muted:    #9aa5b1;   /* tertiary / placeholders            */
    --cat-gold:     #c2a36b;   /* accent                             */
    --cat-gold-dk:  #a98a52;   /* accent hover                       */
    --cat-bg:       #faf9f6;   /* page background                    */
    --cat-card:     #ffffff;   /* card surface                       */
    --cat-img-bg:   #f4f2ec;   /* image well                         */
    --cat-line:     #e7e3da;   /* hairline borders                   */
    --cat-line-2:   #f0ede5;
    --cat-radius:   10px;
    --cat-radius-s: 6px;
    --cat-shadow:   0 1px 2px rgba(31,41,51,.04);
    --cat-shadow-h: 0 8px 28px rgba(31,41,51,.10);

    background: var(--cat-bg);
    color: var(--cat-ink);
    font-family: inherit;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    border-radius: var(--cat-radius);
    overflow: hidden;
    max-width: 100%;
}

/* ── Loading splash ──────────────────────────────────────────────────── */
.stl-cat-boot {
    padding: 64px 24px; text-align: center; color: var(--cat-muted);
}
.stl-cat-spinner {
    width: 28px; height: 28px; margin: 0 auto 14px; border-radius: 50%;
    border: 2px solid var(--cat-line); border-top-color: var(--cat-gold);
    animation: stl-spin .8s linear infinite;
}
@keyframes stl-spin { to { transform: rotate(360deg); } }

/* ── View transitions ────────────────────────────────────────────────── */
.stl-cat-view { animation: stl-fade .25s ease both; }
@keyframes stl-fade { from { opacity: 0; } to { opacity: 1; } }

/* ══ FILTER BAR ═══════════════════════════════════════════════════════ */
.stl-cat-filters {
    position: sticky; top: 0; z-index: 20;
    background: rgba(250,249,246,.92);
    backdrop-filter: saturate(140%) blur(8px);
    -webkit-backdrop-filter: saturate(140%) blur(8px);
    border-bottom: 1px solid var(--cat-line);
    padding: 12px 14px 10px;
}
.stl-cat-filter-block { margin-bottom: 10px; }
.stl-cat-filter-block:last-child { margin-bottom: 2px; }
.stl-cat-filter-label {
    font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
    color: var(--cat-muted); margin: 0 0 7px 2px; font-weight: 600;
}

/* Horizontal scroll rail for shape icons on mobile */
.stl-cat-rail {
    display: flex; gap: 8px; overflow-x: auto; padding: 2px;
    scrollbar-width: none; -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
}
.stl-cat-rail::-webkit-scrollbar { display: none; }

/* Shape chip */
.stl-cat-shape {
    flex: 0 0 auto; scroll-snap-align: start;
    appearance: none; cursor: pointer; background: var(--cat-card);
    border: 1px solid var(--cat-line); border-radius: var(--cat-radius-s);
    width: 60px; min-height: 64px; padding: 7px 4px 5px;
    display: flex; flex-direction: column; align-items: center; gap: 3px;
    color: var(--cat-ink-soft); transition: border-color .15s, color .15s, box-shadow .15s, background .15s;
}
.stl-cat-shape svg { width: 28px; height: 28px; flex: 0 0 auto; }
.stl-cat-shape .stl-cat-shape-img {
    width: 34px; height: 34px; flex: 0 0 auto; object-fit: cover;
    border-radius: 50%; background: var(--cat-img-bg);
    box-shadow: inset 0 0 0 1px rgba(31,41,51,.06);
    transition: transform .15s ease;
}
.stl-cat-shape:hover .stl-cat-shape-img { transform: scale(1.06); }
.stl-cat-shape.is-on .stl-cat-shape-img { box-shadow: 0 0 0 2px var(--cat-gold); }
.stl-cat-shape .stl-cat-shape-txt {
    font-size: 9.5px; line-height: 1.05; text-align: center; letter-spacing: .01em;
}
.stl-cat-shape:hover { background: var(--cat-card); border-color: var(--cat-gold); color: var(--cat-ink); }
.stl-cat-shape.is-on {
    border-color: var(--cat-gold); color: var(--cat-ink);
    background: #fff; box-shadow: inset 0 0 0 1px var(--cat-gold);
}
.stl-cat-shape.is-on svg { color: var(--cat-gold-dk); }

/* Metal swatches */
.stl-cat-metals { display: flex; flex-wrap: wrap; gap: 8px; }
.stl-cat-metal {
    appearance: none; cursor: pointer; display: inline-flex; align-items: center; gap: 7px;
    background: var(--cat-card); border: 1px solid var(--cat-line);
    border-radius: 999px; padding: 5px 12px 5px 6px; font-size: 12px; color: var(--cat-ink-soft);
    transition: border-color .15s, color .15s, box-shadow .15s;
}
.stl-cat-metal:hover { background: var(--cat-card); border-color: var(--cat-gold); color: var(--cat-ink); }
.stl-cat-metal.is-on { border-color: var(--cat-gold); color: var(--cat-ink); box-shadow: inset 0 0 0 1px var(--cat-gold); }
.stl-cat-dot {
    width: 18px; height: 18px; border-radius: 50%; flex: 0 0 auto;
    box-shadow: inset 0 0 0 1px rgba(0,0,0,.08);
}

/* Category pills */
.stl-cat-cats { display: flex; flex-wrap: wrap; gap: 7px; }
.stl-cat-cat {
    appearance: none; cursor: pointer; background: transparent;
    border: 1px solid var(--cat-line); border-radius: 999px;
    padding: 6px 13px; font-size: 12px; color: var(--cat-ink-soft);
    transition: border-color .15s, color .15s, background .15s;
}
.stl-cat-cat:hover { background: transparent; border-color: var(--cat-gold); color: var(--cat-ink); }
.stl-cat-cat.is-on { background: var(--cat-ink); border-color: var(--cat-ink); color: #fff; }

/* Search + reset row */
.stl-cat-tools { display: flex; gap: 8px; align-items: center; margin-top: 4px; }
.stl-cat-search {
    flex: 1 1 auto; min-width: 0; padding: 9px 12px; font-size: 13px;
    border: 1px solid var(--cat-line); border-radius: var(--cat-radius-s);
    background: #fff; color: var(--cat-ink);
}
.stl-cat-search::placeholder { color: var(--cat-muted); }
.stl-cat-reset {
    flex: 0 0 auto; appearance: none; cursor: pointer; background: transparent;
    border: 0; color: var(--cat-ink-soft); font-size: 12px; text-decoration: underline;
    padding: 6px 4px;
}
.stl-cat-reset:hover { color: var(--cat-gold-dk); }
.stl-cat-reset[hidden] { display: none; }

/* ══ GRID ═════════════════════════════════════════════════════════════ */
.stl-cat-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
    padding: 16px 14px 8px;
}

.stl-cat-card {
    appearance: none; text-align: left; cursor: pointer;
    background: var(--cat-card); border: 1px solid var(--cat-line);
    border-radius: var(--cat-radius); overflow: hidden;
    display: flex; flex-direction: column; padding: 0;
    box-shadow: var(--cat-shadow);
    transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.stl-cat-card:hover { background: var(--cat-card); color: var(--cat-ink); box-shadow: var(--cat-shadow-h); transform: translateY(-2px); border-color: var(--cat-line-2); }
.stl-cat-card:active { transform: translateY(0); }

/* card entrance animation */
.stl-cat-card.is-in { animation: stl-card-in .42s cubic-bezier(.22,.61,.36,1) both; }
@keyframes stl-card-in { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.stl-cat-card-img {
    position: relative; aspect-ratio: 1 / 1; background: var(--cat-img-bg);
    display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.stl-cat-card-img img {
    width: 100%; height: 100%; object-fit: contain; padding: 8%;
    opacity: 0; transition: opacity .4s ease;
}
.stl-cat-card-img img.is-loaded { opacity: 1; }
.stl-cat-card-img .stl-cat-skel {
    position: absolute; inset: 0;
    background: linear-gradient(100deg, var(--cat-img-bg) 30%, #ece9e1 50%, var(--cat-img-bg) 70%);
    background-size: 200% 100%; animation: stl-skel 1.3s ease-in-out infinite;
}
@keyframes stl-skel { from { background-position: 200% 0; } to { background-position: -200% 0; } }
.stl-cat-card-noimg { color: var(--cat-muted); font-size: 11px; }
.stl-cat-badge {
    position: absolute; top: 8px; left: 8px; z-index: 2;
    background: rgba(255,255,255,.94); color: var(--cat-ink-soft);
    font-size: 9px; letter-spacing: .08em; text-transform: uppercase; font-weight: 600;
    padding: 3px 7px; border-radius: 999px; box-shadow: var(--cat-shadow);
}

.stl-cat-card-body { padding: 10px 11px 12px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.stl-cat-card-name {
    font-size: 12.5px; line-height: 1.32; color: var(--cat-ink);
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    min-height: 2.6em;
}
.stl-cat-card-meta {
    display: flex; gap: 5px; flex-wrap: wrap; font-size: 10px; color: var(--cat-muted);
    margin-top: auto;
}
.stl-cat-card-meta span {
    display: inline-flex; align-items: center; gap: 4px;
    background: var(--cat-bg); padding: 2px 7px; border-radius: 4px;
}
.stl-cat-card-meta .stl-cat-dot { width: 13px; height: 13px; box-shadow: inset 0 0 0 1px rgba(31,41,51,.12); }
.stl-cat-card-price {
    font-size: 14px; font-weight: 600; color: var(--cat-ink);
    font-variant-numeric: tabular-nums; letter-spacing: .01em;
}
.stl-cat-card-price small { font-weight: 400; font-size: 10px; color: var(--cat-muted); letter-spacing: .06em; text-transform: uppercase; margin-right: 4px; }

/* States: empty / sentinel / end */
.stl-cat-empty, .stl-cat-error {
    grid-column: 1 / -1; padding: 48px 24px; text-align: center; color: var(--cat-ink-soft);
}
.stl-cat-empty svg, .stl-cat-error svg { width: 40px; height: 40px; color: var(--cat-muted); margin-bottom: 12px; }
.stl-cat-empty p, .stl-cat-error p { margin: 0 0 4px; }
.stl-cat-empty small { color: var(--cat-muted); }

.stl-cat-sentinel { grid-column: 1 / -1; height: 1px; }
.stl-cat-loadrow {
    grid-column: 1 / -1; display: flex; align-items: center; justify-content: center;
    gap: 10px; padding: 22px; color: var(--cat-muted); font-size: 13px;
}
.stl-cat-loadrow .stl-cat-spinner { width: 18px; height: 18px; margin: 0; }
.stl-cat-end {
    grid-column: 1 / -1; text-align: center; color: var(--cat-muted);
    font-size: 12px; padding: 18px 0 8px; letter-spacing: .04em;
}
.stl-cat-end::before, .stl-cat-end::after {
    content: ""; display: inline-block; width: 28px; height: 1px;
    background: var(--cat-line); vertical-align: middle; margin: 0 10px;
}

/* ══ PRODUCT VIEW (B2 placeholder shell) ══════════════════════════════ */
.stl-cat-back {
    display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
    background: transparent; border: 0; color: var(--cat-ink-soft);
    font-size: 13px; padding: 14px 14px 4px; appearance: none;
}
.stl-cat-back svg { width: 16px; height: 16px; }
.stl-cat-back:hover { color: var(--cat-gold-dk); }

.stl-cat-pdp { padding: 8px 16px 28px; }
.stl-cat-pdp-hero {
    aspect-ratio: 1 / 1; background: var(--cat-img-bg); border-radius: var(--cat-radius);
    display: flex; align-items: center; justify-content: center; overflow: hidden; margin-bottom: 16px;
}
.stl-cat-pdp-hero img { width: 100%; height: 100%; object-fit: contain; padding: 7%; }
.stl-cat-pdp h2 { font-size: 19px; margin: 0 0 6px; color: var(--cat-ink); line-height: 1.3; font-weight: 600; }
.stl-cat-pdp-price { font-size: 18px; font-weight: 600; color: var(--cat-ink); font-variant-numeric: tabular-nums; margin-bottom: 14px; }
.stl-cat-pdp-meta { display: flex; gap: 7px; flex-wrap: wrap; margin-bottom: 18px; }
.stl-cat-pdp-meta span { background: var(--cat-bg); border: 1px solid var(--cat-line); border-radius: 999px; padding: 5px 12px; font-size: 12px; color: var(--cat-ink-soft); }
.stl-cat-pdp-soon {
    background: #fff; border: 1px dashed var(--cat-line); border-radius: var(--cat-radius);
    padding: 22px; text-align: center; color: var(--cat-ink-soft); font-size: 13px;
}
.stl-cat-pdp-soon strong { color: var(--cat-ink); }

/* ══ Tablet / desktop ═════════════════════════════════════════════════ */
@media (min-width: 560px) {
    .stl-cat-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 20px 20px 8px; }
    .stl-cat-filters { padding: 16px 20px 12px; }
    .stl-cat-card-name { font-size: 13px; }
}
@media (min-width: 860px) {
    .stl-cat-grid { grid-template-columns: repeat(4, 1fr); gap: 18px; }
    .stl-cat-shape { width: 66px; }
    .stl-cat-pdp { padding: 8px 24px 32px; max-width: 720px; }
}
@media (min-width: 1100px) {
    .stl-cat-grid { grid-template-columns: repeat(5, 1fr); }
}

/* Respect reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .stl-cat-view, .stl-cat-card.is-in, .stl-cat-card-img img { animation: none !important; transition: none !important; opacity: 1 !important; }
    .stl-cat-spinner, .stl-cat-skel { animation-duration: 0s; }
    .stl-cat-card:hover { transform: none; }
}