/* =====================================================================
   mmoshenqi — shared catalog styles (W1): category sidebar, chips, toolbar, segmented sort,
   in-stock switch, product card, sold-out state. Used by index.html and shop.html
   (loaded after each page's own <style>, same cascade position as the former inline copies).
   ===================================================================== */
.nz-catalog{display:grid;grid-template-columns:256px minmax(0,1fr);gap:22px;align-items:start;scroll-margin-top:calc(var(--hdr-h) + 12px)}
.nz-side{position:sticky;top:calc(var(--hdr-h) + 16px);padding:10px;border-radius:16px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--card-shadow);min-width:0}
.nz-side-title{display:flex;align-items:center;gap:8px;margin:4px 8px 8px;font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3)}
.nz-side-title:lang(zh){letter-spacing:.02em}
.nz-cats{display:flex;flex-direction:column;gap:2px}
.nz .nz-cat{display:flex;align-items:center;gap:10px;width:100%;min-height:42px;padding:6px 8px 6px 7px;border:0;border-radius:11px;background:none;color:var(--text-2);font:inherit;font-size:13.5px;font-weight:500;line-height:1.3;text-align:left;cursor:pointer;text-decoration:none;transition:background .15s,color .15s}
.nz-cat .n{flex:1;min-width:0;overflow-wrap:break-word}
.nz-cat em{flex:0 0 auto;min-width:24px;height:20px;padding:0 7px;display:grid;place-items:center;border-radius:999px;font-style:normal;font-size:11.5px;font-weight:600;color:var(--text-3);background:var(--surface-3);font-variant-numeric:tabular-nums}
.nz .nz-cat:hover{background:var(--surface-2);color:var(--text)}
.nz .nz-cat.active{background:var(--brand-soft);color:var(--text);font-weight:600;box-shadow:inset 0 0 0 1px var(--brand-ring)}
.nz-cat.active em{color:#fff;background:#2f5bff}
.nz-cat:focus-visible{outline:2px solid var(--focus);outline-offset:1px}
.nz-main{min-width:0}
.nz-toolbar{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:10px 16px;margin:0 0 14px}
.nz-heading{min-width:0}
.nz-heading h2,.nz-heading h1{display:flex;align-items:center;gap:10px;margin:0;font-size:21px;line-height:1.2;font-weight:700;letter-spacing:-.02em;color:var(--text)}
.nz-heading h1:lang(zh),.nz-heading h2:lang(zh){letter-spacing:0}
.nz-count{margin-top:3px;font-size:12.5px;color:var(--text-3)}
.nz-qchip{display:inline-flex;align-items:center;gap:7px;max-width:100%;height:26px;margin-top:6px;padding:0 10px;border:0;border-radius:999px;background:var(--brand-soft);box-shadow:inset 0 0 0 1px var(--brand-ring);color:var(--brand-ink);font:inherit;font-size:12.5px;font-weight:600;cursor:pointer}
.nz-qchip[hidden]{display:none}
.nz-qchip .q{min-width:0;max-width:220px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nz-qchip i{font-size:11px}
.nz-qchip:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.nz-tools{display:flex;align-items:center;flex-wrap:wrap;gap:10px 14px}
.nz-seg{display:inline-flex;height:34px;padding:3px;border-radius:10px;background:var(--surface);border:1px solid var(--line)}
html[data-theme="light"] .nz-seg{background:var(--surface-3);border-color:transparent}
.nz .nz-seg > *{display:inline-flex;align-items:center;white-space:nowrap;padding:0 12px;border:0;border-radius:7px;background:none;font:inherit;font-size:13px;font-weight:600;line-height:1;color:var(--text-3);cursor:pointer;text-decoration:none}
.nz .nz-seg > *:hover{color:var(--text)}
.nz .nz-seg > .active{background:var(--surface-3);color:var(--text);box-shadow:0 1px 2px rgba(0,0,0,.25)}
html[data-theme="light"] .nz .nz-seg > .active{background:#fff;box-shadow:0 1px 2px rgba(15,23,42,.10),0 1px 1px rgba(15,23,42,.04)}
.nz-seg > *:focus-visible{outline:2px solid var(--focus);outline-offset:1px}
.nz-switch{position:relative;display:inline-flex;align-items:center;gap:9px;font-size:13px;color:var(--text-2);cursor:pointer;white-space:nowrap;user-select:none}
.nz-switch input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.nz-switch .tr{position:relative;flex:0 0 auto;width:34px;height:20px;border-radius:999px;background:var(--surface-3);box-shadow:inset 0 0 0 1px var(--line-2);transition:background .2s}
.nz-switch .tr::after{content:"";position:absolute;top:3px;left:3px;width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.3);transition:transform .2s}
html[data-theme="light"] .nz-switch .tr{background:#cbd5e1;box-shadow:none}
.nz-switch input:checked + .tr{background:#2f5bff}
.nz-switch input:checked + .tr::after{transform:translateX(14px)}
.nz-switch input:focus-visible + .tr{outline:2px solid var(--focus);outline-offset:2px}

.nz-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(196px,1fr));gap:14px}
.nz .nz-item{position:relative;display:flex;flex-direction:column;min-width:0;border-radius:14px;overflow:hidden;background:var(--surface);border:1px solid var(--line);box-shadow:var(--card-shadow);color:var(--text);text-decoration:none;transition:transform .2s,box-shadow .2s,border-color .2s}
.nz .nz-item:hover{transform:translateY(-2px);box-shadow:var(--hover-shadow);border-color:transparent;color:var(--text)}
.nz-item:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.nz-thumb{position:relative;aspect-ratio:1376/768;background:var(--surface-3);overflow:hidden}
.nz-thumb img{position:relative;z-index:1;display:block;width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.nz-item:hover .nz-thumb img{transform:scale(1.03)}
.nz-ph{position:absolute;inset:0;display:none;place-items:center}
.nz-thumb.no-img .nz-ph{display:grid}
.nz-thumb.no-img img{display:none}
.nz-ph .cat-ic{--ic-size:44px}
.nz-badge{position:absolute;z-index:2;left:8px;top:8px;height:22px;padding:0 8px;display:inline-flex;align-items:center;gap:5px;border-radius:999px;font-size:11px;font-weight:600;line-height:1;color:#fff;white-space:nowrap;background:rgba(6,10,20,.68);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);box-shadow:inset 0 0 0 1px rgba(255,255,255,.14)}
.nz-badge i{color:#fbbf24;font-size:10px}
.nz-body{flex:1;display:flex;flex-direction:column;gap:7px;padding:11px 13px 13px;min-width:0}
.nz-tag{display:flex;align-items:center;gap:6px;min-width:0;font-size:11.5px;font-weight:600;line-height:18px;color:var(--text-3)}
.nz-tag .cat-ic{--ic-size:18px;border-radius:5px}
.nz-tag .tg{min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nz-body h3{margin:0;min-height:2.8em;font-size:14px;line-height:1.4;font-weight:600;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
.nz-meta{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:6px 8px;margin-top:auto;padding-top:1px}
.nz-price{font-size:18px;font-weight:800;line-height:1.2;letter-spacing:-.02em;color:var(--price);font-variant-numeric:tabular-nums;white-space:nowrap}
.nz-stock{display:inline-flex;align-items:center;gap:6px;height:22px;padding:0 8px;border-radius:999px;font-size:11.5px;font-weight:600;line-height:1;color:var(--ok);background:var(--ok-soft);white-space:nowrap;font-variant-numeric:tabular-nums}
.nz-stock::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;flex:0 0 auto}
html[data-theme="light"] .nz-stock{color:#116b32}
/* Sold out: grey, no lift, centred label over a dimmed thumbnail */
.nz .nz-item.is-out{box-shadow:none}
.nz .nz-item.is-out:hover{transform:none;box-shadow:none;border-color:var(--line-2)}
.nz-item.is-out .nz-thumb img{filter:grayscale(1);opacity:.42}
.nz-item.is-out:hover .nz-thumb img{transform:none}
html[data-theme="light"] .nz-item.is-out .nz-thumb img{opacity:.5}
.nz-out{position:absolute;inset:0;z-index:2;display:grid;place-items:center}
.nz-out span{height:26px;padding:0 12px;display:inline-flex;align-items:center;border-radius:999px;font-size:12px;font-weight:700;line-height:1;color:#fff;white-space:nowrap;background:rgba(15,23,42,.84);box-shadow:inset 0 0 0 1px rgba(255,255,255,.16),0 4px 14px -6px rgba(0,0,0,.6)}
.nz-item.is-out .nz-body h3{color:var(--text-2)}
.nz-item.is-out .nz-price{color:var(--text-3)}
.nz-item.is-out .nz-tag .cat-ic{filter:grayscale(1)}
@media (prefers-reduced-motion:reduce){.nz .nz-item,.nz-thumb img{transition:none}.nz .nz-item:hover{transform:none}.nz-item:hover .nz-thumb img{transform:none}}
.nz-empty{padding:40px 16px;text-align:center;color:var(--text-3);border:1px dashed var(--line-2);border-radius:14px;background:var(--surface)}

@media (max-width:900px){
  .nz-catalog{display:flex;flex-direction:column;align-items:stretch;gap:10px}
  .nz-main{display:contents}
  .nz-side{order:1}
  .nz-toolbar{order:2;margin:2px 0 0;align-items:center}
  .nz-ticker{order:3}
  .nz-grid{order:4}
  .nz-empty{order:5}
  .nz-pages{order:6}
  .nz-side{position:static;margin:0 calc(-1 * var(--shell-pad));padding:0 var(--shell-pad) 2px;background:none;border:0;border-radius:0;box-shadow:none;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 var(--shell-pad),#000 calc(100% - 28px),transparent 100%);mask-image:linear-gradient(90deg,transparent 0,#000 var(--shell-pad),#000 calc(100% - 28px),transparent 100%)}
  .nz-side::-webkit-scrollbar{display:none}
  .nz-side-title{display:none}
  .nz-cats{flex-direction:row;gap:8px;width:max-content}
  .nz .nz-cat{flex:0 0 auto;width:auto;min-height:0;height:38px;padding:0 13px 0 5px;gap:8px;border-radius:12px;background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);font-size:13px;white-space:nowrap}
  .nz .nz-cat.active{box-shadow:inset 0 0 0 1px var(--brand-ring)}
  .nz-cat em{display:none}
  .nz-heading{display:flex;align-items:baseline;flex-wrap:wrap;gap:2px 8px}
  .nz-heading h2,.nz-heading h1{font-size:18px}
  .nz-count{margin:0}
}
@media (max-width:767px){
  .nz-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .nz .nz-item{border-radius:13px}
  .nz-body{padding:9px 10px 11px;gap:6px}
  .nz-tag{font-size:11px}
  .nz-tag .cat-ic{--ic-size:16px}
  .nz-body h3{font-size:13px}
  .nz-price{font-size:16px}
  .nz-stock{height:20px;padding:0 7px;font-size:11px;gap:5px}
  .nz-badge{left:6px;top:6px;height:20px;padding:0 7px;font-size:10.5px}
}
@media (min-width:361px) and (max-width:767px){
  .nz-tools{gap:10px 12px}
  .nz .nz-seg > *{padding:0 10px}
}
@media (max-width:360px){
  .nz-body{padding:9px 9px 10px}
  .nz-price{font-size:15px}
}