/* StoreForge storefront — layout, components and the four seller-selectable themes.
   Loaded alongside app.css (which provides tokens, buttons, forms and tables).
   Theme = <html data-theme="signal|ledger|market|plain"> plus the inline
   --sf-accent / --sf-radius / --sf-font custom properties. */

:root{
  --sf-accent:#155EEF;
  --sf-accent-ink:#fff;
  --sf-accent-soft:#EDF3FF;
  --sf-radius:10px;
  --sf-font:var(--font);
  --sf-display:var(--display);
  --sf-max:1180px;
  --sf-header-h:64px;
}

.sf2{
  min-height:100vh;display:flex;flex-direction:column;
  background:var(--bg);
  font-family:var(--sf-font);
}
.sf2-main{flex:1;width:100%}
.sf2-wrap{width:100%;max-width:var(--sf-max);margin:0 auto;padding:0 22px}

/* ── announcement ─────────────────────────────────────────────────── */
.sf2-announce{
  background:var(--sf-accent);color:var(--sf-accent-ink);
  font-size:13.5px;font-weight:600;text-align:center;padding:9px 18px;
  letter-spacing:.01em;
}
.sf2-announce a{color:inherit;text-decoration:underline;text-underline-offset:3px}

/* ── header ───────────────────────────────────────────────────────── */
.sf2-header{
  position:sticky;top:0;z-index:70;
  background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.sf2-header-in{
  display:flex;align-items:center;gap:18px;
  min-height:var(--sf-header-h);
}
.sf2-logo{
  display:flex;align-items:center;gap:10px;flex:none;
  font-family:var(--sf-display);font-weight:700;font-size:19px;
  letter-spacing:-.02em;color:var(--text);text-decoration:none;
  max-width:250px;
}
.sf2-logo:hover{text-decoration:none;color:var(--sf-accent)}
.sf2-logo-mark{
  width:32px;height:32px;border-radius:calc(var(--sf-radius) * .8);flex:none;
  background:var(--sf-accent);color:var(--sf-accent-ink);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;font-family:var(--sf-display);
}
.sf2-logo-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.sf2-nav{display:flex;gap:2px;align-items:center;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}
.sf2-nav::-webkit-scrollbar{display:none}
.sf2-nav a{
  color:var(--text-2);font-size:14.5px;font-weight:500;white-space:nowrap;
  padding:8px 12px;border-radius:var(--sf-radius);text-decoration:none;
}
.sf2-nav a:hover{background:var(--sf-accent-soft);color:var(--sf-accent)}

.sf2-actions{display:flex;align-items:center;gap:8px;flex:none}
.sf2-cart{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;border-radius:var(--sf-radius);
  background:var(--sf-accent);color:var(--sf-accent-ink);
  font-size:14px;font-weight:600;text-decoration:none;
}
.sf2-cart:hover{filter:brightness(1.06);color:var(--sf-accent-ink);text-decoration:none}
.sf2-cart-count{
  background:rgba(255,255,255,.28);border-radius:999px;
  min-width:20px;height:20px;padding:0 6px;
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;
}
.sf2-icon{
  width:38px;height:38px;border-radius:var(--sf-radius);
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-2);background:var(--surface);color:var(--text-2);
  text-decoration:none;position:relative;
}
.sf2-icon:hover{border-color:var(--sf-accent);color:var(--sf-accent);text-decoration:none}
.sf2-icon svg{width:17px;height:17px}

/* ── hero ─────────────────────────────────────────────────────────── */
.sf2-hero{
  background:linear-gradient(140deg,var(--sf-accent-soft),#fff 70%);
  border-bottom:1px solid var(--line);
}
.sf2-hero-in{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
  gap:34px;align-items:center;padding:52px 0;
}
.sf2-eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--sf-accent);margin-bottom:14px;
}
.sf2-hero h1{
  font-family:var(--sf-display);font-size:clamp(30px,4.4vw,46px);
  line-height:1.12;letter-spacing:-.03em;margin:0 0 14px;color:var(--text);
}
.sf2-hero p{font-size:17px;line-height:1.65;color:var(--text-2);margin:0 0 24px;max-width:52ch}
.sf2-cta{display:flex;gap:11px;flex-wrap:wrap}
.sf2-hero-art{
  aspect-ratio:4/3;border-radius:calc(var(--sf-radius) * 1.6);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--sh-lg);overflow:hidden;position:relative;
}
.sf2-hero-art img{width:100%;height:100%;object-fit:cover}
.sf2-hero-art .art-fallback{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--sf-accent-soft),#fff);
  color:var(--sf-accent);font-family:var(--sf-display);
  font-size:44px;font-weight:700;letter-spacing:-.04em;
}
.sf2-trust{
  display:flex;gap:22px;flex-wrap:wrap;padding:16px 0;
  border-top:1px solid var(--line);font-size:13.5px;color:var(--muted);
}
.sf2-trust b{color:var(--text);font-weight:600}

/* ── sections ─────────────────────────────────────────────────────── */
.sf2-section{padding:44px 0}
.sf2-section+.sf2-section{border-top:1px solid var(--line)}
.sf2-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;flex-wrap:wrap;margin-bottom:22px;
}
.sf2-head h2{
  font-family:var(--sf-display);font-size:24px;letter-spacing:-.02em;margin:0;color:var(--text);
}
.sf2-head p{margin:5px 0 0;font-size:14.5px;color:var(--muted)}
.sf2-head a{font-size:14px;font-weight:600;color:var(--sf-accent)}

.sf2-collections{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px}
.sf2-collection{
  display:flex;flex-direction:column;justify-content:space-between;gap:14px;
  min-height:120px;padding:18px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--sf-radius);
  color:var(--text);text-decoration:none;
  transition:border-color .14s ease,transform .14s ease,box-shadow .14s ease;
}
.sf2-collection:hover{
  border-color:var(--sf-accent);color:var(--text);text-decoration:none;
  transform:translateY(-2px);box-shadow:var(--sh-md);
}
.sf2-collection b{font-family:var(--sf-display);font-size:17px}
.sf2-collection span{font-size:13px;color:var(--muted)}

/* ── product grid ─────────────────────────────────────────────────── */
.sf2-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:22px}
.sf2-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--sf-radius);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease;
}
.sf2-card:hover{transform:translateY(-3px);box-shadow:var(--sh-lg);border-color:var(--line-2)}
.sf2-card-media{
  aspect-ratio:4/3;background:var(--sf-accent-soft);
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;position:relative;
}
.sf2-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.sf2-card:hover .sf2-card-media img{transform:scale(1.04)}
.sf2-card-media .ph{
  font-family:var(--sf-display);font-size:30px;font-weight:700;
  color:var(--sf-accent);opacity:.5;letter-spacing:-.04em;
}
.sf2-card-badge{
  position:absolute;top:10px;left:10px;z-index:2;
  background:var(--surface);color:var(--text-2);
  border:1px solid var(--line-2);border-radius:999px;
  font-size:11.5px;font-weight:700;padding:3px 9px;
}
.sf2-card-body{padding:15px 16px 17px;display:flex;flex-direction:column;gap:7px;flex:1}
.sf2-card-cat{font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.sf2-card-name{font-weight:600;font-size:15.5px;line-height:1.4;color:var(--text);text-decoration:none}
.sf2-card-name:hover{color:var(--sf-accent);text-decoration:none}
.sf2-card-price{margin-top:auto;display:flex;align-items:baseline;gap:9px;font-variant-numeric:tabular-nums}
.sf2-card-price b{font-size:17.5px;font-weight:700;color:var(--sf-accent)}
.sf2-card-price s{font-size:13.5px;color:var(--faint)}
.sf2-card-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  margin-top:4px;padding:9px 14px;border-radius:var(--sf-radius);
  background:var(--sf-accent-soft);color:var(--sf-accent);
  font-size:13.5px;font-weight:700;text-decoration:none;
}
.sf2-card-cta:hover{background:var(--sf-accent);color:var(--sf-accent-ink);text-decoration:none}

/* ── empty states ─────────────────────────────────────────────────── */
.sf2-empty{
  text-align:center;padding:64px 24px;
  background:var(--surface);border:1px dashed var(--line-2);
  border-radius:var(--sf-radius);
}
.sf2-empty h3{font-family:var(--sf-display);margin:0 0 8px;font-size:20px}
.sf2-empty p{margin:0 auto 18px;max-width:46ch;color:var(--muted);font-size:15px}

/* ── product detail ───────────────────────────────────────────────── */
.sf2-pdp{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:38px;align-items:start}
.sf2-pdp-media{
  border-radius:var(--sf-radius);overflow:hidden;background:var(--sf-accent-soft);
  aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
}
.sf2-pdp-media img{width:100%;height:100%;object-fit:cover}
.sf2-pdp-media .ph{font-family:var(--sf-display);font-size:56px;font-weight:700;color:var(--sf-accent);opacity:.45}
.sf2-pdp-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.sf2-pdp-thumbs img{
  width:74px;height:74px;object-fit:cover;border-radius:calc(var(--sf-radius) * .8);
  border:2px solid var(--line);
}
.sf2-pdp h1{
  font-family:var(--sf-display);font-size:clamp(24px,3vw,32px);
  letter-spacing:-.02em;margin:0 0 10px;line-height:1.2;
}
.sf2-price{display:flex;align-items:baseline;gap:12px;margin:16px 0}
.sf2-price b{font-size:30px;font-weight:700;color:var(--sf-accent);font-variant-numeric:tabular-nums}
.sf2-price s{font-size:17px;color:var(--faint)}
.sf2-desc{font-size:15.5px;line-height:1.75;color:var(--text-2);white-space:pre-line}
.sf2-buy{display:flex;gap:11px;align-items:center;flex-wrap:wrap;margin-top:24px}
.sf2-meta{margin-top:26px;padding-top:18px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}

/* ── footer ───────────────────────────────────────────────────────── */
.sf2-foot{
  margin-top:auto;background:var(--surface);border-top:1px solid var(--line);
  padding:34px 0 30px;font-size:14px;color:var(--muted);
}
.sf2-foot-in{display:flex;justify-content:space-between;gap:22px;flex-wrap:wrap;align-items:flex-start}
.sf2-foot b{color:var(--text);font-family:var(--sf-display);font-size:16px;display:block;margin-bottom:6px}
.sf2-foot-links{display:flex;gap:18px;flex-wrap:wrap}
.sf2-foot-links a{color:var(--muted)}
.sf2-foot-links a:hover{color:var(--sf-accent)}

/* ── breadcrumbs / page title ─────────────────────────────────────── */
.sf2-crumbs{display:flex;gap:8px;flex-wrap:wrap;font-size:13.5px;color:var(--muted);padding:18px 0 0}
.sf2-crumbs a{color:var(--muted)}
.sf2-crumbs a:hover{color:var(--sf-accent)}

/* ══ THEME 1 · Signal ═════════════════════════════════════════════ */
html[data-theme="signal"] .sf2-header-in{min-height:var(--sf-header-h)}
html[data-theme="signal"] .sf2-card-media{aspect-ratio:4/3}

/* ══ THEME 2 · Ledger ═════════════════════════════════════════════
   Compact rows instead of cards: fast scanning for repeat buyers.   */
html[data-theme="ledger"] .sf2-grid{grid-template-columns:1fr;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--sf-radius);overflow:hidden}
html[data-theme="ledger"] .sf2-card{
  flex-direction:row;align-items:center;border:none;border-radius:0;
  border-bottom:1px solid var(--line);box-shadow:none;transform:none;padding:0;
}
html[data-theme="ledger"] .sf2-card:last-child{border-bottom:none}
html[data-theme="ledger"] .sf2-card:hover{background:var(--surface-2);transform:none;box-shadow:none}
html[data-theme="ledger"] .sf2-card-media{
  aspect-ratio:1/1;width:76px;flex:none;margin:12px 0 12px 14px;
  border-radius:calc(var(--sf-radius) * .7);
}
html[data-theme="ledger"] .sf2-card:hover .sf2-card-media img{transform:none}
html[data-theme="ledger"] .sf2-card-body{
  flex-direction:row;align-items:center;gap:16px;padding:14px 16px;flex:1;min-width:0;
}
html[data-theme="ledger"] .sf2-card-cat{display:none}
html[data-theme="ledger"] .sf2-card-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
html[data-theme="ledger"] .sf2-card-price{margin-top:0;flex:none;flex-direction:column;align-items:flex-end;gap:2px}
html[data-theme="ledger"] .sf2-card-cta{
  margin-top:0;flex:none;background:var(--sf-accent);color:var(--sf-accent-ink);padding:8px 16px;
}
html[data-theme="ledger"] .sf2-card-cta:hover{filter:brightness(1.1)}
html[data-theme="ledger"] .sf2-hero-in{grid-template-columns:1fr;gap:24px;padding:38px 0}
html[data-theme="ledger"] .sf2-hero-art{display:none}
html[data-theme="ledger"] .sf2-hero{background:#fff}

/* ══ THEME 3 · Market ═════════════════════════════════════════════
   Big imagery, generous cards, gallery-like rhythm.                 */
html[data-theme="market"] .sf2-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:26px}
html[data-theme="market"] .sf2-card-media{aspect-ratio:1/1}
html[data-theme="market"] .sf2-card-body{padding:18px 20px 22px;gap:9px}
html[data-theme="market"] .sf2-card-name{font-size:17px}
html[data-theme="market"] .sf2-card-cta{justify-content:flex-start;background:transparent;padding:0;color:var(--sf-accent);text-decoration:underline;text-underline-offset:3px}
html[data-theme="market"] .sf2-card-cta:hover{background:transparent;color:var(--sf-accent-ink);text-decoration:none}
html[data-theme="market"] .sf2-hero{background:var(--sf-accent-soft)}
html[data-theme="market"] .sf2-section{padding:56px 0}

/* ══ THEME 4 · Plain ══════════════════════════════════════════════
   Single column, type-led, almost no decoration.                    */
html[data-theme="plain"]{--sf-max:760px}
html[data-theme="plain"] .sf2-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:18px}
html[data-theme="plain"] .sf2-card{border-color:transparent;background:transparent}
html[data-theme="plain"] .sf2-card:hover{border-color:var(--line);box-shadow:none;transform:none}
html[data-theme="plain"] .sf2-card-media{background:#fff;border:1px solid var(--line)}
html[data-theme="plain"] .sf2-card-body{padding:12px 0 4px}
html[data-theme="plain"] .sf2-card-cta{display:none}
html[data-theme="plain"] .sf2-hero{background:#fff;border-bottom:1px solid var(--line)}
html[data-theme="plain"] .sf2-hero-in{grid-template-columns:1fr;padding:44px 0}
html[data-theme="plain"] .sf2-hero-art{display:none}
html[data-theme="plain"] .sf2-hero h1{font-size:clamp(28px,5vw,40px)}
html[data-theme="plain"] .sf2-collections{grid-template-columns:1fr}
html[data-theme="plain"] .sf2-collection{min-height:0;gap:4px;background:transparent;border-color:var(--line)}
html[data-theme="plain"] .sf2-section{padding:36px 0}

/* ── responsive ───────────────────────────────────────────────────── */
@media (max-width:980px){
  .sf2-hero-in{grid-template-columns:1fr;padding:36px 0;gap:24px}
  .sf2-pdp{grid-template-columns:1fr;gap:24px}
}
@media (max-width:760px){
  .sf2-wrap{padding:0 16px}
  .sf2-header-in{gap:10px;min-height:56px;flex-wrap:wrap;padding:9px 0}
  .sf2-logo{font-size:17px;max-width:150px}
  .sf2-nav{order:3;flex:1 1 100%;padding-bottom:4px;border-top:1px solid var(--line);padding-top:6px}
  .sf2-actions{margin-left:auto}
  .sf2-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
  .sf2-card-body{padding:12px}
  .sf2-card-cta{display:none}
  .sf2-section{padding:32px 0}
  .sf2-head h2{font-size:20px}
  .sf2-trust{gap:14px;font-size:12.5px}
  html[data-theme="ledger"] .sf2-card-body{gap:10px}
  html[data-theme="ledger"] .sf2-card-cta{display:none}
  html[data-theme="market"] .sf2-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
}
@media (max-width:420px){
  .sf2-grid{grid-template-columns:1fr 1fr}
  .sf2-card-name{font-size:14px}
  .sf2-card-price b{font-size:15.5px}
}