/* ---------- Size switcher ---------- */
.size-switcher{
  display:flex;flex-wrap:wrap;gap:10px;
  padding-block:32px 8px;
}
.size-btn{
  font-family:'Public Sans',sans-serif;
  font-weight:700;font-size:14.5px;
  padding:12px 20px;
  border:1.5px solid var(--line-strong);
  background:transparent;color:var(--ink);
  cursor:pointer;
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,10px 100%,0 100%);
  transition:background .15s ease, color .15s ease, border-color .15s ease, transform .15s ease;
}
.size-btn:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}
.size-btn[aria-pressed="true"]{
  background:var(--accent);border-color:var(--accent);color:var(--accent-ink);
}
.size-btn .n{font-family:'Bebas Neue',sans-serif;font-size:20px;margin-right:5px;}

/* ---------- Viewer layout ---------- */
.viewer-section{padding-block:24px 90px;}
.viewer-layout{
  display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:stretch;
  margin-top:20px;
}
@media (max-width:860px){
  .viewer-layout{grid-template-columns:1fr;}
}

.viewer-3d{
  position:relative;
  min-height:420px;
  background:
    radial-gradient(circle at 50% 82%, color-mix(in srgb, var(--ink) 10%, transparent), transparent 60%),
    var(--surface);
  border:1px solid var(--line);
  overflow:hidden;
  cursor:grab;
  touch-action:none;
  user-select:none;
}
.viewer-3d:active{cursor:grabbing;}
.viewer-3d canvas{display:block;width:100%;height:100%;touch-action:none;}
.viewer-3d .hint{
  position:absolute;left:50%;bottom:16px;transform:translateX(-50%);
  font-family:'Public Sans',sans-serif;font-size:12px;font-weight:600;
  letter-spacing:0.08em;text-transform:uppercase;
  color:var(--ink-faint);
  display:flex;align-items:center;gap:6px;
  pointer-events:none;
  opacity:1;transition:opacity .4s ease;
}
.viewer-3d .hint svg{width:14px;height:14px;}
.viewer-3d .hint.hidden{opacity:0;}

.unit-toggle{
  position:absolute;top:16px;right:16px;
  display:flex;gap:2px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:999px;
  padding:3px;
  z-index:2;
}
.unit-toggle button{
  font-family:'Public Sans',sans-serif;font-size:12px;font-weight:700;
  letter-spacing:0.04em;text-transform:uppercase;
  color:var(--ink-soft);
  background:transparent;border:none;border-radius:999px;
  padding:6px 14px;
  cursor:pointer;
  transition:background .2s ease,color .2s ease;
}
.unit-toggle button[aria-pressed="true"]{background:var(--accent);color:#FFFFFF;}
@media (max-width:640px){
  .unit-toggle{top:10px;right:10px;}
  .unit-toggle button{padding:5px 11px;font-size:11px;}
}

.viewer-loading{
  position:absolute;inset:0;
  display:flex;align-items:center;justify-content:center;
  font-family:'Public Sans',sans-serif;font-weight:700;font-size:13px;
  letter-spacing:0.05em;text-transform:uppercase;
  color:var(--ink-faint);
  background:var(--surface);
  transition:opacity .3s ease;
  pointer-events:none;
}
.viewer-loading.hidden{opacity:0;}

/* ---------- Info panel ---------- */
.info-panel{
  background:var(--surface);
  border:1px solid var(--line);
  padding:32px;
  display:flex;flex-direction:column;gap:20px;
}
.info-panel .yard-badge{
  display:inline-flex;align-items:baseline;gap:6px;
  font-family:'Bebas Neue',sans-serif;
  font-size:44px;line-height:1;color:var(--accent);
  align-self:flex-start;
}
.info-panel .yard-badge span{
  font-family:'Public Sans',sans-serif;font-size:14px;font-weight:700;
  text-transform:uppercase;letter-spacing:0.04em;color:var(--ink-soft);
}
.info-panel .best-tag{
  align-self:flex-start;
  font-family:'Public Sans',sans-serif;font-weight:700;font-size:12.5px;
  letter-spacing:0.06em;text-transform:uppercase;
  color:var(--accent);
  background:color-mix(in srgb, var(--accent) 12%, transparent);
  padding:6px 12px;
}
.dims-table{
  display:grid;grid-template-columns:1fr auto;gap:10px 18px;
  border-top:1px solid var(--line);
  padding-top:18px;
}
.dims-table .k{
  font-family:'Public Sans',sans-serif;font-weight:600;font-size:14.5px;
  color:var(--ink-soft);
}
.dims-table .v{
  font-family:'Public Sans',sans-serif;font-weight:700;font-size:14.5px;
  color:var(--ink);text-align:right;
}
.info-panel .use-copy{
  font-size:15.5px;line-height:1.6;color:var(--ink-soft);
}
.info-panel .approx-note{
  font-size:12.5px;color:var(--ink-faint);line-height:1.5;
  border-top:1px solid var(--line);padding-top:14px;
}
.info-panel .btn{margin-top:auto;align-self:flex-start;}

@media (max-width:640px){
  .viewer-3d{min-height:320px;}
  .info-panel{padding:24px;}
}