/* =========================================================
   Catalog page — extends styles.css (DH light theme)
   ========================================================= */

body.catalog-page{padding-top:var(--header-h)}

/* nav active state */
.nav a.active{color:var(--accent);font-weight:600}
.nav a.active::after{transform:scaleX(1)}

/* ---------- Catalog Hero ---------- */
.catalog-hero{
  padding:80px 0 60px;
  background:
    radial-gradient(700px 350px at 80% 20%, rgba(37,99,235,.10), transparent 65%),
    linear-gradient(180deg,#ffffff 0%,#f6f9ff 100%);
  border-bottom:1px solid var(--line);
}
.catalog-hero .eyebrow{margin-bottom:14px}
.catalog-title{
  font-family:'Noto Sans KR',var(--font-display);
  font-size:clamp(34px,4.5vw,52px);
  font-weight:800;letter-spacing:-1px;line-height:1.15;
  margin:0 0 18px;color:var(--text);
}
.catalog-sub{
  font-size:16px;color:var(--text-dim);max-width:680px;
  margin:0;line-height:1.75;
}
.catalog-sub strong{color:var(--accent);font-weight:700;font-size:1.15em}

/* ---------- Filter Bar ---------- */
.catalog-filters{
  position:sticky;top:var(--header-h);z-index:50;
  background:rgba(255,255,255,.94);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  padding:24px 0 20px;
  transition:box-shadow .3s;
}
.catalog-filters.scrolled{box-shadow:0 6px 24px rgba(15,23,42,.04)}
.filter-row{
  display:flex;gap:20px;align-items:flex-start;
  padding:8px 0;
}
.filter-row.sub-row{padding-top:0;padding-bottom:14px;margin-top:-6px;border-top:1px dashed var(--line)}
.filter-label{
  flex-shrink:0;width:80px;
  font-size:12px;font-weight:700;color:var(--text-mute);
  text-transform:uppercase;letter-spacing:1.5px;
  padding-top:9px;
}
.chip-group{display:flex;flex-wrap:wrap;gap:8px;flex:1}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line-2);
  font-size:13px;color:var(--text-dim);font-weight:500;
  cursor:pointer;
  transition:background .2s, border-color .2s, color .2s;
  user-select:none;white-space:nowrap;
}
.chip:hover{border-color:var(--accent);color:var(--text)}
.chip.active{
  background:var(--accent);border-color:var(--accent);color:#fff;
  box-shadow:0 4px 14px rgba(37,99,235,.25);
}
.chip-count{font-size:11px;opacity:.7;font-weight:600}
.chip.active .chip-count{opacity:.95}

/* Search */
.search-wrap{
  position:relative;flex:1;max-width:560px;
}
.search-icon{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;color:var(--text-mute);pointer-events:none;
}
#searchInput{
  width:100%;padding:12px 44px 12px 44px;
  border:1px solid var(--line-2);border-radius:999px;
  font-size:14px;color:var(--text);background:#fff;
  font-family:inherit;outline:none;
  transition:border-color .2s, box-shadow .2s;
}
#searchInput:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(37,99,235,.12);
}
#searchInput::placeholder{color:var(--text-mute);font-weight:400}
.search-clear{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  width:22px;height:22px;border-radius:50%;
  background:var(--line);color:var(--text-mute);
  font-size:16px;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transition:opacity .2s;
}
.search-clear.visible{opacity:1;pointer-events:auto}
.search-clear:hover{background:var(--text-mute);color:#fff}

/* Result bar */
.result-bar{
  display:flex;justify-content:space-between;align-items:center;
  padding:12px 0 0;margin-top:6px;border-top:1px solid var(--line);
}
.result-count{font-size:13px;color:var(--text-dim)}
.result-count strong{color:var(--text);font-size:18px;font-weight:700;font-family:var(--font-display);margin-right:4px}
.reset-btn{
  font-size:12px;font-weight:600;letter-spacing:.5px;
  color:var(--text-mute);cursor:pointer;padding:6px 12px;
  border-radius:6px;transition:background .2s, color .2s;
}
.reset-btn:hover{background:var(--bg-1);color:var(--accent)}

@media (max-width:768px){
  .filter-row{flex-direction:column;gap:8px}
  .filter-label{width:auto;padding-top:0}
  .catalog-filters{position:static}
}

/* ---------- Grid ---------- */
.catalog-grid-section{padding:48px 0 100px;background:#fff;min-height:60vh}
.catalog-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
@media (max-width:1080px){.catalog-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:780px){.catalog-grid{grid-template-columns:repeat(2,1fr);gap:16px}}
@media (max-width:480px){.catalog-grid{grid-template-columns:1fr}}

.cat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  cursor:pointer;
  transition:transform .25s var(--ease), box-shadow .25s, border-color .25s;
  position:relative;
}
.cat-card:hover{
  transform:translateY(-3px);
  border-color:var(--accent);
  box-shadow:0 18px 40px -10px rgba(37,99,235,.15);
}
.cat-card-img{
  position:relative;aspect-ratio:4/3;
  background:#f1f5f9;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
}
.cat-card-img img{
  width:100%;height:100%;object-fit:contain;
  background:#fff;
  transition:transform .5s var(--ease);
}
.cat-card:hover .cat-card-img img{transform:scale(1.04)}
.cat-card-img.placeholder::before{
  content:"DH";
  font-family:var(--font-display);
  font-size:36px;font-weight:800;color:var(--silver);
  letter-spacing:-1px;
}
.cat-card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.cat-card-cat{
  font-size:10px;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--accent);font-weight:700;
}
.cat-card-title{
  font-family:'Noto Sans KR',var(--font-display);
  font-size:15px;font-weight:700;color:var(--text);
  margin:0;line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;
}
.cat-card-model{
  font-size:12px;color:var(--text-dim);
  font-family:var(--font-display);
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.cat-card-meta{
  display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:10px;
}
.cat-card-meta .badge{
  font-size:10.5px;font-weight:600;letter-spacing:.3px;
  padding:3px 8px;border-radius:6px;
  background:var(--bg-1);color:var(--text-dim);
}
.cat-card-meta .badge.size{background:var(--accent-soft);color:var(--accent-2)}
.cat-card-meta .badge.material{background:#fef3c7;color:#92400e}

/* Hidden state for any element */
.catalog-page [hidden]{display:none !important}

/* Empty state */
.empty-state{
  text-align:center;padding:80px 20px;color:var(--text-mute);
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state svg{color:var(--silver)}
.empty-state h3{font-size:18px;color:var(--text);margin:0;font-weight:700}
.empty-state p{margin:0;font-size:14px}

/* Load more */
.load-more-wrap{text-align:center;margin-top:48px}
.load-more-btn{
  padding:14px 32px;border-radius:999px;
  background:#fff;border:1px solid var(--line-2);
  font-size:14px;font-weight:600;color:var(--text);
  cursor:pointer;transition:all .25s;
  box-shadow:0 4px 14px rgba(15,23,42,.04);
}
.load-more-btn:hover{
  background:var(--accent);color:#fff;border-color:var(--accent);
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(37,99,235,.25);
}

/* ---------- Modal ---------- */
.product-modal[hidden]{display:none !important}
.product-modal{
  position:fixed;inset:0;z-index:1000;
  display:flex;align-items:center;justify-content:center;
  padding:32px;
}
.modal-backdrop{
  position:absolute;inset:0;
  background:rgba(15,23,42,.55);backdrop-filter:blur(6px);
  cursor:pointer;
}
.modal-panel{
  position:relative;z-index:1;
  background:#fff;border-radius:var(--radius-lg);
  max-width:900px;width:100%;max-height:88vh;overflow:auto;
  display:grid;grid-template-columns:1.1fr 1fr;
  box-shadow:0 30px 80px -20px rgba(15,23,42,.4);
  animation:modalIn .35s var(--ease);
}
@keyframes modalIn{from{opacity:0;transform:scale(.96) translateY(20px)}to{opacity:1;transform:none}}
@media (max-width:780px){
  .product-modal{padding:16px}
  .modal-panel{grid-template-columns:1fr}
}
.modal-close{
  position:absolute;top:14px;right:14px;z-index:2;
  width:36px;height:36px;border-radius:50%;
  background:rgba(255,255,255,.95);border:1px solid var(--line);
  font-size:22px;line-height:1;color:var(--text-dim);
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:all .2s;
}
.modal-close:hover{background:var(--text);color:#fff;border-color:var(--text)}
.modal-img-wrap{
  background:#f1f5f9;display:flex;align-items:center;justify-content:center;
  padding:32px;min-height:300px;
}
.modal-img-wrap img{max-width:100%;max-height:420px;width:auto;height:auto;object-fit:contain}
.modal-info{padding:36px 36px 32px;display:flex;flex-direction:column;gap:14px}
.modal-tag{
  display:inline-block;font-size:10.5px;letter-spacing:2.5px;
  color:var(--accent);font-weight:700;text-transform:uppercase;
}
.modal-info h2{
  font-family:'Noto Sans KR',var(--font-display);
  font-size:22px;font-weight:800;color:var(--text);
  margin:0;line-height:1.3;
}
.modal-model{
  font-size:13px;color:var(--text-dim);margin:0;
  font-family:var(--font-display);word-break:break-all;
}
.modal-specs{margin:8px 0 0;padding:14px 16px;background:var(--bg-1);border-radius:var(--radius);display:flex;flex-direction:column;gap:8px}
.modal-specs div{display:flex;gap:14px;font-size:13px}
.modal-specs dt{flex-shrink:0;width:72px;color:var(--text-mute);font-weight:600;letter-spacing:.4px}
.modal-specs dd{margin:0;color:var(--text);font-weight:500;flex:1;word-break:break-all}
.modal-actions{display:flex;gap:10px;margin-top:auto;padding-top:18px;flex-wrap:wrap}
.modal-actions .btn{padding:11px 22px;font-size:13px}