:root{
  --bg:#f5f6f8;--panel:#ffffff;--ink:#202124;--sub:#5f6368;--muted:#9aa0a6;--line:#e6e8eb;--line-2:#eef0f3;
  --accent:#2563eb;--accent-d:#1d4ed8;--soft:#eef3ff;--bar:60px;--side:248px;--listw:336px;
}
*{box-sizing:border-box}html,body{margin:0}
body{font-family:'Pretendard Variable',Pretendard,-apple-system,'Apple SD Gothic Neo',sans-serif;color:var(--ink);background:var(--bg);
  line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent);color:#fff}
.sidebar::-webkit-scrollbar,.list::-webkit-scrollbar{width:8px}
.sidebar::-webkit-scrollbar-thumb,.list::-webkit-scrollbar-thumb{background:#d4d8dd;border-radius:8px}

.appbar{position:sticky;top:0;height:var(--bar);display:flex;align-items:center;gap:14px;padding:0 22px;
  background:#fff;border-bottom:1px solid var(--line);z-index:30}
.appbar-brand{font-weight:800;font-size:18px;color:var(--ink);letter-spacing:-.02em;display:inline-flex;align-items:center;gap:8px}
.appbar-brand::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
.icon-btn{display:none;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);cursor:pointer;transition:.15s}
.icon-btn:hover{background:var(--soft);border-color:var(--accent);color:var(--accent)}
.back{display:none;font-size:15px;color:var(--sub);font-weight:600;padding:6px 4px}
.layout{display:grid;grid-template-columns:var(--side) var(--listw) 1fr;align-items:start}

/* sidebar */
.sidebar{position:sticky;top:var(--bar);height:calc(100vh - var(--bar));overflow:auto;padding:16px 12px;border-right:1px solid var(--line);background:#fff}
.brand{display:none}
.nav-cap{font-size:11px;font-weight:700;letter-spacing:.04em;color:var(--muted);padding:8px 14px 10px}
.nav-item{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 14px;border-radius:8px;font-size:14px;font-weight:500;color:var(--sub);transition:.15s}
.nav-item:hover{background:var(--line-2);color:var(--ink)}
.nav-item.active{background:var(--soft);color:var(--accent-d);font-weight:700}
.nav-cnt{font-size:12px;color:var(--muted);font-weight:500;font-variant-numeric:tabular-nums}
.nav-item.active .nav-cnt{color:var(--accent)}

/* list */
.list{position:sticky;top:var(--bar);height:calc(100vh - var(--bar));overflow:auto;border-right:1px solid var(--line);background:#fff}
.list-head{position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;padding:18px 20px 14px;background:#fff;border-bottom:1px solid var(--line);font-size:15px;font-weight:700;color:var(--ink);z-index:2}
.list-cnt{font-size:12px;color:var(--sub);background:var(--line-2);padding:2px 10px;border-radius:999px;font-weight:600}
.rows{padding:8px 10px 28px}
.grp{display:flex;align-items:center;gap:10px;padding:18px 8px 8px;font-size:12.5px;font-weight:700;color:var(--sub)}
.grp::after{content:"";flex:1;height:1px;background:var(--line)}
.grp-cnt{font-size:11px;font-weight:500;color:var(--muted)}
.row{display:block;padding:12px 14px;border-radius:10px;margin-bottom:2px;border:1px solid transparent;transition:.15s}
.row:hover{background:var(--line-2)}
.row.active{background:var(--soft);border-color:#cdddfd}
.row-title{font-size:14px;font-weight:600;color:var(--ink);line-height:1.45}
.row.active .row-title{color:var(--accent-d)}
.row-foot{display:flex;align-items:baseline;gap:10px;margin-top:6px}
.row-price{font-size:14px;font-weight:700;color:var(--ink)}
.row-dl{font-size:11.5px;color:var(--muted);font-weight:500}

/* detail */
.detail{padding:32px 40px 96px;max-width:840px}
.d-head{margin-bottom:2px}
.d-crumb{font-size:12.5px;color:var(--accent);font-weight:600;display:flex;gap:8px;align-items:center}
.d-crumb .sep{color:var(--muted)}
.d-title{font-size:28px;font-weight:800;letter-spacing:-.02em;margin:10px 0 0;line-height:1.3;color:var(--ink)}
.sep{opacity:.6}
.buybar{position:sticky;top:calc(var(--bar) + 14px);z-index:20;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin:20px 0 28px;
  box-shadow:0 4px 16px -8px rgba(20,30,50,.18)}
.bb-label{font-size:12px;font-weight:600;color:var(--sub)}
.bb-dl{color:var(--accent);font-weight:700}
.bb-prices{display:flex;align-items:baseline;gap:10px;margin-top:5px}
.bb-reg{font-size:15px;color:var(--muted);text-decoration:line-through}
.bb-now{font-size:30px;font-weight:800;color:var(--ink);letter-spacing:-.02em;line-height:1}
.bb-actions{display:flex;gap:8px;flex-shrink:0}
.btn{text-align:center;padding:13px 24px;border-radius:10px;font-weight:700;font-size:14.5px;border:1px solid var(--line);background:#fff;color:var(--ink);transition:.15s;white-space:nowrap}
.btn:hover{filter:brightness(.97)}
.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn.primary:hover{background:var(--accent-d);border-color:var(--accent-d);filter:none}
.btn.kakao{background:#FEE500;color:#1a1700;border-color:#FEE500;display:inline-flex;align-items:center;justify-content:center;gap:6px}
.btn.kakao:hover{background:#fada00;filter:none}
.gallery{display:flex;flex-direction:column;gap:0;margin:20px -40px 0}
.gallery>img,.gallery>.prime-link img,.shot{width:100%;height:auto;display:block;background:#eceef1}
.gallery>.prime-link{display:block;cursor:pointer;transition:opacity .2s}
.gallery>.prime-link:hover{opacity:.92}
.grid2{column-count:2;column-gap:10px;padding:10px 40px 0}
.grid2 img{width:100%;height:auto;display:block;margin-bottom:10px;break-inside:avoid;background:#eceef1;border-radius:10px}
.empty{color:var(--muted);padding:80px 12px;font-size:15px}
.empty-sm{color:var(--muted);padding:24px 12px;font-size:13px}
.scrim{display:none}

@media(max-width:980px){
  .appbar{padding:0 14px;gap:10px;height:56px}
  .icon-btn{display:inline-flex}
  .layout{display:block}
  .sidebar{position:fixed;top:0;left:-320px;width:288px;height:100vh;padding-top:18px;background:#fff;transition:left .28s cubic-bezier(.32,.72,0,1);z-index:40;box-shadow:20px 0 60px -24px rgba(20,24,32,.35)}
  .brand{display:flex;align-items:center;gap:8px;padding:6px 16px 16px;font-weight:800;font-size:18px;color:var(--ink)}
  .brand::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
  body.drawer .sidebar{left:0}
  body.drawer .scrim{display:block;position:fixed;inset:0;background:rgba(20,24,32,.4);z-index:35}
  .list,.detail{position:static;height:auto;border:none;max-width:none}
  .detail{padding:20px 18px 60px}
  .gallery{margin:16px -18px 0}
  .grid2{padding:10px 18px 0}
  .d-title{font-size:23px}
  body.mode-detail .list{display:none}
  body.mode-detail .back{display:inline-block}
  body.mode-list .detail{display:none}
  .buybar{top:70px;margin:14px 0 18px;padding:16px 18px;border-radius:12px}
  .bb-now{font-size:26px}
  .bb-actions{width:100%}
  .bb-actions .btn{flex:1;padding:13px 10px}
}