:root{
  --bg:#0f1115;
  --surface:#171a21;
  --surface-2:#1e222b;
  --line:#2a2f3a;
  --text:#e8eaed;
  --muted:#9aa2b1;
  --accent:#3b82f6;
  --accent-2:#22c55e;
  --danger:#ef4444;
  --radius:14px;
  --shadow:0 6px 24px rgba(0,0,0,.28);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none !important}
html,body{margin:0}
body{
  background:radial-gradient(1200px 600px at 80% -10%, #1b2330 0%, var(--bg) 55%);
  color:var(--text);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
a{color:var(--accent)}

/* Header */
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(15,17,21,.82);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;padding:14px 20px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;flex:1 1 auto}
.brand-mark{font-size:32px;line-height:1}
.site-header h1{font-size:20px;margin:0;font-weight:700;letter-spacing:-.01em}
.tagline{margin:2px 0 0;color:var(--muted);font-size:13px}
.search-box{flex:1 1 320px;max-width:460px}
.search-box input{
  width:100%;padding:11px 14px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);color:var(--text);font-size:15px;outline:none;
}
.search-box input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(59,130,246,.25)}

/* Stats */
.stats{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 4px}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:12px 16px;min-width:120px;flex:1 1 120px;
}
.stat b{display:block;font-size:22px;font-weight:700}
.stat span{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}

/* Filters */
.filters{margin:18px 0 8px}
.filter-group{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.chip{
  padding:8px 14px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);color:var(--text);cursor:pointer;font-size:14px;
  transition:.15s;
}
.chip:hover{border-color:var(--accent)}
.chip.active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.filter-row{display:flex;gap:14px;flex-wrap:wrap;align-items:flex-end}
.filter-row label{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--muted)}
.filter-row select{
  padding:9px 12px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--text);font-size:14px;min-width:150px;
}
.btn-clear{
  padding:10px 16px;border-radius:10px;border:1px solid var(--line);
  background:transparent;color:var(--muted);cursor:pointer;font-size:14px;
}
.btn-clear:hover{color:var(--text);border-color:var(--accent)}

.result-count{color:var(--muted);font-size:14px;margin:14px 0}

/* Grid */
.grid{
  display:grid;gap:18px;padding-bottom:40px;
  grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow);
  transition:transform .15s, border-color .15s;
}
.card:hover{transform:translateY(-3px);border-color:#3a4150}
.thumb{
  aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;
  position:relative;color:#fff;
}
.thumb .brand-name{font-size:26px;font-weight:800;letter-spacing:.02em;text-align:center;padding:0 12px;text-shadow:0 2px 8px rgba(0,0,0,.35)}
.thumb .cat-badge{
  position:absolute;top:10px;left:10px;background:rgba(0,0,0,.45);
  padding:4px 10px;border-radius:999px;font-size:11px;font-weight:600;backdrop-filter:blur(4px);
}
.thumb .box-badge{
  position:absolute;top:10px;right:10px;background:rgba(0,0,0,.45);
  padding:4px 10px;border-radius:999px;font-size:11px;backdrop-filter:blur(4px);
}
.card-body{padding:14px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-marca{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-weight:600}
.card-desc{font-size:14px;line-height:1.35;margin:0;flex:1}
.card-meta{display:flex;flex-wrap:wrap;gap:6px}
.tag{background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:3px 9px;font-size:12px;color:var(--muted)}
.card-price-row{display:flex;align-items:center;justify-content:space-between;margin-top:4px}
.price{font-size:22px;font-weight:800;color:#fff}
.price small{font-size:13px;color:var(--muted);font-weight:500}
.stock{font-size:12px;color:var(--accent-2)}
.stock.low{color:#f59e0b}
.stock.out{color:var(--danger)}
.card-actions{display:flex;gap:8px;margin-top:6px}
.btn{
  flex:1;text-align:center;padding:10px;border-radius:10px;font-size:13px;font-weight:600;
  text-decoration:none;cursor:pointer;border:1px solid transparent;transition:.15s;
}
.btn-wa{background:#25d366;color:#06280f}
.btn-wa:hover{filter:brightness(1.08)}
.btn-store{background:transparent;border-color:var(--line);color:var(--text)}
.btn-store:hover{border-color:var(--accent)}

.empty{text-align:center;color:var(--muted);padding:60px 0}

/* Footer */
.site-footer{
  border-top:1px solid var(--line);margin-top:20px;padding:26px 20px;text-align:center;
  color:var(--muted);font-size:14px;
}
.site-footer a{font-weight:600}

@media (max-width:560px){
  .site-header h1{font-size:17px}
  .grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
  .price{font-size:19px}
}