:root{
    --accent:#FF6B00;
    --bg:#ffffff;
    --card:#f4f4f4;
    --text:#111;
    --muted:#666;
    --danger:#d64545;
  }
  [data-theme="dark"]{
    --bg:#0f0f10;
    --card:#171717;
    --text:#eee;
    --muted:#a5a5a5;
  }
  *{box-sizing:border-box}
  body{
    margin:0;font-family:Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue";
    background:var(--bg); color:var(--text); -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
  }
  header{height:56px;display:flex;align-items:center;gap:12px;padding:8px 12px;background:var(--accent);color:#fff}
  header .title{font-weight:700}
  main{padding:12px}
  .search-row{display:flex;gap:8px;margin:8px 0}
  .search-row input, .search-row select{flex:1;padding:10px;border-radius:10px;border:1px solid #ddd;background:var(--card);color:var(--text)}
  .grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
  @media(min-width:900px){ .grid{grid-template-columns:repeat(3,1fr)} header{height:72px;padding:12px 20px} main{padding:24px} }
  .card{background:var(--card);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:8px;min-height:150px}
  .thumb{height:90px;background:#ddd;border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px}
  .meta{font-size:13px;color:var(--muted)}
  .price-row{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:auto}
  .btn{background:var(--accent);color:#fff;padding:10px 12px;border-radius:10px;border:none;font-weight:600}
  .btn-ghost{background:transparent;border:1px solid rgba(0,0,0,0.08);padding:8px;border-radius:8px}
  .cart-btn{position:fixed;right:14px;bottom:14px;background:var(--accent);color:#fff;padding:14px;border-radius:999px;box-shadow:0 6px 18px rgba(0,0,0,0.12);z-index:60}
  .cart-badge{background:#fff;color:var(--accent);padding:2px 6px;border-radius:999px;margin-left:6px;font-weight:700}
  .panel{position:fixed;right:0;top:0;height:100vh;width:100%;max-width:420px;background:var(--bg);box-shadow:-10px 0 30px rgba(0,0,0,0.12);z-index:70;padding:14px;overflow:auto}
  .hidden{display:none}
  .cart-item{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid rgba(0,0,0,0.05)}
  .small{font-size:13px;color:var(--muted)}
  label{display:block;font-size:13px;margin-bottom:6px}
  .row{display:flex;gap:8px;align-items:center}
  input[type="number"]{width:100%;padding:8px;border-radius:8px;border:1px solid #ddd;background:var(--card);color:var(--text)}
  .muted{color:var(--muted);font-size:13px}
  .success{padding:20px;border-radius:12px;background:linear-gradient(90deg,#e6fff0,#f4fff7);color:#0a6b2d}
  footer{padding:12px;text-align:center;color:var(--muted);font-size:13px}
  .tag{display:inline-block;padding:4px 8px;border-radius:999px;background:rgba(0,0,0,0.06);font-size:12px;color:var(--muted)}
  .switch{display:inline-flex;align-items:center;gap:8px}
  .theme-toggle{background:transparent;border:1px solid rgba(255,255,255,0.2);padding:6px;border-radius:8px;color:#fff}
  .filter-box{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
  .filter-chip{padding:6px 10px;border-radius:999px;background:var(--card);font-size:13px;border:1px solid rgba(0,0,0,0.04)}
  .note{font-size:12px;color:var(--muted)}