:root{
  --navy:#0F2A4A; --navy-soft:#1b3a5e; --orange:#F26A21; --orange-dark:#c9521a;
  --ink:#16202c; --muted:#647284; --line:#e3e8ee; --bg:#f4f6f8; --card:#ffffff;
  --ok:#1d9e75; --radius:12px; --shadow:0 1px 3px rgba(15,42,74,.08),0 6px 18px rgba(15,42,74,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.5}
a{color:inherit}
.hidden{display:none!important}

/* ---------- Header ---------- */
.top{position:sticky;top:0;z-index:30;background:#fff;color:var(--navy);border-bottom:3px solid var(--orange);box-shadow:0 1px 6px rgba(15,42,74,.06)}
.top-in{max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:18px;padding:10px 20px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.brand .bmark{height:50px;width:auto;display:block}
.brand .bword{height:21px;width:auto;display:block}
.searchbar{flex:1;position:relative}
.searchbar input{width:100%;height:46px;border:1.5px solid var(--line);background:#f4f6f8;border-radius:30px;padding:0 48px 0 20px;font-size:16px;outline:none}
.searchbar input:focus{border-color:var(--orange);background:#fff}
.searchbar .si{position:absolute;right:16px;top:13px;color:var(--navy);font-size:20px}
.cart-btn{position:relative;background:var(--orange);color:#fff;border:none;height:46px;padding:0 20px 0 16px;border-radius:30px;font-size:15px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:8px;flex-shrink:0}
.cart-btn:hover{background:var(--orange-dark)}
.cart-btn .badge{background:#fff;color:var(--orange);border-radius:20px;min-width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;padding:0 6px}

/* ---------- Search context ---------- */
.wrap{max-width:1180px;margin:0 auto;padding:22px 20px 80px}
.hint{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:4px 0 18px;color:var(--muted);font-size:14px}
.chip{background:#fff;border:1px solid var(--line);color:var(--navy);border-radius:20px;padding:5px 13px;font-size:13px;cursor:pointer}
.chip:hover{border-color:var(--orange);color:var(--orange)}
.result-meta{margin:0 0 14px;color:var(--muted);font-size:14px}
.result-meta b{color:var(--ink)}

/* ---------- Grid ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:16px}
.pcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px;display:flex;flex-direction:column;gap:10px}
.pcard .pname{font-weight:600;font-size:15px;color:var(--ink);min-height:42px;display:flex;align-items:flex-start}
.pcard .pcat{font-size:11px;letter-spacing:.4px;text-transform:uppercase;color:var(--orange);font-weight:700}
.price-row{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--muted)}
.price-row .peso{color:var(--navy);font-weight:700}
.price-in{width:92px;height:34px;border:1px solid var(--line);border-radius:8px;padding:0 8px;font-size:14px;text-align:right}
.price-in:focus{outline:none;border-color:var(--orange)}
.pca{display:flex;gap:8px;align-items:stretch}
.qty{display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.qty button{width:30px;border:none;background:#f0f3f7;color:var(--navy);font-size:18px;cursor:pointer}
.qty button:hover{background:#e3e8ee}
.qty input{width:42px;border:none;text-align:center;font-size:15px;height:34px;outline:none}
.add{flex:1;background:var(--navy);color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px}
.add:hover{background:var(--navy-soft)}
.add.added{background:var(--ok)}
.empty-state{text-align:center;color:var(--muted);padding:60px 20px}

/* ---------- Cart drawer ---------- */
.overlay{position:fixed;inset:0;background:rgba(15,42,74,.45);z-index:40;opacity:0;pointer-events:none;transition:opacity .2s}
.overlay.open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;height:100%;width:420px;max-width:92vw;background:#fff;z-index:50;display:flex;flex-direction:column;transform:translateX(100%);transition:transform .25s ease}
.drawer.open{transform:translateX(0)}
.drawer-h{background:var(--navy);color:#fff;padding:16px 18px;display:flex;align-items:center;justify-content:space-between}
.drawer-h h2{margin:0;font-size:18px}
.drawer-h .x{background:none;border:none;color:#fff;font-size:24px;cursor:pointer;line-height:1}
.citems{flex:1;overflow-y:auto;padding:12px 16px}
.citem{display:grid;grid-template-columns:1fr auto;gap:4px 10px;padding:12px 0;border-bottom:1px solid var(--line)}
.citem .cn{font-weight:600;font-size:14px}
.citem .cline{grid-column:1/-1;display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:13px}
.citem .cprice{width:84px;height:30px;border:1px solid var(--line);border-radius:6px;text-align:right;padding:0 6px;font-size:13px}
.citem .cqty{display:flex;align-items:center;border:1px solid var(--line);border-radius:6px}
.citem .cqty button{width:26px;height:28px;border:none;background:#f0f3f7;cursor:pointer;font-size:15px;color:var(--navy)}
.citem .cqty input{width:36px;border:none;text-align:center;height:28px;outline:none}
.citem .ltot{margin-left:auto;font-weight:700;color:var(--navy)}
.citem .rm{background:none;border:none;color:#b33;cursor:pointer;font-size:13px}
.summary{border-top:2px solid var(--line);padding:16px 18px;background:#fafbfc}
.srow{display:flex;justify-content:space-between;font-size:14px;margin:6px 0;color:var(--muted)}
.srow.total{font-size:20px;font-weight:800;color:var(--navy);margin-top:10px;padding-top:10px;border-top:1px dashed var(--line)}
.srow .v{color:var(--ink)}
.note{font-size:12px;color:var(--muted);margin:8px 0 14px}
.checkout{width:100%;background:var(--orange);color:#fff;border:none;height:48px;border-radius:10px;font-size:16px;font-weight:700;cursor:pointer}
.checkout:hover{background:var(--orange-dark)}
.cart-empty{text-align:center;color:var(--muted);padding:50px 16px}
.cat-btn{background:transparent;color:var(--navy);border:1.5px solid var(--navy);height:46px;padding:0 16px;border-radius:30px;font-size:15px;font-weight:600;cursor:pointer;flex-shrink:0}
.cat-btn:hover{background:#f0f3f7}
.vlink{color:var(--navy);font-weight:600;cursor:pointer;font-size:11px;text-transform:none;letter-spacing:0;margin-left:4px;opacity:.7}
.vlink:hover{color:var(--orange);opacity:1}

/* ---------- Visor ---------- */
.viewer{position:fixed;inset:0;z-index:60;background:rgba(11,22,38,.94);display:none;flex-direction:column}
.viewer.open{display:flex}
.viewer-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;background:var(--navy);color:#fff;flex-shrink:0}
.vtitle{font-weight:700;font-size:15px}
.vnav{display:flex;align-items:center;gap:10px}
.vnav button{background:var(--orange);color:#fff;border:none;width:38px;height:38px;border-radius:50%;font-size:22px;cursor:pointer;line-height:1}
.vnav button:hover{background:var(--orange-dark)}
.vpage{font-size:14px}
.vpage input{width:58px;height:32px;border:none;border-radius:6px;text-align:center;font-size:14px;font-weight:700}
.vclose{background:none;border:none;color:#fff;font-size:30px;cursor:pointer;line-height:1}
.viewer-stage{flex:1;display:flex;align-items:center;justify-content:center;position:relative;overflow:auto;padding:16px}
.viewer-stage img{max-width:96%;max-height:100%;box-shadow:0 8px 40px rgba(0,0,0,.5);background:#fff;border-radius:4px}
.vside{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.15);color:#fff;border:none;width:52px;height:72px;font-size:34px;cursor:pointer;border-radius:8px}
.vside:hover{background:var(--orange)}
.vleft{left:14px}.vright{right:14px}
@media(max-width:640px){
  .brand .bmark{height:40px}.brand .bword{height:16px}
  .top-in{flex-wrap:wrap}.searchbar{order:3;flex-basis:100%}
  .cat-btn{font-size:0;padding:0 14px}.cat-btn::before{content:"📖";font-size:18px}
  .vside{width:40px;height:56px;font-size:26px}
}