/* Catálogo público — estilos mobile-first, limpios y livianos (sin dependencias). */
:root{
  --bg:#f5f6f8; --card:#fff; --ink:#1c2430; --muted:#7a8698; --line:#e7eaef;
  --brand:#128c7e; --brand-dark:#0b6b60; --accent:#e63946;
  --ok:#1f9d55; --low:#c78a00; --out:#98a0ad; --radius:14px;
  --shadow:0 1px 3px rgba(20,30,45,.08),0 6px 20px rgba(20,30,45,.05);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;padding-bottom:90px}
.wrap{max-width:960px;margin:0 auto;padding:0 12px}

/* Barra superior */
.topbar{position:sticky;top:0;z-index:20;background:var(--brand);color:#fff;
  box-shadow:0 2px 10px rgba(0,0,0,.12)}
.topbar .wrap{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
.brand{font-weight:700;font-size:18px;white-space:nowrap;color:#fff;text-decoration:none}
.search{display:flex;flex:1;min-width:180px;background:#fff;border-radius:10px;overflow:hidden}
.search input{flex:1;border:0;padding:10px 12px;font-size:15px;outline:none;color:var(--ink)}
.search button{border:0;background:#fff;font-size:16px;padding:0 12px;cursor:pointer}

/* Categorías */
.cats{display:flex;gap:8px;overflow-x:auto;padding:12px;-webkit-overflow-scrolling:touch;
  scrollbar-width:none}
.cats::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;padding:7px 14px;background:#fff;border:1px solid var(--line);border-radius:999px;
  color:var(--ink);text-decoration:none;font-size:13px;white-space:nowrap}
.chip.on{background:var(--brand);color:#fff;border-color:var(--brand)}

/* Grilla */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;padding:4px 0 20px}
@media(min-width:620px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:900px){.grid{grid-template-columns:repeat(4,1fr)}}

.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  overflow:hidden;display:flex;flex-direction:column}

/* El atributo HTML [hidden] debe ganarle siempre a cualquier display:flex propio
   (.fab / .overlay lo definen más abajo) — si no, el navegador nunca oculta. */
[hidden]{display:none !important}
.thumb{position:relative;aspect-ratio:1/1;background:#fafbfc;display:flex;align-items:center;justify-content:center}
.thumb img{width:100%;height:100%;object-fit:contain;padding:10px}
.noimg{font-size:44px;opacity:.35}
.off{position:absolute;top:6px;left:6px;background:var(--accent);color:#fff;font-size:11px;
  font-weight:700;padding:3px 7px;border-radius:6px}
.body{padding:10px 11px 12px;display:flex;flex-direction:column;gap:5px;flex:1}
.cat{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.3px}
.name{font-size:14px;font-weight:600;margin:0;line-height:1.25;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.5em}
.meta{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.stk{font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px}
.stk-ok{background:#e5f5ec;color:var(--ok)}
.stk-low{background:#fdf3d9;color:var(--low)}
.stk-out{background:#eef0f3;color:var(--out)}
.unit{font-size:11px;color:var(--muted)}
.price{margin-top:2px}
.price s{color:var(--muted);font-size:12px;margin-right:5px}
.price strong{font-size:16px;color:var(--ink)}
.add{margin-top:auto;border:0;background:var(--brand);color:#fff;font-weight:600;font-size:14px;
  padding:9px;border-radius:9px;cursor:pointer;transition:background .15s}
.add:hover{background:var(--brand-dark)}
.add.added{background:var(--ink)}
.add.is-off,.add:disabled{background:#dfe3e9;color:#9aa3b0;cursor:not-allowed}

/* Estados / paginación */
.empty{text-align:center;padding:50px 16px;color:var(--ink)}
.muted{color:var(--muted)}
.pager{display:flex;align-items:center;justify-content:center;gap:14px;padding:12px 0 24px}
.btn{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:9px;
  padding:8px 14px;text-decoration:none;color:var(--ink);font-size:14px}
.empty .btn{margin-top:10px;border-color:var(--brand);color:var(--brand);font-weight:600}

/* Botón flotante */
.fab{position:fixed;left:50%;transform:translateX(-50%);bottom:16px;z-index:30;
  background:var(--brand);color:#fff;border:0;border-radius:999px;padding:13px 22px;font-size:15px;
  font-weight:700;display:flex;align-items:center;gap:9px;cursor:pointer;
  box-shadow:0 6px 22px rgba(18,140,126,.45)}
.fab-total{background:rgba(255,255,255,.22);padding:2px 9px;border-radius:999px;font-size:14px}

/* Panel selección */
.overlay{position:fixed;inset:0;z-index:40;background:rgba(15,22,32,.5);
  display:flex;align-items:flex-end;justify-content:center}
.sheet{background:#fff;width:100%;max-width:560px;border-radius:18px 18px 0 0;
  max-height:82vh;display:flex;flex-direction:column;animation:up .2s ease}
@keyframes up{from{transform:translateY(20px);opacity:.6}to{transform:none;opacity:1}}
.sheet-head{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--line)}
.sheet-head strong{font-size:17px}
.x{border:0;background:#f0f2f5;width:32px;height:32px;border-radius:50%;font-size:15px;cursor:pointer}
.sheet-body{overflow-y:auto;padding:6px 16px;flex:1}
.si{display:flex;align-items:center;gap:10px;padding:11px 0;border-bottom:1px solid var(--line)}
.si-info{flex:1;min-width:0}
.si-name{font-size:14px;font-weight:600;line-height:1.2}
.si-sub{font-size:12px;color:var(--muted);margin-top:2px}
.qty{display:flex;align-items:center;gap:8px}
.qty button{border:1px solid var(--line);background:#fff;width:30px;height:30px;border-radius:8px;
  font-size:17px;line-height:1;cursor:pointer;color:var(--ink)}
.qty span{min-width:22px;text-align:center;font-weight:600}
.si-del{border:0;background:none;color:var(--accent);font-size:13px;cursor:pointer;padding:4px}
.sheet-total{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 4px;font-size:16px}
.note{padding:0 16px;margin:6px 0 0;font-size:12px;color:var(--muted)}
.send{margin:14px 16px 18px;border:0;background:var(--brand);color:#fff;font-weight:700;font-size:16px;
  padding:14px;border-radius:12px;cursor:pointer}
.send:hover{background:var(--brand-dark)}