:root {
  --bg: #f5f5f4;
  --card: #ffffff;
  --ink: #1c1917;
  --muted: #78716c;
  --brand: #ea580c;
  --brand-dark: #c2410c;
  --ok: #16a34a;
  --line: #e7e5e4;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
}
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 1rem 1.25rem; background: var(--ink); color: #fff;
  position: sticky; top: 0; z-index: 10;
}
.brand h1 { margin: 0; font-size: 1.3rem; }
.lema { margin: .2rem 0 0; font-size: .85rem; color: #d6d3d1; }
.cart-btn {
  background: var(--brand); color: #fff; border: 0; border-radius: 999px;
  padding: .6rem 1rem; font-size: 1rem; cursor: pointer; white-space: nowrap;
}
.cart-count {
  background: #fff; color: var(--brand); border-radius: 999px;
  padding: 0 .45rem; font-weight: 700; font-size: .85rem; margin-left: .2rem;
}
.topbar-actions { display: flex; align-items: center; gap: .6rem; }
.cuenta-btn {
  background: transparent; color: #fff; border: 1px solid #ffffff66;
  border-radius: 999px; padding: .55rem .9rem; font-size: .9rem; cursor: pointer;
  white-space: nowrap;
}
.cuenta-btn:hover { background: #ffffff22; }
/* Formulario de cuenta (registro / login / verificar) */
.auth-form { display: flex; flex-direction: column; gap: .6rem; margin-top: .5rem; }
.auth-form input {
  padding: .7rem .75rem; border: 1px solid var(--line); border-radius: 8px; font-size: 1rem;
}
.auth-form button { width: 100%; }
.auth-link { background: none; border: 0; color: var(--brand); cursor: pointer; padding: 0; font-size: .9rem; text-decoration: underline; }
.auth-msg { font-size: .9rem; margin: .4rem 0 0; }
.auth-msg.error { color: #b91c1c; }
.auth-msg.ok { color: #15803d; }
.auth-code { text-align: center; letter-spacing: .35rem; font-size: 1.3rem; }
.controls {
  display: flex; gap: .75rem; padding: 1rem 1.25rem; flex-wrap: wrap;
}
.controls input, .controls select {
  padding: .6rem .75rem; border: 1px solid var(--line); border-radius: 8px;
  font-size: 1rem; background: #fff;
}
.controls input { flex: 1 1 220px; }
.grid {
  display: grid; gap: 1rem; padding: 0 1.25rem 3rem;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  overflow: hidden; display: flex; flex-direction: column;
}
.card .thumb {
  aspect-ratio: 4/3; background: #e7e5e4 center/cover no-repeat;
  display: flex; align-items: center; justify-content: center; color: var(--muted);
  font-size: .8rem;
}
.card .body { padding: .85rem; display: flex; flex-direction: column; gap: .35rem; flex: 1; }
.card h3 { margin: 0; font-size: 1rem; line-height: 1.25; }
.card .cat { font-size: .72rem; color: var(--brand); font-weight: 600; text-transform: uppercase; }
.card .desc { font-size: .82rem; color: var(--muted); flex: 1; }
.card .estado { font-size: .75rem; color: var(--muted); }
.card .precio { font-size: 1.2rem; font-weight: 800; }
.card .stock-zero { color: #b91c1c; font-weight: 700; font-size: .8rem; }
.add-btn {
  margin-top: .3rem; background: var(--brand); color: #fff; border: 0;
  padding: .55rem; border-radius: 8px; font-size: .95rem; cursor: pointer;
}
.add-btn:disabled { background: #d6d3d1; cursor: not-allowed; }

.overlay { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 20; }
.cart {
  position: fixed; top: 0; right: 0; height: 100%; width: min(420px, 92vw);
  background: #fff; z-index: 30; display: flex; flex-direction: column;
  box-shadow: -8px 0 30px rgba(0,0,0,.2);
}
.cart-head { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.25rem; border-bottom: 1px solid var(--line); }
.cart-head h2 { margin: 0; }
.icon-btn { background: none; border: 0; font-size: 1.2rem; cursor: pointer; color: var(--muted); }
.cart-items { flex: 1; overflow-y: auto; padding: 1rem 1.25rem; display: flex; flex-direction: column; gap: .85rem; }
.ci { display: flex; gap: .6rem; align-items: center; border-bottom: 1px solid var(--line); padding-bottom: .7rem; }
.ci .ci-name { flex: 1; font-size: .9rem; }
.ci .ci-price { font-weight: 700; font-size: .85rem; }
.qty { display: flex; align-items: center; gap: .4rem; }
.qty button { width: 26px; height: 26px; border: 1px solid var(--line); background: #fff; border-radius: 6px; cursor: pointer; font-size: 1rem; }
.ci-remove { color: #b91c1c; background: none; border: 0; cursor: pointer; font-size: .85rem; }
.empty { color: var(--muted); text-align: center; margin-top: 2rem; }
.cart-envio { padding: .85rem 1.25rem; border-top: 1px solid var(--line); font-size: .85rem; display: flex; flex-direction: column; gap: .4rem; }
.cart-envio label { display: flex; gap: .4rem; align-items: flex-start; cursor: pointer; }
.cart-foot { padding: 1rem 1.25rem; border-top: 1px solid var(--line); }
.total-row { display: flex; justify-content: space-between; font-size: 1.1rem; margin-bottom: .75rem; }
.checkout-btn { width: 100%; background: var(--ok); color: #fff; border: 0; padding: .8rem; border-radius: 8px; font-size: 1rem; cursor: pointer; }
.checkout-btn:disabled { background: #a8a29e; cursor: not-allowed; }
.pago-btn { width: 100%; margin-top: .5rem; background: #fff; color: var(--ink); border: 1px solid var(--line); padding: .7rem; border-radius: 8px; font-size: .95rem; cursor: pointer; }
.pago-btn:disabled { color: #a8a29e; cursor: not-allowed; }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 40; display: flex; align-items: center; justify-content: center; padding: 1rem; }
.modal-box { background: #fff; border-radius: 14px; max-width: 460px; width: 100%; padding: 1.5rem; position: relative; max-height: 90vh; overflow-y: auto; }
.modal-x { position: absolute; top: .8rem; right: 1rem; }
.pago-bloque { border: 1px solid var(--line); border-radius: 10px; padding: 1rem; margin-top: 1rem; }
.pago-bloque h3 { margin: 0 0 .5rem; }
.pago-bloque table { width: 100%; font-size: .9rem; border-collapse: collapse; }
.pago-bloque td { padding: .2rem 0; }
.pago-bloque td:first-child { color: var(--muted); width: 42%; }
.copy-hint { font-size: .78rem; color: var(--muted); margin-top: .5rem; }

.footer { text-align: center; color: var(--muted); font-size: .8rem; padding: 2rem 1rem; }
.hidden { display: none !important; }