/* Vitrine pública */
.topo {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 12px max(16px, 4vw); background: rgba(10, 12, 16, .82); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.marca { font-weight: 800; font-size: 1.15rem; color: var(--txt); text-decoration: none; letter-spacing: .01em; }
.marca b { color: var(--azul); }
.voltar { color: var(--txt2); text-decoration: none; font-size: .9rem; }
.voltar:hover { color: var(--txt); }

main { max-width: 1180px; margin: 0 auto; padding: 28px max(16px, 4vw) 72px; }
.hero { margin-bottom: 22px; }
.hero h1 { font-size: clamp(1.7rem, 4.5vw, 2.4rem); letter-spacing: -.01em; }
.hero p { margin: 8px 0 0; color: var(--txt2); max-width: 56ch; }

.filtros { display: grid; gap: 12px; margin-bottom: 22px; }
.chips { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; scrollbar-width: thin; }
.chip {
  flex: 0 0 auto; appearance: none; font: inherit; font-size: .88rem; font-weight: 600; cursor: pointer;
  color: var(--txt2); background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 8px 15px; min-height: 38px;
}
.chip:hover { border-color: var(--line-azul); color: var(--txt); }
.chip[aria-pressed="true"] { background: rgba(0, 194, 255, .14); border-color: var(--azul); color: var(--azul); }

.grade { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 640px)  { .grade { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; } }
@media (min-width: 980px)  { .grade { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.grade > li { display: flex; }
.item {
  flex: 1; width: 100%; text-align: left; font: inherit; color: inherit; cursor: pointer; padding: 0; overflow: hidden;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r); display: flex; flex-direction: column;
  transition: transform .18s, border-color .18s, box-shadow .18s;
}
.item:hover { transform: translateY(-3px); border-color: var(--line-azul); box-shadow: var(--sombra); }
.item-foto { position: relative; aspect-ratio: 1; background: var(--bg2); overflow: hidden; }
.item-foto img { width: 100%; height: 100%; object-fit: cover; }
.item-sem-foto { width: 100%; height: 100%; display: grid; place-items: center; font-size: 2.6rem; font-weight: 800; color: var(--txt3); }
.selo {
  position: absolute; top: 10px; left: 10px; background: var(--azul); color: #04121c; font-weight: 800; font-size: .74rem;
  padding: 3px 8px; border-radius: 8px;
}
.item-info { padding: 12px 13px 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.item-cat { font-size: .72rem; color: var(--azul); font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.item-titulo { font-size: .95rem; font-weight: 600; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.item-preco { margin-top: auto; display: flex; flex-direction: column; }
.item-preco .preco { font-size: 1.2rem; }

.estado { text-align: center; color: var(--txt2); padding: 54px 12px; }
.esqueleto { aspect-ratio: .78; border-radius: var(--r); background: linear-gradient(100deg, var(--card) 30%, var(--card2) 50%, var(--card) 70%); background-size: 200% 100%; animation: brilho 1.3s linear infinite; }
@keyframes brilho { to { background-position: -200% 0; } }

/* modal de produto */
#modal { width: min(920px, calc(100vw - 24px)); max-height: calc(100dvh - 24px); overflow: auto; }
.mod { display: grid; gap: 0; }
@media (min-width: 760px) { .mod { grid-template-columns: 1.05fr 1fr; } }
.mod-galeria { padding: 14px; background: var(--bg2); }
.mod-principal { aspect-ratio: 1; border-radius: 12px; overflow: hidden; background: var(--bg); }
.mod-principal img { width: 100%; height: 100%; object-fit: contain; }
.mod-thumbs { display: flex; gap: 8px; margin-top: 10px; overflow-x: auto; }
.mod-thumbs button { flex: 0 0 62px; height: 62px; padding: 0; border-radius: 9px; overflow: hidden; cursor: pointer; background: var(--bg); border: 2px solid transparent; }
.mod-thumbs button[aria-current="true"] { border-color: var(--azul); }
.mod-thumbs img { width: 100%; height: 100%; object-fit: cover; }
.mod-corpo { padding: 20px 20px 22px; display: flex; flex-direction: column; gap: 12px; position: relative; }
.mod-fechar { position: absolute; top: 10px; right: 10px; width: 40px; height: 40px; border-radius: 50%; padding: 0; min-height: 0; font-size: 1.3rem; }
.mod-corpo h2 { font-size: 1.35rem; padding-right: 44px; }
.mod-preco .preco { font-size: 1.9rem; }
.mod-desc { color: var(--txt2); white-space: pre-line; overflow-wrap: anywhere; max-height: 30vh; overflow: auto; }
/* Botões de compra sempre à vista, mesmo com a descrição rolando (importante no celular) */
.mod-acoes { display: grid; gap: 10px; margin-top: auto; position: sticky; bottom: 0; padding: 14px 0 4px; background: linear-gradient(to bottom, transparent, var(--card) 28%); }
@media (max-width: 759px) { .mod-principal { aspect-ratio: 4 / 3; } }
.rodape { text-align: center; color: var(--txt3); font-size: .82rem; padding: 0 16px 40px; }