:root {
  --bg: #0b0b0c;
  --panel: #17171a;
  --panel-2: #1f2023;
  --ink: #f2f0ec;
  --ink-dim: #9a988f;
  --accent: #c9a24b;
  --accent-soft: rgba(201,162,75,0.14);
  --accent-ink: #17171a;
  --line: #2a2b2f;
  --line-soft: rgba(255,255,255,0.06);
  --radius: 20px;
  --radius-sm: 12px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }

button, input, .thumb, .color-chip, .hotspot-btn {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  height: 100%;
  margin: 0;
  color-scheme: dark;
  background: var(--bg);
  color: var(--ink);
  font-family: "Helvetica Neue", Arial, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  display: flex;
  flex-direction: column;
}

/* ---------- topbar ---------- */
.topbar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line-soft);
  flex: 0 0 auto;
}
.brand-name {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.brand-collection {
  margin-left: 10px;
  font-size: 12px;
  color: var(--ink-dim);
}
.page-counter {
  font-size: 12px;
  color: var(--ink-dim);
  font-variant-numeric: tabular-nums;
}

/* ---------- viewer ---------- */
.viewer {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #050505;
}
.page-stage {
  position: relative;
  height: 100%;
  max-width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-image {
  height: 100%;
  max-width: 100%;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
  background: #050505;
}
.nav-edge {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 15%;
  min-width: 44px;
  background: transparent;
  border: none;
  color: rgba(242,240,236,0.0);
  font-size: 34px;
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
  z-index: 5;
}
.nav-edge:hover { color: rgba(242,240,236,0.6); background: rgba(255,255,255,0.03); }
.nav-prev { left: 0; }
.nav-next { right: 0; }

.hotspot-row {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 20px;
  z-index: 6;
}
/* cada coluna e ancorada por JS na borda EXTERNA da foto (ajustarInsetHotspots) */
.hotspot-col {
  position: absolute;
  bottom: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.hotspot-col-esquerda { align-items: flex-end; }
.hotspot-col-direita { align-items: flex-start; }
.hotspot-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 9px 0 7px;
  border-radius: var(--radius-sm);
  border: none;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(201,162,75,0.22), 0 2px 6px rgba(0,0,0,0.35);
  transition: transform 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.hotspot-btn:hover { box-shadow: 0 10px 28px rgba(201,162,75,0.3), 0 2px 6px rgba(0,0,0,0.35); }
.hotspot-btn:active { transform: scale(0.96); }
.hotspot-plus {
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: stretch;
  font-size: 26px;
  font-weight: 400;
  line-height: 1;
}
.hotspot-text { display: flex; flex-direction: column; gap: 0; text-align: left; padding: 5px 0; }
.hotspot-nome { font-size: 12px; font-weight: 700; line-height: 1.15; }
.hotspot-ref { font-size: 9px; font-weight: 400; opacity: 0.6; letter-spacing: 0.02em; line-height: 1.1; }
.hotspot-btn.in-cart { position: relative; padding-right: 20px; }
.hotspot-btn.in-cart::after {
  content: "";
  position: absolute;
  top: 6px;
  right: 7px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #1f9d55;
  box-shadow: 0 0 0 2px var(--accent);
}
.hidden { display: none !important; }

/* ---------- thumb rail ---------- */
.thumbrail {
  flex: 0 0 auto;
  display: flex;
  gap: 6px;
  padding: 8px 14px;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
}
.thumbrail::-webkit-scrollbar { display: none; }
.thumb {
  flex: 0 0 auto;
  width: 30px;
  height: 40px;
  border-radius: 3px;
  overflow: hidden;
  border: 1.5px solid transparent;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.15s, border-color 0.15s;
}
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb.active { opacity: 1; border-color: var(--accent); }
.thumb.has-hotspot::after {
  content: "";
  display: block;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  position: relative;
  top: -8px; left: 24px;
}

/* ---------- totalbar ---------- */
.totalbar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px calc(12px + var(--safe-bottom));
  background: var(--panel);
  border-top: 1px solid var(--line);
}
.totalbar-info { font-size: 13px; color: var(--ink-dim); }
.totalbar-total { flex: 1; font-size: 13px; color: var(--ink-dim); }
.totalbar-total strong { color: var(--ink); font-size: 15px; margin-left: 6px; }
.btn-cart {
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s var(--ease), color 0.15s var(--ease), transform 0.1s var(--ease);
}
.btn-cart:hover { background: var(--accent); color: var(--accent-ink); }
.btn-cart:active { transform: scale(0.96); }

/* ---------- sheets ---------- */
.sheet-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 50;
}
.sheet {
  position: relative;
  width: 100%;
  max-width: 480px;
  max-height: 82vh;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.01)),
    rgba(23, 23, 26, 0.6);
  backdrop-filter: blur(24px) saturate(170%);
  -webkit-backdrop-filter: blur(24px) saturate(170%);
  border: 1px solid rgba(255, 255, 255, 0.09);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 -20px 60px rgba(0,0,0,0.45);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 10px 20px calc(20px + var(--safe-bottom));
  overflow-y: auto;
  overscroll-behavior: contain;
  animation: sheet-up 0.28s var(--ease);
}
.sheet-tall { max-height: 88vh; max-width: 640px; }
@keyframes sheet-up {
  from { transform: translateY(28px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.sheet-handle {
  width: 36px; height: 4px;
  border-radius: 2px;
  background: var(--line);
  margin: 6px auto 10px;
}
/* botão que FECHA a janela inteira — canto oposto e visual de "chip" pra não
   ser confundido com os × que apagam item/cor/tamanho dentro da lista */
.sheet-close {
  position: absolute;
  top: 10px; right: 14px;
  width: 30px; height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line-soft);
  border-radius: 50%;
  color: var(--ink-dim);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s var(--ease), color 0.15s var(--ease), transform 0.1s var(--ease);
}
.sheet-close:hover { background: rgba(255,255,255,0.12); color: var(--ink); }
.sheet-close:active { transform: scale(0.9); }
.sheet-header { margin-bottom: 18px; padding-right: 42px; }
#cart-sheet > .sheet-title { padding-right: 42px; }
.sheet-ref { font-size: 11px; color: var(--ink-dim); letter-spacing: 0.05em; }
.sheet-title { font-size: 19px; margin: 2px 0 2px; font-weight: 700; }
.sheet-group { font-size: 12px; color: var(--ink-dim); }
.sheet-ja-pedido {
  margin: -4px 0 14px;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  border: 1px solid rgba(201,162,75,0.25);
  font-size: 10.5px;
  color: var(--ink-dim);
  line-height: 1.4;
}
.sheet-ja-pedido strong { color: var(--accent); }
.sheet-section { margin-bottom: 18px; }
.sheet-label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
  margin-bottom: 8px;
}

.color-list { display: flex; flex-wrap: wrap; gap: 8px; }
.color-chip {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-soft);
  background: var(--panel-2);
  color: var(--ink);
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: border-color 0.15s var(--ease), background 0.15s var(--ease), color 0.15s var(--ease);
}
.color-chip:hover { border-color: rgba(255,255,255,0.2); }
.color-chip.active { border-color: var(--accent); color: var(--accent); }
.color-chip.has-qty::after {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.color-swatch { width: 12px; height: 12px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.2); }

.size-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(78px, 1fr));
  gap: 8px;
}
.size-cell {
  border: 1px solid var(--line-soft);
  background: var(--panel-2);
  border-radius: var(--radius-sm);
  padding: 9px 8px;
  text-align: center;
  transition: border-color 0.15s var(--ease), background 0.15s var(--ease);
}
.size-cell.has-qty { border-color: var(--accent); }
.size-label { font-size: 11px; color: var(--ink-dim); margin-bottom: 7px; letter-spacing: 0.02em; }
.size-cell.has-qty .size-label { color: var(--ink); }
.size-qty {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.qty-btn {
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 1px solid var(--line-soft);
  background: rgba(255,255,255,0.03);
  color: var(--ink);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 0;
  transition: background 0.15s var(--ease), border-color 0.15s var(--ease), transform 0.1s var(--ease);
}
.qty-btn:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.2); }
.qty-btn:active { transform: scale(0.88); }
.qty-value {
  width: 32px;
  min-width: 18px;
  text-align: center;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  border: none;
  background: transparent;
  color: var(--ink);
  font-family: inherit;
  -moz-appearance: textfield;
}
.qty-value::-webkit-outer-spin-button,
.qty-value::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.sheet-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: sticky;
  bottom: var(--safe-bottom);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.01)),
    rgba(50, 50, 55, 0.6);
  backdrop-filter: blur(24px) saturate(170%);
  -webkit-backdrop-filter: blur(24px) saturate(170%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
  border-radius: var(--radius);
  margin-top: 12px;
  padding: 8px 8px 8px 20px;
}
.sheet-price { font-size: 16px; font-weight: 700; }
.loja-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-soft);
  background: var(--panel-2);
  color: var(--ink);
  font-size: 15px;
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
.loja-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
#loja-sheet .sheet-footer { justify-content: center; }
#loja-sheet .btn-add { width: 100%; }

.btn-add {
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  border: none;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.1s var(--ease), box-shadow 0.15s var(--ease);
  box-shadow: 0 4px 16px rgba(201,162,75,0.25);
}
.btn-add:hover { box-shadow: 0 6px 20px rgba(201,162,75,0.34); }
.btn-add:active { transform: scale(0.96); }
.btn-add:disabled { opacity: 0.4; cursor: not-allowed; box-shadow: none; }

.cart-actions { display: flex; gap: 10px; }
.btn-secondary {
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  transition: border-color 0.15s var(--ease), color 0.15s var(--ease), transform 0.1s var(--ease);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-secondary:active { transform: scale(0.96); }

/* ---------- cart ---------- */
.cart-list { display: flex; flex-direction: column; margin: 8px 0; }
.cart-empty { color: var(--ink-dim); font-size: 13px; padding: 32px 0; text-align: center; }

.cart-group {
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}
.cart-group:first-child { padding-top: 4px; }
.cart-group-header {
  display: flex;
  align-items: center;
  gap: 10px;
}
.cart-group-title-wrap { flex: 1; min-width: 0; }
.cart-group-title { font-size: 13px; font-weight: 700; }
.cart-group-ref { font-size: 10.5px; color: var(--ink-dim); margin-top: 2px; letter-spacing: 0.04em; }
.cart-group-qty { font-size: 12px; color: var(--ink-dim); white-space: nowrap; }
.cart-group-subtotal { font-size: 13px; font-weight: 700; white-space: nowrap; }

.cart-toggle {
  background: none; border: none; color: var(--ink-dim);
  font-size: 13px; cursor: pointer; padding: 2px 4px;
  transform: rotate(0deg); transition: transform .2s var(--ease); flex-shrink: 0;
}
.cart-toggle.collapsed { transform: rotate(-90deg); }

.cart-cores {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--line-soft);
}
.cart-cores.hidden { display: none; }

.cart-cor-group {
  padding-left: 4px;
}
.cart-cor-header {
  display: flex;
  align-items: center;
  gap: 8px;
}
.cart-cor-title { flex: 1; min-width: 0; font-size: 12.5px; font-weight: 600; color: var(--ink-dim); }
.cart-cor-qty { font-size: 11px; color: var(--ink-dim); white-space: nowrap; }
.cart-cor-subtotal { font-size: 12px; font-weight: 600; white-space: nowrap; }

.cart-subitems {
  display: flex;
  flex-direction: column;
  margin-top: 6px;
  padding-top: 6px;
  padding-left: 22px;
  border-top: 1px solid var(--line-soft);
}
.cart-subitems.hidden { display: none; }
.cart-subitem {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 0;
  border-top: 1px solid var(--line-soft);
}
.cart-subitem:first-child { border-top: none; }
.cart-subitem-meta { flex: 1; min-width: 0; font-size: 12px; color: var(--ink-dim); }
.cart-subitem-tam { color: var(--ink); font-weight: 600; }
.cart-subitem-unit { font-size: 11px; }
.cart-subitem-price { font-size: 12px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.cart-item-remove {
  background: none; border: none; color: var(--ink-dim);
  font-size: 18px; cursor: pointer; padding: 0 4px; flex-shrink: 0;
  transition: color 0.15s var(--ease);
}
.cart-item-remove:hover { color: var(--accent); }
.cart-footer { position: sticky; bottom: 0; }

@media (min-width: 720px) {
  .sheet-backdrop { align-items: center; }
  .sheet { border-radius: var(--radius); max-height: 84vh; }
}

/* ---------- barra de capitulos (catalogos com indice por categoria) ---------- */
.chapterbar {
  flex: 0 0 auto;
  display: flex;
  gap: 6px;
  padding: 8px 14px 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.chapterbar::-webkit-scrollbar { display: none; }
.chapterbar.hidden { display: none; }
.chapter-chip {
  flex: 0 0 auto;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-dim);
  font-size: 12px;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.chapter-chip:hover { color: var(--ink); }
.chapter-chip.active {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* ---------- grade fechada (Nike): compra por grade, nao por tamanho ---------- */
.grade-fechada {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
/* um bloco por grade — o mesmo item costuma vir em 2-3 faixas etarias, cada uma
   com tamanhos, quantidades e preco proprios */
.grade-opcao {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.02);
}
.grade-opcao.has-qty { border-color: var(--accent); }
.grade-faixa {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.grade-opcao.has-qty .grade-faixa { color: var(--accent); }
.grade-fechada .size-cell { max-width: 160px; }
.grade-detalhe {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.grade-item {
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  background: var(--panel-2);
  font-size: 12px;
  color: var(--ink-dim);
}
.grade-item strong { color: var(--ink); }
.grade-nota { font-size: 11px; color: var(--ink-dim); }

/* ---------- home: seletor de marca ---------- */
body.home { display: block; padding: 0; }
.home-wrap { max-width: 520px; margin: 0 auto; padding: 56px 20px; }
.home-title { font-size: 26px; margin: 0 0 6px; letter-spacing: -0.01em; }
.home-sub { margin: 0 0 28px; color: var(--ink-dim); font-size: 14px; }
.home-list { display: flex; flex-direction: column; gap: 10px; }
.home-card {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.15s, background 0.15s;
}
.home-card:hover { border-color: var(--accent); background: var(--accent-soft); }
.home-marca { font-size: 16px; }
.home-colecao { font-size: 12px; color: var(--ink-dim); }

/* cor desconhecida: hachura em vez de inventar um tom que a peca nao tem */
.color-swatch.sem-cor {
  background-image: linear-gradient(135deg, transparent 45%, var(--ink-dim) 45%, var(--ink-dim) 55%, transparent 55%);
}