/* ============================================================
   BRUNTIANO — Carrinho (ícone no header + drawer lateral)
   Client-side (localStorage). Finaliza pelo WhatsApp.
   ============================================================ */

/* ── Botão do carrinho no header ─────────────────────────── */

.bt-cart-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--text-navy);
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-soft),
              background var(--duration-fast) var(--ease-soft);
}
.bt-cart-toggle:hover,
.bt-cart-toggle:focus-visible {
  color: var(--gold-dark);
  background: var(--gold-glow);
}
.bt-cart-toggle svg {
  width: 20px;
  height: 20px;
}

/* Contador (badge) */
.bt-cart-toggle__count {
  position: absolute;
  top: -2px;
  right: -2px;
  min-width: 17px;
  height: 17px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--gold);
  color: var(--text-navy);
  font-family: var(--font-body);
  font-size: 0.62rem;
  font-weight: 700;
  line-height: 17px;
  text-align: center;
  box-shadow: 0 1px 4px rgba(26, 39, 68, 0.25);
}

/* Pulso ao adicionar peça */
.bt-cart-toggle.is-bumped { animation: bt-cart-bump 0.45s var(--ease-soft); }
@keyframes bt-cart-bump {
  0%   { transform: scale(1); }
  35%  { transform: scale(1.22); }
  100% { transform: scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .bt-cart-toggle.is-bumped { animation: none; }
}

/* ── Backdrop ────────────────────────────────────────────── */

.bt-cart-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(26, 39, 68, 0.35);
  z-index: 9400;                  /* acima do WhatsApp FAB (z-fab 9000) */
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-mid) var(--ease-soft),
              visibility var(--duration-mid) var(--ease-soft);
}
.bt-cart-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

/* ── Drawer (slide da direita) ───────────────────────────── */

.bt-cart {
  position: fixed;
  top: 0;
  right: 0;
  width: 400px;
  max-width: 90vw;
  height: 100vh;
  height: 100dvh;
  z-index: 9500;                  /* acima do backdrop e do FAB */
  display: flex;
  flex-direction: column;
  background-color: var(--bg-cream);
  background-image: var(--bt-paper-texture);
  background-repeat: repeat;
  background-size: 240px 240px;
  box-shadow: -12px 0 36px rgba(26, 39, 68, 0.14);
  transform: translateX(100%);
  visibility: hidden;
  transition: transform var(--duration-mid) var(--ease-soft),
              visibility var(--duration-mid) var(--ease-soft);
}
.bt-cart.is-open {
  transform: translateX(0);
  visibility: visible;
}

/* Cabeçalho do drawer */
.bt-cart__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.3rem 1.6rem;
  border-bottom: 1px solid var(--border-light);
  flex: 0 0 auto;
}
.bt-cart__title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-navy);
}
.bt-cart__close {
  width: 36px;
  height: 36px;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  color: var(--text-navy);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background var(--duration-fast) var(--ease-soft),
              color var(--duration-fast) var(--ease-soft);
}
.bt-cart__close:hover {
  background: var(--gold-glow);
  color: var(--gold-dark);
}
.bt-cart__close svg { width: 20px; height: 20px; }

/* Corpo (lista rolável) */
.bt-cart__body {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 0.6rem 1.6rem;
}

/* O atributo hidden precisa vencer os display:flex abaixo (senão o estado
   "vazio" fica sempre visível junto dos itens). */
.bt-cart__empty[hidden],
.bt-cart__footer[hidden],
.bt-cart__body[hidden] { display: none !important; }

/* Estado vazio */
.bt-cart__empty {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 2rem 1.6rem;
  text-align: center;
}
.bt-cart__empty p {
  margin: 0;
  color: var(--text-warm);
  font-size: 0.9rem;
}
.bt-cart__empty .bt-script {
  font-family: var(--font-script);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--text-warm-light);
  max-width: 24ch;
}

/* ── Item do carrinho ────────────────────────────────────── */

.bt-cart-item {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 0.9rem;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-light);
}
.bt-cart-item__media {
  display: block;
  width: 64px;
  height: 80px;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--bg-linen);
}
.bt-cart-item__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.bt-cart-item__info {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.bt-cart-item__title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text-navy);
  text-decoration: none;
  line-height: 1.2;
}
.bt-cart-item__title:hover { color: var(--gold-dark); }
.bt-cart-item__price {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-warm);
}

/* Link "Comprar pelo link" (checkout externo da peça) */
.bt-cart-item__buy {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  width: fit-content;
  font-family: var(--font-body);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-dark);
  text-decoration: none;
  padding: 0.15rem 0;
  border-bottom: 1px solid var(--border-soft);
  transition: color var(--duration-fast) var(--ease-soft),
              border-color var(--duration-fast) var(--ease-soft);
}
.bt-cart-item__buy:hover {
  color: var(--text-navy);
  border-color: var(--gold);
}
.bt-cart-item__buy svg { width: 12px; height: 12px; }

/* Stepper de quantidade */
.bt-cart-item__qty {
  display: inline-flex;
  align-items: center;
  gap: 0;
  margin-top: 0.15rem;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  width: fit-content;
  overflow: hidden;
}
.bt-cart-item__qty button {
  width: 26px;
  height: 26px;
  border: 0;
  background: transparent;
  color: var(--text-navy);
  font-size: 0.95rem;
  line-height: 1;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-soft);
}
.bt-cart-item__qty button:hover { background: var(--gold-glow); }
.bt-cart-item__qty [data-bt-qty] {
  min-width: 26px;
  text-align: center;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-navy);
}

.bt-cart-item__remove {
  align-self: flex-start;
  width: 28px;
  height: 28px;
  border: 0;
  background: transparent;
  color: var(--text-warm-light);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: color var(--duration-fast) var(--ease-soft),
              background var(--duration-fast) var(--ease-soft);
}
.bt-cart-item__remove:hover {
  color: #b94a48;
  background: rgba(185, 74, 72, 0.08);
}
.bt-cart-item__remove svg { width: 15px; height: 15px; }

/* ── Rodapé (total + checkout) ───────────────────────────── */

.bt-cart__footer {
  flex: 0 0 auto;
  padding: 1.2rem 1.6rem calc(1.2rem + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--border-light);
  background: rgba(255, 255, 255, 0.35);
}
.bt-cart__total {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.9rem;
}
.bt-cart__total span {
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-warm-light);
}
.bt-cart__total strong {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-navy);
}
.bt-cart__checkout {
  width: 100%;
}
.bt-cart__checkout svg { width: 18px; height: 18px; }
.bt-cart__note {
  margin: 0.7rem 0 0;
  text-align: center;
  font-size: 0.7rem;
  color: var(--text-warm-light);
  line-height: 1.4;
}
.bt-cart__clear {
  display: block;
  margin: 0.8rem auto 0;
  background: transparent;
  border: 0;
  padding: 0.2rem 0.4rem;
  font-family: var(--font-body);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-warm-light);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: var(--border-soft);
  transition: color var(--duration-fast) var(--ease-soft);
}
.bt-cart__clear:hover { color: var(--text-warm); }

/* ── Toast (confirmação ao adicionar) ────────────────────── */

.bt-cart-toast {
  position: fixed;
  left: 50%;
  bottom: 2rem;
  transform: translateX(-50%) translateY(20px);
  z-index: 9600;
  max-width: 90vw;
  padding: 0.85rem 1.4rem;
  background: var(--text-navy);
  color: var(--bg-cream);
  font-family: var(--font-body);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(26, 39, 68, 0.3);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--duration-fast) var(--ease-soft),
              transform var(--duration-fast) var(--ease-soft),
              visibility var(--duration-fast) var(--ease-soft);
}
.bt-cart-toast.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ── Botão "Adicionar ao carrinho" no card (herda .bt-btn) ─ */
.bt-product-card__buy[data-bt-add-cart] { cursor: pointer; }

/* ── Responsivo ──────────────────────────────────────────── */
@media (max-width: 600px) {
  .bt-cart { width: 100%; max-width: 100vw; }
  .bt-cart-toast { bottom: 5.2rem; }   /* acima do FAB do WhatsApp no mobile */
}