/* ============================================================
   Sílica Shop — layout.css
   Estrutura da SPA, vistas, painéis, sidebar do carrinho
   ============================================================ */


/* ------------------------------------------------------------
   1. Raiz da SPA
   ------------------------------------------------------------ */

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

#app-main {
  flex: 1;
  padding-top: var(--space-2);
}

/* Cada "vista" (catálogo, produto, carrinho, checkout, confirmação)
   é um div com data-view="nome". Apenas uma é visível de cada vez. */
[data-view] {
  display: none;
  animation: fadeIn 260ms ease both;
}

[data-view].active {
  display: block;
}


/* ------------------------------------------------------------
   2. Vista: Catálogo
   ------------------------------------------------------------ */

.catalog-view {
  padding-block: var(--space-12) var(--space-20);
}

.catalog-hero {
  text-align: center;
  padding-block: var(--space-16);
  background: var(--bg-hero-gradient);
}

.catalog-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: rgba(125,0,0,0.12);
  border: 1px solid rgba(125,0,0,0.25);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--silica-red-light);
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}

.catalog-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.catalog-hero__title em {
  font-style: normal;
  color: var(--silica-red-light);
}

.catalog-hero__subtitle {
  font-size: var(--text-md);
  color: var(--text-secondary);
  max-width: 520px;
  margin-inline: auto;
  line-height: 1.65;
}

/* Grid de produtos */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-5);
  padding-block: var(--space-10);
}

/* Filtro de categoria */
.catalog-filters {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: var(--space-8);
}

.catalog-filter-btn {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border-default);
  background: transparent;
  color: var(--text-muted);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.catalog-filter-btn:hover {
  color: var(--text-secondary);
  border-color: var(--border-strong);
}

.catalog-filter-btn.active {
  background: var(--silica-red);
  border-color: var(--silica-red);
  color: #fff;
}


/* ------------------------------------------------------------
   3. Vista: Detalhe do Produto
   ------------------------------------------------------------ */

.product-view {
  padding-block: var(--space-8) var(--space-20);
}

.product-view__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--space-2) 0;
  background: none;
  border: none;
  transition: color var(--transition-fast);
  margin-bottom: var(--space-6);
}

.product-view__back:hover {
  color: var(--text-primary);
}

.product-view__back svg {
  width: 16px;
  height: 16px;
}

/* Cabeçalho do produto */
.product-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: var(--space-10);
}

.product-header__logo {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-xl);
  background: var(--bg-overlay);
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.product-header__logo img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.product-header__info {
  flex: 1;
}

.product-header__name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.product-header__tagline {
  font-size: var(--text-md);
  color: var(--text-secondary);
  margin-top: var(--space-2);
  line-height: 1.5;
}

.product-header__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

/* Secção de planos */
.plans-section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-5);
  margin-bottom: var(--space-12);
}

/* Features / tabela de comparação */
.feature-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.feature-table th,
.feature-table td {
  padding: var(--space-3) var(--space-4);
  text-align: center;
  border-bottom: 1px solid var(--border-subtle);
}

.feature-table th:first-child,
.feature-table td:first-child {
  text-align: left;
  color: var(--text-secondary);
  width: 40%;
}

.feature-table th {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding-block: var(--space-4);
  background: var(--bg-surface);
}

.feature-table tr:hover td {
  background: var(--bg-surface);
}

.feature-table .check-yes { color: var(--color-success); }
.feature-table .check-no  { color: var(--text-muted); opacity: 0.4; }


/* ------------------------------------------------------------
   4. Vista: Carrinho
   ------------------------------------------------------------ */

.cart-view {
  padding-block: var(--space-8) var(--space-20);
}

.cart-view__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.cart-view__count {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-8);
}

.cart-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: var(--space-8);
  align-items: start;
}

.cart-items-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* Carrinho vazio */
.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 40vh;
  gap: var(--space-4);
  text-align: center;
}

.cart-empty__icon {
  width: 64px;
  height: 64px;
  color: var(--text-muted);
  opacity: 0.4;
}

.cart-empty__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-secondary);
}

.cart-empty__desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  max-width: 320px;
}


/* ------------------------------------------------------------
   5. Vista: Checkout
   ------------------------------------------------------------ */

.checkout-view {
  padding-block: var(--space-8) var(--space-20);
}

.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-10);
  align-items: start;
}

.checkout-form-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

/* Secção de etapa no checkout */
.checkout-section {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  transition: border-color var(--transition-fast);
}

.checkout-section.disabled {
  opacity: 0.5;
  pointer-events: none;
}

.checkout-section__title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
}

.checkout-section__number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--silica-red);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Painel Multicaixa Express */
.multicaixa-panel {
  background: var(--bg-overlay);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.multicaixa-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.multicaixa-logo img {
  height: 24px;
  width: auto;
}

.multicaixa-logo__name {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--text-primary);
}

/* Estado de aguardar pagamento */
.payment-awaiting {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-8);
  text-align: center;
}

.payment-awaiting__timer {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.05em;
}

.payment-awaiting__status {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* Referência de pagamento */
.payment-ref-box {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  background: var(--bg-surface);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
}

.payment-ref-box__label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.payment-ref-box__value {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.1em;
}

.payment-ref-box__copy {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--silica-red-light);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  width: fit-content;
  transition: color var(--transition-fast);
}

.payment-ref-box__copy:hover {
  color: var(--text-primary);
}


/* ------------------------------------------------------------
   6. Vista: Confirmação
   ------------------------------------------------------------ */

.confirmation-view {
  padding-block: var(--space-8) var(--space-20);
}

.confirmation-card {
  max-width: 560px;
  margin-inline: auto;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.confirmation-card__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
}

.confirmation-card__desc {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 400px;
}

.confirmation-card__details {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  text-align: left;
}

.confirmation-card__detail-row {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-sm);
}

.confirmation-card__detail-row span:first-child {
  color: var(--text-muted);
}

.confirmation-card__detail-row span:last-child {
  color: var(--text-primary);
  font-weight: 500;
}

.confirmation-card__actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
}


/* ------------------------------------------------------------
   7. Responsive
   ------------------------------------------------------------ */

@media (max-width: 1024px) {
  .cart-layout {
    grid-template-columns: 1fr 300px;
  }

  .checkout-layout {
    grid-template-columns: 1fr 320px;
  }
}

@media (max-width: 768px) {
  .cart-layout,
  .checkout-layout {
    grid-template-columns: 1fr;
  }

  .product-header {
    flex-direction: column;
    gap: var(--space-4);
  }

  .plans-grid {
    grid-template-columns: 1fr;
  }

  .plans-section__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .confirmation-card {
    padding: var(--space-6);
  }
}

@media (max-width: 480px) {
  .catalog-grid {
    grid-template-columns: 1fr;
  }

  .product-header__name {
    font-size: var(--text-xl);
  }

  .confirmation-card__actions {
    flex-direction: column;
  }

  .confirmation-card__actions .btn {
    width: 100%;
  }
}