/* =========================
   HEADER — Mobile First
========================= */

/* --- Barra do header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: #ffffff; /* valor direto — evita herança de cor do sistema em dark mode */
  background-color: var(--color-white);
  box-shadow: 0 2px 8px var(--shadow-dark-md);
  z-index: var(--z-nav);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* --- Botão toggle (hamburguer / X) --- */
.header__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--primary-dark);
  border-radius: var(--radius-sm);
  transition:
    color var(--transition-fast) ease,
    background-color var(--transition-fast) ease;
}

.header__toggle:hover {
  color: var(--primary-deeper);
  background-color: var(--color-instagram-btn-hover);
}

.header__toggle:focus-visible {
  outline: 2px solid var(--primary-dark);
  outline-offset: 2px;
}

.header__toggle img {
  width: 26px;
  height: 26px;
  display: block;
  /* Converte o preto padrão do SVG para --primary-dark (#c2185b) */
  filter: invert(15%) sepia(90%) saturate(2500%) hue-rotate(315deg)
    brightness(80%) contrast(95%);
  transition: filter var(--transition-fast) ease;
}

.header__toggle:hover img {
  filter: invert(12%) sepia(90%) saturate(2800%) hue-rotate(315deg)
    brightness(70%) contrast(100%);
}

/* Ícone X escondido por padrão —
   especificidade maior que .header__toggle img para não ser sobrescrito */
.header__toggle .icon-close {
  display: none;
}

/* Quando o menu está aberto: troca os ícones */
.header--open .icon-menu {
  display: none;
}

.header--open .icon-close {
  display: block;
}

/* --- Nav mobile (oculto por padrão) --- */
.header__nav {
  position: absolute;
  top: var(--header-height);
  left: 0;
  width: 100%;
  background-color: var(--color-white);
  box-shadow: 0 6px 16px var(--shadow-dark-md);

  /* Animação de entrada */
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition:
    opacity var(--transition-normal) ease,
    transform var(--transition-normal) ease;
}

/* Nav visível */
.header--open .header__nav {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* --- Lista de links --- */
.header__nav-list {
  display: flex;
  flex-direction: column;
  padding: var(--space-5) 0;
}

.header__nav-link {
  display: block;
  padding: var(--space-5) var(--space-9);
  font-family: var(--font-main);
  font-size: var(--fs-base);
  font-weight: 600;
  color: var(--text-dark);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition:
    color var(--transition-fast) ease,
    background-color var(--transition-fast) ease,
    border-color var(--transition-fast) ease;
}

.header__nav-link:hover,
.header__nav-link:focus-visible {
  color: var(--primary-dark);
  background-color: var(--color-instagram-btn-hover);
  border-left-color: var(--primary-dark);
  outline: none;
}

.header__search-item {
  padding: var(--space-3) var(--space-9);
}

.header__search {
  position: relative;
  width: 100%;
}

.header__search::before {
  content: "";
  position: absolute;
  top: 50%;
  left: var(--space-5);
  width: 18px;
  height: 18px;
  background: url("../../assets/icons/search.svg") center / contain no-repeat;
  filter: invert(15%) sepia(90%) saturate(2500%) hue-rotate(315deg)
    brightness(80%) contrast(95%);
  pointer-events: none;
  transform: translateY(-50%);
}

.header__search-input {
  width: 100%;
  min-height: 42px;
  padding: var(--space-3) var(--space-5) var(--space-3) 44px;
  border: 1px solid var(--shadow-dark-md);
  border-radius: var(--radius-xl);
  color: var(--text-dark);
  font: 600 var(--fs-sm) / 1.3 var(--font-main);
  background-color: var(--color-white);
}

.header__search-input::placeholder {
  color: var(--text-light);
  font-weight: 400;
}

.header__search-input:focus {
  border-color: var(--primary-dark);
  outline: 2px solid rgba(194, 24, 91, 0.2);
  outline-offset: 1px;
}

/* Offset para o conteúdo não ficar atrás do header fixo */
body {
  padding-top: var(--header-height);
}

/* =========================
   DESKTOP (≥ 768px)
========================= */
@media (min-width: 768px) {
  /* Toggle some quando < 768px */
  .header__toggle {
    display: none;
  }

  /* Nav sempre visível */
  .header__nav {
    position: static;
    width: auto;
    box-shadow: none;
    opacity: 1;
    transform: none;
    pointer-events: auto;
    transition: none;
  }

  .header__nav-list {
    flex-direction: row;
    align-items: center;
    padding: 0;
    gap: var(--space-1);
  }

  .header--catalog .header__nav {
    flex: 1;
    margin-left: var(--space-8);
  }

  .header--catalog .header__nav-list {
    justify-content: space-evenly;
    width: 100%;
  }

  .header__search-item {
    flex: 0 1 320px;
    padding: 0 var(--space-3);
  }

  .header__nav-link {
    position: relative;
    padding: var(--space-3) var(--space-5);
    font-size: var(--fs-sm);
    border-left: none;
    border-bottom: none;
  }

  /* Linha animada via pseudo-elemento */
  .header__nav-link::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-dark);
    transform: scaleX(0);
    transform-origin: right; /* some da direita para a esquerda ao sair */
    transition: transform var(--transition-normal) ease;
  }

  .header__nav-link:hover::after,
  .header__nav-link:focus-visible::after {
    transform: scaleX(1);
    transform-origin: left; /* aparece da esquerda para a direita ao entrar */
  }

  .header__nav-link:hover,
  .header__nav-link:focus-visible {
    background-color: transparent;
    border-left-color: transparent;
  }
}