/* ==========================================================
   Cabeçalho no celular: menu sanduíche + carrinho flutuante.
   Carregue DEPOIS do style.css / fluxo.css. Funciona junto
   com o menu-mobile.js.
   ========================================================== */

/* Botão do carrinho vira link/botão com ícone (o ícone só aparece no celular) */
a.btn-carrinho { display: inline-block; text-decoration: none; }

.btn-carrinho-texto { margin-right: .4em; }
.btn-carrinho-icone { display: none; }

.menu-toggle { display: none; }

@media (max-width: 768px) {

  /* ---------- cabeçalho enxuto ---------- */

  header {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: .55rem 1rem;
  }

  header .logo h1 { font-size: 1.45rem; line-height: 1.1; }
  header .logo span { font-size: .75rem; }
  header .logoimg { height: 42px; width: 42px; margin-right: .6rem; }

  /* ---------- botão sanduíche ---------- */

  .menu-toggle {
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    width: 46px;
    height: 46px;
    padding: 0;
    border: 1px solid #B76E79;
    border-radius: 10px;
    background: #fff;
    cursor: pointer;
  }

  .menu-toggle:focus-visible,
  header .btn-carrinho:focus-visible,
  header nav a:focus-visible {
    outline: 3px solid #B76E79;
    outline-offset: 2px;
  }

  .menu-toggle-barras,
  .menu-toggle-barras::before,
  .menu-toggle-barras::after {
    display: block;
    width: 22px;
    height: 2.5px;
    border-radius: 2px;
    background: #8A4A54;
    transition: transform .25s, background .25s, opacity .2s;
  }

  .menu-toggle-barras { position: relative; }

  .menu-toggle-barras::before,
  .menu-toggle-barras::after {
    content: "";
    position: absolute;
    left: 0;
  }

  .menu-toggle-barras::before { top: -7px; }
  .menu-toggle-barras::after { top: 7px; }

  .menu-aberto .menu-toggle-barras { background: transparent; }
  .menu-aberto .menu-toggle-barras::before { transform: translateY(7px) rotate(45deg); }
  .menu-aberto .menu-toggle-barras::after { transform: translateY(-7px) rotate(-45deg); }

  /* ---------- menu em painel ---------- */

  header nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 0;
    padding: 6px 0 10px;
    background: #fefefe;
    border-bottom: 1px solid #B76E79;
    box-shadow: 0 14px 22px rgba(0, 0, 0, .12);
    font-size: 1.1rem;

    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity .2s, transform .2s, visibility 0s .2s;
  }

  .menu-aberto header nav,
  header.menu-aberto nav {
    visibility: visible;
    opacity: 1;
    transform: none;
    pointer-events: auto;
    transition: opacity .2s, transform .2s, visibility 0s;
  }

  header nav a {
    padding: 15px 24px;
    border-bottom: 1px solid #f3e6e2;
  }

  header nav a:last-child { border-bottom: 0; }

  header nav a[aria-current="page"] { color: #B76E79; }

  /* ---------- carrinho flutuante ---------- */

  body header .btn-carrinho.btn-carrinho {
    position: fixed;
    right: 16px;
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    z-index: 1000;
    display: grid;
    place-items: center;
    width: 60px;
    height: 60px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: #B76E79;
    color: #fff;
    box-shadow: 0 8px 22px rgba(138, 74, 84, .45);
    -webkit-tap-highlight-color: transparent;
    transition: transform .2s, background .2s;
  }

  body header .btn-carrinho.btn-carrinho:hover { background: #A05A65; opacity: 1; }
  body header .btn-carrinho.btn-carrinho:active { transform: scale(.94); }

  .btn-carrinho-icone {
    display: grid;
    place-items: center;
  }

  .btn-carrinho-icone svg { width: 28px; height: 28px; }

  /* o texto continua para leitores de tela, só some da vista */
  .btn-carrinho-texto {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .btn-carrinho #contadorCarrinho {
    position: absolute;
    top: -3px;
    right: -3px;
    display: grid;
    place-items: center;
    min-width: 24px;
    height: 24px;
    padding: 0 6px;
    border: 2px solid #B76E79;
    border-radius: 12px;
    background: #fff;
    color: #8A4A54;
    font-size: 12px;
    font-weight: 700;
    line-height: 1;
  }

  .btn-carrinho.vazio #contadorCarrinho { display: none; }

  /* na própria página do carrinho o botão não faz sentido */
  .btn-carrinho.na-pagina-do-carrinho { display: none !important; }

  /* o aviso "Adicionado ao carrinho" sobe para não ficar embaixo do botão */
  .fx-toast { bottom: calc(92px + env(safe-area-inset-bottom, 0px)); }
}

@media (prefers-reduced-motion: reduce) {
  .menu-toggle-barras,
  .menu-toggle-barras::before,
  .menu-toggle-barras::after,
  header nav,
  .btn-carrinho { transition: none !important; }
}