:root {
  --sidebar-color: #ffffff;
  --sidebar-font-color: #252827;
  --hamburguer-color: #252827;
  --border-color: #ece8e2;
  --color-font: #252827;
  --color-title: #252827;
}

@media (min-width: 992px) {
  .os-header hamburguer-menu,
  .os-header #hamburguer {
    display: none !important;
  }

  .os-header .os-sidebar-top,
  .os-header #sidebar > h5,
  .os-header .os-cart-title {
    display: none !important;
  }
}

@media (max-width: 991px) {
  :root {
    --os-header-height: 72px;
  }

  .os-header .nav-scroll {
    padding: 0;
  }

  .os-header .os-navbar.navbar.container {
    padding: 0.65rem 0.85rem;
    gap: 0.55rem;
    max-width: none;
    width: 100% !important;
  }

  .os-header .logo {
    flex: 1 1 auto;
    min-width: 0;
  }

  .os-header .logo img {
    height: 40px;
    max-width: 140px;
  }

  .os-header #menu {
    width: auto;
    flex: 0 0 auto;
    justify-content: flex-end;
    margin-left: 0;
  }

  /* Área do Aluno na barra (fora do drawer) */
  .os-header .os-header-login {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
    margin-left: auto;
  }

  .os-header .os-header-login .nav-menu-login__link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 0.75rem;
    background: var(--os-header-dark, #252827);
    color: #fff !important;
    font-size: 0.78rem;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    border-radius: 6px;
    white-space: nowrap;
  }

  .os-header .os-header-login .nav-menu-login__link i {
    font-size: 0.75rem;
  }

  .os-header .os-header-login .nav-menu-login__link:hover,
  .os-header .os-header-login .nav-menu-login__link:focus {
    background: var(--principal, var(--os-header-accent, #d0121a));
    color: #fff !important;
    text-decoration: none;
  }

  @media (max-width: 380px) {
    .os-header .os-header-login .nav-menu-login__link span {
      display: none;
    }

    .os-header .os-header-login .nav-menu-login__link {
      padding: 0.55rem 0.65rem;
    }
  }

  .os-header #hamburguer {
    display: block;
    position: relative;
    z-index: 1100;
    margin-left: 0.15rem;
  }

  .os-header.is-menu-open #hamburguer {
    position: relative;
    z-index: 30060;
  }

  /* Logo permanece visível com o menu aberto */
  .os-header.is-menu-open .logo {
    position: relative;
    z-index: 30060;
  }

  /* Com o menu aberto, some o login da barra — fica só o de dentro do drawer */
  .os-header.is-menu-open .os-header-login {
    visibility: hidden;
    pointer-events: none;
  }

  .os-header hamburguer-menu {
    display: block;
  }

  /* Drawer estilo Guia: full width, conteúdo empilhado do topo */
  .os-header #sidebar {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    max-width: none !important;
    height: 100vh !important;
    height: 100dvh !important;
    margin: 0 !important;
    padding: 4.5rem 1.5rem 1.5rem !important;
    padding-bottom: calc(1.5rem + env(safe-area-inset-bottom, 0px)) !important;
    box-sizing: border-box !important;
    background: var(--sidebar-color);
    color: var(--sidebar-font-color);
    border-right: 0;
    box-shadow: none;
    overflow-x: hidden !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
    display: flex !important;
    flex-direction: column !important;
    flex-wrap: nowrap !important;
    justify-content: flex-start !important;
    align-items: stretch !important;
    gap: 0;
    z-index: 30051;
    transform: translateX(-105%);
    transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .os-header #sidebar.is-open {
    transform: translateX(0);
    left: 0 !important;
  }

  .os-header .os-sidebar-top {
    display: block;
    flex: 0 0 auto;
    order: 0;
    padding: 0 0 1.25rem;
  }

  .os-header .os-sidebar-top h5,
  .os-header #sidebar > h5 {
    display: block;
    margin: 0;
    color: var(--color-title);
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: none;
    line-height: 1.2;
  }

  /* Links — compactos, no topo */
  .os-header .nav-menu {
    display: flex !important;
    flex-direction: column !important;
    flex-wrap: nowrap !important;
    align-items: stretch !important;
    justify-content: flex-start !important;
    flex: 0 0 auto !important;
    order: 1;
    gap: 0;
    width: 100%;
    margin: 0 0 1.25rem;
    padding: 0;
    overflow: visible;
  }

  .os-header .nav-menu__item {
    width: 100%;
    border-bottom: 0;
    position: relative;
    flex: 0 0 auto;
    margin: 0 0 0.85rem;
  }

  .os-header .nav-menu__item:last-child {
    margin-bottom: 0;
  }

  .os-header .nav-menu__row {
    display: flex;
    align-items: center;
    width: 100%;
    min-height: 0;
  }

  .os-header .nav-menu__link {
    display: flex;
    flex: 1 1 auto;
    align-items: center;
    width: auto;
    min-width: 0;
    padding: 0.35rem 0;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-font);
    border-radius: 0;
    box-sizing: border-box;
  }

  .os-header .nav-accordion-btn {
    flex: 0 0 auto;
    width: 40px;
    height: 40px;
    margin: 0;
    color: var(--color-font);
    border-left: 0;
  }

  .os-header .nav-accordion-btn:active {
    background: #f3f1ed;
  }

  .os-header .nav-menu__item.is-open > .nav-menu__row {
    background: transparent;
  }

  .os-header .nav-menu__item.is-open .nav-menu__link {
    color: var(--principal, var(--os-header-accent, #d0121a));
  }

  .os-header .nav-chevron {
    width: 9px;
    height: 9px;
  }

  /* Accordion */
  .os-header .nav-dropdown {
    position: static !important;
    left: auto !important;
    right: auto !important;
    width: 100% !important;
    min-width: 0 !important;
    max-height: 0;
    padding-top: 0 !important;
    margin: 0;
    overflow: hidden;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: none;
    transform: none !important;
    transition: max-height 0.3s ease;
    z-index: auto;
  }

  .os-header .nav-menu__item:hover > .nav-dropdown,
  .os-header .nav-menu__item:focus-within > .nav-dropdown {
    max-height: 0 !important;
    pointer-events: none;
    transform: none !important;
  }

  .os-header .nav-menu__item.is-open > .nav-dropdown,
  .os-header .nav-menu__item.is-open:hover > .nav-dropdown,
  .os-header .nav-menu__item.is-open:focus-within > .nav-dropdown {
    max-height: 40vh !important;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    pointer-events: auto;
    transform: none !important;
  }

  /* Fade indica que há mais opções para rolar com o dedo */
  .os-header .nav-menu__item.is-open > .nav-dropdown.has-fade-bottom {
    -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 calc(100% - 2.75rem), transparent 100%);
    mask-image: linear-gradient(to bottom, #000 0%, #000 calc(100% - 2.75rem), transparent 100%);
  }

  .os-header .nav-menu__item.is-open > .nav-dropdown.has-fade-top {
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 2.25rem, #000 100%);
    mask-image: linear-gradient(to bottom, transparent 0%, #000 2.25rem, #000 100%);
  }

  .os-header .nav-menu__item.is-open > .nav-dropdown.has-fade-top.has-fade-bottom {
    -webkit-mask-image: linear-gradient(
      to bottom,
      transparent 0%,
      #000 2rem,
      #000 calc(100% - 2.75rem),
      transparent 100%
    );
    mask-image: linear-gradient(
      to bottom,
      transparent 0%,
      #000 2rem,
      #000 calc(100% - 2.75rem),
      transparent 100%
    );
  }

  .os-header .nav-menu__item:hover .nav-chevron,
  .os-header .nav-menu__item:focus-within .nav-chevron {
    transform: rotate(45deg);
    margin-top: -2px;
  }

  .os-header .nav-menu__item.is-open .nav-chevron,
  .os-header .nav-menu__item.is-open:hover .nav-chevron {
    transform: rotate(225deg);
    margin-top: 2px;
  }

  .os-header .nav-dropdown__inner {
    overflow: hidden;
    border: 0;
    box-shadow: none;
    border-radius: 0;
    background: #f7f5f1;
    margin-top: 0.35rem;
  }

  .os-header .nav-dropdown__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.65rem 1rem 0.25rem;
    border: 0;
    background: transparent;
  }

  .os-header .nav-dropdown__head strong {
    font-size: 0.72rem;
    color: #888;
  }

  .os-header .nav-menu__item .sub-navigation,
  .os-header .sub-navigation--mega {
    position: static;
    display: block;
    grid-template-columns: none;
    max-height: none;
    overflow: visible;
    min-width: 0;
    margin: 0;
    padding: 0.1rem 0 0.5rem;
    border: 0;
    box-shadow: none;
    background: transparent;
  }

  .os-header .sub-navigation li {
    border: 0;
  }

  .os-header .sub-navigation a {
    padding: 0.55rem 1rem 0.55rem 1.15rem;
    color: #555;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 0;
    border-bottom: 2px solid transparent;
  }

  .os-header .sub-navigation a:hover,
  .os-header .sub-navigation a:focus,
  .os-header .sub-navigation--mega a:hover,
  .os-header .sub-navigation--mega a:focus {
    background: rgba(0, 0, 0, 0.03);
    color: var(--principal, var(--os-header-accent, #d0121a));
    border-bottom-color: var(--principal, var(--os-header-accent, #d0121a));
  }

  /* Área do Aluno — depois dos links (como Guia) */
  .os-header .os-sidebar-cta {
    display: block;
    flex: 0 0 auto;
    order: 2;
    width: 100%;
    margin: 0 0 1.35rem;
    padding: 0;
    border: 0;
  }

  .os-header .os-sidebar-cta .nav-menu-login__link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    width: 100%;
    box-sizing: border-box;
    min-height: 52px;
    height: auto;
    padding: 0.95rem 1rem;
    overflow: visible;
    background: var(--os-header-dark, #252827);
    color: #fff !important;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.25;
    text-decoration: none;
    border-radius: 6px;
  }

  .os-header .os-sidebar-cta .nav-menu-login__link:hover,
  .os-header .os-sidebar-cta .nav-menu-login__link:focus {
    background: var(--principal, var(--os-header-accent, #d0121a));
    color: #fff !important;
    text-decoration: none;
  }

  .os-header .os-sidebar-cta .nav-menu-login__link i {
    font-size: 1rem;
  }

  /* Busca + carrinho logo abaixo — sempre visíveis */
  .os-header .os-sidebar-footer {
    display: flex;
    flex-direction: column;
    gap: 0;
    flex: 0 0 auto !important;
    order: 3;
    margin: 0;
    padding: 0.35rem 0 0;
    border-top: 0;
    background: transparent;
  }

  .os-header .nav-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 0.85rem;
    margin: 0;
    width: 100%;
    order: initial;
  }

  .os-header .search-action {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.55rem;
    width: 100%;
    min-height: 0;
    padding: 1.25rem 0;
    margin: 0;
    border: 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    border-radius: 0;
    background: transparent;
    color: var(--color-font);
    font-size: 1.05rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
  }

  .os-header .search-action:hover {
    color: var(--principal, var(--os-header-accent, #d0121a));
  }

  .os-header .search-action .search-icon {
    flex: 0 0 auto;
    font-size: 1.05rem;
    line-height: 1;
  }

  .os-header .search-p {
    position: static;
    display: inline;
    width: auto;
    height: auto;
    margin: 0;
    clip: auto;
    overflow: visible;
    white-space: nowrap;
  }

  .os-header .os-cart-title {
    display: block;
    margin: 0.85rem 0 0.25rem;
    padding: 0;
    color: var(--color-title);
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.2;
  }

  .os-header .basket {
    display: flex;
    width: auto;
    min-height: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
  }

  .os-header .basket a {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    width: auto;
    justify-content: flex-start;
    color: var(--color-font);
    text-decoration: none;
    font-weight: 600;
  }

  .os-header .basket a:hover {
    color: var(--principal, var(--os-header-accent, #d0121a));
  }

  .os-header .basket p {
    margin: 0;
  }

  /* Busca mobile: barra no topo (fora do drawer, sob/sobre o header) */
  .os-header .search-box {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    margin: 0;
    z-index: 30070;
    overflow: hidden;
    pointer-events: none;
  }

  .os-header #search {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: nowrap;
    gap: 1rem;
    width: 100%;
    min-width: 0;
    margin: 0;
    padding: 1.25rem 1.35rem;
    padding-top: calc(1.1rem + env(safe-area-inset-top, 0px));
    background: var(--os-header-dark, #252827);
    border: 0;
    border-radius: 0;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-110%);
    transition: transform 0.32s ease, opacity 0.28s ease, visibility 0.28s;
    pointer-events: none;
    box-sizing: border-box;
  }

  .os-header #search.search-show {
    display: flex;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }

  /* Enquanto a busca está aberta, logo/X somem para não sobrepor a barra */
  .os-header.is-search-open .logo,
  .os-header.is-search-open #hamburguer,
  .os-header.is-search-open .os-header-login {
    visibility: hidden;
    pointer-events: none;
  }

  .os-header #search label {
    display: none;
  }

  .os-header #search input {
    flex: 1 1 auto;
    max-width: none;
    min-width: 0;
    height: 46px;
    margin: 0;
    padding: 0 0.85rem;
    border: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 0;
    background: transparent;
    color: #fff;
    box-shadow: none;
    font-size: 1rem;
  }

  .os-header #search input::placeholder {
    color: rgba(255, 255, 255, 0.65);
  }

  .os-header #search input:focus {
    outline: none;
    border-bottom-color: var(--principal, var(--os-header-accent, #d0121a));
  }

  .os-header #search button[type="submit"] {
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    margin: 0;
    border: 0;
    border-radius: 8px;
    background: var(--principal, var(--os-header-accent, #d0121a));
    color: #fff;
    cursor: pointer;
  }

  .os-header #search .close-icon {
    flex: 0 0 auto;
    width: 36px;
    height: 36px;
    margin: 0 0 0 0.15rem;
    background: rgba(255, 255, 255, 0.28);
  }

  .os-header.is-menu-open .nav-scroll {
    z-index: 30050;
  }
}