/* ============================================================
   DITOM — Base & Navbar
   Estilo de referência: Nike.com — galeria monocromática
   ============================================================ */

/* Variáveis globais: cores, fontes, raios e sombras usadas por todo o site */
:root {
    /* ---- Paleta monocromática (Nike-style) ---- */
    --color-obsidian:      #111111;
    --color-paper-white:   #ffffff;
    --color-concrete-gray: #e5e5e5;
    --color-soft-mist:     #f5f5f5;
    --color-steel:         #707072;
    --color-faint-gray:    #9e9ea0;

    /* ---- Aliases usados pelo restante do projeto (compat) ---- */
    --nav-bg:        #ffffff;
    --nav-border:    #e5e5e5;
    --nav-height:    70px;
    --yellow:        #111111;              /* accent -> obsidian, sem cor de destaque */
    --yellow-dim:    rgba(17,17,17,0.06);
    --text:          #111111;
    --text-muted:    #707072;
    --dark:          #ffffff;              /* fundo principal agora é branco */
    --drawer-bg:     #ffffff;
    --drawer-border: #e5e5e5;
    --transition:    0.28s cubic-bezier(0.4, 0, 0.2, 1);

    /* ---- Tipografia ---- */
    /* Uma fonte só no site inteiro: a Inter (carregada no base.html). As fontes antigas
       ("Nike Futura", "Helvetica Now") não existiam aqui e os títulos caíam no Arial. */
    --font-display:  'Inter', Helvetica, Arial, sans-serif;
    --font-body:     'Inter', Helvetica, Arial, sans-serif;
    --font-body-medium: 'Inter', Helvetica, Arial, sans-serif;

    /* ---- Raios (Nike) ---- */
    --radius-cards:   0px;
    --radius-inputs:  0px;
    --radius-buttons: 30px;
    --radius-nav:     24px;
    --radius-tags:    30px;
    --radius-sm:      30px;   /* alias usado pelas páginas de produto/carrinho/pedidos */

    /* ---- Escala tipográfica ----
       Poucos tamanhos, reaproveitados em todo o site em vez de
       cada página inventar o seu. Rótulo = papel do texto, não o
       valor em si (facilita trocar tudo de uma vez no futuro). */
    --text-xs:    11px;   /* legendas, badges, metadados */
    --text-sm:    13px;   /* texto auxiliar, botões secundários */
    --text-base:  14px;   /* corpo de texto padrão, botões */
    --text-md:    16px;   /* nomes de produto, itens de destaque */
    --text-lg:    20px;   /* preços, subtítulos */
    --text-xl:    28px;   /* títulos de seção */
    --text-2xl:   36px;   /* títulos de página (mobile) */
    --text-3xl:   48px;   /* títulos de página (desktop) */

    --weight-regular: 400;
    --weight-medium:  500;
    --weight-bold:    600;
}

/* Reset básico: sem margens padrão e box-sizing previsível */
*, *::before, *::after {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

/* Fonte e cor padrão da página */
body {
    font-family: var(--font-body);
    background-color: var(--color-paper-white);
    color: var(--color-obsidian);
    -webkit-font-smoothing: antialiased;
    /* Coluna: menu, conteúdo e rodapé. Em página curta o rodapé (margin-top: auto)
       fica no pé da tela, sem as páginas precisarem forçar 100% de altura. */
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ══════════════════════════════════════
   SISTEMA DE BOTÕES
   Um único padrão visual pra todo o site: pill preto sólido como
   ação primária, contorno como ação secundária, texto puro como
   ação terciária/discreta. Todas as páginas devem usar estas
   classes (ou as classes específicas que já apontam pra elas,
   ver comentário "alias" em cada CSS de página) em vez de recriar
   o botão do zero.
══════════════════════════════════════ */
.btn-primary,
.btn-secondary,
.btn-outline,
.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-body-medium);
    font-size: var(--text-base);
    font-weight: var(--weight-medium);
    letter-spacing: normal;
    text-transform: none;
    text-decoration: none;
    border-radius: var(--radius-buttons);
    cursor: pointer;
    white-space: nowrap;
    transition: opacity var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
}

/* Primária — a ação principal da tela (comprar, pagar, enviar, confirmar) */
.btn-primary {
    background: var(--color-obsidian);
    color: #ffffff;
    border: none;
    padding: 14px 24px;
}

.btn-primary:hover:not(:disabled) {
    opacity: 0.85;
}

.btn-primary:active:not(:disabled) {
    opacity: 0.7;
}

/* Secundária — mesma hierarquia visual "sólida", usada quando duas
   ações fortes convivem lado a lado (ex: "Adicionar" numa lista) */
.btn-secondary {
    background: var(--color-soft-mist);
    color: var(--color-obsidian);
    border: none;
    padding: 14px 24px;
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-concrete-gray);
}

/* Contorno — ação alternativa/menos importante (voltar, cancelar) */
.btn-outline {
    background: transparent;
    color: var(--color-steel);
    border: 1px solid var(--color-concrete-gray);
    padding: 13px 24px;
}

.btn-outline:hover:not(:disabled) {
    color: var(--color-obsidian);
    border-color: var(--color-obsidian);
}

/* Texto puro — ação terciária, links de ação dentro de um fluxo */
.btn-ghost {
    background: transparent;
    color: var(--color-steel);
    border: none;
    padding: 8px 4px;
}

.btn-ghost:hover:not(:disabled) {
    color: var(--color-obsidian);
}

/* Tamanho compacto — usar junto de qualquer variante acima quando o
   botão precisa ser menor (dentro de cards, linhas de tabela, etc.) */
.btn-sm {
    padding: 9px 18px;
    font-size: var(--text-sm);
}

/* Botão circular só com ícone (qty +/-, fechar, etc.) */
.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    border-radius: 50%;
    border: 1px solid var(--color-concrete-gray);
    background: transparent;
    color: var(--color-obsidian);
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.btn-icon:hover:not(:disabled) {
    background: var(--color-obsidian);
    border-color: var(--color-obsidian);
    color: #ffffff;
}

.btn-primary:disabled,
.btn-secondary:disabled,
.btn-outline:disabled,
.btn-ghost:disabled,
.btn-icon:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Botão ocupando 100% da largura */
.btn-full {
    width: 100%;
}

/* ══════════════════════════════════════
   NAVBAR
══════════════════════════════════════ */

/* Barra de navegação fixa no topo */
#main-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
    padding: 0 48px;
    background: #ffffff;
    border-bottom: 1px solid var(--color-concrete-gray);
    position: sticky;
    top: 0;
    z-index: 900;
    transition: box-shadow var(--transition), background var(--transition);
}

/* Navbar com scroll — mesma altura, só ganha uma sombra sutil.
   (Sem backdrop-filter: o blur sobre fundo quase opaco não aparecia
   e deixava a rolagem mais pesada.) */
#main-nav.scrolled {
    box-shadow: 0 1px 12px rgba(17, 17, 17, 0.06);
}

/* — Logo — */
.nav-logo a {
    display: flex;
    align-items: center;
    transition: opacity var(--transition);
}

.nav-logo a:hover { opacity: 0.7; }

.nav-logo img {
    height: 30px;
    width: auto;
    display: block;
}

/* — Links centrais — */
.nav-links {
    display: flex;
    gap: 8px;
    list-style: none;
    margin-left: 20px;
}

.nav-links a {
    font-family: var(--font-body-medium);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: normal;
    text-transform: none;
    color: var(--color-obsidian);
    text-decoration: none;
    padding: 6px 14px;
    border-radius: var(--radius-inputs);
    transition: color var(--transition), background var(--transition);
}

.nav-links a:hover {
    color: var(--color-obsidian);
    background: var(--color-soft-mist);
}

.nav-links a.active {
    color: var(--color-obsidian);
    background: var(--color-soft-mist);
}

/* — Barra de Pesquisa — */
.nav-search-container {
    flex: 1;
    max-width: 400px;
    margin: 0 40px;
}

.nav-search-form {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--color-soft-mist);
    border: none;
    border-radius: 24px;
    padding: 6px 8px 6px 14px;
    transition: var(--transition);
}

.nav-search-form:focus-within {
    background: var(--color-concrete-gray);
}

.nav-search-form input {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--color-obsidian);
    font-family: var(--font-body);
    font-size: 14px;
    padding: 6px 0;
    outline: none;
}

.nav-search-form input::placeholder {
    color: var(--color-steel);
    font-size: 14px;
}

.nav-search-form button {
    background: transparent;
    border: none;
    color: var(--color-steel);
    padding: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition);
}

.nav-search-form button:hover {
    color: var(--color-obsidian);
}

/* — Ações direita — */
.nav-acoes {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Ícone carrinho */
.nav-carrinho {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-obsidian);
    text-decoration: none;
    width: 38px;
    height: 38px;
    border-radius: 8px;
    transition: color var(--transition), background var(--transition);
}

.nav-carrinho:hover {
    color: var(--color-obsidian);
    background: var(--color-soft-mist);
}

.nav-carrinho-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--color-obsidian);
    color: #ffffff;
    font-family: var(--font-body);
    font-size: 9px;
    font-weight: 700;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    animation: badge-pop 0.3s cubic-bezier(0.34,1.56,0.64,1) both;
}

@keyframes badge-pop {
    from { transform: scale(0); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
}

/* Botão Entrar — Pill Button (Primary) */
.nav-btn-entrar {
    font-family: var(--font-body-medium);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: normal;
    text-transform: none;
    color: #ffffff;
    background: var(--color-obsidian);
    text-decoration: none;
    padding: 8px 20px;
    border-radius: var(--radius-buttons);
    transition: opacity var(--transition), transform var(--transition);
}

.nav-btn-entrar:hover {
    opacity: 0.85;
}

/* "Sair" é um botão dentro de um form (POST): mesma aparência dos links ao lado */
.form-sair { display: contents; }
button.nav-btn-entrar,
button.drawer-btn-entrar {
    border: none;
    cursor: pointer;
    line-height: inherit;
}
button.drawer-btn-entrar { width: 100%; }

/* Agrupa carrinho + hambúrguer no mobile */
.nav-mobile-actions {
    display: none;
    align-items: center;
    gap: 4px;
}

/* Ícone carrinho (mobile) */
.nav-carrinho-mobile {
    display: none;
    position: relative;
    align-items: center;
    justify-content: center;
    color: var(--color-obsidian);
    text-decoration: none;
    width: 38px;
    height: 38px;
    border-radius: 8px;
    transition: color var(--transition), background var(--transition);
}

.nav-carrinho-mobile:hover {
    background: var(--color-soft-mist);
}

/* ══════════════════════════════════════
   HAMBÚRGUER
══════════════════════════════════════ */

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: background var(--transition);
}

.nav-toggle:hover { background: var(--color-soft-mist); }

.nav-toggle span {
    display: block;
    width: 100%;
    height: 1.5px;
    background: var(--color-obsidian);
    border-radius: 2px;
    transform-origin: center;
    transition: transform var(--transition), opacity var(--transition), width var(--transition);
}

/* Animação X ao abrir */
.nav-toggle.is-open span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}
.nav-toggle.is-open span:nth-child(2) {
    opacity: 0;
    width: 0;
}
.nav-toggle.is-open span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

/* ══════════════════════════════════════
   OVERLAY
══════════════════════════════════════ */

.drawer-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(17,17,17,0.5);
    backdrop-filter: blur(3px);
    z-index: 910;
    opacity: 0;
    transition: opacity var(--transition);
}

.drawer-overlay.is-open {
    display: block;
    opacity: 1;
}

/* ══════════════════════════════════════
   DRAWER MOBILE
══════════════════════════════════════ */

.drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 300px;
    height: 100dvh;
    background: var(--drawer-bg);
    border-left: 1px solid var(--drawer-border);
    z-index: 920;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.drawer.is-open {
    transform: translateX(0);
}

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    height: var(--nav-height);
    border-bottom: 1px solid var(--drawer-border);
}

.drawer-logo {
    display: flex;
    align-items: center;
}

.drawer-logo img {
    height: 26px;
    width: auto;
    display: block;
}

.drawer-nav {
    display: flex;
    flex-direction: column;
    padding: 24px 0;
    flex: 1;
}

.drawer-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 28px;
    font-family: var(--font-body-medium);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-steel);
    text-decoration: none;
    border-left: 2px solid transparent;
    transition: color var(--transition), background var(--transition), border-color var(--transition);
}

.drawer-link:hover,
.drawer-link.active {
    color: var(--color-obsidian);
    background: var(--color-soft-mist);
    border-left-color: var(--color-obsidian);
}

.drawer-badge {
    margin-left: auto;
    background: var(--color-obsidian);
    color: #ffffff;
    font-family: var(--font-body);
    font-size: 9px;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.drawer-footer {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 24px 28px;
    border-top: 1px solid var(--drawer-border);
}

.drawer-btn-entrar {
    display: block;
    text-align: center;
    font-family: var(--font-body-medium);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: normal;
    text-transform: none;
    color: #ffffff;
    background: var(--color-obsidian);
    text-decoration: none;
    padding: 12px;
    border-radius: var(--radius-buttons);
    transition: opacity var(--transition);
}

.drawer-btn-entrar:hover {
    opacity: 0.85;
}

/* ══════════════════════════════════════
   RESPONSIVO NAVBAR
══════════════════════════════════════ */

@media (max-width: 768px) {
    #main-nav {
        padding: 0 20px;
    }

    .nav-links,
    .nav-acoes {
        display: none;
    }

    .nav-mobile-actions {
        display: flex;
    }

    .nav-carrinho-mobile {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }
}


/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */

.site-footer {
    background: #ffffff;
    border-top: 1px solid var(--color-concrete-gray);
    padding: 0 48px;
    margin-top: auto;
}

/* ── Top grid ── */
.footer-top {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding: 64px 0 52px;
}

/* ── Marca ── */
.footer-logo {
    display: block;
    margin-bottom: 16px;
}

.footer-logo img {
    height: 32px;
    width: auto;
    display: block;
}

.footer-tagline {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.75;
    color: var(--color-steel);
    max-width: 220px;
    margin-bottom: 28px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social-link {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid var(--color-concrete-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-steel);
    text-decoration: none;
    transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.footer-social-link:hover {
    color: #ffffff;
    background: var(--color-obsidian);
    border-color: var(--color-obsidian);
}

/* ── Colunas de links ── */
.footer-col-title {
    font-family: var(--font-body-medium);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: normal;
    text-transform: none;
    color: var(--color-obsidian);
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 400;
    color: var(--color-steel);
    text-decoration: none;
    position: relative;
    padding-left: 0;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--color-obsidian);
}

/* ── Contato ── */
.footer-contact {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 400;
    color: var(--color-steel);
}

.footer-contact svg {
    flex-shrink: 0;
    color: var(--color-steel);
    opacity: 0.9;
}

/* ── Divider ── */
.footer-divider {
    height: 1px;
    background: var(--color-concrete-gray);
}

/* ── Bottom bar ── */
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 0;
}

.footer-copy {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 400;
    color: var(--color-faint-gray);
    letter-spacing: 0.02em;
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 400;
    color: var(--color-faint-gray);
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: color var(--transition);
}

.footer-bottom-links a:hover {
    color: var(--color-obsidian);
}

/* ── Responsivo ── */
@media (max-width: 900px) {
    .site-footer {
        padding: 0 32px;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        padding: 48px 0 40px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-tagline {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .site-footer {
        padding: 0 24px;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 40px 0 32px;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding: 20px 0;
    }
}


.drawer-search { padding: 16px 20px 8px; }
@media (max-width: 768px) { .nav-search-container { display: none; } }

/* --- Botão Admin no Navbar --- */
.nav-btn-admin {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--color-soft-mist);
    border: 1px solid var(--color-concrete-gray);
    border-radius: var(--radius-buttons);
    color: var(--color-steel);
    font-family: var(--font-body-medium);
    font-size: 12px;
    font-weight: 500;
    text-transform: none;
    text-decoration: none;
    transition: all var(--transition);
}

.nav-btn-admin:hover {
    background: var(--color-concrete-gray);
    border-color: var(--color-obsidian);
    color: var(--color-obsidian);
}

.drawer-btn-admin {
    display: block;
    text-align: center;
    padding: 10px;
    background: var(--color-soft-mist);
    border: 1px solid var(--color-concrete-gray);
    border-radius: var(--radius-buttons);
    color: var(--color-obsidian);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    transition: background var(--transition);
}

.drawer-btn-admin:hover {
    background: var(--color-concrete-gray);
}

/* ══════════════════════════════════════
   REVEAL AO SCROLL — usado em toda a home/sobre
   (a lógica de observar/ativar fica em static/js/main.js)
══════════════════════════════════════ */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s cubic-bezier(0.2, 0.8, 0.2, 1),
                transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Esconde visualmente mas mantém acessível para leitores de tela */
.visually-hidden {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}