/**
 * Единые стили шапки и навигации для index, cabinet, cart, checkout, auth.
 */
.header { background: var(--card); border-bottom: 1px solid var(--border); padding: 10px 0; position: sticky; top: 0; z-index: 100; box-sizing: border-box; }
/* Вертикальные отступы задаёт только .header; иначе страничное правило .wrap { padding: 24px } раздувает шапку */
.header .wrap { max-width: 900px; margin-left: auto; margin-right: auto; padding-top: 0; padding-bottom: 0; padding-left: 20px; padding-right: 20px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; box-sizing: border-box; }
.logo { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1.2rem; line-height: 1.2; min-height: 1.2em; color: var(--accent); text-decoration: none; }
.header-outlet { color: rgba(255,255,255,0.85); font-size: 0.8rem; margin-left: 12px; border-left: 1px solid rgba(255,255,255,0.3); padding-left: 12px; line-height: 1.25; }
.nav { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.nav-desktop-primary { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; flex: 0 1 auto; min-width: 0; }
.nav-partner-cabinet-tabs { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 8px; padding-left: 0; margin-left: 0; border-left: none; flex: 0 0 auto; }
.nav-partner-cabinet-tab { color: #fff; text-decoration: none; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; padding: 4px 2px; border-radius: 6px; border: 3px solid rgba(255,255,255,0.32); transition: color .2s, border-color .2s; flex: 0 0 auto; min-width: max-content; }
.nav-partner-cabinet-tab:hover { color: var(--accent); }
.nav-partner-cabinet-tab.active { color: var(--accent); border-color: var(--accent); }
.nav-partner-cabinet-tab .nav-icon { width: 22px; height: 22px; fill: currentColor; flex-shrink: 0; }
.nav a { color: #fff; text-decoration: none; font-weight: 600; transition: color .2s; display: inline-flex; align-items: center; gap: 6px; }
.nav a:hover { color: var(--accent); }
.nav .nav-icon { width: 22px; height: 22px; fill: currentColor; flex-shrink: 0; }
.nav .cart-link { background: transparent; color: #fff; padding: 8px 12px; font-weight: 700; display: inline-flex; align-items: center; gap: 6px; }
.nav .cart-link:hover { background: transparent; color: var(--accent); }
.nav .cart-link .nav-icon { width: 20px; height: 20px; flex-shrink: 0; fill: #fff; }
.nav .cart-link .cart-count { display: none; margin-left: 6px; min-width: 20px; height: 20px; padding: 0; background: #e74c3c; color: #fff; -webkit-text-fill-color: #fff; border-radius: 50%; font-size: 0.75rem; font-weight: 700; align-items: center; justify-content: center; }
.nav .cart-link.cart-has-items .cart-count { display: inline-flex; }
.nav .messenger-link { color: #27ae60 !important; }
.nav .messenger-link:hover { color: #2ecc71 !important; }
.messenger-link.has-unread { animation: chat-pulse 1.5s ease-in-out infinite; }
@keyframes chat-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.7; } }
.nav .nav-messenger-wrap { position: relative; display: inline-flex; align-items: center; }
.nav .nav-messenger-wrap .nav-icon { width: 22px; height: 22px; fill: currentColor; flex-shrink: 0; }
.nav .messenger-badge { position: absolute; top: -6px; right: -8px; min-width: 18px; height: 18px; padding: 0; background: #e74c3c; color: #fff; font-size: 0.7rem; font-weight: 700; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.header-top-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    min-width: 0;
}
/* id и иконка выхода — одна неразрывная группа в строке шапки */
.header-id-logout-row {
    display: inline-flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 6px;
    flex-shrink: 0;
    min-width: 0;
}
.header-id-logout-row .header-account-id {
    min-width: 0;
}
.header-account-id {
    margin-left: 4px;
    font-size: 0.82rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.82);
    padding: 2px 0;
    border: none;
    border-radius: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 96px;
    width: max-content;
    max-width: none;
    white-space: nowrap;
    overflow: visible;
    flex-shrink: 0;
    letter-spacing: 0.02em;
    user-select: none;
}
.header-mobile-logout { display: none; }
@media (max-width: 768px) {
    .header { padding: 4px 0; }
    .header .wrap {
        min-height: 42px;
        gap: 6px;
        padding-left: 10px;
        padding-right: 10px;
    }
    .logo { font-size: 1.02rem; line-height: 1.2; }
    .header-outlet { font-size: 0.72rem; }
    .nav { gap: 4px; }
    .nav a { font-size: 0.85rem; }
    .nav .nav-icon { width: 26px; height: 26px; }
    .nav .cart-link { padding: 4px 6px; }
    .nav .cart-link .nav-icon { width: 26px; height: 26px; }
    .nav-partner-cabinet-tab .nav-icon { width: 26px; height: 26px; }
    .nav .nav-messenger-wrap .nav-icon { width: 26px; height: 26px; }
    .header-top-row {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: nowrap;
        min-width: 0;
    }
    .header-outlet {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        min-width: 0;
        max-width: 42vw;
    }
    .header-id-logout-row {
        margin-left: 6px;
        flex: 0 0 auto;
    }
    .nav-partner-cabinet-tabs {
        flex-wrap: nowrap;
        white-space: nowrap;
        gap: 0;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .nav-partner-cabinet-tabs::-webkit-scrollbar {
        display: none;
    }
    .nav-partner-cabinet-tab {
        flex: 0 0 auto;
        white-space: nowrap;
        padding-left: 1px;
        padding-right: 1px;
    }
    .header-mobile-logout {
        display: inline-flex;
        margin-left: 0;
        padding: 4px;
        border-radius: 999px;
        color: #fff;
        text-decoration: none;
        flex-shrink: 0;
    }
    .header-mobile-logout svg { width: 20px; height: 20px; fill: currentColor; }
}
@media (min-width: 769px) {
    .header .nav-desktop,
    .header .nav-desktop-primary,
    .header .nav-partner-cabinet-tabs {
        gap: 8px !important;
    }
    .header .nav-desktop > *,
    .header .nav-desktop-primary > *,
    .header .nav-partner-cabinet-tabs > * {
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
    .header .nav-desktop a,
    .header .nav-partner-cabinet-tab,
    .header .header-account-id {
        margin: 0 !important;
    }
    .header .logo { position: static; left: auto; }
    .header .wrap {
        display: flex;
        justify-content: center;
        align-items: center;
        flex-wrap: wrap;
        max-width: calc(1280px + 10cm);
        width: 100%;
        padding-left: 24px;
        padding-right: 24px;
        gap: 12px;
    }
    /* Навигация заполняет строку: слева «Каталог» (+ вкладки ЛК), справа — корзина и крайний справа «Вход» для гостя */
    .header .wrap > .nav-desktop {
        display: flex;
        align-items: center;
        flex-wrap: nowrap;
        gap: 8px;
        width: auto;
        justify-content: center;
        min-width: 0;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .header .wrap > .nav-desktop::-webkit-scrollbar { display: none; }
    .header .wrap > .nav-desktop > .nav-desktop-primary {
        margin-right: 0;
        flex-wrap: nowrap;
        min-width: 0;
        justify-content: center;
    }
    .header .wrap > .nav-desktop .nav-partner-cabinet-tabs {
        flex-wrap: nowrap;
        white-space: nowrap;
        gap: 8px;
        justify-content: center;
        border-left: none;
        padding-left: 0;
        margin-left: 0;
    }
    .header .wrap > .nav-desktop .nav-partner-cabinet-tab {
        white-space: nowrap;
        flex-shrink: 0;
    }
    .header .wrap > .nav-desktop a,
    .header .wrap > .nav-desktop .header-account-id {
        flex-shrink: 0;
    }
    .header .wrap { min-height: 52px; }
}