/**
 * B 端顶栏（由 js/admin-nav.js 注入 #box-admin-nav）
 */
:root {
    --admin-nav-bg: #fafafa;
    --admin-nav-border: #e8e8e8;
    --admin-nav-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    --admin-nav-primary: #1677ff;
    --admin-nav-danger: #ff4d4f;
    --admin-nav-danger-hover: #d9363e;
    --admin-nav-text: rgba(0, 0, 0, 0.88);
    --admin-nav-text-sec: rgba(0, 0, 0, 0.65);
    --admin-nav-muted-border: #d9d9d9;
}

#box-admin-nav.admin-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10050;
    height: 64px;
    box-sizing: border-box;
    background: var(--admin-nav-bg);
    border-bottom: 1px solid var(--admin-nav-border);
    box-shadow: var(--admin-nav-shadow);
    font-family: "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    color: var(--admin-nav-text);
}

#box-admin-nav .admin-nav__inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 16px;
}

#box-admin-nav .admin-nav__brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    text-decoration: none;
    color: inherit;
    padding: 4px 8px 4px 4px;
    margin-left: -4px;
    border-radius: 6px;
    transition: background-color 0.2s;
}

#box-admin-nav .admin-nav__brand:hover {
    background: rgba(22, 119, 255, 0.06);
}

#box-admin-nav .admin-nav__logo {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    object-fit: contain;
    background: #fff;
}

#box-admin-nav .admin-nav__title {
    font-weight: 600;
    font-size: 16px;
    white-space: nowrap;
}

#box-admin-nav .admin-nav__crumb {
    flex: 1;
    min-width: 0;
    padding: 0 8px;
    font-size: 14px;
    color: var(--admin-nav-text-sec);
}

#box-admin-nav .admin-nav__crumb a {
    color: var(--admin-nav-text-sec);
    text-decoration: none;
}

#box-admin-nav .admin-nav__crumb a:hover {
    color: var(--admin-nav-primary);
}

#box-admin-nav .admin-nav__crumb-sep {
    margin: 0 8px;
    color: var(--admin-nav-muted-border);
}

#box-admin-nav .admin-nav__crumb-current {
    color: var(--admin-nav-text);
    font-weight: 500;
}

#box-admin-nav .admin-nav__aux {
    max-width: min(360px, 28vw);
    font-size: 12px;
    color: var(--admin-nav-text-sec);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-shrink: 1;
}

#box-admin-nav .admin-nav__actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    flex-wrap: wrap;
}

#box-admin-nav .admin-nav__links {
    display: flex;
    align-items: center;
    gap: 8px 12px;
    flex-wrap: wrap;
}

#box-admin-nav .admin-nav__links a {
    color: var(--admin-nav-primary);
    text-decoration: none;
    font-size: 13px;
    white-space: nowrap;
}

#box-admin-nav .admin-nav__links a:hover {
    text-decoration: underline;
}

#box-admin-nav .admin-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 32px;
    padding: 0 14px;
    font-size: 14px;
    border-radius: 6px;
    cursor: pointer;
    border: 1px solid var(--admin-nav-muted-border);
    background: #fff;
    color: var(--admin-nav-text-sec);
    transition: border-color 0.2s, color 0.2s, background 0.2s;
    font-family: inherit;
}

#box-admin-nav .admin-btn .icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

#box-admin-nav .admin-btn--ghost:hover {
    border-color: var(--admin-nav-primary);
    color: var(--admin-nav-primary);
    background: rgba(22, 119, 255, 0.06);
}

#box-admin-nav .admin-btn--danger {
    border-color: var(--admin-nav-danger);
    background: var(--admin-nav-danger);
    color: #fff;
}

#box-admin-nav .admin-btn--danger:hover {
    background: var(--admin-nav-danger-hover);
    border-color: var(--admin-nav-danger-hover);
}

#box-admin-nav .admin-user {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 10px;
    border-radius: 6px;
    cursor: pointer;
    user-select: none;
    transition: background 0.2s;
}

#box-admin-nav .admin-user:hover {
    background: rgba(0, 0, 0, 0.04);
}

#box-admin-nav .admin-user__avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #e6f4ff;
    color: var(--admin-nav-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

#box-admin-nav .admin-user__name {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

#box-admin-nav .admin-user__caret {
    width: 14px;
    height: 14px;
    color: var(--admin-nav-text-sec);
}

#box-admin-nav .admin-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 200px;
    padding: 4px 0;
    background: #fff;
    border: 1px solid var(--admin-nav-border);
    border-radius: 8px;
    box-shadow: var(--admin-nav-shadow);
    list-style: none;
    margin: 0;
    font-size: 12px;
    line-height: 1.45;
}

#box-admin-nav .admin-dropdown[hidden] {
    display: none !important;
}

#box-admin-nav .admin-dropdown li {
    padding: 8px 14px;
    cursor: pointer;
    color: var(--admin-nav-text);
    transition: background 0.15s;
}

#box-admin-nav .admin-dropdown li:hover {
    background: #f5f5f5;
}

#box-admin-nav .admin-dropdown li > a {
    display: block;
    margin: -8px -14px;
    padding: 8px 14px;
    color: inherit;
    text-decoration: none;
}

#box-admin-nav .admin-dropdown li > a:hover {
    background: #f5f5f5;
}

#box-admin-nav .admin-dropdown li.is-divider {
    border-top: 1px solid var(--admin-nav-border);
    margin-top: 2px;
    padding-top: 10px;
}

html.admin-nav--padded body {
    padding-top: 64px;
}

@media (max-width: 767px) {
    #box-admin-nav .admin-nav__crumb {
        display: none;
    }
    #box-admin-nav .admin-nav__aux {
        display: none;
    }
    #box-admin-nav .admin-nav__btn-text {
        display: none;
    }
    #box-admin-nav .admin-btn--more {
        padding: 0 10px;
    }
}