/* resources/css/layout/_navbar.css
   顶部导航栏：面包屑 bar + desktop 导航链接 + mobile 汉堡按钮。
   来源：main.css 的 .anthology-breadcrumb-bar、.bc-nav、.bc-hamburger 段落。
   以 wiki.css 中同名规则为准（main.css 无冲突，wiki.css 中无同名规则，直接迁移）。
*/

/* ── Breadcrumb bar ── */
.anthology-breadcrumb-bar {
    background: rgba(255, 255, 255, 0.55);
    border-bottom: 1px solid var(--wp-border);
    padding: 0.5rem 0;
}

.anthology-breadcrumb-bar .bc-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.anthology-breadcrumb-bar .breadcrumb {
    margin: 0;
    font-size: 0.78rem;
    flex-shrink: 0;
}

.anthology-breadcrumb-bar .breadcrumb-item a {
    color: var(--wp-brand);
    text-decoration: none;
}

.anthology-breadcrumb-bar .breadcrumb-item.active {
    color: var(--wp-ink-muted);
}

.anthology-breadcrumb-bar .breadcrumb-item + .breadcrumb-item::before {
    color: var(--wp-ink-muted);
}

/* ── Hero 覆盖状态：breadcrumb bar 透明悬浮于 hero 之上 ── */
.hero-wrapper:has(.hero-section) .anthology-breadcrumb-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    background: transparent;
    border-bottom: none;
}

.hero-wrapper:has(.hero-section) .bc-nav li a {
    color: white;
}

.hero-wrapper:has(.hero-section) .bc-nav li a:hover {
    color: rgba(255, 255, 255, 0.75);
}

.hero-wrapper:has(.hero-section) .bc-hamburger {
    border-color: rgba(255, 255, 255, 0.6);
    color: white;
}

/* ── Desktop 导航链接 ── */
.bc-nav {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-shrink: 0;
}

.bc-nav li a {
    font-size: 0.82rem;
    color: var(--wp-ink-soft);
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.15s;
}

.bc-nav li a:hover {
    color: var(--wp-brand);
}

.bc-nav li a.active {
    color: var(--wp-brand);
    font-weight: 600;
}

/* ── 汉堡按钮（mobile） ── */
.bc-hamburger {
    display: none;
    background: none;
    border: 1px solid var(--wp-border);
    border-radius: 5px;
    padding: 4px 8px;
    cursor: pointer;
    color: var(--wp-ink-soft);
    line-height: 1;
}

.bc-hamburger:hover {
    border-color: var(--wp-brand);
    color: var(--wp-brand);
}

/* ── 响应式 ── */
@media (max-width: 640px) {
    .bc-nav {
        display: none;
    }

    .bc-hamburger {
        display: inline-flex;
        align-items: center;
    }
}