/* 自定义 CSS  */

/* ===== 移动端响应式导航栏 ===== */

/* 移动端标题 - 默认隐藏 */
.navbar-main .navbar-mobile-title {
    display: none;
}

/* 汉堡按钮 - 默认隐藏，移动端显示 */
.navbar-main .mobile-burger {
    display: none;
    cursor: pointer;
    padding: 0.5rem 0.75rem;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    margin-left: auto;
}

.navbar-main .mobile-burger span {
    display: block;
    width: 22px;
    height: 2px;
    background-color: currentColor;
    border-radius: 2px;
    transition: all 0.3s ease;
    transform-origin: center;
}

/* 汉堡按钮激活状态 (X 形) */
.navbar-main .mobile-burger.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.navbar-main .mobile-burger.is-active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.navbar-main .mobile-burger.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* 移动端菜单折叠 */
@media screen and (max-width: 768px) {
    /* 显示汉堡按钮 */
    .navbar-main .mobile-burger {
        display: flex;
    }

    /* 移动端标题：居中撑满 logo 和汉堡按钮之间 */
    .navbar-main .navbar-mobile-title {
        display: flex;
        flex: 1;
        align-items: center;
        justify-content: center;
        font-size: 1.15rem;
        font-weight: 600;
        letter-spacing: 0.02em;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        padding: 0 0.5rem;
        color: #000;
        pointer-events: none;
    }

    /* navbar-brand 两端对齐 */
    .navbar-main .navbar-brand {
        justify-content: space-between !important;
        width: 100%;
        padding: 0 0.5rem;
    }

    /* 移动端菜单默认隐藏，展开时显示 */
    .navbar-main .mobile-menu {
        display: none !important;
        width: 100%;
        flex-direction: column;
        padding: 0.5rem 0 1rem;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
    }

    .navbar-main .mobile-menu.is-active {
        display: flex !important;
    }

    /* 移动端菜单布局 */
    .navbar-main .mobile-menu .navbar-start,
    .navbar-main .mobile-menu .navbar-end {
        flex-direction: column;
        width: 100%;
        margin: 0;
        padding: 0;
    }

    .navbar-main .mobile-menu .navbar-item {
        padding: 0.75rem 1.25rem;
        width: 100%;
        justify-content: flex-start;
        border-radius: 0;
    }

    .navbar-main .mobile-menu .navbar-item:hover {
        background-color: rgba(0, 0, 0, 0.05);
    }

    /* 激活项样式 */
    .navbar-main .mobile-menu .navbar-item.is-active {
        font-weight: 600;
        color: var(--navbar-item-active-color, #3273dc);
        border-left: 3px solid var(--navbar-item-active-color, #3273dc);
        padding-left: calc(1.25rem - 3px);
    }

    /* 容器调整 */
    .navbar-main .navbar-container {
        flex-wrap: wrap;
        overflow-x: visible;
        padding: 0;
    }

    /* 搜索图标在移动端也显示 */
    .navbar-main .mobile-menu .navbar-end .navbar-item {
        padding: 0.75rem 1.25rem;
    }
}

/* cyberpunk 主题适配 */
/* cyberpunk navbar 背景色是黄色，文字是黑色，汉堡线条用黑色 */
body.is-cyberpunk .navbar-main .mobile-burger span,
.navbar-main .mobile-burger span {
    background-color: currentColor;
}

@media screen and (max-width: 768px) {
    /* cyberpunk 展开菜单背景与 navbar 保持一致 */
    .navbar-main .mobile-menu.is-active {
        background-color: inherit;
        border-top: 1px solid rgba(0, 0, 0, 0.1);
    }

    /* cyberpunk 激活菜单项 */
    .navbar-main .mobile-menu .navbar-item.is-active {
        border-left: 3px solid currentColor;
        padding-left: calc(1.25rem - 3px);
        font-weight: 700;
    }

    /* navbar 高度确保 brand 区域正确显示 */
    .navbar-main .navbar-container {
        min-height: 3.5rem;
    }
}