/* RA 布局样式 - 基于 Iatrode UI 库 */

/* 顶部导航容器 */
.top-nav-wrapper {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0.5rem 1rem;
    display: flex;
    justify-content: center;
}

/* 渐变磨玻璃背景层 */
.top-nav-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    mask: linear-gradient(180deg, black 0%, rgba(0, 0, 0, 0.8) 70%, rgba(0, 0, 0, 0.3) 90%, transparent 100%);
    -webkit-mask: linear-gradient(180deg, black 0%, rgba(0, 0, 0, 0.8) 70%, rgba(0, 0, 0, 0.3) 90%, transparent 100%);
    pointer-events: none;
    z-index: -1;
}

.top-nav-container {
    width: 100%;
    max-width: 1200px;
}

/* 使用 UI 库的 nav-tabs，只做最小化定制 */
.top-nav-wrapper .nav-tabs {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1rem;
}

/* 确保只有这三个元素参与grid布局 */
.top-nav-wrapper .nav-tabs> :not(.nav-logo-item):not(.nav-tabs-left):not(.nav-tabs-center):not(.nav-user-item) {
    display: none;
}

/* Logo 样式 - 在 tabs 内部左侧 */
.nav-logo-item {
    grid-column: 1;
    min-width: 104px;
}

.top-nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
    user-select: none;
    padding: 0.75rem 1.25rem;
    width: max-content;
}

.nav-nohome .nav-tabs-left {
    grid-column: 1;
    padding-left: .5rem;
}

.nav-tabs-left {
    grid-column: 2;
    display: flex;
    gap: 0.25rem;
}

.nav-tabs-left .nav-link {
    padding: 0 !important;
    background: var(--bg-tertiary);
}

/* 中间导航按钮容器 */
.nav-tabs-center {
    grid-column: 2;
    display: flex;
    gap: 0.25rem;
    justify-content: center;
}

.nav-nohome .nav-tabs-center {
    grid-column: 2;
    display: block;
    margin: 0;
    width: 100%;
    justify-content: flex-start;
    display: flex;
    align-items: center;
}

.nav-nohome .nav-tabs-center h2{
    margin: 0;
}
/* 用户头像区域 - 在 tabs 内部右侧 */
.nav-user-item {
    grid-column: 3;
    display: flex;
    align-items: center;
    padding: 0.75rem 1.25rem;
    min-width: 104px;
    justify-content: flex-end;
}

/* 导航链接文字样式 */
.nav-tabs .nav-user-item:hover::before {
    opacity: 0 !important;
    animation: none !important;
}

.nav-tabs .nav-user-item:hover::after {
    opacity: 0 !important;
    animation: none !important;
}

/* 主内容区 */
main.container {
    max-width: 1200px;
    padding: 0 1.5rem 2rem 1.5rem;
    margin: 0 auto;
}

/* 页面头部样式 */
.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* 模板卡片样式 */
.template-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid var(--border-primary);
}

.template-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.template-card .card-title {
    color: var(--text-primary);
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.template-card .card-text {
    font-size: 0.9rem;
    line-height: 1.6;
}

/* 移动端优化 */
@media (max-width: 768px) {
    .top-nav-wrapper {
        padding: 0.5rem;
    }

    .top-nav-container {
        max-width: 100%;
    }

    /* 窄屏下减小logo和头像的padding */
    .top-nav-logo {
        padding: 0.75rem 0.5rem;
    }

    .nav-user-item {
        padding: 0.75rem 0.5rem;
    }

    /* 仅隐藏导航文字，保持其他布局不变 */
    .top-nav-wrapper .nav-link-text {
        display: none;
    }

    main.container {
        padding: 1rem;
    }
}

/* 覆盖UI库在600px以下的grid布局，保持3列布局 */
@media (max-width: 600px) {
    .top-nav-wrapper .nav-tabs:not(.nav-tabs-icon-only):not(.nav-tabs-vertical) {
        grid-template-columns: auto 1fr auto !important;
        gap: 0.5rem !important;
    }
}