@import url('cwiki-base.css');

.cwiki-layout {
    display: grid;
    grid-template-columns: 380px 1fr;
    grid-template-areas: 
        "search content"
        "nav content";
    gap: 2rem;
    align-items: start;
}

.search-section-wrapper {
    grid-area: search;
}

.content-section-wrapper {
    grid-area: content;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.nav-section-wrapper {
    grid-area: nav;
    position: sticky;
    top: 2rem;
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.nav-section-wrapper::-webkit-scrollbar {
    width: 6px;
}

.nav-section-wrapper::-webkit-scrollbar-track {
    background: transparent;
}

.nav-section-wrapper::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

/* ==================== 搜索组件 ==================== */
.search-section {
    margin-bottom: 1rem; /* 进一步减少距离 */
}

.search-section:last-child {
    margin-bottom: 0; /* 最后一个搜索框没有底部边距 */
}

.search-group {
    display: flex;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.search-group:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-input {
    flex: 1;
    padding: 1.5rem 1.75rem;
    border: none;
    outline: none;
    font-size: 1.5rem;
    background: white;
    color: var(--text-primary);
}

.search-input::placeholder {
    color: var(--text-muted);
    font-size: 1.375rem;
}

.search-btn {
    padding: 1.5rem 1.75rem;
    background: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 70px;
}

.search-btn:hover {
    background: var(--primary-hover);
}

.search-btn i {
    font-size: 1.5rem;
}

/* ==================== 搜索建议列表 ==================== */
.suggest-list {
    margin-top: 0.75rem;
    position: relative;
    z-index: 10;
}

.suggest-item {
    display: block;
    padding: 1.25rem 1.75rem;
    background: white;
    border: 1px solid var(--border-color);
    border-top: none;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.5rem;
}

.suggest-item:first-child {
    border-top: 1px solid var(--border-color);
    border-top-left-radius: var(--border-radius-sm);
    border-top-right-radius: var(--border-radius-sm);
}

.suggest-item:last-child {
    border-bottom-left-radius: var(--border-radius-sm);
    border-bottom-right-radius: var(--border-radius-sm);
}

.suggest-item:hover {
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    transform: translateX(4px);
}

/* ==================== 导航区域 ==================== */
.nav-section {
    background: #f8fafc;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.nav-category {
    border-bottom: 1px solid var(--border-color);
}

.nav-category:last-child {
    border-bottom: none;
}

.nav-title {
    font-size: 1.75rem !important;
    font-weight: 600 !important;
    margin: 0 !important;
    color: var(--text-primary) !important;
    display: flex !important;
    align-items: center !important;
}

.nav-title::before {
    content: '' !important;
    width: 4px !important;
    height: 24px !important;
    background: var(--primary-color) !important;
    border-radius: 2px !important;
    margin-right: 0.75rem !important;
}

.nav-links {
    padding: 0;
    gap: 0;
}

/* 单个占满整行的导航链接 */
.nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.75rem 2.25rem;
    color: var(--text-primary);
    text-decoration: none;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    transition: var(--transition);
    background: white;
    position: relative;
    width: 100%;
    box-sizing: border-box;
}

.nav-link:last-child {
    border-bottom: none;
}

.nav-link:hover {
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    transform: translateX(4px);
    z-index: 1;
}

.nav-link span {
    font-size: 1.5rem;
    font-weight: 500;
}

.nav-arrow {
    font-size: 1.5rem;
    font-weight: bold;
    opacity: 0.7;
    transition: var(--transition);
}

.nav-link:hover .nav-arrow {
    opacity: 1;
    transform: translateX(2px);
}

/* 一行两个的导航链接容器 */
.nav-link-row {
    display: flex;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    margin: 0; /* 移除外边距 */
    width: 100%; /* 确保容器占满宽度 */
}

.nav-link-row:last-child {
    border-bottom: none;
}

/* 一行两个的导航链接，各占一半 */
.nav-link-half {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.75rem 2.25rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
    background: white;
    position: relative;
    border-right: 1px solid rgba(226, 232, 240, 0.5);
    border-bottom: none;
    margin: 0;
    box-sizing: border-box;
    min-width: 0; /* 防止flex项目收缩问题 */
}

.nav-link-half:last-child {
    border-right: none;
}

.nav-link-half:hover {
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    transform: translateX(4px);
    z-index: 1;
}

.nav-link-half span {
    font-size: 1.5rem;
    font-weight: 500;
}

.nav-link-half .nav-arrow {
    font-size: 1.5rem;
    font-weight: bold;
    opacity: 0.7;
    transition: var(--transition);
}

.nav-link-half:hover .nav-arrow {
    opacity: 1;
    transform: translateX(2px);
}

/* ==================== 文章列表 ==================== */
.article-list {
    max-height: 500px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.article-list::-webkit-scrollbar {
    width: 6px;
}

.article-list::-webkit-scrollbar-track {
    background: transparent;
}

.article-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.article-item {
    display: block;
    padding: 1rem 1.375rem;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
    background: white;
    box-sizing: border-box;
    min-height: 70px;
}

.article-item:last-child {
    border-bottom: none;
}

.article-item:hover {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    text-decoration: none;
    transform: translateX(4px);
}

.article-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    min-height: 36px;
}

.article-info {
    flex: 1;
    overflow: hidden;
}

.article-title {
    display: block;
    font-size: 1.5rem;
    font-weight: 500;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.course-number {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--text-secondary);
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    background: #f1f5f9;
    padding: 0.5rem 0.875rem;
    border-radius: 6px;
    flex-shrink: 0;
}

.article-item:hover .course-number {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
}

/* ==================== 评论列表 ==================== */
.comment-list {
    max-height: 500px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.comment-item {
    display: block;
    padding: 1.5rem 1.375rem;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
    background: white;
    box-sizing: border-box;
}

.comment-item:last-child {
    border-bottom: none;
}

.comment-item:hover {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    text-decoration: none;
    transform: translateX(4px);
}

.comment-content {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

.comment-text {
    font-size: 1.375rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.comment-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.comment-meta .article-title {
    flex: 1;
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
}

.comment-meta .course-number {
    font-size: 1.125rem;
    padding: 0.375rem 0.75rem;
}

.no-comments {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 2rem;
    color: var(--text-muted);
    font-size: 1.25rem;
    text-align: center;
    background: #f8fafc;
    border-radius: var(--border-radius-sm);
    border: 1px dashed var(--border-color);
}

.no-comments i {
    font-size: 1.5rem;
    color: var(--text-muted);
}

.comment-date {
    font-size: 0.8em;
    color: var(--text-muted) !important;
    font-weight: normal;
}

/* ==================== 加载动画 ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cwiki-card {
    animation: fadeInUp 0.4s ease-out;
}

.search-section-wrapper .cwiki-card {
    animation-delay: 0s;
}

.content-section-wrapper .cwiki-card:nth-child(1) {
    animation-delay: 0.1s;
}

.content-section-wrapper .cwiki-card:nth-child(2) {
    animation-delay: 0.2s;
}

.nav-section-wrapper .cwiki-card {
    animation-delay: 0.3s;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1200px) {
    .cwiki-layout {
        grid-template-columns: 350px 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 1024px) {
    .cwiki-layout {
        grid-template-columns: 320px 1fr;
        gap: 1.25rem;
    }
}

@media (max-width: 900px) {
    .cwiki-layout {
        grid-template-columns: 1fr;
        grid-template-areas: 
            "search"
            "content"
            "nav";
        gap: 1rem;
    }
    
    .nav-section-wrapper {
        position: static;
        max-height: none;
    }
}

@media (max-width: 768px) {
    .nav-link, .nav-link-half {
        padding: 1.5rem 1.75rem;
    }
    
    .nav-link span, .nav-link-half span {
        font-size: 1.25rem;
    }
    
    .nav-arrow {
        font-size: 1.25rem;
    }
    
    .search-input {
        font-size: 1.25rem;
        padding: 1.25rem 1.5rem;
    }
    
    .search-btn {
        padding: 1.25rem 1.5rem;
    }
    
    .search-btn i {
        font-size: 1.25rem;
    }
    
    .article-title {
        font-size: 1.25rem;
    }
    
    .comment-text {
        font-size: 1.125rem;
    }
    
    .no-comments {
        padding: 1.5rem;
        font-size: 1.125rem;
    }
    
    .comment-meta {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }
}

@media (max-width: 600px) {
    .search-input {
        font-size: 16px;
    }
    
    .article-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .course-number {
        align-self: flex-end;
    }
    
    .comment-meta .course-number {
        align-self: flex-end;
    }
}

@media (max-width: 400px) {
    .nav-link-row {
        flex-direction: column;
    }
    
    .nav-link-half {
        border-right: none;
        border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    }
    
    .nav-link-half:last-child {
        border-bottom: none;
    }
}