/* 全局重置与基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    background-color: #fff;
    color: #333;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: #333;
    font-size: 13px;
    transition: color 0.2s;
}

a:hover {
    color: #315efb;
}

/* 顶部导航栏 */
.top-nav {
    width: 100%;
    background: #fff;
    border-bottom: 1px solid #f0f0f0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
    height: 60px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.nav-brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #4e6ef2, #6c8cff);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.nav-brand-text {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    letter-spacing: 0.5px;
}

.nav-brand:hover .nav-brand-text {
    color: #4e6ef2;
}

.nav-brand-img {
    max-height: 40px;
    width: auto;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 14px;
    color: #666;
    padding: 8px 14px;
    border-radius: 8px;
    transition: all 0.2s;
}

.nav-link:hover {
    color: #4e6ef2;
    background: #f5f7fa;
}

.nav-btn {
    background: #4e6ef2;
    color: white !important;
    padding: 8px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-btn:hover {
    background: #4662d9;
    color: white !important;
}

/* 主内容区 */
.container {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 24px;
    display: flex;
    gap: 30px;
}

/* 主内容 */
.main-content {
    flex: 1;
    min-width: 0;
}

.main-content h1 {
    font-size: 28px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #f0f0f0;
}

.markdown {
    font-size: 15px;
    line-height: 1.8;
    color: #333;
}

.markdown p {
    margin-bottom: 16px;
}

.markdown h2 {
    font-size: 22px;
    font-weight: bold;
    color: #333;
    margin: 24px 0 16px;
}

.markdown h3 {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin: 20px 0 12px;
}

.markdown ul,
.markdown ol {
    margin: 16px 0;
    padding-left: 24px;
}

.markdown li {
    margin-bottom: 8px;
}

.markdown blockquote {
    border-left: 4px solid #4e6ef2;
    padding: 12px 16px;
    margin: 16px 0;
    background: #f5f7fa;
    color: #666;
}

.markdown code {
    background: #f5f7fa;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: "Courier New", monospace;
    font-size: 13px;
    color: #4e6ef2;
}

.markdown pre {
    background: #f5f7fa;
    padding: 16px;
    border-radius: 6px;
    overflow-x: auto;
    margin: 16px 0;
}

.markdown pre code {
    background: transparent;
    padding: 0;
    color: #333;
}

.markdown img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 16px 0;
}

.markdown table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
}

.markdown th,
.markdown td {
    border: 1px solid #e5e7eb;
    padding: 10px 12px;
    text-align: left;
}

.markdown th {
    background: #f5f7fa;
    font-weight: bold;
}

.tip-box {
    margin-top: 30px;
    padding: 12px 16px;
    background: #f5f7fa;
    border-left: 4px solid #4e6ef2;
    color: #666;
    font-size: 13px;
}

/* 侧边栏 */
.sidebar {
    width: 280px;
    flex-shrink: 0;
}

.widget {
    background: #fff;
    border: 1px solid #f0f0f0;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.widget-title h3 {
    font-size: 16px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #f0f0f0;
}

.widget ol {
    list-style: none;
    padding: 0;
}

.widget li {
    padding: 10px 0;
    border-bottom: 1px solid #f5f5f5;
    font-size: 14px;
}

.widget li:last-child {
    border-bottom: none;
}

.widget li a {
    color: #333;
    display: block;
    margin-bottom: 4px;
}

.widget li a:hover {
    color: #315efb;
}

.widget li .source {
    display: block;
    font-size: 12px;
    color: #999;
}

.widget li .views {
    font-size: 12px;
    color: #999;
    margin-left: 8px;
}

/* 评论区 */
.comment-container {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #f0f0f0;
}

.comment-container h3 {
    font-size: 20px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
}

.comment-post-box {
    margin-bottom: 30px;
}

.comment-user-inputs {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.input-group {
    flex: 1;
}

.input-control,
.textarea-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #c4cfe0;
    border-radius: 6px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
    font-family: inherit;
}

.input-control:focus,
.textarea-control:focus {
    border-color: #4e6ef2;
}

.textarea-control {
    min-height: 100px;
    resize: vertical;
}

.comment-footer-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
}

.captcha-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
}

.captcha-wrapper input {
    width: 120px;
    padding: 8px 12px;
    border: 1px solid #c4cfe0;
    border-radius: 6px;
    font-size: 14px;
    outline: none;
}

.captcha-wrapper input:focus {
    border-color: #4e6ef2;
}

.captcha-wrapper img {
    height: 36px;
    border-radius: 4px;
    cursor: pointer;
}

.btn-submit {
    padding: 10px 24px;
    background: #4e6ef2;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-submit:hover {
    background: #4662d9;
}

.cancel-reply-btn {
    font-size: 13px;
    color: #999;
    cursor: pointer;
    margin-left: 12px;
}

.cancel-reply-btn:hover {
    color: #315efb;
}

.comment-list {
    margin-top: 20px;
}

.comment-entry {
    display: flex;
    gap: 12px;
    padding: 16px;
    background: #f5f7fa;
    border-radius: 8px;
    margin-bottom: 16px;
}

.comment-avatar img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.comment-body {
    flex: 1;
}

.comment-header-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.comment-author {
    font-size: 14px;
    font-weight: bold;
    color: #333;
}

.comment-date {
    font-size: 12px;
    color: #999;
}

.comment-content-text {
    font-size: 14px;
    line-height: 1.6;
    color: #333;
}

.comment-actions {
    margin-top: 8px;
}

.comment-reply-link {
    font-size: 12px;
    color: #4e6ef2;
    cursor: pointer;
}

.comment-reply-link:hover {
    color: #315efb;
}

.comment-child {
    margin-left: 52px;
    margin-top: 12px;
}

.comment-child .comment-entry {
    background: #fff;
    border: 1px solid #f0f0f0;
}

/* 页脚 */
.blog-footer {
    width: 100%;
    padding: 20px 0;
    text-align: center;
    font-size: 12px;
    color: #999;
    border-top: 1px solid #f0f0f0;
    margin-top: auto;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 暗色模式切换按钮 */
.theme-toggle {
    background: none;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    cursor: pointer;
    padding: 5px 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    transition: all 0.2s;
}

.theme-toggle:hover {
    border-color: #4e6ef2;
    color: #4e6ef2;
}

.theme-toggle .icon-moon {
    display: none;
}

body.dark .theme-toggle .icon-sun {
    display: none;
}

body.dark .theme-toggle .icon-moon {
    display: block;
}

/* 暗色模式样式 */
body.dark {
    background-color: #1e2030;
    color: #d0d2e0;
}

body.dark .top-nav {
    background: #252840;
    border-bottom-color: #32365a;
}

body.dark .nav-brand-text {
    color: #d0d2e0;
}

body.dark .nav-brand:hover .nav-brand-text {
    color: #7b93f5;
}

body.dark .nav-brand-icon {
    background: linear-gradient(135deg, #5a78f5, #7b93f5);
}

body.dark .nav-link {
    color: #a0a4c0;
}

body.dark .nav-link:hover {
    color: #7b93f5;
    background: rgba(90, 120, 245, 0.08);
}

body.dark .nav-btn {
    background: #5a78f5;
}

body.dark .theme-toggle {
    border-color: #3a3e60;
    color: #a0a4c0;
}

body.dark .theme-toggle:hover {
    border-color: #7b93f5;
    color: #7b93f5;
}

body.dark .main-content h1 {
    color: #d0d2e0;
    border-bottom-color: #32365a;
}

body.dark .markdown {
    color: #b0b4cc;
}

body.dark .markdown h2,
body.dark .markdown h3 {
    color: #d0d2e0;
}

body.dark .markdown a {
    color: #7b93f5;
}

body.dark .markdown blockquote {
    background: #252840;
    border-left-color: #5a78f5;
    color: #8a8eaa;
}

body.dark .markdown code {
    background: #2d3050;
    color: #7b93f5;
}

body.dark .markdown pre {
    background: #252840;
}

body.dark .markdown pre code {
    color: #b0b4cc;
}

body.dark .markdown th {
    background: #252840;
    color: #d0d2e0;
}

body.dark .markdown td {
    border-color: #32365a;
    color: #b0b4cc;
}

body.dark .markdown th {
    border-color: #32365a;
}

body.dark .tip-box {
    background: #252840;
    border-left-color: #5a78f5;
    color: #8a8eaa;
}

body.dark .widget {
    background: #252840;
    border-color: #32365a;
}

body.dark .widget-title h3 {
    color: #d0d2e0;
    border-bottom-color: #32365a;
}

body.dark .widget li {
    border-bottom-color: #32365a;
}

body.dark .widget li a {
    color: #a0a4c0;
}

body.dark .widget li a:hover {
    color: #7b93f5;
}

body.dark .widget li .source,
body.dark .widget li .views {
    color: #7a7e9a;
}

body.dark .comment-container {
    border-top-color: #32365a;
}

body.dark .comment-container h3 {
    color: #d0d2e0;
}

body.dark .input-control,
body.dark .textarea-control {
    background: #1e2030;
    border-color: #3a3e60;
    color: #d0d2e0;
}

body.dark .input-control:focus,
body.dark .textarea-control:focus {
    border-color: #5a78f5;
}

body.dark .captcha-wrapper input {
    background: #1e2030;
    border-color: #3a3e60;
    color: #d0d2e0;
}

body.dark .comment-entry {
    background: #252840;
}

body.dark .comment-child .comment-entry {
    background: #1e2030;
    border-color: #32365a;
}

body.dark .comment-author {
    color: #d0d2e0;
}

body.dark .comment-date {
    color: #7a7e9a;
}

body.dark .comment-content-text {
    color: #b0b4cc;
}

body.dark .comment-reply-link {
    color: #7b93f5;
}

body.dark .cancel-reply-btn {
    color: #7a7e9a;
}

body.dark .blog-footer {
    border-top-color: #32365a;
    color: #7a7e9a;
}

/* 响应式 */
@media (max-width: 900px) {
    .container {
        flex-direction: column;
        padding: 20px 16px;
        gap: 20px;
    }
    
    .sidebar {
        width: 100%;
    }
    
    .nav-inner {
        padding: 0 16px;
    }
}

@media (max-width: 768px) {
    .top-nav {
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-inner {
        height: 50px;
        padding: 0 12px;
    }
    
    .nav-brand-icon {
        width: 30px;
        height: 30px;
        border-radius: 8px;
    }
    
    .nav-brand-icon svg {
        width: 14px;
        height: 14px;
    }
    
    .nav-brand-text {
        font-size: 15px;
    }
    
    .nav-brand-img {
        max-height: 32px;
    }
    
    .nav-link {
        font-size: 13px;
        padding: 6px 10px;
    }
    
    .nav-link svg {
        width: 12px;
        height: 12px;
    }
    
    .nav-btn {
        padding: 6px 14px;
        font-size: 13px;
        border-radius: 6px;
    }
    
    .container {
        padding: 16px 12px;
        gap: 16px;
    }
    
    .main-content h1 {
        font-size: 20px;
        margin-bottom: 14px;
        padding-bottom: 10px;
    }
    
    .markdown {
        font-size: 14px;
        line-height: 1.75;
    }
    
    .markdown h2 {
        font-size: 18px;
        margin: 18px 0 12px;
    }
    
    .markdown h3 {
        font-size: 16px;
        margin: 14px 0 10px;
    }
    
    .markdown img {
        border-radius: 4px;
        margin: 12px 0;
    }
    
    .tip-box {
        margin-top: 20px;
        padding: 10px 12px;
        font-size: 12px;
    }
    
    .comment-container {
        margin-top: 24px;
        padding-top: 20px;
    }
    
    .comment-container h3 {
        font-size: 16px;
        margin-bottom: 14px;
    }
    
    .comment-user-inputs {
        flex-direction: column;
        gap: 8px;
    }
    
    .comment-entry {
        padding: 12px;
        gap: 10px;
    }
    
    .comment-avatar img {
        width: 32px;
        height: 32px;
    }
    
    .comment-child {
        margin-left: 20px;
    }
    
    .widget {
        padding: 14px;
        margin-bottom: 14px;
    }
    
    .widget-title h3 {
        font-size: 14px;
        margin-bottom: 10px;
        padding-bottom: 8px;
    }
    
    .widget li {
        padding: 8px 0;
        font-size: 13px;
    }
}