:root {
    --color-bg: #0d1117;
    --color-bg-secondary: #161b22;
    --color-bg-tertiary: #21262d;
    --color-text: #c9d1d9;
    --color-text-secondary: #8b949e;
    --color-text-muted: #6e7681;
    --color-accent: #58a6ff;
    --color-accent-hover: var(--color-brand-strip);
    --color-brand-strip: #F4B900;
    --color-border: #30363d;
    --color-border-light: #21262d;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-serif: 'Merriweather', Georgia, serif;
    
    --max-width: 1200px;
    --content-width: 720px;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: clamp(10px, 1.2vw, 18px);
    height: 100vh;
    background: var(--color-brand-strip);
    box-shadow: 10px 0 24px rgba(244, 185, 0, 0.16);
    z-index: 30;
    pointer-events: none;
}

/* Navigation */
.main-nav {
    background-color: var(--color-bg-secondary);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    overflow: visible;
    transition: transform 0.24s ease, box-shadow 0.24s ease;
    will-change: transform;
}

.main-nav::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: clamp(10px, 1.2vw, 18px);
    height: 100%;
    background: var(--color-brand-strip);
    box-shadow: 10px 0 24px rgba(244, 185, 0, 0.16);
    pointer-events: none;
}

.main-nav::after {
    content: "";
    position: absolute;
    left: clamp(10px, 1.2vw, 18px);
    bottom: 0;
    width: calc(100% - clamp(10px, 1.2vw, 18px));
    height: 1px;
    background: var(--color-border);
    pointer-events: none;
}

body.nav-hidden .main-nav {
    transform: translateY(calc(-100% - 1px));
}

.main-nav .container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.logo:hover {
    color: var(--color-accent-hover);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: flex-end;
}

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background-color: transparent;
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s;
}

.nav-toggle:hover {
    border-color: var(--color-accent-hover);
    background-color: var(--color-bg-tertiary);
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 0;
    border-radius: 999px;
    background-color: var(--color-text);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle span + span {
    margin-top: 4px;
}

body.nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
}

body.nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
}

body.nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
}

.nav-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--color-accent-hover);
}

/* Main Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    width: 100%;
}

main.container {
    flex: 1;
    padding-top: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
}

/* Blog Header */
.blog-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    position: relative;
}

.blog-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.03em;
    display: inline-block;
}

.blog-header::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -1px;
    width: min(calc(100% - 3rem), 1100px);
    height: clamp(8px, 1.05vw, 14px);
    background: var(--color-brand-strip);
    box-shadow: 0 6px 20px rgba(244, 185, 0, 0.12);
    pointer-events: none;
    transform: translateX(-50%);
}

.tagline {
    color: var(--color-text-secondary);
    font-size: 1.125rem;
}

.active-filter {
    margin-top: var(--spacing-md);
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.active-filter strong {
    color: var(--color-text);
}

.clear-filter {
    margin-left: var(--spacing-sm);
    color: var(--color-accent);
    text-decoration: none;
}

.clear-filter:hover {
    color: var(--color-accent-hover);
}

/* Content Layout */
.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-2xl);
}

@media (max-width: 900px) {
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        order: 2;
    }
}

/* Posts List */
.posts-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

/* Post Card */
.post-card {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: border-color 0.2s, transform 0.2s;
}

.post-card:hover {
    border-color: var(--color-border-light);
}

.post-card h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.post-card h2 a {
    color: var(--color-text);
    text-decoration: none;
}

.post-card h2 a:hover {
    color: var(--color-accent-hover);
}

.post-meta {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.post-meta .separator {
    color: var(--color-text-muted);
}

.post-meta .tags a {
    color: var(--color-text-secondary);
    text-decoration: none;
}

.post-meta .tags a:hover {
    color: var(--color-accent);
}

.post-excerpt {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.post-excerpt p {
    margin: 0;
}

.read-more {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
}

.read-more:hover {
    color: var(--color-accent-hover);
}

/* Sidebar */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.widget {
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.widget h3 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.widget p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.about-widget {
    text-align: center;
}

.about-profile-image-wrap {
    width: clamp(132px, 62%, 188px);
    margin: 0 auto var(--spacing-lg);
    padding: 0.4rem;
    border-radius: 999px;
    background:
        radial-gradient(circle at top, rgba(244, 185, 0, 0.22), rgba(244, 185, 0, 0.02) 58%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow:
        0 16px 36px rgba(0, 0, 0, 0.24),
        0 0 0 1px rgba(255, 255, 255, 0.02) inset;
}

.about-profile-image {
    display: block;
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    object-fit: cover;
    object-position: center 18%;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
}

.about-widget p {
    text-align: left;
}

.widget-more {
    margin-top: var(--spacing-md);
}

.widget-more a {
    color: var(--color-accent);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
}

.widget-more a:hover {
    color: var(--color-accent-hover);
}

/* Tag Cloud */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.45rem 0.7rem;
}

.tag-cloud .tag {
    --tag-size: calc(0.85rem + (var(--tag-weight, 0.5) * 0.75rem));
    color: color-mix(in srgb, var(--color-text-secondary) 70%, var(--color-text) 30%);
    font-size: var(--tag-size);
    font-weight: calc(420 + (var(--tag-weight, 0.5) * 180));
    line-height: 1.1;
    text-decoration: none;
    transition: color 0.2s, transform 0.2s;
}

.tag-cloud .tag:hover {
    color: var(--color-accent-hover);
    transform: translateY(-1px);
}

.tag-cloud .tag.active {
    color: var(--color-brand-strip);
}

.tag-cloud .tag.active .count {
    opacity: 0.8;
}

.tag-cloud .count {
    opacity: 0.5;
    margin-left: 0.15em;
    font-size: 0.72em;
    vertical-align: middle;
}

.tag-cloud-large {
    gap: 0.7rem 1rem;
    margin-top: var(--spacing-lg);
}

.tag-cloud-large .tag {
    --tag-size: calc(0.95rem + (var(--tag-weight, 0.5) * 1.25rem));
}

/* Social Links */
.social-links {
    list-style: none;
}

.social-links li {
    margin-bottom: var(--spacing-xs);
}

.social-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
}

.social-links a:hover {
    color: var(--color-accent);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-lg);
}

.pagination a {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
}

.pagination a:hover {
    color: var(--color-accent-hover);
}

.pagination .page-info {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* Full Post View */
.post-full {
    max-width: var(--content-width);
    margin: 0 auto;
}

.post-full .post-header {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
}

.post-full h1 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.post-full .post-meta {
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
}

.post-full .post-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.post-full .post-tags .tag {
    background-color: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    text-decoration: none;
}

.post-full .post-tags .tag:hover {
    background-color: var(--color-accent);
    color: var(--color-bg);
}

.post-accent-bar {
    width: 100%;
    height: clamp(8px, 1.05vw, 14px);
    margin-top: var(--spacing-lg);
    background: var(--color-brand-strip);
    box-shadow: 0 6px 20px rgba(244, 185, 0, 0.12);
}

/* Post Content */
.post-content {
    font-family: var(--font-serif);
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text);
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4 {
    font-family: var(--font-sans);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.post-content h2 {
    font-size: 1.75rem;
    font-weight: 600;
}

.post-content h3 {
    font-size: 1.375rem;
    font-weight: 600;
}

.post-content p {
    margin-bottom: var(--spacing-lg);
}

.post-content a {
    color: var(--color-accent);
    text-decoration: none;
}

.post-content a:hover {
    text-decoration: underline;
}

.post-content ul,
.post-content ol {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-xl);
}

.post-content li {
    margin-bottom: var(--spacing-xs);
}

.post-content blockquote {
    border-left: 3px solid var(--color-accent);
    padding-left: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    color: var(--color-text-secondary);
    font-style: italic;
}

.post-content code {
    background-color: var(--color-bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 0.875em;
}

.post-content pre {
    background-color: var(--color-bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: var(--spacing-lg);
}

.post-content pre code {
    background: none;
    padding: 0;
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
}

.post-content hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--spacing-2xl) 0;
}

.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--spacing-xl);
    font-family: var(--font-sans);
    font-size: 0.95rem;
}

.post-content th,
.post-content td {
    padding: 0.85rem 1rem;
    border: 1px solid var(--color-border);
    text-align: left;
    vertical-align: top;
}

.post-content th {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.post-content tr:nth-child(even) td {
    background-color: rgba(255, 255, 255, 0.015);
}

.post-content strong + em,
.post-content h1 + p em {
    color: var(--color-text-secondary);
}

.resume-page {
    max-width: 860px;
}

.resume-header {
    margin-bottom: var(--spacing-xl);
}

.resume-kicker {
    margin-bottom: var(--spacing-sm);
    color: var(--color-brand-strip);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.resume-content > h1:first-child {
    display: none;
}

.resume-content > p:nth-of-type(1) {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-family: var(--font-sans);
    font-size: 1rem;
    font-style: italic;
}

.resume-content > p:nth-of-type(2) {
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 700;
}

.resume-content > p:nth-of-type(3) {
    margin-bottom: var(--spacing-xl);
    color: var(--color-text-muted);
    font-family: var(--font-sans);
    font-size: 0.95rem;
}

.resume-content h2 {
    margin-top: calc(var(--spacing-2xl) + 0.25rem);
}

.resume-content h3 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
    font-size: 1.15rem;
}

.resume-content h3 + p {
    margin-bottom: var(--spacing-md);
    font-family: var(--font-sans);
    font-size: 0.98rem;
    font-weight: 600;
    color: var(--color-text);
}

.resume-content li {
    color: var(--color-text-secondary);
}

.resume-content p {
    color: var(--color-text-secondary);
}

/* Post Footer */
.post-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.source-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
}

.source-link:hover {
    color: var(--color-accent);
}

.source-view {
    max-width: min(1040px, calc(100vw - 4rem));
}

.source-panel {
    position: relative;
    background-color: #0b1016;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

.source-code {
    margin: 0;
    padding: 2.9rem 0 0.45rem;
    overflow-x: auto;
    font-family: Consolas, 'SF Mono', Monaco, monospace;
    font-size: 0.88rem;
    line-height: 1.08;
    color: #d9e1ea;
    background: transparent;
    border-radius: 0;
}

.source-code code {
    display: block;
    min-width: 100%;
    line-height: inherit;
}

.source-line {
    display: grid;
    grid-template-columns: 4rem minmax(0, 1fr);
}

.source-line-number {
    color: #5a6572;
    text-align: right;
    padding: 0.02rem 0.9rem 0.02rem 0;
    user-select: none;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    line-height: 1.08;
}

.source-line-content {
    display: block;
    padding: 0.02rem 1.25rem;
    white-space: pre;
    line-height: 1.08;
}

.source-line-empty .source-line-number,
.source-line-empty .source-line-content {
    padding-top: 0;
    padding-bottom: 0;
    line-height: 0.45;
}

.copy-source-btn {
    position: absolute;
    top: 0.9rem;
    right: 1rem;
    z-index: 2;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(22, 27, 34, 0.92);
    color: var(--color-text-secondary);
    padding: 0.4rem 0.75rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s, background-color 0.2s;
}

.copy-source-btn:hover {
    color: var(--color-text);
    border-color: rgba(244, 185, 0, 0.4);
    background: rgba(33, 38, 45, 0.96);
}

.source-copy-buffer {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.md-rule,
.md-heading-mark,
.md-list-mark {
    color: #f4b900;
}

.md-heading-text {
    color: #f3f6fa;
    font-weight: 600;
}

.md-frontmatter-key {
    color: #79c0ff;
}

.md-frontmatter-value {
    color: #c9d1d9;
}

.md-inline-code {
    color: #7ee787;
}

.md-link {
    color: #d2a8ff;
}

.md-quote {
    color: #8b949e;
    font-style: italic;
}

/* Buttons */
.btn {
    display: inline-block;
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: background-color 0.2s, border-color 0.2s;
}

.btn:hover {
    background-color: var(--color-bg-tertiary);
    border-color: var(--color-accent);
    text-decoration: none;
}

/* Error Pages */
.error-404 {
    text-align: center;
    padding: var(--spacing-2xl) 0;
}

.error-404 h1 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.error-404 p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

.no-posts {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--color-text-secondary);
}

/* Footer */
.main-footer {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xl) 0;
    margin-top: auto;
}

.main-footer p {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.main-footer .built-with {
    margin-top: var(--spacing-xs);
    font-size: 0.8125rem;
}

/* Responsive */
@media (max-width: 600px) {
    body::before {
        width: 10px;
        box-shadow: 6px 0 18px rgba(244, 185, 0, 0.12);
    }

    .blog-header::after {
        width: calc(100% - 1.5rem);
        height: 8px;
        box-shadow:
            0 5px 16px rgba(244, 185, 0, 0.12),
            0 0 18px rgba(244, 185, 0, 0.07);
    }

    .blog-header h1 {
        font-size: 2rem;
    }
    
    .post-full h1 {
        font-size: 1.75rem;
    }
    
    .post-card {
        padding: var(--spacing-lg);
    }
    
    .post-card h2 {
        font-size: 1.25rem;
    }

    .post-content table,
    .post-content thead,
    .post-content tbody,
    .post-content th,
    .post-content td,
    .post-content tr {
        display: block;
    }

    .post-content thead {
        display: none;
    }

    .post-content tr {
        margin-bottom: var(--spacing-md);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        overflow: hidden;
    }

    .post-content td {
        border: none;
        border-bottom: 1px solid var(--color-border);
    }

    .post-content td:last-child {
        border-bottom: none;
    }
    
    .pagination {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

@media (max-width: 760px) {
    .main-nav .container {
        align-items: center;
        gap: var(--spacing-md);
        flex-wrap: wrap;
    }

    .nav-toggle {
        display: inline-flex;
        margin-left: auto;
    }

    .nav-links {
        display: none;
        width: 100%;
        padding-top: var(--spacing-sm);
        border-top: 1px solid var(--color-border);
        flex-direction: column;
        align-items: flex-start;
        gap: 0.9rem;
    }

    body.nav-open .nav-links {
        display: flex;
    }
}