* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Allow text selection in specific areas */
input,
textarea,
.article-content,
.article-content *,
.project-content,
.project-content * {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

:root {
    --text-color: #013440;
    --bg-color: #ffffff;
    --accent-color: #038C8C;
    --link-color: #038C8C;
    --link-hover: #076873;
    --border-color: rgba(3, 140, 140, 0.2);
    --quote-color: #076873;
    --secondary-text: #076873;
    --code-bg: #1a1a1a;
    --code-text: #e8e8e6;
}

/* Dark mode variables */
[data-theme="dark"] {
    --text-color: #E8E8E6;
    --bg-color: #0A0F14;
    --accent-color: #21A698;
    --link-color: #21A698;
    --link-hover: #2DD4BF;
    --border-color: rgba(33, 166, 152, 0.3);
    --quote-color: #2DD4BF;
    --secondary-text: #B8C5C9;
    --code-bg: #1A1F26;
    --code-text: #E8E8E6;
}


html {
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background-color: var(--bg-color);
    z-index: 100;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 21.2px;
    font-weight: bold;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    min-height: 32px;
    line-height: 1;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.logo a {
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
    gap: 12px;
    line-height: 1;
}

.logo-image {
    max-height: 72px;
    max-width: 270px;
    height: auto;
    width: auto;
    display: block;
    object-fit: contain;
}

.logo-text {
    display: inline-block;
    font-size: 21.2px;
}

nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
}

nav a {
    text-decoration: none;
    color: var(--text-color);
    text-transform: lowercase;
    font-size: 14px;
    transition: color 0.3s ease;
}

nav a:hover {
    color: var(--link-color);
}

/* Theme toggle button */
.theme-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.3s ease;
    width: 36px;
    height: 36px;
}

.theme-toggle:hover {
    background-color: var(--border-color);
    border-color: var(--accent-color);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
}

/* Hero Section */
.hero {
    padding: 60px 0;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    font-weight: 300;
    margin-bottom: 10px;
    letter-spacing: -1px;
    display: inline-block;
}

#typewriter {
    border-right: 2px solid;
    animation: blink-cursor 1s infinite;
}

@keyframes blink-cursor {
    0%, 50% {
        border-color: transparent;
    }
    51%, 100% {
        border-color: var(--text-color);
    }
}

.hero h2 {
    font-size: 18px;
    font-weight: 400;
    color: var(--secondary-text);
    text-transform: lowercase;
    margin-bottom: 20px;
}

.hero-description {
    max-width: 700px;
    margin: 0 auto;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-color);
    font-style: italic;
    text-align: left;
}

/* Sections */
section {
    padding: 60px 0;
}

section h3 {
    font-size: 32px;
    font-weight: 400;
    margin-bottom: 30px;
    text-transform: lowercase;
}

section p {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.8;
}

/* About Section */
.about {
    border-top: 1px solid var(--border-color);
}

blockquote {
    margin: 30px 0;
    padding-left: 20px;
    border-left: 3px solid var(--accent-color);
    font-style: italic;
    color: var(--quote-color);
    font-size: 18px;
}

/* Projects Section */
.projects {
    border-top: 1px solid var(--border-color);
    position: relative;
}

.project {
    margin-bottom: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}

.project:last-of-type {
    border-bottom: none;
}

.project h4 {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 20px;
    text-transform: none;
}

.post-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 20px;
}

.post-header h4 {
    margin-bottom: 0;
    flex: 1;
}

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

.share-link-btn,
.share-linkedin-btn,
.translate-post-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: 12px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 0;
    text-transform: none;
    white-space: nowrap;
    width: 32px;
    height: 32px;
}

.share-link-btn:hover,
.share-linkedin-btn:hover,
.translate-post-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background-color: var(--bg-color);
}

.share-link-btn.copied {
    background-color: var(--accent-color);
    color: var(--bg-color);
    border-color: var(--accent-color);
}

.share-linkedin-btn:hover {
    background-color: #0077b5;
    color: var(--bg-color);
    border-color: #0077b5;
}

.translate-post-btn.active {
    background-color: var(--accent-color);
    color: var(--bg-color);
    border-color: var(--accent-color);
}

.share-link-btn:disabled,
.share-linkedin-btn:disabled,
.translate-post-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.share-link-btn svg,
.share-linkedin-btn svg,
.translate-post-btn svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.tech-stack {
    margin: 20px 0;
    font-size: 14px;
    color: var(--secondary-text);
    font-family: 'Courier New', monospace;
}

.project-links {
    margin-top: 20px;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.project-summary {
    color: var(--secondary-text);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 15px;
}

.project-links a {
    text-decoration: none;
    color: var(--link-color);
    font-size: 14px;
    transition: color 0.3s ease;
}

.project-links a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

.read-more-link {
    text-transform: lowercase;
    font-style: italic;
}

/* Project Detail Page */
.project-detail {
    padding: 60px 0;
    border-top: 1px solid var(--border-color);
}

.back-link {
    display: inline-block;
    margin-bottom: 30px;
    color: var(--link-color);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.project-header {
    margin-bottom: 40px;
}

.project-header h1 {
    font-size: 36px;
    font-weight: 400;
    margin-bottom: 20px;
    text-transform: none;
}

.project-content {
    font-size: 16px;
    line-height: 1.8;
}

.project-content p {
    margin-bottom: 20px;
}

.more-projects {
    margin-top: 40px;
    font-style: italic;
    color: var(--secondary-text);
}

.more-articles-link {
    margin-top: 40px;
    text-align: left;
    color: var(--text-color);
    font-size: 16px;
}

.more-articles-link a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.more-articles-link a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

/* Article Full Content */
.article-full {
    margin-bottom: 80px;
}

.article-content {
    margin-bottom: 20px;
}

.article-content p {
    margin-bottom: 20px;
}

/* Links within article content */
.article-content a,
.project-content a {
    color: var(--link-color);
    text-decoration: underline;
    text-decoration-color: rgba(3, 140, 140, 0.4);
    transition: all 0.3s ease;
}

.article-content a:hover,
.project-content a:hover {
    color: var(--link-hover);
    text-decoration-color: var(--link-hover);
}

/* Code blocks styling */
.article-content code,
.project-content code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    background-color: rgba(3, 140, 140, 0.1);
    color: var(--accent-color);
    padding: 2px 6px;
    border-radius: 3px;
}

/* Code block container */
.code-block-wrapper {
    position: relative;
    margin: 24px 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.code-block-header {
    display: none;
}

.code-block-actions {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 8px;
}

.code-block-btn {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #e8e8e6;
    cursor: pointer;
    padding: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    border-radius: 6px;
    width: 32px;
    height: 32px;
}

.code-block-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.code-block-btn svg {
    width: 16px;
    height: 16px;
}

.code-block-btn.copied {
    background-color: #21A698;
    color: #ffffff;
    border-color: #21A698;
}

.article-content pre,
.project-content pre {
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    line-height: 1.6;
    background-color: var(--code-bg);
    border: none;
    color: var(--code-text);
    padding: 48px 20px 20px 20px;
    margin: 0;
    overflow-x: auto;
    border-radius: 8px;
}


.article-content pre code,
.project-content pre code {
    background-color: transparent;
    padding: 0;
    color: inherit;
    border-radius: 0;
    font-size: inherit;
}

/* Ensure syntax highlighting works in code blocks */
.article-content pre.chroma,
.project-content pre.chroma {
    background-color: var(--code-bg) !important;
}

.article-content pre code.chroma,
.project-content pre code.chroma {
    background-color: transparent !important;
}

/* Code inline styling is defined above in .article-content code, .project-content code */

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.pagination-link {
    color: var(--link-color);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.pagination-link:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

.pagination-info {
    color: var(--secondary-text);
    font-size: 14px;
}

/* Contact Section */
.contact {
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.contact-link {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 30px;
    background-color: var(--accent-color);
    color: var(--bg-color);
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s ease;
    text-transform: uppercase;
    font-size: 14px;
    letter-spacing: 1px;
}

.contact-link:hover {
    background-color: var(--link-hover);
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.social-icon {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-icon:hover {
    color: var(--link-color);
}

.social-icon-img {
    width: 50px;
    height: 50px;
    display: block;
    object-fit: contain;
}

/* Disable image dragging and selection */
img {
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    user-drag: none;
    pointer-events: none;
    -webkit-touch-callout: none;
}


/* Interests Section */
.interests {
    border-top: 1px solid var(--border-color);
    padding: 60px 0;
}

.interests-content {
    font-size: 16px;
    line-height: 1.8;
}

.interests-content h1 {
    font-size: 32px;
    font-weight: 400;
    margin-bottom: 30px;
    text-transform: lowercase;
}

.interests-content h2 {
    font-size: 24px;
    font-weight: 500;
    margin-top: 40px;
    margin-bottom: 20px;
}

.interests-content p {
    margin-bottom: 20px;
}

/* Interests and Contact Preview Sections */
.interests-preview,
.contact-preview {
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
}

.section-summary {
    color: var(--secondary-text);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 15px;
}

.inline-link {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.inline-link:hover {
    color: var(--link-hover);
    text-decoration: underline;
}


/* Main content area */
main {
    flex: 1 0 auto;
}

/* Footer */
footer {
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--secondary-text);
    font-size: 14px;
    flex-shrink: 0;
    margin-top: auto;
    position: relative;
}

footer .container {
    position: relative;
}

.powered-by {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--secondary-text);
}

.powered-by-text {
    opacity: 0.7;
}

.hugo-logo {
    height: 20px;
    width: auto;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.powered-by a:hover .hugo-logo {
    opacity: 1;
}

@media (max-width: 768px) {
    .powered-by {
        position: static;
        transform: none;
        justify-content: center;
        margin-top: 15px;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }

    .hero h2 {
        font-size: 16px;
    }

    section h3 {
        font-size: 28px;
    }

    nav ul {
        gap: 15px;
        flex-direction: row;
        justify-content: center;
    }

    nav a {
        font-size: 12px;
    }

    .container {
        padding: 0 15px;
    }
    
    header .container {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    
    nav {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    header .container {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    
    .logo {
        font-size: 18px;
        flex-shrink: 0;
    }
    
    .logo-image {
        max-height: 48px;
        max-width: 180px;
    }

    nav {
        width: 100%;
        justify-content: center;
    }

    nav ul {
        flex-direction: row;
        gap: 12px;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    nav a {
        font-size: 11px;
    }
    
    .theme-toggle {
        width: 32px;
        height: 32px;
        padding: 6px;
    }

    .hero {
        padding: 40px 0;
    }

    .hero h1 {
        font-size: 28px;
    }

    section {
        padding: 40px 0;
    }
}

/* Posts Filters */
.filters-container {
    margin-bottom: 30px;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.filters-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    margin-bottom: 12px;
}

.filters-row:last-child {
    margin-bottom: 0;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 0 0 auto;
}

.filter-group label {
    font-size: 12px;
    color: var(--secondary-text);
    text-transform: lowercase;
    font-weight: 500;
}

.filter-select {
    padding: 5px 10px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: 12px;
    font-family: inherit;
    border-radius: 0;
    transition: border-color 0.3s ease;
    width: auto;
    min-width: 150px;
    height: auto;
    box-sizing: border-box;
}

.filter-select:focus {
    outline: none;
    border-color: var(--accent-color);
}

.filter-tags {
    flex: 1;
    min-width: 100%;
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 4px;
}

.rest-tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 6px;
}

.toggle-rest-tags-btn {
    padding: 5px 10px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: 12px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 0;
    text-transform: none;
    margin-top: 6px;
    height: auto;
    min-width: 150px;
    box-sizing: border-box;
}

.toggle-rest-tags-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.tag-filter-btn {
    padding: 4px 10px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: 11px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 0;
    text-transform: none;
}

.tag-filter-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.tag-filter-btn.active {
    background-color: var(--accent-color);
    color: var(--bg-color);
    border-color: var(--accent-color);
}

.clear-filters-btn {
    padding: 5px 10px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: 12px;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 0;
    text-transform: lowercase;
}

.clear-filters-btn:hover {
    background-color: var(--accent-color);
    color: var(--bg-color);
    border-color: var(--accent-color);
}

.filter-count {
    font-size: 12px;
    color: var(--secondary-text);
    margin-left: auto;
}

.no-results {
    text-align: center;
    padding: 40px 20px;
    color: var(--secondary-text);
    font-style: italic;
}

.post-item {
    transition: opacity 0.3s ease;
}

.post-item[style*="display: none"] {
    display: none !important;
}

.tech-tag {
    display: inline-block;
    color: var(--secondary-text);
}

/* Dark mode specific adjustments for better contrast */
[data-theme="dark"] header {
    background-color: var(--bg-color);
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .read-more-link {
    color: var(--link-color);
}

[data-theme="dark"] .read-more-link:hover {
    color: var(--link-hover);
}

[data-theme="dark"] .pagination-link {
    color: var(--link-color);
    border-color: var(--border-color);
}

[data-theme="dark"] .pagination-link:hover {
    color: var(--link-hover);
    border-color: var(--accent-color);
}

[data-theme="dark"] .code-block-wrapper {
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] pre {
    background-color: var(--code-bg) !important;
    color: var(--code-text) !important;
}

[data-theme="dark"] code {
    color: var(--code-text) !important;
}

[data-theme="dark"] .code-block-btn {
    background: rgba(232, 232, 230, 0.1);
    border-color: rgba(232, 232, 230, 0.2);
    color: #E8E8E6;
}

[data-theme="dark"] .code-block-btn:hover {
    background: rgba(232, 232, 230, 0.2);
    border-color: var(--accent-color);
}

[data-theme="dark"] blockquote {
    border-left-color: var(--accent-color);
    background-color: rgba(33, 166, 152, 0.1);
    color: var(--quote-color);
}

[data-theme="dark"] .project,
[data-theme="dark"] article {
    border-color: var(--border-color);
}

[data-theme="dark"] .filter-select,
[data-theme="dark"] .clear-filters-btn {
    background-color: var(--code-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-theme="dark"] .filter-select:focus {
    border-color: var(--accent-color);
    outline-color: var(--accent-color);
}

[data-theme="dark"] .share-link-btn,
[data-theme="dark"] .share-linkedin-btn,
[data-theme="dark"] .translate-post-btn {
    background-color: var(--code-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-theme="dark"] .share-link-btn:hover,
[data-theme="dark"] .share-linkedin-btn:hover,
[data-theme="dark"] .translate-post-btn:hover {
    border-color: var(--accent-color);
    background-color: rgba(33, 166, 152, 0.1);
}

@media (max-width: 768px) {
    .filters-row {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group {
        width: 100%;
    }

    .filter-select {
        width: 100%;
        min-width: auto;
    }

    .filter-count {
        margin-left: 0;
        margin-top: 10px;
    }

    .clear-filters-btn {
        width: 100%;
    }
}


/* Mermaid diagrams are rendered SVG, not code: they sit on the page background
   rather than the code surface, which stays dark in both themes. */
pre.mermaid,
[data-theme="dark"] pre.mermaid {
    /* !important to match the [data-theme="dark"] pre rule above, which uses it. */
    background: transparent !important;
    border: none;
    padding: 0;
    margin: 2rem 0;
    text-align: center;
    overflow-x: auto;
}

pre.mermaid svg {
    max-width: 100%;
    height: auto;
}

/* Portrait alongside the about text, stacking on narrow screens. */
.about-layout {
    display: flex;
    gap: 32px;
    align-items: flex-start;
}

.about-photo {
    flex: 0 0 auto;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid var(--border-color);
}

.about-text {
    flex: 1 1 auto;
    min-width: 0;
}

.about-text > *:first-child {
    margin-top: 0;
}

@media (max-width: 768px) {
    .about-layout {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    .about-photo {
        width: 120px;
        height: 120px;
    }
}

/* TEMPORARY: dark mode disabled, so the toggle has nothing to switch. */
#theme-toggle {
    display: none;
}