/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    color-scheme: light; /* was light dark */
    /* Light mode - Monochrome */
    --primary-color: #0a0a0a;
    --secondary-color: #2a2a2a;
    --text-color: #1a1a1a;
    --light-text: #5a5a5a;
    --border-color: #e0e0e0;
    --bg-color: #ffffff;
    --bg-light: #f8f8f8;
    --code-bg: #f5f5f5;
    --link-color: #0a0a0a;
    --link-hover: #4a4a4a;
    --accent: #3a3a3a;
}

/* Dark mode disabled – keeping block commented for reference:
@media (prefers-color-scheme: dark) {
    :root {
        --primary-color: #f5f5f5;
        --secondary-color: #d5d5d5;
        --text-color: #e5e5e5;
        --light-text: #9a9a9a;
        --border-color: #2a2a2a;
        --bg-color: #0a0a0a;
        --bg-light: #151515;
        --code-bg: #1a1a1a;
        --link-color: #f5f5f5;
        --link-hover: #b5b5b5;
        --accent: #c5c5c5;
    }
}
*/

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);
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

/* Header */
header {
    background-color: var(--bg-color);
    color: var(--primary-color);
    padding: 2.5rem 0;
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--border-color);
}

header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

header h1 a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

header h1 a:hover {
    color: var(--light-text);
}

header nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
}

header nav a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
    position: relative;
}

header nav a:hover {
    color: var(--light-text);
}

header nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--primary-color);
    transition: width 0.2s ease;
}

header nav a:hover::after {
    width: 100%;
}

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

/* Main Content */
main {
    min-height: 60vh;
    margin-bottom: 3rem;
}

/* Home Page */
.home .intro {
    margin-bottom: 3rem;
    padding: 2rem;
    background-color: var(--bg-light);
    border-radius: 2px;
    border-left: 2px solid var(--primary-color);
}

.home .intro h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.recent-posts h3 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

/* Post Summary */
.post-summary {
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--border-color);
}

.post-summary:last-child {
    border-bottom: none;
}

.post-summary h3,
.post-summary h4 {
    margin-bottom: 0.5rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.post-summary h3 a,
.post-summary h4 a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

.post-summary h3 a:hover,
.post-summary h4 a:hover {
    color: var(--light-text);
}

.post-meta {
    color: var(--light-text);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.post-meta time {
    display: inline-block;
}

.post-meta .author {
    font-style: italic;
}

/* Tags */
.tags {
    display: inline-flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    background-color: var(--bg-light);
    color: var(--text-color);
    padding: 0.25rem 0.75rem;
    border-radius: 2px;
    text-decoration: none;
    font-size: 0.8rem;
    transition: all 0.2s ease;
    border: 1px solid var(--border-color);
}

.tag:hover {
    background-color: var(--primary-color);
    color: var(--bg-color);
    border-color: var(--primary-color);
}

/* Single Post */
.post-single {
    max-width: 700px;
}

.post-header {
    margin-bottom: 2rem;
}

.post-header h1 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 2.5rem;
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.post-tags {
    margin-top: 1rem;
}

/* Post Content */
.post-content,
.page-content {
    font-size: 1.05rem;
    line-height: 1.7;
}

.post-content h2,
.post-content h3,
.post-content h4,
.page-content h2,
.page-content h3,
.page-content h4 {
    color: var(--primary-color);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.post-content h2,
.page-content h2 {
    font-size: 1.8rem;
}

.post-content h3,
.page-content h3 {
    font-size: 1.5rem;
}

.post-content p,
.page-content p {
    margin-bottom: 1.5rem;
}

.post-content a,
.page-content a {
    color: var(--link-color);
    text-decoration: underline;
    text-decoration-color: var(--border-color);
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
    transition: all 0.2s ease;
}

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

.post-content ul,
.post-content ol,
.page-content ul,
.page-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.post-content li,
.page-content li {
    margin-bottom: 0.5rem;
}

.post-content img,
.page-content img {
    max-width: 100%;
    height: auto;
    margin: 2rem 0;
    border-radius: 2px;
    border: 1px solid var(--border-color);
}

.post-content blockquote,
.page-content blockquote {
    border-left: 3px solid var(--primary-color);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--light-text);
}

.post-content code,
.page-content code {
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
    color: #1f2328; /* darker foreground for contrast */
}

.post-content pre,
.page-content pre {
    background-color: var(--code-bg);
    border: 1px solid var(--border-color);
}

.post-content pre code,
.page-content pre code {
    background-color: transparent;
    padding: 0;
    border: none;
}

/* Read More Link */
.read-more {
    color: var(--link-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    margin-top: 0.5rem;
    transition: color 0.2s ease;
    position: relative;
}

.read-more::after {
    content: ' →';
    transition: transform 0.2s ease;
    display: inline-block;
}

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

.read-more:hover::after {
    transform: translateX(4px);
}

/* Post Navigation */
.post-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    gap: 2rem;
}

.prev-post,
.next-post {
    flex: 1;
}

.next-post {
    text-align: right;
}

.nav-label {
    display: block;
    color: var(--light-text);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.post-navigation a {
    color: var(--link-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.post-navigation a:hover {
    color: var(--link-hover);
}

/* Footer */
footer {
    background-color: var(--bg-light);
    padding: 2rem 0;
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--light-text);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }

    header nav ul {
        margin-top: 1rem;
    }

    .post-header h1 {
        font-size: 2rem;
    }

    .post-navigation {
        flex-direction: column;
    }

    .next-post {
        text-align: left;
    }
}