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

:root {
    --primary-color: #2563eb;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-color: #ffffff;
    --border-color: #e5e7eb;
    --code-bg: #f3f4f6;
    --link-color: #2563eb;
    --link-hover: #1d4ed8;
}

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);
    font-size: 16px;
}

/* Navigation */
.navbar {
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    text-decoration: none;
    margin-right: 2rem;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    flex-wrap: wrap;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Main Content */
.main-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 2rem;
    min-height: calc(100vh - 200px);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-color);
}

h1 {
    font-size: 2.5rem;
    margin-top: 0;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

/* Links */
a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* Lists */
ul, ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

li {
    margin-bottom: 0.5rem;
}

.link-list {
    list-style: none;
    margin-left: 0;
}

.link-list li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
}

.link-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--link-color);
}

/* Post Styles */
.post {
    max-width: 800px;
    margin: 0 auto;
}

.post-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.post-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    color: var(--text-light);
    font-size: 0.9rem;
}

.post-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    background-color: var(--code-bg);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--text-color);
}

.post-content {
    line-height: 1.8;
}

.post-content h2 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.post-content h3 {
    margin-top: 2rem;
}

.post-content img {
    max-width: 100%;
    height: auto;
    margin: 2rem 0;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.post-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1.5rem;
    margin: 1.5rem 0;
    color: var(--text-light);
    font-style: italic;
}

.post-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.post-nav {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
}

.post-nav-link {
    flex: 1;
    padding: 1rem;
    background-color: var(--code-bg);
    border-radius: 4px;
    transition: background-color 0.2s;
}

.post-nav-link:hover {
    background-color: var(--border-color);
    text-decoration: none;
}

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

/* Blog Index */
.blog-index {
    max-width: 800px;
}

.blog-intro {
    color: var(--text-light);
    margin-bottom: 2rem;
}

.post-list {
    list-style: none;
    margin-left: 0;
}

.post-item {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

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

.post-item h2 {
    margin-top: 0;
    margin-bottom: 0.5rem;
}

.post-item h2 a {
    color: var(--text-color);
}

.post-item h2 a:hover {
    color: var(--link-color);
}

.post-excerpt {
    color: var(--text-light);
    margin-top: 0.5rem;
}

/* Home Page */
.home section {
    margin-bottom: 3rem;
}

.intro h1 {
    margin-bottom: 1rem;
}

/* Projects Page */
.projects {
    max-width: 800px;
}

.project-list {
    margin-top: 2rem;
}

.project-item {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

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

.project-description {
    color: var(--text-light);
    margin: 1rem 0;
}

.project-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.project-link {
    padding: 0.5rem 1rem;
    background-color: var(--code-bg);
    border-radius: 4px;
    font-size: 0.9rem;
    transition: background-color 0.2s;
}

.project-link:hover {
    background-color: var(--border-color);
    text-decoration: none;
}

.projects-note {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    font-style: italic;
}

/* About Page */
.about {
    max-width: 800px;
}

.about ul {
    margin-left: 2rem;
    margin-top: 1rem;
}

/* Code Blocks */
pre {
    background-color: var(--code-bg);
    padding: 1.5rem;
    border-radius: 4px;
    overflow-x: auto;
    margin: 1.5rem 0;
    border: 1px solid var(--border-color);
}

code {
    font-family: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;
    font-size: 0.9em;
    background-color: var(--code-bg);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
}

pre code {
    background-color: transparent;
    padding: 0;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

th, td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    font-weight: 600;
    background-color: var(--code-bg);
}

/* Footer */
.footer {
    background-color: var(--code-bg);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
    color: var(--text-light);
    font-size: 0.9rem;
}

.footer-content p {
    margin-bottom: 0.5rem;
}

.footer-content a {
    color: var(--link-color);
}

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

    .nav-menu {
        margin-top: 1rem;
        gap: 1rem;
    }

    .main-content {
        padding: 2rem 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .post-title {
        font-size: 2rem;
    }

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

    .post-nav-link {
        text-align: left !important;
    }

    .project-links {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
    }

    h1 {
        font-size: 1.75rem;
    }

    .lead {
        font-size: 1.1rem;
    }
}