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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 20px 40px;
}

.navbar {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.nav-links {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
    align-items: center;
}

.theme-toggle {
    background: none;
    border: 1px solid #ddd;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 18px;
}

.theme-toggle:hover {
    background-color: #f5f5f5;
    border-color: #ccc;
}

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

[data-theme="dark"] .theme-toggle .sun-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle .moon-icon {
    display: inline;
}

.nav-links a {
    color: #555;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: #0366d6;
    text-decoration: none;
}

.nav-links a.highlight {
    background-color: #0366d6;
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    font-weight: 500;
}

.nav-links a.highlight:hover {
    background-color: #0056b3;
}

.container {
    width: 100%;
}

header {
    margin-bottom: 60px;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #111;
}

.title {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 20px;
    font-weight: 400;
}

.bio {
    font-size: 1.1rem;
    color: #444;
    max-width: 600px;
}

.section {
    margin-bottom: 50px;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #111;
    border-bottom: 1px solid #eee;
    padding-bottom: 8px;
}

.work-item {
    margin-bottom: 30px;
    padding-left: 0;
}

.work-item h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #222;
}

.work-description {
    color: #555;
    margin-bottom: 8px;
}

.links {
    font-size: 0.95rem;
    color: #666;
}

a {
    color: #0366d6;
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: #0056b3;
    text-decoration: underline;
}

footer {
    margin-top: 60px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    color: #666;
    font-size: 0.9rem;
}

@media (max-width: 600px) {
    body {
        padding: 15px 15px 30px;
    }
    
    .nav-links {
        gap: 15px;
    }
    
    .nav-links a {
        font-size: 0.95rem;
    }
    
    .nav-links a.highlight {
        padding: 5px 10px;
        font-size: 0.9rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .title {
        font-size: 1.1rem;
    }
    
    h2 {
        font-size: 1.3rem;
    }
    
    .work-item h3 {
        font-size: 1.1rem;
    }
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg-color: #121212;
        --text-color: #e0e0e0;
        --heading-color: #ffffff;
        --border-color: #333;
        --link-color: #58a6ff;
        --link-hover-color: #79b8ff;
        --secondary-text: #bbbbbb;
        --muted-text: #cccccc;
        --faint-text: #aaaaaa;
        --footer-text: #888888;
        --btn-bg: #58a6ff;
        --btn-hover-bg: #79b8ff;
        --btn-color: #ffffff;
        --toggle-bg: #1e1e1e;
        --toggle-border: #444;
        --toggle-hover-bg: #2a2a2a;
    }
}

[data-theme="dark"] {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --heading-color: #ffffff;
    --border-color: #333;
    --link-color: #58a6ff;
    --link-hover-color: #79b8ff;
    --secondary-text: #bbbbbb;
    --muted-text: #cccccc;
    --faint-text: #aaaaaa;
    --footer-text: #888888;
    --btn-bg: #58a6ff;
    --btn-hover-bg: #79b8ff;
    --btn-color: #ffffff;
    --toggle-bg: #1e1e1e;
    --toggle-border: #444;
    --toggle-hover-bg: #2a2a2a;
}

[data-theme="light"] {
    --bg-color: #ffffff;
    --text-color: #333333;
    --heading-color: #111111;
    --border-color: #eeeeee;
    --link-color: #0366d6;
    --link-hover-color: #0056b3;
    --secondary-text: #666666;
    --muted-text: #555555;
    --faint-text: #666666;
    --footer-text: #888888;
    --btn-bg: #0366d6;
    --btn-hover-bg: #0056b3;
    --btn-color: #ffffff;
    --toggle-bg: #ffffff;
    --toggle-border: #dddddd;
    --toggle-hover-bg: #f5f5f5;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
}

h1, h2, h3 {
    color: var(--heading-color);
}

.navbar {
    border-bottom-color: var(--border-color);
}

.nav-links a {
    color: var(--secondary-text);
}

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

.nav-links a.highlight {
    background-color: var(--btn-bg);
    color: var(--btn-color);
}

.nav-links a.highlight:hover {
    background-color: var(--btn-hover-bg);
}

.title {
    color: var(--secondary-text);
}

.bio {
    color: var(--muted-text);
}

.work-description {
    color: var(--muted-text);
}

.links {
    color: var(--faint-text);
}

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

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

h2 {
    border-bottom-color: var(--border-color);
}

footer {
    border-top-color: var(--border-color);
    color: var(--footer-text);
}

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

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