/* Created by Gemini */

:root {
    --bg-color: #fdfdfd;
    --text-color: #333333;
    --text-light: #666666;
    --link-color: #0056b3;
    --link-hover: #003d82;
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-serif: Georgia, "Times New Roman", Times, serif;
    --max-width: 800px;
}

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

body {
    font-family: var(--font-serif);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    font-size: 18px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-header {
    background-color: #ffffff;
    border-bottom: 1px solid #eaeaea;
    padding: 1rem;
    font-family: var(--font-sans);
}

.header-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    padding: 0 1rem;
}

.site-title a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 1.5rem;
    font-weight: bold;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

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

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

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 100;
}

.hamburger .bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-color);
    transition: all 0.3s ease;
}

.content-wrapper {
    flex: 1;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 1rem;
    width: 100%;
}

.post-title {
    font-family: var(--font-sans);
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 0.5rem;
    color: #111;
}

.post-meta {
    font-family: var(--font-sans);
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.post-content h2,
.post-content h3 {
    font-family: var(--font-sans);
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: #111;
}

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

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

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

.post-content blockquote {
    border-left: 4px solid #eaeaea;
    padding-left: 1rem;
    margin-left: 0;
    margin-bottom: 1.5rem;
    color: var(--text-light);
    font-style: italic;
}

.site-footer {
    text-align: center;
    padding: 2rem 1rem;
    border-top: 1px solid #eaeaea;
    font-family: var(--font-sans);
    color: var(--text-light);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    body {
        font-size: 16px;
    }

    .hamburger {
        display: block;
    }

    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: #ffffff;
        border-bottom: 1px solid #eaeaea;
        padding: 1rem;
        display: none;
        flex-direction: column;
        box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

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