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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    background-color: var(--main-bg-color);
    color: var(--main-text-color);
    padding: 20px;
    max-width: 800px;
    margin: 0 auto;
}

/* Dark Mode Color Variables */
body.dark-mode {
    --main-bg-color: #282828;
    --main-text-color: #ebdbb2;
    --header-bg-color: #bdae93;
    --headline-text-color: #83a598;
    --block-bg-color: #d3869b;
    --header-footer-text: #1d2021;
    --blog-title-shadow: #ebdbb2;
    --blog-subtitle-shadow: #ebdbb2;
    --code-bg: #3c3836;
    --link-color: #83a598;
    --link-hover: #b8bb26;
}

/* Back Link */
.back-link {
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.back-link a {
    color: var(--header-bg-color);
    text-decoration: none;
    border-bottom: none;
    transition: color 0.2s ease;
}

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

/* Typography */
h1 {
    color: var(--headline-text-color);
    font-size: 2rem;
    margin-bottom: 0.5rem;
    line-height: 1.3;
    word-wrap: break-word;
}

/* Byline */
.byline {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--header-bg-color);
    font-size: 0.9rem;
    color: var(--header-bg-color);
}

.byline .author {
    font-weight: 600;
}

.byline .date {
    font-style: italic;
}

h2 {
    color: var(--headline-text-color);
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

h3 {
    color: var(--headline-text-color);
    font-size: 1.2rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

p {
    margin-bottom: 1rem;
    word-wrap: break-word;
}

/* Links */
a {
    color: var(--link-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

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

/* Lists */
ul {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

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

pre code {
    background-color: transparent;
    padding: 0;
    font-size: 0.9rem;
    line-height: 1.5;
}

code {
    background-color: var(--code-bg);
    color: var(--block-bg-color);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9em;
    word-wrap: break-word;
}

/* Images and Figures */
figure {
    margin: 1.5rem 0;
    text-align: center;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 4px;
    border: 2px solid var(--header-bg-color);
}

figcaption {
    margin-top: 0.5rem;
    font-style: italic;
    color: var(--header-bg-color);
    font-size: 0.9rem;
}

/* Important Callout */
h3 strong {
    color: var(--block-bg-color);
}

h3 em {
    color: var(--main-text-color);
    font-style: italic;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    body {
        padding: 15px;
        font-size: 16px;
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.35rem;
    }
    
    h3 {
        font-size: 1.1rem;
    }
    
    pre {
        padding: 0.75rem;
        font-size: 0.85rem;
    }
    
    code {
        font-size: 0.85em;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
        font-size: 15px;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    h2 {
        font-size: 1.25rem;
    }
    
    h3 {
        font-size: 1rem;
    }
    
    pre {
        padding: 0.5rem;
        font-size: 0.8rem;
    }
    
    ul {
        padding-left: 1.25rem;
    }
}

/* Print Styles */
@media print {
    body {
        background-color: white;
        color: black;
    }
    
    a {
        color: blue;
        text-decoration: underline;
    }
    
    pre {
        border: 1px solid #ccc;
        page-break-inside: avoid;
    }
}