:root {
    --bg-color: #ffffff;
    --text-color: #333333;
    --accent-color: #2563eb;
    --code-bg: #f3f4f6;
    --max-width: 65ch;
}

.dolphin {
    background-color: #e0f7fa;
}

/* Modern Sans-Serif Stack */
body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    margin: 0;
    padding: 0;
}

/* Center content with nice spacing */
main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Typography */
h1, h2, h3, h4 {
    line-height: 1.2;
    margin-top: 2em;
    margin-bottom: 0.5em;
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1 { font-size: 2.25rem; margin-top: 1em; }
h2 { font-size: 1.75rem; border-bottom: 2px solid var(--code-bg); padding-bottom: 0.3rem; }
h3 { font-size: 1.5rem; }

a {
    color: var(--accent-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

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

/* Code Blocks */
pre {
    background: var(--code-bg);
    padding: 1rem;
    border-radius: 6px;
    overflow-x: auto;
    font-size: 0.9em;
}

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    background: var(--code-bg);
    padding: 0.2em 0.4em;
    border-radius: 4px;
}

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

/* Lists and Blockquotes */
blockquote {
    border-left: 4px solid var(--accent-color);
    margin: 1.5em 0;
    padding-left: 1em;
    font-style: italic;
    color: #555;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
}