:root {
    --bg: #0d1117;
    --card: #161b22;
    --accent: #58a6ff;
    --text: #c9d1d9;
    --code-bg: #010409;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    margin: 0;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

h1 { color: var(--accent); }

.code-section {
    background: var(--card);
    border: 1px solid #30363d;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    transition: transform 0.2s;
}

.code-section:hover {
    transform: scale(1.01);
}

code {
    display: block;
    background: var(--code-bg);
    padding: 10px;
    border-radius: 4px;
    color: #ff7b72;
    margin-bottom: 10px;
    overflow-x: auto;
}

.explanation {
    font-size: 0.95rem;
    color: #8b949e;
}

.highlight {
    color: var(--accent);
    font-weight: bold;
}
.github-button {
    /* Layout & Alignment */
    display: inline-flex;
    align-items: center;    /* Vertical center */
    justify-content: center; /* Horizontal center */
    gap: 8px;
    
    /* Dimensions & Spacing */
    min-width: 140px; /* Optional: ensures a consistent look */
    padding: 5px 16px;
    margin: 20px;
    
    /* Typography */
    color: #768390; /* GitHub Dark text color */
    font-size: 14px;
    font-weight: 500;
    line-height: 20px;
    text-decoration: none;
    
    /* Colors & Borders */
    background-color: #000308; /* Dark mode button surface */
    border: 1px solid rgba(205, 217, 229, 0.1);
    border-radius: 6px;
    
    /* Interaction */
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
}

.github-button svg {
    fill: #adbac7; /* Matches text color */
}

.github-button:hover {
    background-color: #010409; /* Lighter gray-blue on hover */
    border-color: #768390;
    color: #cdd9e5; /* Brightens text on hover */
}

.github-button:hover svg {
    fill: #cdd9e5;
}

.github-button:active {
    background-color: #3d444d;
    border-color: #636e7b;
}