/* Global Variables & Reset */
:root, [data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f6f8fa;
    --bg-tertiary: #eaeef2;
    --text-primary: #1f2328;
    --text-secondary: #656d76;
    --text-tertiary: #8b949e;
    --border-primary: #d0d7de;
    --border-secondary: #e1e4e8;
    --accent: #0969da;
    --accent-hover: #0550ae;
    --accent-subtle: #ddf4ff;
    --success: #1a7f37;
    --warning: #9a6700;
    --danger: #cf222e;
    --code-bg: #f6f8fa;
    --shadow: 0 1px 0 rgba(27,31,36,0.04);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

[data-theme="dark"] {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-tertiary: #6e7681;
    --border-primary: #30363d;
    --border-secondary: #21262d;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --accent-subtle: #0c2d6b;
    --success: #3fb950;
    --warning: #d29922;
    --danger: #f85149;
    --code-bg: #161b22;
    --shadow: 0 1px 0 rgba(240,246,252,0.04);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

code {
    font-family: var(--font-mono);
    font-size: 0.9em;
}