:root {
    --bg-main: #0d1117;
    --bg-surface: #161b22;
    --border: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #6e7681;
    --accent: #5dcaa5;
    --accent-glow: rgba(93, 202, 165, 0.6);
}

body {
    background: var(--bg-main);
    color: var(--text-primary);
    transition: background 0.4s ease, color 0.4s ease;
}