:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-card: #1c2333;
    --bg-card-hover: #242d3d;
    --bg-input: #0d1117;
    --border: #30363d;
    --border-focus: #58a6ff;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --green: #3fb950;
    --yellow: #d29922;
    --cyan: #39d2c0;
    --red: #f85149;
    --orange: #d29922;
    --purple: #bc8cff;
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
    --radius: 8px;
    --transition: 0.2s ease;
}

.light-theme {
    --bg-primary: #f6f8fa;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f0f2f5;
    --bg-input: #ffffff;
    --border: #d0d7de;
    --border-focus: #0969da;
    --text-primary: #1f2328;
    --text-secondary: #656d76;
    --text-muted: #8b949e;
    --accent: #0969da;
    --accent-hover: #0550ae;
    --green: #1a7f37;
    --yellow: #9a6700;
    --cyan: #0969da;
    --red: #cf222e;
    --orange: #bd561d;
    --purple: #8250df;
    --shadow: 0 1px 3px rgba(31,35,40,0.12);
}