:root {
    --bg-color: #f8f9fa;
    --surface-color: #ffffff;
    --text-main: #1a1a1a;
    --text-muted: #6c757d;
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --btn-primary-text: #ffffff;
    --border-color: #e5e7eb;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --transition-speed: 0.3s ease;
    --font-main: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

[data-theme="dark"] {
    --bg-color: #0a0a0a;
    --surface-color: #141414;
    --text-main: #ffffff;
    --text-muted: #a1a1aa;
    --primary-color: #facc15;
    --primary-hover: #eab308;
    --btn-primary-text: #0a0a0a;
    --border-color: #27272a;
    --card-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.95), 0 0 20px -2px rgba(250, 204, 21, 0.12);
}