:root{--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--mono: "SF Mono", "Cascadia Code", Consolas, monospace;--maxw: 1200px;--header-h: 56px;--radius: 10px;--radius-sm: 6px}:root[data-theme=light]{--bg: #ffffff;--bg-elevated: #ffffff;--surface: #f4f4f5;--surface-hover: #e4e4e7;--border: #e4e4e7;--border-strong: #d4d4d8;--fg: #18181b;--fg-secondary: #52525b;--muted: #a1a1aa;--accent: #18181b;--accent-hover: #27272a;--accent-fg: #ffffff;--danger: #dc2626;--danger-surface: #fef2f2;--success: #16a34a;--success-surface: #f0fdf4;--warning: #ca8a04;--warning-surface: #fefce8;--shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06)}:root[data-theme=dark]{--bg: #09090b;--bg-elevated: #18181b;--surface: #27272a;--surface-hover: #3f3f46;--border: #27272a;--border-strong: #3f3f46;--fg: #fafafa;--fg-secondary: #a1a1aa;--muted: #71717a;--accent: #fafafa;--accent-hover: #e4e4e7;--accent-fg: #09090b;--danger: #ef4444;--danger-surface: #450a0a;--success: 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