:root{--bg-root: #08080c;--bg-panel: #0c0c14;--bg-card: #13131d;--bg-card-hover: #191928;--bg-input: #111118;--bg-button: #161621;--bg-button-hover: #1e1e2e;--bg-button-active: #252538;--bg-tool-active: #1a1a30;--bg-accent: #3a3a45;--bg-accent-hover: #4a4a58;--bg-accent-muted: rgba(255, 255, 255, .06);--bg-success: rgba(255, 255, 255, .08);--bg-warning: rgba(255, 255, 255, .08);--bg-danger: rgba(255, 100, 100, .15);--border-default: #2a2a35;--border-hover: #3a3a48;--border-active: #5a5a6a;--border-accent: rgba(255, 255, 255, .1);--text-primary: #e0e0e0;--text-secondary: #999999;--text-muted: #666666;--text-accent: #cccccc;--text-success: #66bb6a;--text-warning: #ffa726;--text-danger: #ef5350;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--font-sans: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", "Cascadia Code", "Fira Code", "Consolas", monospace;--text-xs: 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