:root{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-tertiary: #f1f5f9;--bg-card: rgba(255, 255, 255, .9);--bg-card-hover: rgba(255, 255, 255, 1);--accent-primary: #0ea5e9;--accent-secondary: #06b6d4;--accent-gradient: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);--accent-light: rgba(14, 165, 233, .1);--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--diff-add-bg: rgba(34, 197, 94, .15);--diff-add-text: #16a34a;--diff-remove-bg: rgba(239, 68, 68, .15);--diff-remove-text: #dc2626;--success: #16a34a;--error: #dc2626;--warning: #f59e0b;--border-color: rgba(0, 0, 0, .08);--border-focus: rgba(14, 165, 233, .5);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .12);--shadow-glow: 0 0 20px rgba(14, 165, 233, .15);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira 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