:root{--color-primary: #667eea;--color-primary-light: #764ba2;--color-primary-dark: #5a67d8;--color-bg-primary: #f8f9fa;--color-bg-secondary: #ffffff;--color-bg-tertiary: #f3f4f6;--color-bg-card: #ffffff;--color-bg-hover: rgba(102, 126, 234, .08);--color-text-primary: #2c3e50;--color-text-secondary: #6c757d;--color-text-tertiary: #adb5bd;--color-text-accent: var(--color-primary);--color-border-primary: #e9ecef;--color-border-secondary: #dee2e6;--color-border-active: var(--color-primary);--color-success: #22c55e;--color-error: #ef4444;--color-warning: #f59e0b;--color-info: #3b82f6;--font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", "Monaco", "Inconsolata", "Fira Code", monospace;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--font-size-5xl: 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