:root{--brand-primary: #dc2626;--brand-secondary: #991b1b;--brand-accent: #22c55e;--brand-warning: #f59e0b;--brand-dark: #0f172a;--brand-darker: #020617;--text-primary: #ffffff;--text-secondary: rgba(255, 255, 255, .7);--text-muted: rgba(255, 255, 255, .5);--border-color: rgba(255, 255, 255, .1);--card-bg: rgba(255, 255, 255, .05);--input-bg: rgba(255, 255, 255, .08);--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:JetBrains Mono,Fira Code,monospace;background:linear-gradient(135deg,var(--brand-dark) 0%,var(--brand-darker) 100%);color:var(--text-primary);min-height:100vh;line-height:1.6}a{color:var(--brand-accent);text-decoration:none}button{cursor:pointer;font-family:inherit}