*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--accent: #2563eb;--accent-light: #bfdbfe;--accent-dim: #eff6ff;--surface: #fff;--surface-alt: #fafafa;--border: #e5e7eb;--text: #111827;--text-secondary: #6b7280;--text-muted: #9ca3af;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow: 0 1px 3px rgba(0, 0, 0, .06);--radius: 14px;--radius-sm: 10px;--font: "Geist", -apple-system, BlinkMacSystemFont, sans-serif}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font);color:var(--text);background:#eff6ff;background-image:radial-gradient(circle at 30% 5%,rgba(37,99,235,.04) 0%,transparent 50%),radial-gradient(circle at 70% 95%,rgba(37,99,235,.03) 0%,transparent 50%);line-height:1.6;-webkit-font-smoothing:antialiased}button{font-family:var(--font);cursor:pointer;transition:all .15s ease}input[type=range]{accent-color:var(--accent)}