:root{--bg-canvas: #fafaf7;--bg-surface: #ffffff;--bg-surface-2: #f4f4f0;--bg-elevated: #ffffff;--text-primary: #1a1a1a;--text-secondary: #5c5c5c;--text-tertiary: #8a8a8a;--text-on-accent: #ffffff;--border-subtle: #ececea;--border-strong: #d8d8d6;--border-focus: var(--accent);--accent: #2d5bff;--accent-hover: #1f47d6;--accent-tint: #eaf0ff;--success: #1f9d55;--warn: #c77700;--danger: #c0392b;--font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;--t-2xs: 11px;--t-xs: 13px;--t-sm: 14px;--t-md: 16px;--t-lg: 18px;--t-xl: 24px;--t-2xl: 32px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--space-8: 64px;--r-sm: 6px;--r-md: 10px;--r-lg: 14px;--r-xl: 20px;--r-pill: 9999px;--shadow-sm: 0 1px 2px rgba(20, 20, 20, .04);--shadow-md: 0 4px 12px rgba(20, 20, 20, .06), 0 1px 3px rgba(20, 20, 20, .04);--shadow-lg: 0 12px 32px rgba(20, 20, 20, .08), 0 4px 8px rgba(20, 20, 20, .04);--shadow-modal: 0 24px 64px rgba(20, 20, 20, .18);--ease-out: cubic-bezier(.22, 1, .36, 1);--ease-in: cubic-bezier(.55, 0, .7, .3);--ease-spring: cubic-bezier(.5, 1.6, .4, 1);--dur-fast: .12s;--dur-base: .2s;--dur-slow: .32s}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg-canvas);color:var(--text-primary);font-family:var(--font-sans);font-size:var(--t-md);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.01em}h1{font-size:var(--t-2xl);line-height:1.2}h2{font-size:var(--t-xl);line-height:1.3}h3{font-size:var(--t-lg);line-height:1.35}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;font-size:inherit}.stack{display:flex;flex-direction:column;gap:var(--space-4)}.row{display:flex;align-items:center;gap:var(--space-3)}.muted{color:var(--text-secondary)}.tiny{font-size:var(--t-xs);color:var(--text-tertiary)}