:root{--fs-2xs: 9px;--fs-xs: 10px;--fs-sm: 11px;--fs-base: 11px;--fs-md: 12px;--fs-lg: 13px;--fs-xl: 15px;--fs-2xl: 18px;--fs-3xl: 22px;--fs-4xl: 26px;--fw-regular: 400;--fw-medium: 500;--fw-semibold: 600;--fw-bold: 700;--lh-tight: 1.2;--lh-snug: 1.35;--lh-base: 1.5;--font-sans: "Manrope", "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;--font-mono: "Roboto Mono", "SF Mono", ui-monospace, monospace;--space-1: 4px;--space-2: 6px;--space-3: 10px;--space-4: 13px;--space-5: 16px;--space-6: 20px;--space-7: 26px;--space-8: 36px;--space-9: 48px;--radius-sm: 6px;--radius: 8px;--radius-md: 10px;--radius-lg: 12px;--radius-xl: 16px;--radius-pill: 999px;--shadow-xs: 0 1px 2px rgba(15,23,42,.04);--shadow-card: 0 1px 2px rgba(15,23,42,.04), 0 8px 24px rgba(15,23,42,.04);--shadow-card-hover: 0 1px 3px rgba(15,23,42,.06), 0 12px 32px rgba(15,23,42,.08);--shadow-focus: 0 0 0 3px rgba(37,99,235,.16);--text-primary: #0B1220;--text-secondary: #4B5563;--text-tertiary: #6B7280;--text-quiet: #9AA3AF;--text-inverse: #FFFFFF;--surface-app: #FAFBFC;--surface-card: #FFFFFF;--surface-sunken: #F4F6F9;--surface-quiet: #F8FAFC;--border-hairline: rgba(15,23,42,.06);--border-strong: rgba(15,23,42,.1);--color-border-strong: #CBD5E1;--color-primary: #2563EB;--color-primary-hover: #1D4ED8;--color-primary-weak: #EEF4FF;--brand-grad-1: #0F2A6B;--brand-grad-2: #163E9E;--color-success: #16A34A;--color-success-weak: #DCFCE7;--color-warning: #F59E0B;--color-danger: #DC2626;--color-danger-weak: #FEE2E2;--control-h: 28px;--control-radius: var(--radius);--control-fs: var(--fs-sm);--nav-h: 44px;--nav-bg: #FFFFFF;--nav-border: var(--border-hairline);--ease-out: cubic-bezier(.22, 1, .36, 1);--motion-fast: .12s;--motion-base: .18s}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:var(--font-sans);font-size:var(--fs-md);line-height:var(--lh-base);background:var(--surface-app);color:var(--text-primary);-webkit-font-smoothing:antialiased}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}