:root{--space-1:0.25rem;--space-2:0.5rem;--space-3:0.75rem;--space-4:1rem;--space-5:1.5rem;--space-6:2rem;--space-8:3rem;--font-sans:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;--font-size-sm:0.8125rem;--font-size-base:0.9375rem;--font-size-lg:1.125rem;--font-size-xl:1.375rem;--font-size-2xl:1.75rem;--line-height:1.5;--colour-surface:#ffffff;--colour-surface-muted:#f4f5f7;--colour-surface-inverse:#10294a;--colour-border:#d8dce3;--colour-border-strong:#9aa3af;--colour-text:#1b1f24;--colour-text-muted:#55606e;--colour-text-inverse:#ffffff;--colour-accent:#123a6b;--colour-accent-hover:#0d2c53;--colour-accent-subtle:#e7edf6;--colour-danger:#8a1c1c;--colour-success:#1f5c35;--radius-sm:3px;--radius-md:6px;--shadow-overlay:0 8px 24px rgb(16 41 74/18%);--layout-topbar-height:3.5rem;--layout-sidebar-width:16rem;--layout-content-max-width:72rem;--focus-ring:3px solid var(--colour-accent);--tap-target-min:2.75rem}*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--colour-surface-muted);color:var(--colour-text);font-family:var(--font-sans);font-size:var(--font-size-base);line-height:var(--line-height)}h1{font-size:var(--font-size-2xl)}h2{font-size:var(--font-size-xl)}h3{font-size:var(--font-size-lg)}a{color:var(--colour-accent)}:focus-visible{outline:var(--focus-ring);outline-offset:2px}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;-webkit-clip-path:inset(50%);clip-path:inset(50%);white-space:nowrap;border:0}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}