:root,[data-theme=light]{color-scheme:light;--color-bg:#eef1f6;--color-bg-accent:#e4e9f2;--color-surface:#fff;--color-surface-muted:#f5f7fa;--color-border:#d4dae4;--color-border-subtle:#e8ecf2;--color-text:#1a1f2e;--color-text-secondary:#454d5e;--color-text-muted:#6b7380;--color-primary:#072c7a;--color-primary-hover:#051f57;--color-primary-subtle:#eef2fa;--color-error:#b42318;--color-error-bg:#fef3f2;--color-switch-thumb:#fff;--shadow-sm:0 1px 2px rgba(16,24,40,.05);--shadow-card:0 1px 3px rgba(16,24,40,.06),0 1px 2px rgba(16,24,40,.04);--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-full:9999px;--font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,Cantarell,"Fira Sans","Droid Sans","Helvetica Neue",sans-serif;--header-height:72px;--content-max-width:720px;--page-padding:1.5rem;--bp-xs:380px;--bp-sm:540px}[data-theme=dark]{color-scheme:dark;--color-bg:#0f1117;--color-bg-accent:#161922;--color-surface:#1a1e28;--color-surface-muted:#222733;--color-border:#343a48;--color-border-subtle:#2a2f3b;--color-text:#eceef2;--color-text-secondary:#b4bac6;--color-text-muted:#848b98;--color-primary:#6b9de8;--color-primary-hover:#8ab4f0;--color-primary-subtle:#1a2438;--color-error:#f87171;--color-error-bg:#2a1a1a;--color-switch-thumb:#fff;--shadow-sm:0 1px 2px rgba(0,0,0,.35);--shadow-card:0 1px 3px rgba(0,0,0,.3),0 1px 2px rgba(0,0,0,.2)}*,:after,:before{box-sizing:border-box}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background-color:var(--color-bg);background-image:radial-gradient(ellipse 80% 50% at 50% -20%,var(--color-bg-accent),transparent),linear-gradient(to bottom,var(--color-bg),var(--color-bg));color:var(--color-text);font-family:var(--font-family);font-size:15px;line-height:1.6;margin:0;padding:0;transition:background-color .25s ease,color .25s ease}h1,h2,h3,p{color:inherit}a{color:var(--color-primary);text-decoration-color:color-mix(in srgb,var(--color-primary) 40%,transparent);transition:color .2s ease}a:hover{color:var(--color-primary-hover)}.text-body{color:var(--color-text-secondary);font-size:.9375rem;line-height:1.7}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:1.75rem 2rem;transition:background-color .25s ease,border-color .25s ease,box-shadow .25s ease}.page-title{border-bottom:2px solid var(--color-primary-subtle);color:var(--color-text);font-size:1.375rem;font-weight:600;letter-spacing:.01em;margin:0 0 1rem;padding-bottom:.75rem;position:relative}.page-title:after{background:var(--color-primary);border-radius:var(--radius-full);bottom:-2px;content:"";height:2px;left:0;position:absolute;width:3rem}.page-stack{display:flex;flex-direction:column;gap:1.5rem}