:root{--color-bg:#fff;--color-text:#1a1a1a;--color-primary:#1e4d92;--color-accent:#fcb900;--color-muted:#6b7280;--radius:6px;--focus:#1e90ff}[data-theme=dark]{--color-bg: #222;--color-text: #eee;--color-primary: #70a5ff}html,body{margin:0;padding:0;font-family:var(--font-body);background:var(--color-bg);color:var(--color-text);line-height:1.5}.btn{background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius);padding:.5rem 1rem;cursor:pointer}.btn:hover{background:var(--color-accent)}*{box-sizing:border-box}html:focus-within{scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html:focus-within{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Helvetica Neue,Arial,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6}a{color:var(--color-primary)}a:hover{text-decoration:underline}button,.btn{background:var(--color-primary);color:#fff;border:0;border-radius:var(--radius);padding:.6rem 1rem;font-weight:600}button:focus-visible,.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}.skip-link:focus{position:static;width:auto;height:auto;padding:.5rem 1rem;background:#000;color:#fff}label{display:block;margin:.5rem 0 .25rem}.input,input,select,textarea{width:100%;padding:.6rem .7rem;border:1px solid #ccc;border-radius:var(--radius)}.input-error{border-color:#b00020}.help,.error{font-size:.9rem;color:var(--color-muted)}.error{color:#b00020}.container{max-width:1024px;margin-inline:auto;padding:1rem}