:root{color-scheme:dark;--ground:#020617;--card:#0f172a;--ring:#334155;--text:#f1f5f9;--soft:#cbd5e1;--muted:#94a3b8;--action:#0284c7;--action-hover:#0369a1;--link:#38bdf8;--link-hover:#7dd3fc;--error:#fb7185;--ok:#34d399}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100dvh;display:flex;flex-direction:column;background:var(--ground);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased;line-height:1.5}
.page{flex:1;width:100%;max-width:28rem;margin:0 auto;padding:3rem 1rem 1.5rem}
.brand{display:flex;align-items:center;gap:.75rem}
.mark{display:flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;flex-shrink:0;border-radius:.75rem;background:var(--action);color:#fff}
h1{margin:0;font-size:1.125rem;font-weight:600;line-height:1.35}
.sub{margin:.125rem 0 0;font-size:.8125rem;color:var(--muted)}
.card{margin-top:1.5rem;padding:1.25rem;border-radius:.75rem;background:var(--card);box-shadow:0 0 0 1px var(--ring),0 1px 2px rgba(0,0,0,.4)}
h2{margin:0 0 .75rem;font-size:.9375rem;font-weight:600}
label{display:block;margin:.875rem 0 .25rem;font-size:.8125rem;font-weight:500;color:var(--soft)}
input{display:block;width:100%;padding:.55rem .7rem;border-radius:.5rem;border:1px solid var(--ring);background:var(--ground);color:var(--text);font:inherit;font-size:.9375rem}
input:focus{outline:2px solid var(--link);outline-offset:1px;border-color:transparent}
button{font:inherit}
#submit{margin-top:1.25rem;width:100%;padding:.6rem 1rem;border:0;border-radius:.5rem;background:var(--action);color:#fff;font-weight:600;font-size:.9375rem;cursor:pointer}
#submit:hover{background:var(--action-hover)}
#submit:disabled{opacity:.6;cursor:progress}
#submit:focus-visible,.link:focus-visible,a:focus-visible{outline:2px solid var(--link);outline-offset:2px}
.error{margin:.75rem 0 0;font-size:.8125rem;color:var(--error)}
.ok{margin:.75rem 0 0;font-size:.8125rem;color:var(--ok)}
.help,.who{margin:1rem 0 0;font-size:.8125rem;color:var(--muted)}
a,.link{color:var(--link);text-decoration:underline;text-underline-offset:2px}
a:hover,.link:hover{color:var(--link-hover)}
.link{background:none;border:0;padding:0;cursor:pointer;font-size:inherit}
.foot{width:100%;max-width:28rem;margin:0 auto;padding:.5rem 1rem 2.5rem}
.statements{margin:0;font-size:.75rem;font-weight:500;color:var(--soft)}
.fine{margin:.5rem 0 0;font-size:.6875rem;color:var(--muted)}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}