:root{--paper:#f5f4f1;--card:#fff;--ink:#1c2530;--muted:#5f6b76;--line:#e4e1da;--navy:#12304a;--navy2:#1a466b;--accent:#2f6d8a;--accentbg:#e9f1f5;--ok:#2f7a54;--okbg:#e8f1eb;--warn:#a9772a;--warnbg:#f7efdb}@media (prefers-color-scheme:dark){:root{--paper:#0e1720;--card:#152230;--ink:#e6ecf1;--muted:#93a2ae;--line:#25313d;--navy:#0a2135;--accent:#5aa7c4;--accentbg:#122a37;--ok:#5cbf8c;--okbg:#12251a;--warn:#e0b060;--warnbg:#241f0f}}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.55;font-size:16px}.wrap{max-width:680px;margin:0 auto;padding:0 18px 120px}.top{background:var(--navy);color:#eaf1f6;margin:0 -18px;padding:22px 20px 18px}.top h1{font-size:19px;margin:0 0 3px;font-weight:600}.top .sub{font-size:13.5px;color:#b7c6d3}.aviso{background:var(--accentbg);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);border-radius:10px;padding:11px 14px;font-size:13px;color:var(--ink);margin:16px 0}.aviso b{color:var(--accent)}.progress{position:-webkit-sticky;position:sticky;top:0;z-index:5;background:var(--paper);padding:12px 0 8px;border-bottom:1px solid var(--line)}.ptrack{height:7px;background:var(--line);border-radius:5px;overflow:hidden}.pfill{height:100%;background:linear-gradient(90deg,var(--accent),var(--navy));transition:width .3s}.pmeta{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-top:6px}.cat{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);font-weight:700;margin:22px 0 4px}.catname{font-family:Georgia,serif;font-size:22px;margin:0 0 14px;font-weight:600}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin:14px 0;box-shadow:0 1px 2px rgba(18,48,74,.05)}.card .qn{font-weight:600;font-size:16px}.card .def{font-size:13.5px;color:var(--muted);margin:4px 0 12px}.opts{flex-direction:column;gap:8px}.opt,.opts{display:flex}.opt{gap:11px;align-items:flex-start;border:1.5px solid var(--line);border-radius:11px;padding:12px 14px;cursor:pointer;transition:.12s;background:transparent}.opt.sel,.opt:hover{border-color:var(--accent)}.opt.sel{background:var(--accentbg)}.opt .rb{width:20px;height:20px;border-radius:50%;border:2px solid var(--muted);flex:none;margin-top:1px;position:relative}.opt.sel .rb{border-color:var(--accent)}.opt.sel .rb:after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--accent)}.opt .n{font-weight:700;color:var(--muted);flex:none;width:16px;text-align:center}.opt.sel .n{color:var(--accent)}.opt .txt{font-size:14.5px}.evi{margin-top:12px}.evi label{font-size:12.5px;color:var(--muted);display:block;margin-bottom:4px}.evi.req label{color:var(--warn);font-weight:600}.evi textarea{width:100%;border:1px solid var(--line);border-radius:9px;padding:9px 11px;font:inherit;font-size:14px;background:var(--paper);color:var(--ink);resize:vertical;min-height:52px}.nav{position:fixed;bottom:0;left:0;right:0;background:var(--card);border-top:1px solid var(--line);padding:12px 18px;display:flex;gap:10px;justify-content:space-between;max-width:680px;margin:0 auto}.btn{border:none;border-radius:10px;padding:12px 20px;font-size:15px;font-weight:600;cursor:pointer;font-family:inherit}.btn.sec{background:var(--paper);border:1px solid var(--line);color:var(--ink)}.btn.pri{background:var(--navy);color:#fff}.btn:disabled{opacity:.45;cursor:not-allowed}.saved{font-size:12px;color:var(--ok);align-self:center;margin-right:auto}.review .r{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px}.review .r .lv{font-weight:700;color:var(--accent);white-space:nowrap}.center{text-align:center;padding:60px 20px;color:var(--muted)}