:root{--navy:#1b4257;--red:#c03a2b;--cream:#fdf6e9;--sky:#dde8ef;--rose:#f4c2c2;--bg:#fff;--card:#fff;--ink:var(--navy);--muted:#5b7285;--field:#f6f2e9;--line:rgba(27,66,87,.18)}*{box-sizing:border-box}body,html{margin:0}body{background:var(--bg);color:var(--ink);font-family:Poppins,Segoe UI,Arial,sans-serif;font-size:16px;line-height:1.5;min-height:100vh;padding:20px 14px 40px}.wrap{max-width:440px;margin:0 auto}.card{background:transparent;padding:34px 4px 30px}.brand{text-align:center}.brand svg{width:150px;height:auto;display:block;margin:0 auto 10px}.brand h1{font-family:Poppins,sans-serif;font-weight:800;font-size:17px;line-height:1.15;letter-spacing:.01em;margin:0;color:var(--navy);text-transform:uppercase}.brand .rule{width:150px;height:2px;background:var(--navy);margin:10px auto 8px}.brand p{margin:0;font-size:12.5px;color:var(--muted);font-weight:500}.links{flex-direction:column;margin-top:26px}.links,.lnk{display:flex;gap:10px}.lnk{align-items:center;text-decoration:none;color:var(--cream);background:var(--navy);border-radius:999px;padding:14px 18px;font-weight:600;font-size:15px;border:2px solid var(--navy);transition:transform .12s ease;text-align:center}.lnk:active{transform:scale(.985)}.lnk.red{background:var(--red);border-color:var(--red)}.lnk.ghost{background:transparent;color:var(--navy)}.lnk .ic{width:22px;height:22px;flex:none}.lnk span{flex:1 1}.lnk:focus-visible{outline:3px solid var(--rose);outline-offset:3px}h2.sec{font-family:"DM Serif Display",Georgia,serif;font-weight:400;font-size:26px;margin:30px 0 4px;color:var(--navy)}.sec-sub,h2.sec{text-align:center}.sec-sub{margin:0 auto 12px;font-size:13px;color:var(--muted);max-width:320px}details.tool{background:transparent;border:1.5px solid rgba(27,66,87,.16);border-radius:22px;margin-bottom:10px;overflow:hidden}details.tool.rose{background:transparent;border-color:rgba(192,58,43,.28)}details[open].tool{border-color:rgba(27,66,87,.28)}details[open].tool.rose{border-color:rgba(192,58,43,.45)}details.tool summary{list-style:none;cursor:pointer;padding:14px 18px;font-weight:600;font-size:15px;display:flex;align-items:center;gap:10px;color:var(--navy)}details.tool summary::-webkit-details-marker{display:none}details.tool summary .tag{font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;background:var(--navy);color:var(--cream);flex:none}details.tool.rose summary .tag{background:var(--red)}details.tool summary .chev{margin-left:auto;transition:transform .2s}details[open].tool summary .chev{transform:rotate(180deg)}details.tool summary:focus-visible{outline:3px solid var(--red);outline-offset:-3px}.tool-body{padding:2px 18px 18px}.tool-body p.hint{margin:0 0 12px;font-size:13px;color:var(--navy);opacity:.8}.grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px}.grid.one{grid-template-columns:1fr}label{display:block;font-size:12px;font-weight:600;color:var(--navy);margin-bottom:4px}input,select{width:100%;font:inherit;font-size:16px;padding:11px 12px;border-radius:14px;border:1.5px solid rgba(27,66,87,.18);background:var(--field);color:var(--navy)}input:focus,select:focus{outline:none;border-color:var(--red)}.seg{display:flex;background:var(--field);border:1.5px solid rgba(27,66,87,.18);border-radius:14px;padding:4px;gap:4px}.seg button{flex:1 1;font:inherit;font-weight:600;font-size:14px;border:0;background:transparent;color:var(--navy);padding:8px;border-radius:11px;cursor:pointer}.seg button[aria-pressed=true]{background:var(--navy);color:var(--cream)}.btn{width:100%;margin-top:12px;font:inherit;font-weight:700;font-size:15px;border:0;cursor:pointer;background:var(--red);color:var(--cream);border-radius:999px;padding:13px}.btn:focus-visible{outline:3px solid var(--navy);outline-offset:3px}.res{margin-top:14px;background:rgba(27,66,87,.05);border-radius:18px;padding:16px;text-align:center}.res .num{font-family:"DM Serif Display",Georgia,serif;font-size:38px;line-height:1;color:var(--red)}.res .num small{font-family:Poppins,sans-serif;font-size:13px;color:var(--muted);margin-left:6px}.res .cls{font-weight:700;margin-top:6px;color:var(--navy)}.res .txt{font-size:13px;color:var(--muted);margin-top:4px}.res.err .cls{color:var(--red)}.alert{margin-top:22px;border:2px solid var(--red);border-radius:22px;padding:18px;text-align:center}.alert h3{margin:0 0 8px;font-family:"DM Serif Display",Georgia,serif;font-weight:400;font-size:22px;color:var(--red)}.alert ul{margin:0 0 12px;padding:0;font-size:14px;list-style:none}.alert li{margin:5px 0}.alert a{display:inline-flex;align-items:center;gap:8px;background:var(--red);color:var(--cream);text-decoration:none;border-radius:999px;padding:10px 18px;font-size:14px}.alert a,.foot{font-weight:700}.foot{text-align:center;margin:22px 0 0;color:var(--navy);font-size:15px}.foot small{display:block;font-weight:400;font-size:11.5px;opacity:.7;margin-top:6px;line-height:1.4}@media (prefers-reduced-motion:reduce){*{transition:none!important}}