:root{--ink:#223f45;--teal:#12665f;--sand:#f5f0e5;--line:#d8dfd7}*{box-sizing:border-box}body{margin:0;background:var(--sand);color:var(--ink);font:16px/1.75 system-ui,sans-serif}header,main,footer{max-width:760px;margin:auto;padding:26px 22px}header{padding-top:40px}h1{font-size:36px;margin:8px 0}h2{font-size:24px;line-height:1.5}.eyebrow{font-size:12px;letter-spacing:.12em;color:var(--teal)}nav{display:flex;gap:10px;margin-bottom:28px}button,.button{font:inherit;cursor:pointer;border:0;background:var(--teal);color:white;border-radius:10px;padding:13px 18px;display:inline-block;text-decoration:none;line-height:1.5}button:disabled{opacity:.5;cursor:wait}nav button{flex:1;background:white;color:var(--ink);border:1px solid var(--line)}nav button[aria-pressed=true]{background:var(--teal);color:white}.secondary{background:white;color:var(--teal);border:1px solid var(--teal)}details,form,#auth,.entry-card{background:white;border:1px solid var(--line);border-radius:14px;padding:20px;margin:15px 0}summary{font-weight:700;cursor:pointer;min-height:32px}.hint-step{border-left:3px solid #d49b41;padding:5px 12px;margin:16px 0}.hint-step b{font-size:12px;color:var(--teal);display:block}.muted{font-size:14px;color:#556a6e}label{display:block;margin:17px 0}input,select{display:block;border:1px solid #9aada8;border-radius:7px;background:#fff;padding:12px;font:inherit;width:100%;color:var(--ink);margin-top:5px}fieldset{border:0;padding:0;margin:24px 0}legend{font-weight:bold}#answers{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.check{display:flex;align-items:flex-start;gap:10px;font-size:14px}.check input{width:20px;height:20px;flex:none}.notice{background:#fff0c9;border-left:4px solid #b68025;padding:14px}.error{color:#ab3028}#result{white-space:pre-line}footer{font-size:13px;color:#556a6e}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #ca9f35;outline-offset:3px}[hidden]{display:none!important}@media(max-width:480px){header,main,footer{padding:20px 16px}h1{font-size:30px}nav button{padding:12px 7px;font-size:15px}#answers{grid-template-columns:1fr}form{padding:17px}}