:root{color-scheme:light;--ink:#172f36;--accent:#176f69;--paper:#f4f7f4}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.6 system-ui,sans-serif}header,main,footer{max-width:1050px;margin:auto;padding:28px}header{padding-top:60px;padding-bottom:10px}.badge{font-size:12px;font-weight:800;letter-spacing:.15em;color:var(--accent)}h1{font-size:clamp(34px,6vw,66px);line-height:1.08;margin:20px 0}.lead{font-size:21px;max-width:750px;color:#4a6267}.notice{padding:20px 24px;border:1px solid #cbded3;border-radius:16px;background:#eaf3eb}.notice p{margin:6px 0 0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:28px 0}.grid article{background:white;padding:24px;border-radius:16px;border:1px solid #dce5de}.grid span{color:var(--accent);font-weight:800}.grid h2{font-size:22px;line-height:1.2}.grid p{color:#4a6267}button{font:inherit;font-weight:650;padding:12px 20px;min-height:48px;border:1px solid var(--accent);border-radius:9px;background:var(--accent);color:white;cursor:pointer}button:disabled{opacity:.55;cursor:not-allowed}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #dc9700;outline-offset:3px}footer{font-size:14px;color:#52686c;border-top:1px solid #dce5de;margin-top:28px}dialog{border:1px solid #b7cac0;border-radius:18px;padding:24px;color:var(--ink);background:var(--paper)}dialog::backdrop{background:#102f39bb}dialog h2{line-height:1.2}dialog input,dialog select,dialog textarea{font:inherit;padding:9px;border:1px solid #9db4aa;border-radius:6px;background:white;color:var(--ink)}dialog .row{display:flex;gap:6px;flex-wrap:wrap}dialog .card,dialog section{padding:14px;background:white;border:1px solid #dce5de;border-radius:10px;margin:12px 0}dialog pre{overflow-wrap:anywhere;white-space:pre-wrap}#md-status{background:#eaf3eb;padding:10px;border-radius:8px}summary{cursor:pointer;min-height:44px;font-weight:700}.hint{color:#4a6267}@media(max-width:720px){.grid{grid-template-columns:1fr}header,main,footer{padding:20px}header{padding-top:34px}}