:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:#243b53;background:#f5f8fc;font-size:16px;line-height:1.6;--ink:#153b70;--line:#d8e2ed}*{box-sizing:border-box}body{margin:0}a{color:#245fa3;text-underline-offset:3px}button,input,select,textarea{font:inherit}button,input,select{min-height:44px}button{cursor:pointer;border:1px solid #b8cce0;border-radius:9px;padding:8px 15px;background:#fff;color:var(--ink);font-weight:600}button:hover{background:#edf4fc}button:disabled{opacity:.65;cursor:wait}input,select,textarea{border:1px solid #b8cce0;border-radius:8px;background:#fff;padding:10px;width:100%;max-width:100%}textarea{resize:vertical}label{display:block;font-size:14px;font-weight:600;margin:12px 0 5px}:focus-visible{outline:3px solid #245fa3;outline-offset:3px}.skip{position:absolute;top:-100px;padding:10px;background:#fff;z-index:10}.skip:focus{top:8px}header{display:flex;justify-content:space-between;align-items:center;gap:20px;background:#fff;border-bottom:1px solid var(--line);padding:16px max(20px,calc((100vw - 1300px)/2))}.brand{display:flex;gap:9px;align-items:center;font-weight:750;color:var(--ink);text-decoration:none}header nav{display:flex;gap:20px;flex-wrap:wrap;font-size:14px}main{max-width:1300px;margin:32px auto;padding:0 22px}.intro{max-width:820px;margin-bottom:30px}h1{font-size:clamp(28px,4vw,38px);line-height:1.2;margin:8px 0 16px;color:var(--ink)}h2{color:var(--ink);font-size:26px;line-height:1.3;margin-top:0}h3{color:var(--ink);font-size:19px}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:750;color:#526174}.notice{font-size:14px;padding:14px 18px;background:#eaf2fc;border-left:3px solid #245fa3;border-radius:0 8px 8px 0}.workspace{display:grid;grid-template-columns:290px minmax(0,1fr);gap:26px;align-items:start}aside{position:sticky;top:18px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;max-height:calc(100vh - 36px);overflow:auto}#moduleList{display:grid;gap:6px}#moduleList a{display:block;padding:10px;border-radius:8px;text-decoration:none;font-size:14px;color:#334e68;border:1px solid transparent}#moduleList a[aria-current=page]{background:#edf4fc;color:var(--ink);border-color:#b4cce8;font-weight:700}#moduleCount{font-size:13px;color:#526174}article{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px;min-width:0;overflow-wrap:anywhere}.step-list{list-style:none;padding:0;counter-reset:steps;display:grid;gap:16px}.step-list li{border:1px solid var(--line);border-radius:12px;padding:16px 18px}.step-list label{display:flex;align-items:flex-start;gap:12px;margin:0;font-size:16px;color:var(--ink)}.step-list input{width:20px;min-height:20px;flex:0 0 20px;margin-top:3px}.step-list p{margin:8px 0;font-size:15px}.step-list small{font-size:13px;color:#526174}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}.tool{border:1px solid #b8cce0;border-radius:12px;padding:20px;margin:24px 0;background:#f9fbfe}.tool form{margin-bottom:18px}.tool pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px}.sources{border-top:1px solid var(--line);padding-top:16px;margin-top:24px}.sources li{margin:12px 0}.sources small{display:block;font-size:13px;color:#526174}.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.result{margin-top:16px;overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line);vertical-align:top}.status{font-size:14px;color:#526174}.tag{display:inline-block;padding:3px 10px;background:#edf2f7;border-radius:999px;font-size:12px;color:#526174}footer{max-width:1300px;margin:36px auto;padding:22px;display:flex;justify-content:space-between;gap:18px;font-size:13px;color:#526174}@media(max-width:800px){.workspace{grid-template-columns:1fr}aside{position:static;max-height:330px}article{padding:20px}header{align-items:flex-start;flex-direction:column}.grid{grid-template-columns:1fr}footer{flex-direction:column}main{padding:0 14px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

fieldset{min-width:0;border:1px solid var(--line);border-radius:10px;padding:16px;margin:18px 0}legend{font-weight:700;color:var(--ink)}input:disabled{background:#edf2f7;color:#526174}@media(max-width:800px){.decision-lab aside{max-height:none;overflow:visible}}

/* LC nature-code reference: progressive disclosure, mobile-safe table and
   clear Sight vs Usance comparison without using compliance decision colours. */
.nature-definition{margin:20px 0 26px}
.nature-quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:14px 0}
.nature-code-card{display:grid;align-content:start;gap:5px;min-width:0;padding:16px 14px;border:1px solid #cad8e8;border-radius:12px;background:#f8fbff;color:#173b65}
.nature-code-featured{border-color:#88a6c9;box-shadow:inset 0 3px 0 #245fa3}
.nature-code-value{font-variant-numeric:tabular-nums;font-size:32px;line-height:1.05;color:#123c6e}
.nature-code-group{font-size:13px;font-weight:700;color:#526174}
.nature-code-tenor{font-size:16px;line-height:1.3;color:#153b70}
.nature-code-card small{font-size:12px;line-height:1.5;color:#526174;overflow-wrap:anywhere}
.nature-clear-notice{font-size:14px;line-height:1.6;padding:12px 14px;border-left:3px solid #718daa;background:#edf4fb;border-radius:0 8px 8px 0}
.nature-catalogue{border:1px solid #ccdae8;border-radius:12px;padding:16px 18px;background:#fff;margin-top:18px}
.nature-catalogue summary{font-weight:700;color:#153b70;cursor:pointer;padding:7px 0;line-height:1.5}
.nature-catalogue summary:hover{text-decoration:underline}
.nature-filter-controls{display:grid;grid-template-columns:minmax(0,2fr) minmax(130px,1fr);gap:10px 16px;margin:14px 0}
.nature-filter-controls label{font-size:13px}
.nature-table-count{font-size:13px;font-variant-numeric:tabular-nums;color:#526174;margin:10px 0}
.nature-table-scroll{max-width:100%;overflow-x:auto;overscroll-behavior-x:contain;border:1px solid #dbe5ef;border-radius:8px}
.nature-table-scroll table{min-width:540px;margin:0}
.nature-table-scroll th{background:#eef4fa;white-space:normal;color:#153b70;font-weight:700}
.nature-table-scroll td:nth-child(2){font-weight:800;color:#153b70;font-variant-numeric:tabular-nums}
.nature-table-scroll td,.nature-table-scroll th{padding:10px 12px}
@media(max-width:1100px){.nature-quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:530px){
 .nature-quick-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
 .nature-code-card{padding:13px 12px}
 .nature-code-value{font-size:29px}
 .nature-filter-controls{grid-template-columns:1fr}
 .nature-catalogue{padding:12px}
}
@media(max-width:340px){.nature-quick-grid{grid-template-columns:1fr}}