:root{--bg:#f3f6f8;--panel:#fff;--soft:#f8fafb;--text:#172027;--muted:#667680;--line:#dbe3e8;--accent:#176b87;--accent-dark:#0d5268;--gold:#ffd700;--ok:#18794e;--warn:#a75d00;--danger:#b42318;--shadow:0 12px 34px rgba(23,32,39,.08);--radius:17px}
@media(prefers-color-scheme:dark){:root{--bg:#0f1519;--panel:#172027;--soft:#1d282f;--text:#eef5f7;--muted:#a9b8c0;--line:#34434c;--accent:#63c4e5;--accent-dark:#9adcf1;--ok:#66d19e;--warn:#ffbd66;--danger:#ff8a80;--shadow:0 12px 34px rgba(0,0,0,.28)}}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.container{width:min(1500px,calc(100% - 28px));margin:0 auto}.hero{padding:28px 0 22px;border-bottom:1px solid var(--line);background:linear-gradient(135deg,rgba(23,107,135,.18),rgba(23,107,135,.02))}.hero-inner{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}.brand{display:flex;align-items:center;gap:14px}.logo{width:58px;height:58px;display:grid;place-items:center;border-radius:16px;background:var(--accent);color:#fff;font-weight:900;box-shadow:var(--shadow)}h1{margin:0;font-size:clamp(30px,5vw,44px);line-height:1}.brand p{margin:7px 0 0;color:var(--muted)}.sequence{display:flex;gap:6px;flex-wrap:wrap}.sequence span{padding:5px 9px;border:1px solid var(--line);border-radius:999px;background:var(--panel);font-size:12px;color:var(--muted)}main{padding:24px 0 60px}.notice{padding:13px 16px;border:1px solid color-mix(in srgb,var(--warn) 35%,var(--line));border-left:4px solid var(--warn);border-radius:12px;background:var(--panel);margin-bottom:16px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:18px}.form-section,.output-section{padding:20px}.section-heading{display:flex;align-items:center;gap:13px;margin-bottom:18px}.section-heading>div:nth-child(2){flex:1}.section-heading h2{margin:0;font-size:23px}.section-heading p{margin:3px 0 0;color:var(--muted)}.step{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:var(--accent);color:#fff;font-weight:900}.grid{display:grid;gap:12px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}h3{margin:20px 0 10px;font-size:16px}label{display:block;font-size:12px;font-weight:800;color:var(--muted)}input,select,textarea{width:100%;margin-top:5px;padding:9px 10px;border:1px solid var(--line);border-radius:9px;background:var(--soft);color:var(--text);font:inherit}input:focus,select:focus,textarea:focus{outline:2px solid color-mix(in srgb,var(--accent) 25%,transparent);border-color:var(--accent)}label small{display:block;margin-top:3px;font-weight:500;color:var(--muted)}.wide-label{margin-top:12px}.check-card{display:flex;align-items:center;gap:8px;padding:9px 10px;border:1px solid var(--line);border-radius:10px;background:var(--soft);color:var(--text)}.check-card input{width:auto;margin:0}.checks-stack{display:grid;gap:7px}.table-wrap{overflow:auto;margin:12px 0}.geometry-table{width:100%;border-collapse:collapse;font-size:12px}.geometry-table th,.geometry-table td{padding:6px;border-bottom:1px solid var(--line);text-align:center}.geometry-table td:first-child{text-align:left;font-weight:800}.geometry-table input{min-width:85px;margin:0;text-align:center}.main-actions,.output-actions{display:flex;gap:10px;justify-content:flex-end;margin:16px 0}.primary,.secondary,.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:11px 16px;text-decoration:none;font-weight:900;cursor:pointer}.primary{background:var(--gold);color:#111}.primary:hover{filter:brightness(.95)}.secondary{background:color-mix(in srgb,var(--accent) 12%,var(--panel));color:var(--accent-dark);border:1px solid color-mix(in srgb,var(--accent) 30%,var(--line))}.score-box{text-align:right}.score-box strong,.score-box span{display:block}.score-box span{color:var(--muted);font-size:12px}.summary-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:14px}.summary-strip>div{padding:12px;border:1px solid var(--line);border-radius:11px;background:var(--soft)}.summary-strip span,.operation-hero span{display:block;color:var(--muted);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.04em}.summary-strip strong{display:block;margin-top:4px}.domain-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.domain-card{display:grid;grid-template-columns:46px 1fr;gap:11px;padding:13px;border:1px solid var(--line);border-radius:12px;background:var(--soft)}.domain-code{width:42px;height:42px;display:grid;place-items:center;border-radius:10px;background:var(--accent);color:#fff;font-weight:900}.domain-card h3{margin:0}.recommendation{margin:3px 0 6px;font-weight:800}.domain-card ul,.warnings ul,.plan-grid ul,.plan-grid ol,.steps ol{margin:7px 0 0;padding-left:20px}.domain-card li{margin:4px 0;color:var(--muted);font-size:13px}.warnings{margin-top:13px;padding:12px 14px;border:1px solid color-mix(in srgb,var(--danger) 35%,var(--line));border-radius:12px;background:color-mix(in srgb,var(--danger) 6%,var(--panel))}.warnings h3{margin:0;color:var(--danger)}.sketch-layout{display:grid;grid-template-columns:minmax(600px,1fr) 300px;gap:14px}.canvas-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px;background:#fff}.canvas-wrap svg{display:block;width:100%;min-width:600px;height:auto;aspect-ratio:1120/900}.sketch-controls{display:grid;align-content:start;gap:9px}.metrics{display:grid;grid-template-columns:1fr 1fr;gap:8px}.metric{padding:9px;border:1px solid var(--line);border-radius:10px;background:var(--soft)}.metric span{display:block;color:var(--muted);font-size:10px;text-transform:uppercase}.metric strong{display:block;margin-top:2px}.small-note{font-size:12px;color:var(--muted)}.operation-hero{display:grid;grid-template-columns:2fr 1fr 1fr;gap:10px;margin-bottom:12px}.operation-hero>div,.plan-grid article,.steps{padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--soft)}.operation-hero h3{margin:4px 0 0;font-size:20px}.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}.plan-grid h3,.steps h3{margin:0 0 7px}.plan-grid li,.steps li{margin:6px 0}.critical{border-left:4px solid var(--warn)!important}@media(max-width:1100px){.grid-4{grid-template-columns:repeat(2,1fr)}.domain-grid,.summary-strip{grid-template-columns:1fr 1fr}.sketch-layout{grid-template-columns:1fr}.sketch-controls{grid-template-columns:repeat(2,1fr)}.operation-hero{grid-template-columns:1fr 1fr}.operation-hero>div:first-child{grid-column:1/-1}}@media(max-width:650px){.grid-4,.grid-2,.domain-grid,.summary-strip,.plan-grid,.operation-hero,.sketch-controls{grid-template-columns:1fr}.form-section,.output-section{padding:14px}.section-heading{align-items:flex-start;flex-wrap:wrap}.score-box{text-align:left}.canvas-wrap svg{min-width:520px}}@media print{.hero,.notice,form,.output-actions,.sketch-controls{display:none!important}body{background:#fff;color:#000}.card{box-shadow:none;break-inside:avoid}.domain-card,.plan-grid article,.steps{background:#fff}.sketch-layout{display:block}.canvas-wrap{border:0}}
.domain-details{display:grid;gap:5px;margin:9px 0;padding:9px;border:1px solid var(--line);border-radius:9px;background:var(--panel)}.domain-details>div{display:grid;grid-template-columns:minmax(130px,.8fr) 1.4fr;gap:8px;padding-bottom:4px;border-bottom:1px dashed var(--line)}.domain-details>div:last-child{padding-bottom:0;border-bottom:0}.domain-details dt{font-size:11px;font-weight:900;color:var(--muted)}.domain-details dd{margin:0;font-size:12px}.summary-strip small{display:block;margin-top:3px;color:var(--muted)}@media(max-width:650px){.domain-details>div{grid-template-columns:1fr}}

/* Readability: recommendations are visually dominant; explanations remain regular weight. */
.domain-card .recommendation{margin:5px 0 10px;padding:8px 10px;border-left:3px solid var(--accent);border-radius:0 8px 8px 0;background:color-mix(in srgb,var(--accent) 7%,var(--panel));font-weight:800;line-height:1.4}
.domain-details dt{font-weight:650;letter-spacing:.01em}.domain-details dd{font-weight:400;line-height:1.45}.domain-card li{font-weight:400;line-height:1.45}
.separation-plan-list{display:grid;gap:9px;margin-top:9px}.manoeuvre-item{padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:var(--panel)}
.manoeuvre-action{margin:0 0 5px;line-height:1.35}.manoeuvre-action strong{font-weight:850}.manoeuvre-explanation{margin:3px 0;color:var(--muted);font-size:12.5px;font-weight:400;line-height:1.45}
.combined-effect-card{margin-top:12px;padding:13px;border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line));border-radius:11px;background:color-mix(in srgb,var(--accent) 5%,var(--panel))}.combined-effect-card h4{margin:0 0 10px;font-size:14px}
.combined-effect-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.combined-effect-grid>div{padding:10px;border:1px solid var(--line);border-radius:9px;background:var(--panel)}.combined-effect-grid span{display:block;color:var(--muted);font-size:10.5px;text-transform:uppercase;letter-spacing:.035em}.effect-value{margin:5px 0 2px;font-size:18px;font-weight:500;line-height:1.2}.combined-effect-grid small{color:var(--muted);font-weight:400}.effect-assurance{margin:10px 0 0;font-size:12.5px;font-weight:400}.effect-note{margin:5px 0 0;color:var(--muted);font-size:11px;font-weight:400}
@media(max-width:650px){.combined-effect-grid{grid-template-columns:1fr}}
.separation-domain-card{grid-column:1/-1}

/* 0.9.1 expert-validation status and audit surfaces. */
.result-status{display:grid;grid-template-columns:190px 1fr;gap:14px;align-items:center;margin:0 0 14px;padding:12px 14px;border:1px solid var(--line);border-left:5px solid var(--accent);border-radius:11px;background:var(--soft)}
.result-status span{display:block;color:var(--muted);font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.05em}.result-status strong{display:block;margin-top:2px;font-size:17px}.result-status p{margin:0;font-size:13px;font-weight:400}
.status-complete{border-left-color:var(--ok)}.status-unsupported{border-left-color:var(--danger)}
.domain-not-generated{opacity:.72;border-style:dashed}.domain-not-generated .domain-code{background:var(--muted)}.domain-not-generated .recommendation{border-left-color:var(--muted);font-weight:650}
.audit-panel{margin-top:13px;padding:11px 13px;border:1px solid var(--line);border-radius:11px;background:var(--soft)}.audit-panel summary{cursor:pointer;font-weight:800}.audit-panel h3{margin-top:12px}.audit-panel ul{margin:7px 0 0;padding-left:20px}.audit-panel li{margin:5px 0;font-size:12.5px}.hash-value{overflow-wrap:anywhere;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:11px!important}
.plan-unavailable{padding:15px;border:1px solid color-mix(in srgb,var(--danger) 35%,var(--line));border-left:5px solid var(--danger);border-radius:12px;background:color-mix(in srgb,var(--danger) 6%,var(--panel))}.plan-unavailable h3{margin:0 0 6px}.plan-unavailable p{margin:0 0 8px}.plan-unavailable ul{margin:6px 0 0;padding-left:20px}
@media(max-width:650px){.result-status{grid-template-columns:1fr}}