*{box-sizing:border-box}body{--blue:#0b61e8;--navy:#12284a;--muted:#60748f;--line:#dbe5f1;--soft:#f3f7fc;margin:0;background:var(--soft);color:var(--navy);font-family:"Segoe UI Variable Text","Segoe UI","Microsoft YaHei UI",sans-serif}.top{display:flex;align-items:center;justify-content:space-between;min-height:72px;border-bottom:1px solid var(--line);background:#fff;padding:12px clamp(18px,4vw,58px)}a{color:var(--blue);font-weight:750;text-decoration:none}.top>a{display:flex;align-items:center;min-height:44px}.top div{display:grid;text-align:right}.top strong{color:var(--blue);font-size:10px}.top small{color:var(--muted);font-size:9px}main{max-width:1240px;margin:auto;padding:26px 22px 42px}.hero{display:grid;grid-template-columns:1.35fr .65fr;gap:16px}.hero>div,.hero>aside,.ladder,.work>* ,.reading,.downloads{border:1px solid var(--line);border-radius:10px;background:#fff;box-shadow:0 3px 14px rgba(37,72,116,.05)}.hero>div{padding:32px}.hero h1{margin:0 0 12px;font-size:clamp(29px,4vw,44px);line-height:1.15;letter-spacing:-.025em}.hero p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}.hero aside{display:grid;align-content:center;padding:24px;background:#f9fbff}.hero aside small,.work header small,.reading header small{color:var(--blue);font-size:9px;font-weight:760}.hero aside strong{margin:8px 0;font-size:17px;line-height:1.45}.hero aside span{color:var(--muted);font-size:11px;line-height:1.6}.ladder{display:flex;align-items:center;gap:7px;margin-top:14px;padding:16px}.ladder article{display:grid;flex:1;min-height:82px;border-left:3px solid var(--blue);background:#f7faff;padding:13px}.ladder b{color:var(--blue);font-size:9px}.ladder strong{font-size:12px}.ladder span{color:var(--muted);font-size:9px}.ladder i{color:var(--blue);font-style:normal;font-weight:800}.work{display:grid;grid-template-columns:.72fr 1.45fr .83fr;gap:12px;margin-top:14px}.work>*{min-width:0;padding:22px}.work h2,.reading h2,.downloads h2{margin:5px 0 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strong{display:block;margin:5px 0;font-size:11px}.envelope code{display:block;overflow:hidden;color:var(--muted);font:9px "Cascadia Mono",Consolas,monospace;text-overflow:ellipsis}.envelope .signature{border-color:#8fb4ef}.envelope .key{border-left:3px solid var(--blue)}.result dl{display:grid;gap:4px}.result dl div{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:8px 0}.result dt{color:var(--muted);font-size:10px}.result dd{margin:0;font-size:10px;font-weight:800}.result footer{margin-top:16px;border-left:3px solid var(--blue);background:#f4f7fb;padding:11px;font-size:9px}.result.pass{border-color:#57bd96}.result.fail{border-color:#ef9a91}.reading{margin-top:14px;padding:22px}.reading>header{display:flex;align-items:end;justify-content:space-between;gap:20px}.reading header p{max-width:500px;margin:0;color:var(--muted);font-size:10px}.reading>div{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.reading a{display:grid;gap:7px;min-height:125px;border:1px solid var(--line);border-radius:8px;padding:14px;color:var(--navy)}.reading em{color:var(--blue);font-size:9px;font-style:normal}.reading strong{font-size:12px}.reading span{color:var(--muted);font-size:10px;line-height:1.5}.downloads{display:flex;align-items:center;gap:8px;margin-top:14px;padding:20px}.downloads div{margin-right:auto}.downloads h2{margin-bottom:4px}.downloads p{margin:0;color:var(--muted);font-size:10px}.downloads a{display:flex;align-items:center;color:var(--blue);font-size:9px}@media(max-width:820px){main{padding:16px 12px 30px}.hero,.work{grid-template-columns:1fr}.ladder{display:grid}.ladder i{text-align:center}.reading>header{display:block}.reading header p{margin:6px 0 12px}.reading>div{grid-template-columns:1fr 1fr}.downloads{align-items:stretch;flex-direction:column}.downloads div{margin:0}}@media(max-width:460px){.reading>div{grid-template-columns:1fr}.hero>div{padding:24px 20px}}.x509-work{grid-template-columns:.72fr 1.55fr .83fr}.certificate .der-strip{display:flex;align-items:center;gap:7px;border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:8px;background:#f7faff;padding:12px}.der-strip span{flex:1;color:var(--navy);font-size:9px;font-weight:800;text-align:center}.der-strip i{color:var(--blue);font-style:normal}.fields{display:grid;grid-template-columns:1fr 1fr;gap:0 18px;margin:14px 0}.fields div{min-width:0;border-bottom:1px solid var(--line);padding:9px 0}.fields dt{color:var(--blue);font-size:8px;font-weight:800}.fields dd{overflow:hidden;margin:4px 0 0;color:var(--navy);font:9px "Cascadia Mono",Consolas,monospace;text-overflow:ellipsis;white-space:nowrap}.certificate .source{margin:8px 0 0;color:var(--muted);font-size:9px;line-height:1.55}.reading>div{grid-template-columns:repeat(5,1fr)}.reading a{min-height:135px}.downloads{flex-wrap:wrap}.downloads a{padding:9px 10px}@media(max-width:980px){.x509-work{grid-template-columns:1fr}.reading>div{grid-template-columns:repeat(2,1fr)}}@media(max-width:620px){.certificate .der-strip{display:grid}.der-strip i{text-align:center}.fields{grid-template-columns:1fr}.reading>div{grid-template-columns:1fr}}.report-spine article{min-width:0}.report-work{display:grid;grid-template-columns:.8fr 1.35fr .92fr;gap:12px;margin-top:14px}.chapter-nav,.editor,.evidence-inspector,.report-output{border:1px solid var(--line);border-radius:10px;background:#fff}.chapter-nav,.editor,.evidence-inspector{min-width:0;padding:22px}.chapter-nav header small,.editor header small,.evidence-inspector header small,.report-output header small{color:var(--blue);font-size:8px;font-weight:850}.chapter-nav h2,.editor h2,.evidence-inspector h2,.report-output h2{margin:5px 0 0;color:var(--navy);font-size:18px}.chapter-nav header>strong{display:block;margin-top:10px;color:var(--blue);font:800 9px "Cascadia Mono",Consolas,monospace}.chapter-nav nav{display:grid;margin-top:14px}.chapter-nav nav button{min-height:48px;border:0;border-top:1px solid var(--line);background:#fff;padding:9px 10px;color:var(--navy);font:700 10px "Segoe UI","Microsoft YaHei",sans-serif;text-align:left;cursor:pointer}.chapter-nav nav button span{float:right;color:var(--muted);font:8px Consolas,monospace}.chapter-nav nav button.active{border-left:3px solid var(--blue);background:#edf5ff;color:var(--blue)}.chapter-nav nav button.ready span{color:var(--green);font-weight:850}.nav-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:14px}.nav-actions button,.editor footer button,.report-output button{min-height:44px;border:1px solid #9fbce0;border-radius:5px;background:#fff;color:var(--blue);font:800 9px "Segoe UI","Microsoft YaHei",sans-serif;cursor:pointer}.nav-actions .primary,.editor footer #next{border-color:var(--blue);background:var(--blue);color:#fff}#report-status{margin:12px 0 0;border-left:3px solid #a7b9ca;background:var(--soft);padding:10px;color:var(--muted);font-size:9px;line-height:1.55}#report-status.pass{border-left-color:var(--green);background:#eef8f4;color:#356453}#report-status.fail{border-left-color:#d85b5b;background:#fff2f2;color:#8c4141}.editor header p{margin:8px 0 18px;color:var(--muted);font-size:10px;line-height:1.6}.editor>label{display:flex;justify-content:space-between;color:var(--navy);font-size:10px;font-weight:800}.editor>label span{color:var(--muted);font-size:8px;font-weight:500}.editor textarea{box-sizing:border-box;width:100%;min-height:170px;margin-top:9px;resize:vertical;border:1px solid #b9c9d8;border-radius:6px;background:#fbfdff;padding:13px;color:var(--navy);font:11px/1.75 "Segoe UI","Microsoft YaHei",sans-serif}.editor textarea:focus{outline:2px solid #87b8f4;outline-offset:1px;border-color:var(--blue)}.editor textarea.valid{border-color:var(--green);background:#f7fcfa}.count{display:flex;justify-content:space-between;margin-top:7px;color:var(--muted);font-size:8px}.count .ready{color:var(--green);font-weight:800}.editor fieldset{margin:20px 0 0;border:0;border-top:1px solid var(--line);padding:16px 0 0}.editor legend{padding-right:8px;color:var(--navy);font-size:10px;font-weight:800}.editor legend small{color:var(--muted);font-size:8px;font-weight:500}.editor fieldset label{display:flex;align-items:flex-start;gap:8px;min-height:44px;border-bottom:1px solid var(--line);padding:9px 4px;color:#354d67;font-size:9px;line-height:1.45}.editor fieldset input{margin-top:2px;accent-color:var(--blue)}.editor footer{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:18px}.evidence-origin{display:flex;justify-content:space-between;margin:16px 0 8px;border-left:3px solid var(--blue);background:#edf5ff;padding:10px;color:var(--muted);font-size:8px}.evidence-origin strong{color:var(--blue)}.evidence-inspector dl{margin:0}.evidence-inspector dl div{border-bottom:1px solid var(--line);padding:11px 0}.evidence-inspector dt{color:var(--blue);font-size:8px;font-weight:800}.evidence-inspector dd{overflow-wrap:anywhere;margin:5px 0 0;color:var(--navy);font-size:9px;line-height:1.55}.evidence-inspector dd[id$="hash"],#evidence-file{font:8px/1.5 "Cascadia Mono",Consolas,monospace}.evidence-inspector>footer{margin-top:14px;border-left:3px solid var(--blue);background:var(--soft);padding:11px;color:var(--muted);font-size:8px;line-height:1.5}.report-output{margin-top:14px;overflow:hidden}.report-output>header{display:flex;align-items:end;justify-content:space-between;gap:20px;padding:20px 22px}.report-output>header>div:last-child{display:flex;gap:7px}.report-output button{padding-inline:13px}.report-output button:disabled{border-color:#d7e1ea;background:#eef2f5;color:#8b9baa;cursor:not-allowed}.report-output pre{max-height:560px;overflow:auto;margin:0;background:var(--navy);padding:24px;color:#e6eef8;font:10px/1.75 Consolas,"Microsoft YaHei",monospace;white-space:pre-wrap}.report-output>footer{display:flex;justify-content:space-between;padding:13px 22px;color:var(--muted);font-size:8px}.report-output>footer strong{color:var(--blue)}.reading>div{grid-template-columns:repeat(5,1fr)}.reading a{min-height:146px}.downloads{flex-wrap:wrap}.downloads a{padding:9px 10px}@media(max-width:1100px){.report-work{grid-template-columns:1fr}.reading>div{grid-template-columns:repeat(2,1fr)}.chapter-nav nav{grid-template-columns:1fr 1fr}.evidence-inspector{order:3}}@media(max-width:720px){.chapter-nav nav,.nav-actions,.editor footer{grid-template-columns:1fr}.editor>label{display:grid;gap:4px}.editor textarea{min-height:210px}.report-output>header,.report-output>footer{align-items:flex-start;flex-direction:column}.report-output>header>div:last-child{display:grid;width:100%;grid-template-columns:1fr}.report-output pre{max-height:none}.reading>div{grid-template-columns:1fr}}
/* Foundation learning remains available as a prerequisite, not hidden behind the report stage. */
.foundation-return{display:flex;justify-content:flex-end;margin:0 0 14px}.foundation-return a{display:flex;align-items:center;min-height:44px;border:1px solid #8eb4ed;border-radius:6px;background:#fff;padding:0 14px;color:#0b61e8;font-size:10px;font-weight:760;text-decoration:none}
.relay-import{display:grid;grid-template-columns:1fr auto 280px;align-items:center;gap:18px;margin-top:14px;border:1px solid var(--line);border-radius:10px;background:#fff;padding:18px 22px}.relay-import small{color:var(--blue);font-size:8px;font-weight:850}.relay-import h2{margin:5px 0 0;color:var(--navy);font-size:18px}.relay-import div p{margin:7px 0 0;color:var(--muted);font-size:9px;line-height:1.55}.file-button{display:grid;place-items:center;min-height:44px;border:1px solid var(--blue);border-radius:5px;background:var(--blue);padding:0 15px;color:#fff;font-size:9px;font-weight:800;cursor:pointer}.file-button input{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}#relay-import-status{margin:0;border-left:3px solid #a7b9ca;background:var(--soft);padding:10px;color:var(--muted);font-size:9px;line-height:1.5}#relay-import-status.pass{border-left-color:var(--green);background:#eef8f4;color:#356453}#relay-import-status.fail{border-left-color:#d85b5b;background:#fff2f2;color:#8c4141}.relay-chapter-hint{margin:0 0 18px;border-left:3px solid var(--blue);background:#edf5ff;padding:11px 12px}.relay-chapter-hint>strong{color:var(--blue);font-size:9px}.relay-chapter-hint ul{margin:8px 0 0;padding-left:18px;color:#354d67;font-size:9px;line-height:1.55}.relay-chapter-hint p{margin:8px 0 0!important;color:var(--muted)!important;font-size:8px!important}
@media(max-width:1100px){.relay-import{grid-template-columns:1fr auto}.relay-import>#relay-import-status{grid-column:1/-1}}
@media(max-width:720px){.relay-import{grid-template-columns:1fr}.relay-import>#relay-import-status{grid-column:auto}}
.learning-artifact-import{display:block}.learning-artifact-import>header{max-width:850px}.artifact-import-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:16px}.artifact-import-grid article{display:grid;grid-template-columns:1fr auto;gap:10px;border:1px solid var(--line);border-radius:7px;background:#fbfdff;padding:13px}.artifact-import-grid article>div{display:grid;grid-template-columns:auto 1fr;gap:2px 9px}.artifact-import-grid article b{grid-row:1/3;color:var(--blue);font:800 9px Consolas,monospace}.artifact-import-grid article strong{font-size:10px}.artifact-import-grid article span{color:var(--muted);font-size:8px}.artifact-import-grid article p{grid-column:1/-1;margin:0;border-left:3px solid #a7b9ca;background:var(--soft);padding:8px;color:var(--muted);font-size:8px;line-height:1.5}.artifact-import-grid article p.pass{border-left-color:var(--green);background:#eef8f4;color:#356453}.artifact-import-grid article p.fail{border-left-color:#d85b5b;background:#fff2f2;color:#8c4141}.relay-chapter-hint li b{display:inline-block;margin-right:7px;border:1px solid #91b6e8;border-radius:3px;padding:1px 5px;color:var(--blue);font-size:7px}@media(max-width:1100px){.artifact-import-grid{grid-template-columns:1fr}}@media(max-width:720px){.artifact-import-grid article{grid-template-columns:1fr}.artifact-import-grid .file-button{width:100%}}
.artifact-import-grid .camera-note-import{grid-column:1/-1;border-color:#9fc1ec;background:#f5f9ff}.camera-note-import>div{max-width:620px}@media(max-width:1100px){.artifact-import-grid .camera-note-import{grid-column:auto}}
.artifact-import-grid .perception-transfer-import{grid-column:1/-1;border-color:#8ccfc1;background:#f3fbf8}.perception-transfer-import>div{max-width:680px}@media(max-width:1100px){.artifact-import-grid .perception-transfer-import{grid-column:auto}}
.learning-artifact-import>header small{font-size:11px}.learning-artifact-import>header h2{font-size:22px;line-height:1.35}.learning-artifact-import>header p{font-size:13px;line-height:1.65}.artifact-import-grid{gap:12px}.artifact-import-grid article{gap:12px;padding:16px}.artifact-import-grid article b{font-size:11px}.artifact-import-grid article strong{font-size:14px;line-height:1.4}.artifact-import-grid article span{font-size:12px;line-height:1.45}.artifact-import-grid article p{font-size:12px;line-height:1.55}.artifact-import-grid .file-button{font-size:13px}
.artifact-binding-chain{display:grid;grid-template-columns:repeat(3,minmax(0,1fr) auto) minmax(0,1fr);gap:8px;align-items:center;margin-top:16px}.artifact-binding-chain article{display:grid;gap:6px;min-height:112px;border:1px solid var(--line);border-top:4px solid #a7b9ca;border-radius:6px;background:#fbfdff;padding:13px}.artifact-binding-chain article.verified{border-top-color:var(--green);background:#eef8f4}.artifact-binding-chain article.failed{border-top-color:#d85b5b;background:#fff2f2}.artifact-binding-chain b{font-size:13px}.artifact-binding-chain span,.artifact-binding-chain code{font-size:12px;line-height:1.5}.artifact-binding-chain span{color:var(--muted)}.artifact-binding-chain code{color:var(--blue);overflow-wrap:anywhere}.artifact-binding-chain>i{pointer-events:none;color:var(--blue);font-style:normal;font-weight:800}@media(max-width:980px){.artifact-binding-chain{grid-template-columns:1fr}.artifact-binding-chain>i{transform:rotate(90deg);text-align:center}}
.relay-chapter-hint>strong{font-size:12px}.relay-chapter-hint ul{font-size:12px;line-height:1.65}.relay-chapter-hint p{font-size:11px!important;line-height:1.55}.relay-chapter-hint li b{font-size:10px}
.journey-next{display:grid;grid-template-columns:1fr auto;align-items:center;gap:24px;margin-top:14px;border:1px solid #b9d2f4;border-radius:10px;background:#eaf3ff;padding:24px 28px}.journey-next small{color:var(--blue);font-size:8px;font-weight:850}.journey-next h2{margin:6px 0;color:var(--navy);font-size:20px}.journey-next p{max-width:820px;margin:0;color:var(--muted);font-size:9px;line-height:1.65}.journey-next a{display:flex;align-items:center;justify-content:center;min-height:46px;border-radius:6px;background:var(--blue);padding:0 18px;color:#fff;font-size:10px;font-weight:800;text-decoration:none}@media(max-width:720px){.journey-next{grid-template-columns:1fr;padding:22px 18px}.journey-next a{width:100%}}

/* P235: student developer reasoning, readable at normal browser zoom. */
.report-work{grid-template-columns:minmax(250px,.76fr) minmax(430px,1.45fr) minmax(290px,.9fr);gap:16px}.chapter-nav header small,.editor header small,.evidence-inspector header small,.report-output header small{font-size:12px}.chapter-nav h2,.editor h2,.evidence-inspector h2,.report-output h2{font-size:21px}.chapter-nav header>strong{font-size:12px}.chapter-nav nav button{font-size:13px;line-height:1.4}.chapter-nav nav button span{font-size:11px}.nav-actions button,.editor footer button,.report-output button{font-size:13px}.editor header p,#report-status{font-size:13px}.editor>label{font-size:14px}.editor>label span{font-size:12px}.editor textarea{font-size:14px}.count{font-size:12px}.editor legend{font-size:13px}.editor legend small{font-size:11px}.editor fieldset label{font-size:13px}.evidence-origin{font-size:12px}.evidence-inspector dt{font-size:12px}.evidence-inspector dd{font-size:13px}.evidence-inspector dd[id$="hash"],#evidence-file{font-size:11px}.evidence-inspector>footer,.report-output>footer{font-size:12px}.report-output pre{font-size:13px}
.chapter-reasoning{margin:0 0 22px;border:1px solid #b9d2f4;border-radius:8px;background:#f6faff;padding:18px}.chapter-reasoning>header h3{margin:5px 0;color:var(--navy);font-size:16px;line-height:1.45}.chapter-reasoning>header p{margin:0;color:var(--muted);font-size:12px}.chapter-reasoning fieldset{margin:15px 0 0;padding-top:12px}.chapter-reasoning fieldset label{border:1px solid transparent;border-bottom-color:var(--line);padding:10px 8px}.chapter-reasoning fieldset label:has(input:checked){border-color:#8db9f2;border-radius:5px;background:#eaf3ff;color:var(--navy)}#check-reasoning{width:100%;min-height:44px;margin-top:16px;border:1px solid var(--blue);border-radius:5px;background:var(--blue);color:#fff;font:800 13px "Segoe UI","Microsoft YaHei",sans-serif;cursor:pointer}#reasoning-status{margin:10px 0 0;border-left:3px solid #a7b9ca;background:#fff;padding:10px;color:var(--muted);font-size:12px;line-height:1.5}#reasoning-status.pass{border-left-color:var(--green);background:#eef8f4;color:#356453}#reasoning-status.fail{border-left-color:#d85b5b;background:#fff2f2;color:#8c4141}.sample-preview{margin:0 0 18px;border:1px solid #91b6e8;border-radius:7px;background:#fff;padding:14px}.sample-preview header{display:flex;align-items:center;justify-content:space-between;gap:12px}.sample-preview strong{color:var(--navy);font-size:13px}.sample-preview button{min-height:44px;border:1px solid #9fbce0;border-radius:5px;background:#fff;padding:0 14px;color:var(--blue);font-weight:750}.sample-preview p{margin:12px 0 6px;color:#354d67;font-size:13px;line-height:1.7}.sample-preview small{color:var(--muted);font-size:11px}.editor textarea:disabled{background:#eef2f5;color:#7b8c9c;cursor:not-allowed}.editor fieldset input:disabled+span{color:#8796a6}
@media(max-width:1100px){.report-work{grid-template-columns:1fr}.chapter-nav nav{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.chapter-nav,.editor,.evidence-inspector{padding:18px}.chapter-nav nav{grid-template-columns:1fr}.chapter-reasoning{padding:15px}.chapter-reasoning>header h3{font-size:15px}.sample-preview header{align-items:flex-start;flex-direction:column}}

/* P260: keep the complete report journey legible at normal zoom, including inherited shared-shell copy. */
.top strong,.top small,.hero aside small,.hero aside span,.ladder b,.ladder span,.foundation-return a,.learning-artifact-import>header small,.artifact-import-grid article b,#relay-import-status,.chapter-nav nav button span,.relay-chapter-hint p,.relay-chapter-hint li b,.editor legend small,.sample-preview small,#citation-requirement,.evidence-inspector dd[id$="hash"],#evidence-file,.reading header small,.reading header p,.reading em,.reading span,.downloads p,.downloads a,.journey-next small,.journey-next p,.journey-next a{font-size:12px!important}

/* P303: one binding task, one chapter, then one project handoff. */
.learning-artifact-import{padding:24px}.required-imports{grid-template-columns:repeat(2,minmax(0,1fr));max-width:none}.required-imports article{border-top:4px solid var(--blue);background:#fff}.required-imports article:nth-child(2){transition:opacity .2s ease}body:not(.has-evidence) .required-imports article:nth-child(2){opacity:.52}body:not(.has-evidence) .required-imports article:nth-child(2) .file-button{pointer-events:none;background:#9aabba;border-color:#9aabba}.optional-imports{margin-top:16px;border-top:1px solid var(--line);padding-top:12px}.optional-imports summary,.report-resources>summary{display:flex;align-items:center;min-height:44px;color:var(--blue);font-size:13px;font-weight:800;cursor:pointer;list-style:none}.optional-imports summary::before,.report-resources>summary::before{content:"＋";display:grid;place-items:center;width:26px;height:26px;margin-right:9px;border:1px solid #9fbce0;border-radius:50%}.optional-imports[open] summary::before,.report-resources[open]>summary::before{content:"−"}.optional-imports>p{margin:0;color:var(--muted);font-size:12px;line-height:1.6}.optional-imports .camera-note-import,.optional-imports .perception-transfer-import{grid-column:auto}.artifact-binding-chain{margin-top:20px}.artifact-binding-chain article{min-height:96px;background:#fff}.report-work,.report-output,.report-resources,.journey-next{display:none}body.report-bound:not(.report-complete) .report-work{display:grid}body.report-bound .report-resources{display:block}body.report-complete .report-output,body.report-complete .journey-next{display:grid}body.report-complete .report-resources{display:block}.report-work{grid-template-columns:minmax(240px,280px) minmax(0,1fr);gap:0;overflow:hidden;border:1px solid var(--line);border-radius:10px;background:#fff}.chapter-nav,.editor,.evidence-inspector{border:0;border-radius:0}.chapter-nav{background:var(--navy);color:#fff}.chapter-nav h2,.chapter-nav header>strong{color:#fff}.chapter-nav nav button{border-color:#355576;background:transparent;color:#dce9f7}.chapter-nav nav button.active{border-left-color:#5ba2ff;background:#164a82;color:#fff}.chapter-nav nav button.ready{color:#fff}.chapter-nav nav button:disabled{color:#66809b;cursor:not-allowed}.chapter-nav nav button:disabled span{color:#66809b}.nav-actions{grid-template-columns:1fr}.nav-actions button{background:transparent;color:#fff}.nav-actions .primary{background:#1264d8}.chapter-nav #report-status{background:#163d68;color:#c6d8eb}.chapter-nav #report-status.pass{background:#164f43;color:#dff8ef}.chapter-nav #report-status.fail{background:#63343c;color:#ffe6e8}.editor{padding:28px 30px}.evidence-inspector{grid-column:2;padding:24px 30px;border-top:1px solid var(--line);background:#f6faff}.evidence-inspector dl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 22px}.evidence-inspector dl div{min-width:0}.evidence-inspector dl div:nth-child(4),.evidence-inspector dl div:nth-child(5){grid-column:span 1}.chapter-reasoning{border:0;border-left:4px solid var(--blue);border-radius:0;background:#f3f7fc}.chapter-nav nav button,.nav-actions button,.editor footer button,.report-output button,#check-reasoning{font-family:"Segoe UI","Microsoft YaHei",sans-serif}.report-output{margin-top:14px}.report-output>header>div:last-child{flex-wrap:wrap}.report-output #return-edit{border-color:#6783a1;color:#38536e}.report-resources{margin-top:14px;border:1px solid var(--line);border-radius:10px;background:#fff;padding:0 22px}.report-resource-body{padding-bottom:20px}.report-resource-body .reading,.report-resource-body .downloads{margin-top:0;border:0;border-top:1px solid var(--line);border-radius:0}.journey-next ol{display:flex;gap:0;margin:18px 0 0;padding:0;list-style:none}.journey-next li{min-width:150px;border-top:3px solid #a9bbce;padding:9px 14px;color:var(--muted);font-size:12px}.journey-next li:first-child{border-color:var(--green)}.journey-next li:nth-child(2){border-color:var(--blue);color:var(--navy)}.journey-next li b{display:block;margin-bottom:3px;color:var(--blue)}
@media(max-width:980px){.required-imports{grid-template-columns:1fr}.report-work{grid-template-columns:1fr}.chapter-nav nav{grid-template-columns:repeat(2,minmax(0,1fr))}.evidence-inspector{grid-column:1}.evidence-inspector dl{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.learning-artifact-import{padding:20px 16px}.report-work{margin-inline:0}.chapter-nav nav{grid-template-columns:1fr}.editor{padding:22px 18px}.evidence-inspector{padding:20px 18px}.evidence-inspector dl{grid-template-columns:1fr}.report-output>header>div:last-child{display:grid}.report-resources{padding:0 16px}.journey-next ol{display:grid}.journey-next li{min-width:0}.artifact-binding-chain article{min-height:88px}}

/* P339: one compact revision chain, three files, four report hints. */
.artifact-import-grid .h2-revision-chain-import{grid-column:1/-1;display:block;border-color:#d7c289;background:#fffdf7}.h2-revision-chain-heading{display:grid!important;grid-template-columns:auto 1fr!important;gap:2px 10px!important;max-width:none!important}.h2-revision-chain-heading b{grid-row:1/3!important;color:#8b6e22!important}.h2-revision-chain-heading strong{font-size:14px!important}.h2-revision-chain-heading span{font-size:12px!important}.h2-report-chain{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr) auto) minmax(0,1fr)!important;align-items:stretch;gap:8px!important;max-width:none!important;margin-top:14px}.h2-report-chain>label{position:relative;display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;gap:3px 8px;min-height:76px;border:1px solid #d5c9a7;border-radius:6px;background:#fff;padding:12px;color:var(--navy);cursor:pointer}.h2-report-chain>label:first-child{cursor:default}.h2-report-chain>label small{grid-row:1/3;color:#8b6e22;font:800 10px Consolas,monospace}.h2-report-chain>label strong{font-size:12px}.h2-report-chain>label span{color:var(--muted);font-size:11px}.h2-report-chain>label input{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.h2-report-chain>label:has(input:disabled){opacity:.48;cursor:not-allowed}.h2-report-chain>label.verified{border-color:#4dae88;background:#eef8f4}.h2-report-chain>label.verified small{color:#21815e}.h2-report-chain>i{display:grid;place-items:center;color:#8b6e22;font-style:normal;font-weight:800}.h2-revision-chain-import>#h2-revision-chain-import-status{margin-top:10px}.h2-revision-chain-import>#h2-revision-chain-import-status.pass{border-left-color:var(--green);background:#eef8f4;color:#356453}.h2-revision-chain-import>#h2-revision-chain-import-status.fail{border-left-color:#d85b5b;background:#fff2f2;color:#8c4141}
@media(max-width:980px){.h2-report-chain{grid-template-columns:1fr!important}.h2-report-chain>i{transform:rotate(90deg)}}

/* P340: student-authored appendix stays inside the optional H2 chain. */
.h2-revision-appendix-builder{margin-top:14px;border-top:1px solid #dfd2ad;padding-top:16px}.h2-revision-appendix-builder[hidden]{display:none}.h2-revision-appendix-builder>header small{color:#8b6e22;font-size:11px;font-weight:800}.h2-revision-appendix-builder>header h3{margin:5px 0;color:var(--navy);font-size:18px}.h2-revision-appendix-builder>header p{max-width:820px;margin:5px 0 14px;color:var(--muted);font-size:12px;line-height:1.6}.h2-appendix-checks{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr))!important;gap:10px!important}.h2-appendix-checks label,.h2-appendix-fields label{display:block;color:var(--navy);font-size:12px;font-weight:750}.h2-appendix-checks select{width:100%;min-height:44px;margin-top:6px;border:1px solid #c7b77f;border-radius:5px;background:#fff;padding:0 9px;color:var(--navy)}.h2-appendix-fields{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:10px!important;margin-top:12px}.h2-appendix-fields textarea{box-sizing:border-box;width:100%;min-height:96px;margin-top:6px;border:1px solid #cfbf8c;border-radius:6px;background:#fff;padding:10px;color:var(--navy);font:13px/1.6 "Segoe UI","Microsoft YaHei",sans-serif;resize:vertical}.h2-appendix-fields output{display:block;margin-top:3px;color:var(--muted);font-size:11px;text-align:right}#h2-revision-appendix-form>button,.h2-appendix-downloads button{min-height:46px;border:1px solid #8b6e22;border-radius:6px;background:#8b6e22;padding:0 16px;color:#fff;font-size:12px;font-weight:800;cursor:pointer}#h2-revision-appendix-form>button{width:100%;margin-top:12px}#h2-revision-appendix-status{margin-top:10px}.h2-appendix-downloads{display:grid!important;grid-template-columns:1fr 1fr!important;gap:10px!important;margin-top:10px}.h2-appendix-downloads button{background:#fff;color:#725a1c}.h2-revision-appendix-builder>footer{margin-top:12px;border-left:3px solid #8b6e22;background:#fffaf0;padding:10px 12px;color:var(--muted);font-size:11px;line-height:1.55}
@media(max-width:720px){.h2-appendix-checks,.h2-appendix-fields,.h2-appendix-downloads{grid-template-columns:1fr!important}.h2-revision-appendix-builder>header h3{font-size:16px}}
.student-handoff{margin-top:14px;border:1px solid #b9cee5;border-radius:10px;background:linear-gradient(135deg,#f8fbff 0%,#eef5fc 100%);padding:22px}.student-handoff>header{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.student-handoff>header small{color:var(--blue);font-size:11px;font-weight:850}.student-handoff>header h2{margin:5px 0;color:var(--navy);font-size:20px}.student-handoff>header p{max-width:820px;margin:7px 0 0;color:var(--muted);font-size:12px;line-height:1.65}.student-handoff>header>strong{flex:none;border:1px solid #a8c2df;border-radius:4px;background:#fff;padding:8px 10px;color:var(--blue);font:800 10px Consolas,monospace}.handoff-flow{display:grid;grid-template-columns:1fr 34px 1fr 34px 1fr;align-items:stretch;margin-top:18px}.handoff-flow>label,.handoff-flow>article{display:block;min-width:0;border:1px solid #c3d4e6;border-radius:7px;background:#fff;padding:14px}.handoff-flow>i{align-self:center;color:#7396bb;font-size:18px;font-style:normal;text-align:center}.handoff-flow small{display:block;color:var(--blue);font-size:10px;font-weight:850}.handoff-flow strong{display:block;margin-top:5px;color:var(--navy);font-size:13px}.handoff-flow span{display:block;overflow-wrap:anywhere;margin-top:5px;color:var(--muted);font-size:11px;line-height:1.45}.handoff-flow input{box-sizing:border-box;width:100%;min-height:44px;margin-top:9px;color:var(--navy);font-size:11px}.handoff-flow .verified{border-color:#57a783;background:#f4fbf8}.handoff-flow .verified small,.handoff-flow .verified span{color:#35765c}#student-handoff-form{margin-top:16px}#student-handoff-form fieldset{margin:0;border:0;padding:0}#student-handoff-form fieldset>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}#student-handoff-form legend{margin-bottom:10px;color:var(--navy);font-size:13px;font-weight:800}#student-handoff-form label{display:block;color:var(--navy);font-size:12px;font-weight:750}#student-handoff-form select{box-sizing:border-box;width:100%;min-height:44px;margin-top:6px;border:1px solid #a9bfd7;border-radius:5px;background:#fff;padding:0 9px;color:var(--navy)}.handoff-note{margin-top:12px}.handoff-note small{color:var(--muted);font-weight:500}.handoff-note textarea{box-sizing:border-box;width:100%;min-height:112px;margin-top:7px;border:1px solid #a9bfd7;border-radius:6px;background:#fff;padding:11px;color:var(--navy);font:13px/1.65 "Segoe UI","Microsoft YaHei",sans-serif;resize:vertical}.handoff-note output{display:block;margin-top:4px;color:var(--muted);font-size:11px;text-align:right}#student-handoff-form button,.handoff-downloads button{min-height:46px;border:1px solid var(--blue);border-radius:6px;background:var(--blue);padding:0 16px;color:#fff;font-size:12px;font-weight:800;cursor:pointer}#student-handoff-form button{width:100%;margin-top:12px}#student-handoff-form fieldset:disabled button{border-color:#b7c5d2;background:#dce5ed;color:#7e8e9e;cursor:not-allowed}#student-handoff-status{margin:10px 0 0;border-left:3px solid #9db0c3;background:#fff;padding:10px 12px;color:var(--muted);font-size:11px;line-height:1.55}#student-handoff-status.pass{border-left-color:var(--green);color:#356453}#student-handoff-status.fail{border-left-color:#d85b5b;color:#8c4141}.handoff-downloads{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}.handoff-downloads button{background:#fff;color:var(--blue)}.student-handoff>footer{display:flex;gap:8px;margin-top:14px;border-top:1px solid #cbd9e7;padding-top:12px;color:var(--muted);font-size:11px;line-height:1.55}.student-handoff>footer strong{color:var(--navy)}
@media(max-width:720px){.student-handoff{padding:18px 14px}.student-handoff>header,.student-handoff>footer{display:block}.student-handoff>header>strong{display:inline-block;margin-top:12px}.handoff-flow{grid-template-columns:1fr}.handoff-flow>i{padding:4px;transform:rotate(90deg)}#student-handoff-form fieldset>div,.handoff-downloads{grid-template-columns:1fr}.student-handoff>footer strong{display:block;margin-bottom:4px}}