*{box-sizing:border-box} :root{color-scheme:dark;--bg:#151417;--panel:#1e1c21;--raised:#27232a;--line:#403841;--ink:#f2ede5;--muted:#c1b7bd;--gold:#d5b783;--wine:#74384a;--good:#a6d2ba;--warn:#f0c485}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 system-ui,-apple-system,sans-serif}button,input,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:4px}header{height:98px;padding:20px 4%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;gap:14px;align-items:center}.brand strong{font-size:20px}.brand small{display:block;color:var(--gold);font-size:12px;letter-spacing:2px}.mark{display:grid;place-items:center;width:48px;height:48px;border:1px solid var(--gold);border-radius:50%;font:22px Georgia;color:var(--gold)}.edition{color:var(--muted);font:italic 19px Georgia}.shell{display:grid;grid-template-columns:220px minmax(360px,1fr) minmax(300px,390px);max-width:1600px;margin:auto}nav{padding:28px 22px;border-right:1px solid var(--line)}.eyebrow{font-size:12px;letter-spacing:1.6px;font-weight:700;color:var(--gold)}nav button{display:block;width:100%;text-align:left;border:0;border-radius:8px;color:var(--muted);background:transparent;margin:8px 0;padding:13px 12px;font-size:15px}nav button.active{background:#3b2932;color:#f3d5b0;border-left:3px solid var(--gold)}nav button:hover{background:var(--raised)}.side-note{margin-top:60px;border-top:1px solid var(--line);padding-top:25px}.side-note b{font:24px/1.4 Georgia;color:var(--gold)}.side-note p,.privacy{font-size:14px;color:var(--muted)}.privacy{margin-top:35px}main{padding:36px clamp(22px,3vw,48px);min-width:0}h1{font:42px/1.14 Georgia;margin:10px 0 18px;letter-spacing:-1px}h2{font:27px/1.25 Georgia;margin:10px 0 16px}h3{font-size:18px;margin:0 0 10px}p{margin:10px 0 18px}.lead{color:var(--muted);font-size:18px}aside{border-left:1px solid var(--line);background:#1a181c;padding:30px 26px;height:calc(100vh - 98px);overflow:auto;position:sticky;top:0}.reader-title p{font-size:14px;color:var(--muted)}.para{display:grid;grid-template-columns:24px 1fr;gap:12px;margin:25px 0}.para span{color:var(--gold);font-size:13px;padding-top:3px}.para p{font:18px/1.8 Georgia;margin:0}.para.highlight{background:#342832;border-radius:8px;outline:1px solid var(--gold);padding:10px;margin-inline:-10px}.lesson{background:#28232b;border:1px solid #4c3b45;border-left:4px solid var(--gold);border-radius:10px;padding:22px;margin:24px 0}.lesson p:last-child{margin-bottom:0}.badge{font-size:12px;letter-spacing:1.4px;font-weight:800;color:var(--gold)}details{border-top:1px solid var(--line);padding-top:16px;margin-top:18px}summary{cursor:pointer;color:var(--gold);font-weight:600}blockquote{margin:18px 0;padding:0 0 0 18px;border-left:2px solid var(--wine);font-family:Georgia;font-size:20px}button.primary{background:var(--gold);color:#211a20;border:0;border-radius:7px;font-weight:700;padding:12px 20px}button.secondary{background:transparent;color:var(--ink);border:1px solid var(--line);border-radius:7px;padding:11px 16px}button:disabled{opacity:.45;cursor:default}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px;align-items:center}.practice{margin-top:30px}.question{font-size:20px;line-height:1.55;font-weight:600}.options{border:0;padding:0;margin:18px 0}.option{display:flex;gap:12px;padding:14px;margin:10px 0;border:1px solid var(--line);border-radius:8px;background:var(--panel);cursor:pointer}.option:has(input:checked){border-color:var(--gold);background:#332c2d}.option input{accent-color:var(--gold);margin:7px 0 0;width:18px;height:18px;flex:none}.option b{color:var(--gold);font-size:14px}.feedback{margin-top:24px;border:1px solid var(--line);border-radius:10px;padding:22px;background:var(--panel)}.feedback ul{padding-left:22px}.feedback li{margin:10px 0}.feedback strong{color:var(--gold)}.check{padding:13px 0;border-bottom:1px solid var(--line)}.check:last-child{border:0}.check b{display:block;color:var(--gold)}.check.pass b{color:var(--good)}.check p{margin:5px 0 0}.meter{height:5px;background:var(--line);border-radius:9px;margin:18px 0}.meter span{display:block;height:100%;background:var(--gold);border-radius:9px}.meta{display:flex;justify-content:space-between;color:var(--muted);font-size:14px;gap:10px}textarea{display:block;width:100%;min-height:130px;border-radius:8px;border:1px solid #776675;background:#151417;color:var(--ink);padding:16px;resize:vertical;line-height:1.7}textarea#peel{min-height:300px}label.field{display:block;font-weight:650;margin:20px 0 8px}.hint{font-size:14px;color:var(--muted)}.tiles{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:25px 0}.tile{border-top:2px solid var(--wine);background:var(--panel);padding:20px;border-radius:0 0 8px 8px}.tile b{display:block;color:var(--gold);font-size:25px}.tile p{font-size:15px;margin-bottom:0}.mobile-story{display:none}footer{border-top:1px solid var(--line);padding:18px 4%;font-size:13px;color:var(--muted)}footer span{float:right}.skip{position:absolute;top:-60px;background:var(--gold);color:#111;padding:10px;z-index:5}.skip:focus{top:0}.step-tags{display:flex;gap:6px;flex-wrap:wrap}.step-tags span{background:#342832;padding:6px 10px;border-radius:5px;color:var(--gold);font-size:14px}a{color:var(--gold)}@media(max-width:1150px){.shell{grid-template-columns:180px minmax(340px,1fr) minmax(280px,330px)}nav{padding:25px 12px}main{padding:28px 22px}}@media(max-width:950px){.shell{grid-template-columns:180px 1fr}aside{grid-column:2;position:static;height:auto;border-top:1px solid var(--line)}.mobile-story{display:inline-block}h1{font-size:36px}}@media(max-width:600px){header{height:85px;padding:16px 20px}.edition{display:none}.shell{display:block}nav{padding:15px 18px;border-right:0;border-bottom:1px solid var(--line)}nav>.eyebrow,.side-note,.privacy{display:none}#nav{display:flex;overflow:auto;gap:8px}nav button{white-space:nowrap;width:auto;flex:none;margin:0;padding:10px}.shell main{padding:24px 20px}aside{padding:24px 20px}.tiles{gap:10px}.tile{padding:14px}footer span{float:none;display:block}h1{font-size:36px}}@media(prefers-reduced-motion:no-preference){button{transition:background .15s,border-color .15s}}/* Preserve the original palette and components; give both stories a wider reading area. */
.shell{grid-template-columns:220px minmax(0,1fr);max-width:1240px}nav{grid-row:1 / span 2}main{max-width:940px;width:100%;margin:auto}#reader{grid-column:2;position:static;height:auto;border-left:0;border-top:1px solid var(--line);padding:32px clamp(24px,5vw,64px)}#reader[hidden]{display:none}.reading-text{max-width:740px;margin:30px auto}.reading-text .para p,#reader .para p{font-size:20px;line-height:1.9}.reading-text .para{margin:30px 0}.reading-view .shell{min-height:75vh}#story-picker{padding-bottom:20px;margin-bottom:24px;border-bottom:1px solid var(--line)}#story-picker a{display:block;text-decoration:none;border-radius:7px;color:var(--muted);padding:10px 12px;font-size:15px;margin:5px 0}#story-picker a[aria-current=page]{color:var(--gold);border:1px solid #695343;background:#29242a}.story-jump{display:inline-block;margin:6px 0 16px}.steal-part{padding-bottom:30px;border-bottom:1px solid var(--line)}.reader-title{position:relative}.reader-title::after{content:'';display:block;width:60px;border-bottom:2px solid var(--gold);margin:18px 0}.para{scroll-margin-top:24px}@media(max-width:950px){.shell{grid-template-columns:180px minmax(0,1fr)}}@media(max-width:600px){.shell{display:block}nav{padding:16px 18px}#story-picker{margin-bottom:14px;padding-bottom:12px}#story-picker .eyebrow{display:block;margin:0 0 8px}#story-picker a{display:inline-block;padding:8px 10px;margin-right:5px}#reader{padding:24px 20px}.reading-text .para p,#reader .para p{font-size:19px}.brand small{font-size:11px;letter-spacing:1px}.brand strong{font-size:19px}.mark{flex:none}}
.section-nav{display:flex;gap:8px;padding:12px max(20px,calc((100vw - 1160px)/2));border-bottom:1px solid var(--line);background:var(--panel)}.section-nav a{padding:9px 18px;border-radius:7px;color:var(--muted);text-decoration:none;font-weight:650}.section-nav a[aria-current=page]{color:var(--gold);background:#3b2932;border-bottom:2px solid var(--gold)}.topic-link{display:block;border:1px solid transparent;color:var(--muted);text-decoration:none;padding:12px;border-radius:8px;font-size:15px}.topic-link.active{background:#3b2932;color:var(--gold);border-left:3px solid var(--gold)}.example-lines{white-space:pre-line}.review-list{display:grid;gap:12px;margin:24px 0}.review-list button{text-align:left}#story-picker[hidden]{display:none}@media(max-width:600px){#nav .topic-link{white-space:nowrap;flex:none}.section-nav{padding:10px 18px}.section-nav a{font-size:15px;padding:8px 14px}}

/* Keep the full studio name readable on smaller screens. */
header{height:auto;min-height:98px;gap:20px}.brand{min-width:0}.brand strong{display:block;line-height:1.3}.mark{flex:none}.edition{flex-shrink:0}@media(max-width:800px){.edition{display:none}}@media(max-width:600px){header{min-height:85px}.brand strong{font-size:17px}.brand small{margin-top:5px}}
.conference{border-left:3px solid #a8cff2}.conference-focus{border:1px solid #687e92;border-radius:8px;padding:14px 18px;margin:16px 0;background:#152534}.conference-focus>b{color:#f6d395}.annotated-draft{white-space:pre-wrap;line-height:1.9;padding:16px;background:#121c26;border-radius:8px;color:#eef5fb}.annotated-draft mark{background:#f3d394;color:#1a2330;border-radius:3px;padding:1px 2px}.conference-note{border-top:1px solid #526071;padding:12px 0}.conference-note h4{font-size:17px;margin:6px 0}.conference-note small{display:block;font-size:12px;color:#b6c0ce;font-weight:400}.conference-note button{font-size:14px}.conference details{margin:16px 0}

/* Allow the answer-key navigation to wrap on small screens. */
.section-nav{flex-wrap:wrap}

/* Story identity: color reinforces the persistent story number and title. */
body[data-story="last-clue"]{--gold:#e9c477;--story-soft:#342b1d;--wine:#e9c477}
body[data-story="reading-corner"]{--gold:#80d8ce;--story-soft:#193330;--wine:#80d8ce}
body[data-story="amigo-brothers"]{--gold:#c5b2ff;--story-soft:#302641;--wine:#c5b2ff}
body[data-story] header{border-top:5px solid var(--gold)}
body[data-story] #story-label{display:inline-block;background:var(--story-soft);border:1px solid var(--gold);border-radius:6px;padding:5px 9px;margin-top:7px;line-height:1.5}
body[data-story] h1{border-left:4px solid var(--gold);padding-left:16px}
body[data-story] #nav button.active,body[data-story] .section-nav a[aria-current=page]{background:var(--story-soft);color:var(--gold)}
body[data-story] .lesson{background:var(--story-soft)}
#story-picker a[href="?story=last-clue"]{--story-link:#e9c477;--story-link-bg:#342b1d}
#story-picker a[href="?story=reading-corner"]{--story-link:#80d8ce;--story-link-bg:#193330}
#story-picker a[href="?story=amigo-brothers"]{--story-link:#c5b2ff;--story-link-bg:#302641}
#story-picker a{color:var(--story-link,var(--muted));border:1px solid transparent;border-left:4px solid var(--story-link,var(--line));background:var(--panel)}
#story-picker a:hover{background:var(--story-link-bg,var(--raised))}
#story-picker a[aria-current=page]{color:var(--story-link);border-color:var(--story-link);background:var(--story-link-bg);font-weight:750}
#story-picker a[aria-current=page]::after{content:'Current story';display:block;font-size:11px;letter-spacing:.5px;margin-top:3px}
/* Student navigation: stories across the top, grammar and scoped resources at left. */
[hidden]{display:none!important}
#story-picker.story-tabs{max-width:1240px;margin:0 auto;padding:20px 24px;border-bottom:1px solid var(--line)}
.story-tabs>.eyebrow{margin:0 0 10px;color:var(--muted)}
.story-tab-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
#story-picker.story-tabs a{display:block;margin:0;padding:13px 16px;min-height:66px;font-size:16px}
#grammar-menu{border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:24px}
.grammar-heading{color:#9dc6ff}
#story-resources{padding-bottom:18px;margin-bottom:20px;border-bottom:1px solid var(--line)}
.resource-link{display:block;padding:10px 12px;margin:6px 0;border-radius:7px;text-decoration:none;color:var(--muted)}
.resource-link[aria-current=page]{color:var(--gold);background:var(--story-soft,var(--raised));border-left:3px solid var(--gold);font-weight:700}
[data-topic=punctuation]{--topic-color:#ffbd98;--topic-bg:#38291f}
[data-topic=commas]{--topic-color:#a8d990;--topic-bg:#243321}
[data-topic=fanboys]{--topic-color:#f2aeca;--topic-bg:#382433}
[data-topic=compound]{--topic-color:#9dc6ff;--topic-bg:#213044}
[data-topic=complex]{--topic-color:#d8b4fa;--topic-bg:#322742}
body[data-topic]{--gold:var(--topic-color);--wine:var(--topic-color);border-top:5px solid #9dc6ff}
body[data-topic] h1{border-left:4px solid var(--topic-color);padding-left:16px}
body[data-topic] .lesson{background:var(--topic-bg)}
#grammar-menu .topic-link{border-left:3px solid var(--topic-color);color:var(--topic-color);margin:7px 0;background:var(--panel)}
#grammar-menu .topic-link[aria-current=page]{border:1px solid var(--topic-color);border-left-width:4px;background:var(--topic-bg);font-weight:750}
#grammar-menu .topic-link[aria-current=page]::after{content:'Current topic';display:block;font-size:11px}
.answer-part{margin:22px 0;padding-bottom:16px;border-bottom:1px solid var(--line)}
#app pre{white-space:pre-wrap;overflow-wrap:anywhere}
@media(max-width:600px){.story-tab-links{grid-template-columns:1fr;gap:7px}#story-picker.story-tabs{padding:16px 18px}#story-picker.story-tabs a{min-height:0;padding:10px 12px}#grammar-menu{display:flex;flex-wrap:wrap;gap:6px}#grammar-menu h2{width:100%}#grammar-menu .topic-link{margin:0;padding:8px;font-size:14px}#story-resources .resource-link{display:inline-block;margin:4px;padding:8px}#nav{flex-wrap:wrap}}
@media print{header,.story-tabs,.shell>nav,footer,.download{display:none!important}.shell{display:block}body{background:white;color:black}main{max-width:none;padding:0}.lesson,.feedback{background:white!important;color:black;border:1px solid #777}a,.eyebrow,.badge{color:black}h1{border:0!important}}
/* Welcome and two clear learning areas. */
.main-sections{display:flex;gap:8px;border-right:0;border-bottom:1px solid var(--line);padding:12px max(20px,calc((100vw - 1160px)/2));background:var(--panel)}
.main-sections a{display:block;padding:10px 18px;text-decoration:none;border-radius:7px;color:var(--muted);font-weight:700}
.main-sections a[aria-current=page]{background:var(--story-soft,#253447);color:var(--gold);box-shadow:inset 0 -3px var(--gold)}
.main-sections #section-grammar{color:#9dc6ff}.main-sections #section-grammar[aria-current=page]{background:#213044;box-shadow:inset 0 -3px #9dc6ff}
.mark{text-decoration:none}.hub-view .shell{display:block}.hub-view .shell>nav,.hub-view #reader{display:none!important}.hub-view main{max-width:1240px;padding:40px 24px 64px}
.welcome-hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:40px;margin-bottom:32px}.welcome-copy h1{font-size:clamp(34px,4vw,52px);line-height:1.15;max-width:620px}.welcome-hero img{width:100%;height:auto;border-radius:20px;border:1px solid #55464a;background:#24292c}.welcome-copy .lead{max-width:380px}
.hub-choices{display:grid;grid-template-columns:1fr 1fr;gap:20px}.hub-card{display:block;text-decoration:none;color:var(--ink);padding:28px;border:1px solid var(--line);border-top:4px solid var(--gold);border-radius:12px;background:var(--panel)}.hub-card:hover{background:var(--raised);border-color:var(--gold)}.hub-card p{color:var(--muted)}.hub-card strong{color:var(--gold)}.hub-card h2{font-size:28px}.hub-card h2 span{float:right}.grammar-card{--gold:#9dc6ff}.library-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,290px),1fr));gap:20px;margin-top:30px}.story-card[data-library-story=last-clue]{--gold:#e9c477}.story-card[data-library-story=reading-corner]{--gold:#80d8ce}.story-card[data-library-story=amigo-brothers]{--gold:#c5b2ff}.grammar-topic-card{--gold:var(--topic-color)}
.story-tab-links{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
@media(max-width:760px){.welcome-hero{grid-template-columns:1fr;gap:18px}.welcome-hero img{max-height:290px;object-fit:cover}.hub-choices{grid-template-columns:1fr}.main-sections{padding:10px 16px;flex-wrap:wrap}.main-sections a{padding:9px 12px}.hub-view main{padding:24px 20px}.welcome-copy h1{font-size:36px}.hub-card{padding:22px}.story-tab-links{grid-template-columns:1fr}}
@media print{.main-sections{display:none}}