[hidden]{display:none!important}
:root{--ink:#18362f;--muted:#64746c;--paper:#f4f5ed;--card:#fffef9;--line:#dce1d4;--lime:#d6ef9f;--purple:#d9cefa;--orange:#f6d5b7;--blue:#b9dce8}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.55 system-ui,-apple-system,sans-serif}button,input,textarea,select{font:inherit}button,a,select{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}a{color:inherit}button{border:0}button:hover:not(:disabled){filter:brightness(.96)}.sidebar{width:244px;height:100vh;position:fixed;inset:0 auto 0 0;padding:28px 22px;background:var(--card);border-right:1px solid var(--line);display:flex;flex-direction:column}.logo{text-decoration:none;font-weight:850;font-size:42px;letter-spacing:-.08em;display:flex;align-items:center;gap:14px}.logo span{font-size:9px;letter-spacing:.17em;background:var(--lime);padding:5px 8px;border-radius:6px}.profile{display:flex;gap:10px;align-items:center;margin:32px 0}.avatar{width:38px;height:38px;border-radius:50%;background:var(--purple);display:grid;place-items:center;font-weight:700}.profile small{display:block;color:var(--muted);font-size:10px}.nav-label{font-size:9px;letter-spacing:.16em;color:var(--muted);margin:0 12px 10px}nav{display:grid;gap:4px}nav a{display:flex;gap:12px;align-items:center;text-decoration:none;border-radius:10px;padding:11px 12px;color:var(--muted);font-size:13px}nav a[aria-current="page"]{background:var(--ink);color:white;font-weight:650}nav a span{width:19px;text-align:center;font-size:18px}.sidebar-bottom{margin-top:auto;border-top:1px solid var(--line);padding-top:18px}.sidebar-bottom p{font-size:11px;color:var(--muted);margin:4px 0 12px}.mini-orbit{font-size:25px}.demo-tag{font-size:8px;font-weight:700;letter-spacing:.1em;background:var(--paper);padding:6px 8px;border-radius:5px}.shell{margin-left:244px}.topbar{min-height:82px;border-bottom:1px solid 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16px}h2{font-size:22px;line-height:1.2;letter-spacing:-.03em;margin:0 0 12px}h3{font-size:17px;margin:8px 0}p{margin:8px 0 14px}.eyebrow{font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);font-weight:650}.page-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.page-heading p{color:var(--muted);max-width:600px}.hero{border-radius:22px;background:var(--ink);color:#fffef9;min-height:290px;padding:32px 36px;position:relative;overflow:hidden;display:flex;gap:24px}.hero .eyebrow{color:var(--lime)}.hero h1{max-width:540px;font-size:clamp(36px,4.2vw,58px)}.hero p{max-width:440px;color:#d5e4d5;font-size:13px}.hero-content{position:relative;z-index:1;flex:1}.hero-art{width:230px;flex-shrink:0;align-self:center;position:relative;display:grid;place-items:center;height:210px}.planet{border-radius:50%;width:185px;height:185px;background:var(--lime);position:relative;box-shadow:0 0 0 20px #ffffff0b,0 0 0 42px #ffffff05}.planet::before{content:'Aa';font-size:78px;letter-spacing:-.06em;color:var(--ink);position:absolute;left:38px;top:22px;font-weight:750;transform:rotate(-12deg)}.planet::after{content:'✦';position:absolute;right:-15px;top:-10px;font-size:48px;color:var(--purple)}.floating-chip{position:absolute;background:var(--card);color:var(--ink);border-radius:12px;padding:10px 16px;transform:rotate(8deg);font-size:11px;bottom:5px;right:-10px;box-shadow:0 8px 30px #0002}.btn{background:var(--ink);color:white;padding:12px 18px;border-radius:10px;font-size:12px;font-weight:650;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;min-height:44px}.btn.lime{background:var(--lime);color:var(--ink)}.btn.light{background:var(--card);color:var(--ink);border:1px solid var(--line)}.btn.ghost{background:transparent;color:inherit;border:1px solid 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small{font-size:9px;letter-spacing:.14em}.book-cover h3{font-size:21px}.unit-map{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.map-row{display:flex;gap:16px;padding:18px;background:var(--card);border-radius:12px;border:1px solid var(--line);align-items:center}.map-row .number{font-size:24px;letter-spacing:-.04em;color:#7b8c7b;min-width:33px}.map-row h3{font-size:13px;margin:0}.map-row p{font-size:10px;color:var(--muted);margin:4px 0 0}.map-row button{margin-left:auto}.badge{display:inline-block;border-radius:8px;background:var(--paper);padding:4px 9px;font-size:9px;letter-spacing:.05em;font-weight:650}.learning-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:20px}.reading-panel{max-height:700px;overflow:auto}.reading-panel p{color:var(--ink);font-size:14px;line-height:1.85}.question-progress{height:5px;background:#e6eadc;border-radius:5px;margin:20px 0;overflow:hidden}.question-progress i{display:block;background:var(--ink);height:100%}.quiz-card 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0;color:var(--ink)}.flashcard{text-align:center;min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--purple);padding:30px;border-radius:18px}.flashcard h2{max-width:600px;line-height:1.5}.skill-row{margin:20px 0}.skill-row header{display:flex;justify-content:space-between;font-size:12px;margin-bottom:8px}.bar{height:8px;background:#e6eadc;border-radius:6px;overflow:hidden}.bar i{display:block;height:100%;background:var(--ink)}.timeline{padding:10px 0}.timeline div{padding:12px 0;border-bottom:1px solid var(--line);font-size:12px}.empty{text-align:center;padding:50px 20px}.empty .symbol{font-size:42px}.week{display:flex;gap:6px;flex-wrap:wrap;margin:16px 0}.week button{width:42px;height:42px;border-radius:50%;background:var(--paper);color:var(--ink);font-size:10px}.week button[aria-pressed="true"]{background:var(--lime);font-weight:700}.goal-controls{display:flex;gap:8px}.goal-controls 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#a56319;outline-offset:3px}@media(max-width:1180px){.hero-art{width:165px}.planet{width:145px;height:145px}.planet::before{font-size:65px;left:24px;top:12px}.sidebar{width:210px;padding:24px 15px}.shell{margin-left:210px}.topbar{padding:18px 24px}main{padding:28px 24px}.level-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.level-card-top{min-height:125px}.book-hero{grid-template-columns:1.4fr 1fr}}@media(max-width:850px){.sidebar{position:static;width:100%;height:auto;padding:16px 20px}.logo{font-size:32px}.profile,.nav-label,.sidebar-bottom{display:none}nav{display:flex;overflow:auto;margin-top:12px;gap:4px}nav a{white-space:nowrap;font-size:11px;padding:10px}nav a 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button{width:26px;flex-shrink:0}.level-select{font-size:11px}.xp-pill{font-size:10px}.stats-grid{gap:10px}.stat{padding:14px}.topbar{padding:12px 16px}.book-hero{padding:22px}.quiz-card h2{font-size:21px}.option{font-size:13px}.book-hero h2{font-size:27px}.actions .btn{flex:1}.chat-options button{font-size:12px}}@media(prefers-reduced-motion:no-preference){button,a{transition:background .16s,filter .16s}.level-card{transition:transform .2s}.level-card:hover{transform:translateY(-3px)}}

.sidebar{overflow-y:auto}.sidebar nav,.sidebar-bottom{flex-shrink:0}
input[type="file"]{display:block;width:100%;max-width:100%;min-width:0}.panel{min-width:0}input[type="file"]::file-selector-button{max-width:100%;white-space:normal}
.week,.goal-controls{flex-wrap:wrap}

.journey-next{background:var(--lime)}.journey-list{list-style:none;padding:0;display:grid;gap:12px}.journey-step{display:flex;align-items:center;gap:18px}.journey-step .number{font-size:24px;color:var(--muted)}.journey-step>div{flex:1;min-width:0}.journey-step h3{font-size:16px}.journey-step .btn{flex-shrink:0}.listening-settings{display:grid;grid-template-columns:2fr 1fr;gap:16px;margin:20px 0}.listening-settings select{max-width:100%;width:100%;min-height:44px;border:1px solid var(--line);border-radius:8px;color:var(--ink);background:var(--paper);padding:8px}.listening-question{border:0;border-top:1px solid var(--line);padding:24px 0;margin:18px 0}.listening-question legend{font-size:17px;font-weight:650;line-height:1.5;max-width:100%}.listening-question .option{margin-top:10px}.journey-list li{overflow-wrap:anywhere}@media(max-width:600px){.journey-step{flex-wrap:wrap}.journey-step>div{flex-basis:calc(100% - 55px)}.journey-step>.btn{width:100%}.listening-settings{grid-template-columns:1fr}} 

.persistence-warning{margin:0 0 18px;padding:18px;border:2px solid #846017}.persistence-warning strong{display:block}.persistence-warning .actions{flex-wrap:wrap}
/* PEC identity · navy, academy blue and gold. No motion is needed to use the map. */
:root{--ink:#061A3A;--muted:#52647C;--paper:#F3F7FE;--card:#FFFFFF;--line:#D9E3F1;--lime:#F0CD6A;--purple:#E5ECFC;--orange:#FFF0CF;--blue:#EAF6FF;--academy:#0040A0;--gold:#C7A24A}
body{background:radial-gradient(ellipse at 80% 0,#DFEFFF 0,transparent 45%),var(--paper);font-size:15px}.sidebar{width:220px;padding:28px 18px;background:#061A3A;color:white;border:0}.logo{color:#F0CD6A;font-size:38px;letter-spacing:-.06em;gap:10px}.logo span{font-size:8px;letter-spacing:.12em;color:#fff;background:#ffffff16;border:1px solid #ffffff20}.profile{margin:30px 10px 24px}.profile small{color:#AFBFD9}.avatar{color:#061A3A;background:linear-gradient(140deg,#FFE7A3,#C7A24A);box-shadow:0 0 0 5px #ffffff08}.nav-label{color:#A7BDE0;font-size:9px}.sidebar nav{gap:7px}.sidebar nav a{color:#B8CAE6;padding:13px 14px;font-size:13px;gap:12px;border:1px solid transparent;min-height:48px}.sidebar nav a:hover{background:#ffffff0c;color:white}.sidebar nav a[aria-current="page"]{background:linear-gradient(120deg,#1E73BE,#0040A0);border-color:#6CB5FC40;color:white;box-shadow:0 7px 22px #0002}.sidebar nav a[aria-current="page"] .game-icon{color:#F0CD6A}.sidebar nav .nav-text{width:auto;font-size:inherit;text-align:left}.game-icon{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;flex-shrink:0}.game-icon svg{width:100%;height:100%}.sidebar nav a .game-icon{width:20px;height:20px}.nav-tools{margin:3px 0 0;border-top:1px solid #ffffff18;padding-top:10px}.nav-tools>summary{display:flex;align-items:center;gap:12px;padding:12px 14px;font-size:13px;color:#B8CAE6;min-height:48px;list-style:none}.nav-tools>summary::-webkit-details-marker{display:none}.nav-tools>summary:after{content:'+';margin-left:auto;font-size:18px}.nav-tools[open]>summary:after{content:'−'}.sidebar .tools-menu a{font-size:11px;padding:9px 12px;min-height:40px}.sidebar .tools-menu .game-icon{width:13px;height:13px}.sidebar-bottom{border-color:#ffffff1a;margin-top:30px;padding:22px 10px}.sidebar-bottom p{color:#AFC2DF;font-size:11px;line-height:1.8}.mini-orbit{color:#F0CD6A}.demo-tag{background:#ffffff0c;color:#AFC2DF;font-size:8px}.shell{margin-left:220px}.topbar{background:#ffffffb3;min-height:76px;padding:16px 34px;border-bottom:1px solid #D9E3F1}.status-dot{background:#1E73BE;box-shadow:0 0 0 4px #EAF6FF}.xp-pill{background:#FFF1C7;border:1px solid #E9C969;color:#664300;font-size:12px;font-weight:750}.web-return{color:#B8CAE6!important;font-size:10px!important}.web-demo-note{margin:0!important;background:#EAF2FF!important;color:#405573!important;border:0!important;border-bottom:1px solid var(--line)!important;padding:9px 34px!important;font-size:10px!important;line-height:1.6}main{padding:30px 34px 40px;max-width:1440px}h1{font-weight:800}h2{font-size:23px}h3{font-weight:750}.eyebrow{font-size:9px;font-weight:800;letter-spacing:.14em}.btn{background:linear-gradient(135deg,#125CBB,#0040A0);border:1px solid #ffffff0a;border-radius:12px;font-size:12px;min-height:46px;padding:12px 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