:root{--navy:#102753;--blue:#244ee8;--sky:#eaf1ff;--ink:#142a4d;--muted:#52647e;--line:#dce4f1;--bg:#f4f7fc;--green:#107051;--amber:#8a5600;--red:#ad2532}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.8 Tahoma,Arial,sans-serif}button,input,textarea,select{font:inherit}button,a,input,textarea,select{touch-action:manipulation}button,a{cursor:pointer}button{border:1px solid var(--line);border-radius:10px;padding:10px 17px;background:#fff;color:var(--ink);line-height:1.5}button:hover{border-color:var(--blue);background:var(--sky)}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--blue);border-color:var(--blue);color:#fff}button.dark{background:var(--navy);color:#fff;border-color:var(--navy)}button.small{font-size:14px;padding:7px 11px}button.danger{color:var(--red)}:focus-visible{outline:3px solid #e2a323;outline-offset:3px}a{color:var(--blue)}header{background:#fff;border-bottom:1px solid var(--line);padding:18px 30px;display:flex;gap:24px;align-items:center;justify-content:space-between}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--navy)}.brand>b{background:var(--blue);color:#fff;border-radius:13px;width:48px;height:48px;font:700 36px/48px Arial;text-align:center}.brand span{font:700 24px/1.3 Arial}.brand em{font-style:normal;color:var(--blue)}.brand small{display:block;font:13px/1.7 Tahoma;color:var(--muted)}.preview-tag{font-size:14px;background:#fff4d6;color:#74510a;padding:5px 12px;border-radius:7px}.role-label{font-size:13px;color:var(--muted)}select,input,textarea{border:1px solid #bfcce0;border-radius:8px;padding:10px;background:#fff;color:var(--ink);max-width:100%}select{display:block;min-width:190px}.app-shell{display:grid;grid-template-columns:235px minmax(0,1fr);max-width:1500px;margin:auto}aside{padding:28px 18px;border-left:1px solid var(--line);min-height:calc(100vh - 104px)}nav{display:grid;gap:8px}nav button{text-align:right;border:0;background:transparent}nav button.active{background:var(--navy);color:#fff}.aside-note{margin-top:30px;border-top:1px solid var(--line);padding-top:22px;font-size:14px}.aside-note p{color:var(--muted);line-height:2}#local-note{font-size:12px;color:var(--muted);margin-top:24px}main{padding:30px 34px 70px;min-width:0}h1,h2,h3,p{margin-top:0}h1{font-size:29px;line-height:1.5;margin-bottom:8px}h2{font-size:22px;line-height:1.6}h3{font-size:18px}p{margin-bottom:14px}.muted{color:var(--muted)}.small-text{font-size:14px}.eyebrow{font-size:13px;letter-spacing:1px;color:var(--blue);font-weight:bold}.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.between{justify-content:space-between}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.card{border:1px solid var(--line);background:#fff;border-radius:15px;padding:23px;margin-bottom:18px}.intro{background:var(--navy);color:#fff;display:grid;grid-template-columns:1fr auto;gap:25px;align-items:center}.intro p{color:#dae5fa;max-width:620px}.intro .eyebrow{color:#b9cdff}.intro .metric{font:700 56px/1 Arial}.intro .metric small{font:14px Tahoma;display:block;margin-top:10px}.stats{display:flex;gap:24px;flex-wrap:wrap;margin-top:15px;font-size:14px}.stats b{font:700 23px Arial;margin-left:5px}.stage-title{margin:28px 0 13px;display:flex;align-items:center;gap:12px}.stage-title span{font-size:14px;color:var(--muted);font-weight:normal}.level-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.level-card{display:flex;flex-direction:column;padding:20px;position:relative}.level-card h3{margin:16px 0 8px;min-height:58px}.level-card .actions{margin-top:auto;padding-top:17px}.level-card .actions button{width:100%}.number{width:42px;height:42px;background:var(--sky);border-radius:11px;color:var(--blue);font:700 23px/42px Arial;text-align:center}.pill{font-size:12px;padding:3px 9px;border-radius:6px;background:var(--sky);color:#244eaa;display:inline-block}.pill.green{background:#e5f5ec;color:var(--green)}.pill.amber{background:#fff4dc;color:var(--amber)}.pill.red{background:#fff0f0;color:var(--red)}.note{padding:13px 16px;background:var(--sky);border-radius:9px;margin:15px 0;color:#234b86;font-size:14px}.note.warning{background:#fff4dc;color:var(--amber)}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.lesson-row{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}.lesson-row:last-child{border-bottom:0}.lesson-row p{margin:4px 0 0;font-size:14px;color:var(--muted)}.checkpoint-row{margin:15px 0;padding:16px;background:#edf3ff;border-radius:10px;display:flex;align-items:center;justify-content:space-between;gap:12px}.step-nav{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:18px}.step-nav button{font-size:14px;padding:8px 12px}.step-nav button.selected{background:var(--navy);color:#fff;border-color:var(--navy)}.step-nav button.done:before{content:'✓ ';color:#2b9970}.english{direction:ltr;text-align:left;font:20px/1.9 Arial,sans-serif;background:#f5f8ff;padding:21px;border-radius:12px;white-space:pre-line}.english.inline{display:inline-block;font-size:18px;padding:5px 10px;margin:4px}.words{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.word{border:1px solid var(--line);padding:16px;border-radius:12px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:4px}.word b{font:700 22px Arial;direction:ltr;text-align:left}.word span{grid-column:1}.word button{grid-column:2;grid-row:1/3}.prompt{background:#f5f8ff;padding:18px;border-right:4px solid var(--blue);border-radius:8px;margin-bottom:18px}.field{display:block;margin:16px 0}.field>span{display:block;font-size:14px;margin-bottom:7px}.field input,.field textarea,.field select{width:100%}textarea{min-height:135px;resize:vertical;line-height:1.8}.answerbox{direction:ltr;text-align:left}.check{display:flex;gap:10px;align-items:flex-start;margin:12px 0}.check input{margin-top:7px;accent-color:var(--blue)}.q{padding:19px 0;border-bottom:1px solid var(--line)}.q-title{font-size:17px;font-weight:bold;margin-bottom:10px;unicode-bidi:plaintext}.options{display:grid;gap:8px}.option{display:flex;align-items:center;gap:10px;padding:10px 13px;border:1px solid var(--line);border-radius:8px;cursor:pointer;unicode-bidi:plaintext}.option input{accent-color:var(--blue)}.correct{background:#e7f5ee;border-color:#369e71}.incorrect{background:#fff0ef;border-color:#d17b75}.result{font-weight:bold;font-size:19px;margin:16px 0}.progress-track{background:#e3eaf6;height:7px;border-radius:9px;margin:15px 0;overflow:hidden}.progress-fill{height:100%;background:var(--blue)}.score{font:700 38px Arial}.rubric{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:14px}td,th{border-bottom:1px solid var(--line);padding:11px;text-align:right;vertical-align:top}th{background:#f5f8ff}details{border:1px solid var(--line);border-radius:9px;padding:13px;margin:12px 0}summary{cursor:pointer;font-weight:bold}ol,ul{padding-right:24px}li{margin-bottom:8px}.empty{text-align:center;padding:40px 20px}.recording{color:var(--red);font-weight:bold}.split-metric{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.split-metric>div{background:var(--sky);padding:17px;border-radius:10px}.top-back{margin-bottom:18px}.audio-controls{display:flex;gap:8px;flex-wrap:wrap;margin:15px 0}audio{max-width:100%}#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--navy);color:#fff;padding:12px 20px;border-radius:10px;display:none;max-width:90%;z-index:30;box-shadow:0 5px 25px #11264f30}#print-area{display:none}.print-page{break-after:page;padding:20px}.print-page h1{font-size:23px}.lines{min-height:130px;background:repeating-linear-gradient(#fff 0,#fff 31px,#c9d1dc 32px)}
@media(max-width:1100px){.level-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.words{grid-template-columns:repeat(2,minmax(0,1fr))}.app-shell{grid-template-columns:195px minmax(0,1fr)}main{padding:25px 22px}.preview-tag{display:none}.rubric{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){header{padding:14px 16px;gap:15px;flex-wrap:wrap}.brand span{font-size:22px}.role-label{width:100%}.role-label select{width:100%}.app-shell{display:block}aside{min-height:0;border:0;padding:12px 15px}nav{display:flex;gap:5px;overflow:auto;padding-bottom:4px}nav button{white-space:nowrap;font-size:14px;padding:9px 12px}.aside-note,#local-note{display:none}main{padding:18px 16px 50px}h1{font-size:25px}.intro{grid-template-columns:1fr}.intro .metric{display:none}.level-grid,.grid2{grid-template-columns:1fr}.level-card h3{min-height:0}.card{padding:19px}.lesson-row{grid-template-columns:34px 1fr;gap:10px}.lesson-row>button{grid-column:2;justify-self:start}.checkpoint-row{align-items:flex-start;flex-direction:column}.words{grid-template-columns:1fr 1fr;gap:8px}.word{padding:12px;grid-template-columns:1fr}.word b{font-size:20px}.word button{grid-column:1;grid-row:auto;font-size:13px}.split-metric{grid-template-columns:1fr}.english{font-size:19px;padding:16px}.step-nav button{font-size:13px}.rubric{grid-template-columns:1fr 1fr}}
@media print{body{background:white;color:black;font:12pt/1.7 Tahoma,Arial}.app-shell,header,#toast{display:none!important}#print-area{display:block!important}#print-area .english{font-size:13pt;color:black;background:white;padding:0}#print-area button{display:none}#print-area table{font-size:10pt}.print-page{page-break-after:always}h1,h2,h3{page-break-after:avoid}.no-print{display:none}@page{size:A4;margin:16mm}}

/* Content is available even in file viewers that do not execute scripts. */
body:not(.interactive-ready) .role-label,body:not(.interactive-ready) .interactive-nav,body:not(.interactive-ready) #local-note{display:none}
.interactive-ready .static-nav{display:none}.static-index{display:flex;flex-wrap:wrap;gap:10px}.static-index a,.static-nav a{display:block;padding:10px;background:#eaf1ff;border-radius:8px;text-decoration:none}.static-intro,.static-level{background:white;border:1px solid #dce4f1;padding:22px;border-radius:16px;margin-bottom:20px;scroll-margin-top:16px}.static-level details{border:1px solid #dce4f1;border-radius:10px;margin:12px 0;background:white}.static-level summary{cursor:pointer;font-weight:bold;padding:14px;background:#f2f6ff;border-radius:10px;overflow-wrap:anywhere}.static-lesson-body{padding:18px}.static-level p[dir=ltr]{text-align:left;line-height:1.9;unicode-bidi:isolate}.static-answer{font-size:14px}.static-level>details>p{padding:0 16px}.static-level li{margin-bottom:8px}.static-level h3{margin-top:24px}.static-level p{overflow-wrap:anywhere}@media(max-width:600px){.static-intro,.static-level{padding:14px}.static-lesson-body{padding:12px}.static-index{display:grid;grid-template-columns:1fr}.static-level h2{font-size:21px}}

.role-label,.preview-tag,#local-note{display:none!important}.prod-bar{padding:12px 24px;background:#eaf1ff;display:flex;gap:16px;align-items:center;flex-wrap:wrap}.prod-bar select{display:inline-block}.prod-bar a{font-weight:bold}.step-nav button[disabled]{opacity:.55}.prod-status{font-size:13px}
/* Restored lesson videos + AI booking */
.cp-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.ai-book-link{font-size:14px;padding:7px 11px;border-radius:10px;background:var(--blue);color:#fff;text-decoration:none;font-weight:bold}.ai-book-link:hover{background:var(--navy);color:#fff}.video-lesson video{width:100%;max-height:560px;background:#071225;border-radius:14px;margin:14px 0}.video-lesson .pill{font-size:14px;font-weight:bold}@media(max-width:760px){.cp-actions{width:100%}.cp-actions>*{width:100%;text-align:center}.video-lesson video{max-height:420px}}