.eng-shell{max-width:1280px;margin:auto;padding:30px 24px 90px}.eng-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;padding:48px;border-radius:28px;background:linear-gradient(125deg,#f4eefc,#e8eff7);color:#221537}.eng-hero h1{font-size:clamp(32px,4vw,55px);line-height:1.3;margin:18px 0}.eng-hero em{font-style:normal;color:#6540a4}.eng-hero p{line-height:1.9;margin-bottom:24px;max-width:540px}.eng-hero .btn{margin:6px 8px 0 0}.eng-eyebrow{font-size:12px;letter-spacing:.07em;color:#74549b;font-weight:700}.eng-blueprint{background:#261b42;border-radius:22px;padding:24px;transform:rotate(2deg);box-shadow:0 18px 40px #33234b20;color:#efddac}.eng-blueprint svg{width:100%;background-image:linear-gradient(#ffffff09 1px,transparent 1px),linear-gradient(90deg,#ffffff09 1px,transparent 1px);background-size:20px 20px}.eng-blueprint path{fill:none;stroke:#eee2ff;stroke-width:2.5}.eng-blueprint text{fill:#e5c68e;font-size:12px}.eng-blueprint>span{font-size:13px}.eng-section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:42px 0 20px}.eng-section-head h2{margin:10px 0;font-size:26px}.eng-pill{background:#eee6f6;color:#603d87;padding:9px 14px;border-radius:20px;font-size:13px;white-space:nowrap}.eng-course-grid{display:grid;grid-template-columns:280px 1fr;gap:22px}.eng-panel{border:1px solid #e2dbea;background:var(--surface,#fff);border-radius:20px;padding:28px;min-width:0}#lessons{display:flex;flex-direction:column;gap:8px}#lessons button{text-align:left;border:1px solid #e2dbea;background:var(--surface,#fff);padding:15px;border-radius:12px;font:inherit;cursor:pointer;color:inherit}#lessons button[aria-current=true]{border-color:#7650ab;background:#eee6f6;color:#482875}#lesson h3{font-size:25px;margin-top:8px}#lesson p,#lesson li{line-height:1.95}#lesson .eng-task{background:#f1edf7;color:#332449;padding:20px;border-radius:14px;margin:22px 0}.eng-quiz{border-top:1px solid #e2dbea;padding-top:18px;margin-top:20px}.eng-quiz button{margin:6px 10px 6px 0}.eng-controls{display:flex;align-items:end;gap:12px;flex-wrap:wrap}.eng-controls label{font-size:12px;display:flex;flex-direction:column;gap:6px}.eng-controls input:not([type=checkbox]),.eng-controls select,.eng-text-field input{border:1px solid #d9d0e5;border-radius:9px;padding:10px;font:inherit;background:white;color:#302443;min-width:0}.eng-controls input[type=color]{width:50px;height:43px;padding:4px}.eng-check{flex-direction:row!important;align-self:center;align-items:center}.eng-tools{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 14px}.eng-tools button{border:1px solid #dacde8;border-radius:10px;background:#f6f3fa;color:#483262;font:inherit;padding:12px 15px;cursor:pointer;min-height:46px}.eng-tools button[aria-pressed=true]{background:#6540a4;color:white;border-color:#6540a4}.eng-options .btn{font-size:12px;padding:10px 12px}.eng-hint{font-size:13px;line-height:1.8;color:var(--text-dim,#736780)}.eng-paper{border:1px solid #cec2df;border-radius:12px;overflow:hidden;margin-top:14px;background:white}#sketch{display:block;width:100%;height:auto;touch-action:none;user-select:none}#sketch:focus-visible{outline:3px solid #b38be0;outline-offset:-3px}.eng-board-footer{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:#776987;margin:12px 0 20px}.eng-text-field{display:block;font-size:13px;margin:12px 0}.eng-text-field[hidden]{display:none}.eng-text-field input{display:block;margin-top:6px;width:min(100%,480px)}.eng-exports{border-top:1px solid #e2dbea;padding-top:18px}.eng-exports label{font-size:14px;cursor:pointer}.eng-editor #status{min-height:24px;color:#603d87;font-size:14px}.eng-options button:disabled{opacity:.4;cursor:default}.eng-task .btn{margin-top:12px}@media(max-width:760px){.eng-shell{padding:18px 14px 65px}.eng-hero{grid-template-columns:1fr;padding:26px;gap:24px}.eng-blueprint{max-width:420px}.eng-course-grid{grid-template-columns:1fr}#lessons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}#lessons button{font-size:12px;padding:12px}.eng-panel{padding:18px}.eng-section-head{align-items:start}.eng-section-head h2{font-size:21px}.eng-tools button{font-size:12px;padding:11px 12px}.eng-controls>label:first-child{flex:1;min-width:150px}.eng-paper{margin-left:-5px;margin-right:-5px}.eng-exports .btn{font-size:12px}.eng-pill{font-size:11px}}

.eng-paper{overflow:auto;max-height:620px}.eng-zoom{align-items:center;margin-top:15px}.eng-zoom .btn{padding:8px 14px}.eng-zoom span{font-size:12px;min-width:45px;text-align:center}@media(max-width:760px){.eng-paper{max-height:480px}}

.eng-cover{margin:0;position:relative;border-radius:22px;overflow:hidden;box-shadow:0 18px 40px #33234b20;background:#f5f1e9}.eng-cover img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}.eng-cover figcaption{position:absolute;bottom:14px;left:14px;right:14px;padding:10px 14px;border-radius:12px;background:#fbf8f0ed;color:#45315d;font-size:12px;text-align:center}