/* NeoBrain Learn — рабочая область урока (Mimo-style) */
.learn-track{margin-bottom:32px}
.learn-course-card .learn-progress-bar{margin-top:10px;height:6px;background:var(--line);border-radius:99px;overflow:hidden}
.learn-progress-fill{height:100%;background:var(--ok);border-radius:99px;transition:width .3s}
.learn-progress-label{display:block;margin-top:6px;font-size:.85rem}
.learn-lesson-list{list-style:none;padding:0;margin:0}
.learn-lesson-item{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.learn-lesson-item.done .learn-lesson-num{background:var(--ok);color:#052e16}
.learn-lesson-num{width:28px;height:28px;border-radius:50%;background:var(--badge-bg);display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700}
.learn-badge-ok{color:var(--ok);font-size:.85rem;margin-left:8px}

.learn-lesson-head{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:16px}
.learn-lesson-nav{display:flex;gap:8px;flex-wrap:wrap}

.learn-workspace{display:grid;grid-template-columns:minmax(220px,1fr) minmax(280px,1.4fr) minmax(220px,1fr);gap:14px;align-items:stretch;margin-bottom:32px}
.learn-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;min-height:420px}
.learn-panel-head{padding:10px 12px;border-bottom:1px solid var(--line);font-weight:600;font-size:.9rem;display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}
.learn-theory .learn-prose{padding:14px 16px;flex:1;overflow-y:auto;font-size:.95rem;line-height:1.55}
.learn-prose h1,.learn-prose h2,.learn-prose h3{margin:0 0 8px;font-size:1.05rem}
.learn-prose p{margin:0 0 10px}
.learn-prose ul,.learn-prose ol{margin:0 0 10px;padding-left:1.2rem}
.learn-prose code{background:var(--badge-bg);padding:2px 6px;border-radius:4px;font-size:.88em}
.learn-prose pre{background:var(--input-bg);padding:10px;border-radius:8px;overflow-x:auto;font-size:.85rem}
.learn-steps{padding:12px 16px;border-top:1px solid var(--line)}

.learn-tabs{display:flex;gap:4px;flex-wrap:wrap}
.learn-tab{padding:4px 10px;border-radius:6px;border:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer;font-size:.82rem}
.learn-tab.active{background:var(--badge-bg);color:var(--ink);border-color:var(--brand)}
.learn-code-actions{display:flex;gap:6px}
.learn-editor{flex:1;min-height:200px;margin:0;padding:12px;border:none;background:var(--input-bg);color:var(--ink);font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.88rem;line-height:1.45;resize:none;width:100%}
.learn-editor:focus{outline:2px solid var(--brand);outline-offset:-2px}
.learn-preview-wrap{border-top:1px solid var(--line)}
.learn-preview{width:100%;height:220px;border:none;background:#fff}

.learn-check-results{padding:12px;border-top:1px solid var(--line);font-size:.9rem}
.learn-check-item{padding:6px 0;display:flex;gap:8px;align-items:flex-start}
.learn-check-item.ok{color:var(--ok)}
.learn-check-item.fail{color:#f87171}

.learn-mentor-messages{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px;min-height:200px;max-height:360px}
.learn-mentor-msg{max-width:95%;padding:8px 12px;border-radius:14px;font-size:.88rem;line-height:1.45;white-space:pre-wrap}
.learn-mentor-msg.user{align-self:flex-end;background:var(--brand);color:#fff;border-bottom-right-radius:4px}
.learn-mentor-msg.ai{align-self:flex-start;background:var(--badge-bg);color:var(--ink);border-bottom-left-radius:4px}
.learn-mentor-typing{padding:0 12px 8px;color:var(--muted);font-size:.8rem;font-style:italic}
.learn-mentor-form{display:flex;gap:6px;padding:10px;border-top:1px solid var(--line)}
.learn-mentor-form input{flex:1;margin:0}
.learn-mentor-form button{width:38px;border-radius:var(--radius);background:var(--brand);color:#fff;border:none;cursor:pointer;font-size:16px}

.learn-track-projects .learn-course-project{border-color:var(--brand);box-shadow:0 0 0 1px var(--badge-bg)}
.learn-track-production{border-left:3px solid var(--ok);padding-left:12px}
.learn-track-production h2{color:var(--ok)}
.learn-track-production h3.learn-track-title{color:var(--ok)}
.learn-vision{margin-top:8px;font-size:.95rem;max-width:720px}
.learn-badge-project{display:inline-block;font-size:.72rem;font-weight:700;padding:3px 8px;border-radius:6px;background:var(--brand);color:#fff;margin-right:6px;vertical-align:middle}
.learn-course-card h3 .learn-badge-project{font-size:.65rem;padding:2px 6px;margin-left:6px}
.learn-badge-production{display:inline-block;font-size:.72rem;font-weight:700;padding:3px 8px;border-radius:6px;background:var(--ok);color:#052e16;margin-right:6px;vertical-align:middle}
.learn-course-card h3 .learn-badge-production{font-size:.65rem;padding:2px 6px;margin-left:6px}
.learn-free-banner{margin-top:10px;padding:10px 14px;background:var(--badge-bg);border-radius:8px;display:inline-block}
.learn-comfort{padding:12px 16px;margin:0 0 10px;background:var(--badge-bg);border-radius:8px;font-size:.9rem;line-height:1.45}
.learn-comfort-inline{margin-top:10px}
.learn-donate-card{border-style:dashed}
.learn-mentor-quick{display:flex;flex-wrap:wrap;gap:6px;padding:8px 10px;border-bottom:1px solid var(--line)}
.learn-quick-btn{padding:4px 10px;border-radius:99px;border:1px solid var(--line);background:var(--input-bg);color:var(--ink);font-size:.75rem;cursor:pointer}
.learn-quick-btn:hover{border-color:var(--brand);color:var(--brand)}

.learn-stats-bar{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:14px}
.learn-stat{font-size:.95rem;color:var(--muted)}
.learn-streak{color:var(--ok)}
.learn-xp-toast{margin:8px 12px;padding:10px 14px;background:var(--ok);color:#052e16;border-radius:8px;font-weight:600;font-size:.9rem;animation:learnXpPop .4s ease}
@keyframes learnXpPop{from{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}

/* ===== Лендинг курсов (learn.ejs) ===== */
.learn-hero{padding:56px 0 40px}
.learn-pill{display:inline-block;padding:6px 14px;border-radius:999px;background:var(--badge-bg);color:var(--brand);font-weight:700;font-size:.85rem;margin-bottom:14px}
.learn-hero-cta{justify-content:center;margin:18px 0 4px}
.learn-section{margin:44px 0}
.learn-section h2{font-size:28px;margin:0 0 8px}
.learn-section-lead{max-width:760px;margin:0 0 20px}
.learn-trust-strip{margin:0 0 8px}
.learn-track-title{font-size:22px;margin:0 0 4px}
.learn-outcome-cards .card h3{margin-bottom:6px}
.learn-path{list-style:none;padding:0;margin:20px 0;display:grid;gap:0}
.learn-path li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.learn-path li:last-child{border-bottom:none}
.learn-path-num{flex:0 0 34px;height:34px;border-radius:20px;background:var(--badge-bg);color:var(--brand);font-weight:800;display:inline-flex;align-items:center;justify-content:center;font-size:14px}
.learn-path li div strong{display:block;margin-bottom:2px}
.learn-path li div p{margin:0}
.learn-path-section{padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:14px}

/* Живой пример: демо-сайт (Кофейня) */
.learn-demo-section{margin:44px 0 8px}
.learn-demo{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(260px,.85fr);gap:24px;align-items:stretch}
.learn-demo-preview{display:block;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--panel);box-shadow:0 10px 30px rgba(0,0,0,.06);text-decoration:none;color:inherit;transition:transform .25s,box-shadow .25s}
.learn-demo-preview:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(0,0,0,.14)}
.learn-demo-bar{display:flex;align-items:center;gap:6px;padding:10px 12px;background:var(--badge-bg);border-bottom:1px solid var(--line)}
.learn-demo-dot{width:10px;height:10px;border-radius:50%;background:var(--line)}
.learn-demo-dot:first-child{background:#f87171}
.learn-demo-dot:nth-child(2){background:#fbbf24}
.learn-demo-dot:nth-child(3){background:#34d399}
.learn-demo-url{flex:1;text-align:center;font-size:.8rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.learn-demo-body{padding:18px;display:block}
.learn-demo-hero{display:block;background:linear-gradient(135deg,#4e342e,#8d6e63);color:#fff;border-radius:10px;padding:22px 18px;margin-bottom:14px;text-align:center}
.learn-demo-hero b{display:block;font-size:1.15rem;margin-bottom:6px}
.learn-demo-hero i{display:block;font-style:normal;opacity:.9;font-size:.9rem}
.learn-demo-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.learn-demo-card{display:block;background:var(--input-bg);border:1px solid var(--line);border-radius:10px;padding:12px;text-align:center}
.learn-demo-card b{display:block;font-size:.95rem;margin-bottom:4px}
.learn-demo-card i{display:block;font-style:normal;color:var(--muted);font-size:.85rem}
.learn-demo-info{display:flex;flex-direction:column;justify-content:center;gap:12px}
.learn-demo-info h3{font-size:20px;margin:0}
.learn-demo-info p{margin:0}
.learn-demo-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.learn-demo-list li{padding-left:22px;position:relative}
.learn-demo-list li::before{content:'✓';position:absolute;left:0;color:var(--ok);font-weight:800}
.learn-demo-cta{flex-wrap:wrap}

@media (max-width: 900px){
  .learn-demo{grid-template-columns:1fr}
}

@media (max-width: 1024px) {
  .learn-workspace{grid-template-columns:1fr}
  .learn-panel{min-height:auto}
  .learn-editor{min-height:160px}
  .learn-section{margin:32px 0}
  .learn-hero{padding:40px 0 28px}
  .learn-section h2{font-size:24px}
}