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strong{color:var(--color-success)}.train-layout{display:grid;grid-template-columns:300px 1fr;gap:var(--space-3);align-items:start}@media (max-width:840px){.train-layout{grid-template-columns:1fr}}.train-sidebar{display:flex;flex-direction:column;gap:var(--space-2)}.mod-card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-2) var(--space-3);cursor:pointer;transition:box-shadow var(--dur-fast) var(--ease-out),border-color var(--dur-fast)}.mod-card:hover{box-shadow:var(--shadow-2)}.mod-card.active{border-color:var(--color-brand-blue);box-shadow:var(--shadow-focus)}.mod-card.locked{opacity:.7}.mod-card-top{display:flex;justify-content:space-between;align-items:center;gap:var(--space-1)}.mod-title{font-size:.92rem;font-weight:600;color:var(--color-deep-blue)}.mod-tier{font-size:.68rem;font-weight:700;padding:2px 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var(--color-border)}.mod-lesson-item{display:flex;align-items:center;gap:8px;padding:6px 0;font-size:.82rem;cursor:pointer;border-radius:var(--radius-sm);transition:background var(--dur-fast)}.mod-lesson-item:hover{background:var(--color-bg-light)}.mod-lesson-item.active{background:var(--color-info-light);font-weight:600}.mod-lesson-dot{width:14px;height:14px;border-radius:50%;border:2px solid var(--color-border);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:.55rem;font-weight:700}.mod-lesson-dot.completed{background:var(--color-savings);border-color:var(--color-savings);color:#fff}.mod-lesson-dot.in_progress{background:var(--color-brand-blue);border-color:var(--color-brand-blue);color:#fff}.mod-lesson-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mod-lesson-time{font-size:.72rem;color:var(--color-text-faint);white-space:nowrap}.mod-icon{font-size:1.1rem;flex-shrink:0}.train-welcome{padding:var(--space-4)}.train-welcome-intro{text-align:center;padding:var(--space-4) 0}.train-welcome-module{text-align:center;margin-bottom:var(--space-3)}.train-start-hint{display:flex;align-items:center;gap:var(--space-1);justify-content:center;margin-top:var(--space-3);padding:var(--space-2) var(--space-3);background:var(--color-info-light);border-radius:var(--radius-md);font-size:.88rem;color:var(--color-brand-blue)}.train-start-arrow{font-size:1.2rem;animation:pulse-left 1.5s ease-in-out infinite}@keyframes pulse-left{0%,to{transform:translate(0)}50%{transform:translate(-5px)}}.train-main{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-4);min-height:400px}.train-lesson-header{display:flex;align-items:flex-start;gap:var(--space-2);margin-bottom:var(--space-3);flex-wrap:wrap}.train-back-btn{background:none;border:1px solid var(--color-border);padding:6px 12px;border-radius:var(--radius-sm);font-size:.82rem;cursor:pointer;color:var(--color-text-muted);transition:border-color var(--dur-fast),color var(--dur-fast);white-space:nowrap}.train-back-btn:hover{border-color:var(--color-brand-blue);color:var(--color-brand-blue)}.train-lesson-meta{flex:1;min-width:0}.train-lesson-meta h2{font-size:1.25rem;margin:4px 0 0}.train-lesson-badges{display:flex;gap:var(--space-1);margin-top:6px;flex-wrap:wrap}.train-badge{font-size:.72rem;font-weight:600;padding:2px 8px;border-radius:var(--radius-full)}.train-badge.time{background:var(--color-bg-light);color:var(--color-text-muted)}.train-badge.status{background:var(--color-info-light);color:var(--color-brand-blue)}.train-badge.done{background:var(--color-success-light);color:var(--color-success)}.train-lesson-actions{display:flex;gap:var(--space-1)}.train-bookmark-btn{background:none;border:1px solid var(--color-border);width:36px;height:36px;border-radius:var(--radius-sm);cursor:pointer;font-size:1.1rem;color:var(--color-text-faint);transition:color var(--dur-fast),border-color var(--dur-fast)}.train-bookmark-btn:hover,.train-bookmark-btn.bookmarked{color:var(--color-cta);border-color:var(--color-cta)}.train-lesson-body{line-height:1.7;font-size:.95rem}.train-lesson-body h1,.train-lesson-body h2,.train-lesson-body h3{margin:var(--space-3) 0 var(--space-1);color:var(--color-deep-blue)}.train-lesson-body h2{font-size:1.15rem}.train-lesson-body h3{font-size:1rem}.train-lesson-body p{margin:0 0 var(--space-2)}.train-lesson-body ul,.train-lesson-body ol{margin:0 0 var(--space-2);padding-left:var(--space-3)}.train-lesson-body li{margin-bottom:6px}.train-lesson-body code{background:var(--color-bg-light);padding:2px 6px;border-radius:var(--radius-xs);font-size:.88em;font-family:var(--font-mono)}.train-lesson-body blockquote{border-left:3px solid var(--color-brand-blue);margin:0 0 var(--space-2);padding:var(--space-1) var(--space-2);background:var(--color-info-light);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-style:italic}.train-lesson-body .video-embed{margin:var(--space-2) 0;border-radius:var(--radius-md);overflow:hidden}.train-lesson-body .video-embed iframe{width:100%;aspect-ratio:16/9;border:none}.train-lesson-footer{margin-top:var(--space-3);padding-top:var(--space-2);border-top:1px solid var(--color-border);display:flex;justify-content:space-between;align-items:center;gap:var(--space-2);flex-wrap:wrap}.train-footer-left{display:flex;align-items:center;gap:var(--space-2);flex-wrap:wrap}.train-complete-btn{background:var(--color-savings);color:#fff;border:none;padding:10px 24px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;cursor:pointer;transition:background var(--dur-fast),transform var(--dur-fast)}.train-complete-btn:hover{background:#6aad2e;transform:translateY(-1px)}.train-complete-btn:disabled{opacity:.5;cursor:default;transform:none}.train-next-btn{background:var(--color-brand-blue);color:#fff;border:none;padding:10px 20px;border-radius:var(--radius-sm);font-size:.88rem;font-weight:600;cursor:pointer;transition:background var(--dur-fast),transform var(--dur-fast);display:inline-flex;align-items:center;gap:6px}.train-next-btn:hover{background:var(--color-deep-blue);transform:translateY(-1px)}.train-rating{display:flex;align-items:center;gap:var(--space-1);font-size:.85rem;color:var(--color-text-muted)}.train-rating button{background:none;border:none;font-size:1.2rem;cursor:pointer;padding:2px;transition:transform var(--dur-fast);color:var(--color-border-strong)}.train-rating button:hover{transform:scale(1.2)}.train-rating button.rated{color:var(--color-cta)}.train-locked-card{text-align:center;padding:var(--space-5) var(--space-4)}.train-locked-icon{font-size:3rem;margin-bottom:var(--space-2);opacity:.6}.train-locked-card h2{margin-bottom:var(--space-1)}.train-locked-card p{max-width:400px;margin:0 auto var(--space-2)}.train-checklist{margin:var(--space-3) auto 0;padding:var(--space-2) var(--space-3);background:var(--color-bg-light);border-radius:var(--radius-md);text-align:left;max-width:500px}.train-checklist h3{font-size:.92rem;margin:0 0 var(--space-1)}.train-checklist-item{display:flex!important;align-items:center;gap:8px;padding:6px 0;font-size:.85rem;cursor:pointer;text-align:left}.train-checklist-item input[type=checkbox]{accent-color:var(--color-savings);flex-shrink:0}.train-downloads{margin:var(--space-3) auto 0;text-align:left;max-width:500px}.train-downloads h3{font-size:.92rem;margin:0 0 var(--space-1);text-align:center}.train-dl-item{display:flex;align-items:center;gap:8px;padding:8px 0;font-size:.85rem;border-bottom:1px solid var(--color-border)}.train-dl-item:last-child{border-bottom:none}.train-dl-btn{background:var(--color-brand-blue);color:#fff;border:none;padding:6px 14px;border-radius:var(--radius-sm);font-size:.78rem;font-weight:600;cursor:pointer;transition:background var(--dur-fast),transform var(--dur-fast);white-space:nowrap}.train-dl-btn:hover{background:var(--color-deep-blue);transform:translateY(-1px)}.train-dl-soon{font-size:.75rem;font-weight:600;color:var(--color-text-muted);background:var(--color-bg-light);padding:4px 12px;border-radius:var(--radius-full);white-space:nowrap}.train-dl-icon{font-size:1.2rem;flex-shrink:0}.train-dl-video{background:#c62828;text-decoration:none;display:inline-flex;align-items:center;gap:4px}.train-dl-video:hover{background:#b71c1c}.locked-feature-card{text-align:center;padding:var(--space-5) var(--space-3);background:var(--color-bg-light);border:1px solid var(--color-border);border-radius:var(--radius-lg)}.locked-feature-icon{color:var(--color-text-muted);margin-bottom:var(--space-2)}.locked-feature-card h2{font-size:1.3rem;color:var(--color-deep-blue);margin-bottom:var(--space-1)}.locked-feature-card p{font-size:.9rem;color:var(--color-text-muted);max-width:480px;margin:0 auto var(--space-3);line-height:1.6}.locked-feature-actions{display:flex;gap:var(--space-2);justify-content:center;flex-wrap:wrap}[hidden]{display:none!important}@media (max-width:640px){.train-header{flex-direction:column}.train-progress-summary{text-align:left}}