/* Version 5: editable step homework, article conspects, real checklists and clean QR preview */
.course-finish-title{margin-top:12px}
.finish-link{border:1px solid color-mix(in srgb,var(--accent) 34%,var(--line));background:linear-gradient(135deg,var(--surface),color-mix(in srgb,var(--accent) 8%,var(--surface)))}
.finish-link .nav-icon{background:var(--accent-soft);color:var(--accent)}
.task-check{align-items:flex-start;cursor:pointer;border-radius:10px;padding:11px 10px;margin:0;background:transparent;transition:.15s}
.task-check:hover{background:var(--surface-2)}
.task-check input{appearance:none;-webkit-appearance:none;width:19px;height:19px;border:2px solid color-mix(in srgb,var(--muted) 58%,var(--line));border-radius:5px;background:var(--surface);margin:0;flex:0 0 auto;display:grid;place-items:center;cursor:pointer}
.task-check input:checked{background:var(--accent);border-color:var(--accent)}
.task-check input:checked:after{content:"✓";font-size:13px;line-height:1;color:#fff;font-weight:900}
.task-check input:checked+span{text-decoration:line-through;color:var(--muted)}
.checklist-progress{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:10px 12px;margin-bottom:8px;background:var(--surface-2);border-radius:11px;color:var(--muted);font-size:10px}

/* Conspect as a real article */
.lesson-article{display:grid;gap:24px;margin-top:16px}
.article-lead{font-size:16px;line-height:1.7;color:var(--text);margin:0;padding-bottom:18px;border-bottom:1px solid var(--line)}
.article-meta{display:flex;flex-wrap:wrap;gap:8px}.article-meta span{font-size:10px;padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:var(--surface-2);color:var(--muted)}
.article-toc{padding:16px 18px;border-left:4px solid var(--accent);background:color-mix(in srgb,var(--accent) 8%,var(--surface));border-radius:0 14px 14px 0}
.article-toc strong{display:block;margin-bottom:8px}.article-toc ol{margin:0;padding-left:21px;display:grid;gap:5px}.article-toc li{font-size:12px;color:var(--muted)}
.article-section{scroll-margin-top:100px}.article-section h3{font-size:21px;margin:0 0 10px}.article-section p{font-size:14px;line-height:1.75;margin:0 0 12px;color:var(--text)}.article-section ul,.article-section ol{margin:10px 0 0;padding-left:23px;display:grid;gap:8px}.article-section li{font-size:13px;line-height:1.6}
.article-steps{counter-reset:article-step;display:grid;gap:10px;margin-top:12px}.article-step{position:relative;padding:13px 14px 13px 52px;border:1px solid var(--line);border-radius:13px;background:var(--surface-2);font-size:13px;line-height:1.55}.article-step:before{counter-increment:article-step;content:counter(article-step);position:absolute;left:14px;top:12px;width:26px;height:26px;border-radius:8px;background:var(--accent);color:white;display:grid;place-items:center;font-size:11px;font-weight:900}
.article-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.article-link{display:flex;gap:10px;padding:13px;border:1px solid var(--line);border-radius:13px;background:var(--surface-2);text-decoration:none}.article-link:hover{border-color:var(--accent)}.article-link b{display:block;font-size:12px}.article-link span{display:block;font-size:10px;color:var(--muted);word-break:break-all;margin-top:3px}
.article-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px}.gallery-item{padding:0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--surface-2);color:var(--text);text-align:left}.gallery-item img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}.gallery-item span{display:block;padding:9px 10px;font-size:10px;color:var(--muted)}
.article-callout{padding:17px;border:1px solid color-mix(in srgb,var(--accent) 46%,var(--line));border-radius:15px;background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 15%,var(--surface)),var(--surface))}.article-callout b{display:block;margin-bottom:5px}.article-callout p{margin:0;font-size:13px;line-height:1.6}
.article-warning{padding:14px 16px;border-radius:13px;background:color-mix(in srgb,#ef9b32 13%,var(--surface));border:1px solid color-mix(in srgb,#ef9b32 45%,var(--line));font-size:12px;line-height:1.6}

/* Editable step report */
.report-editor{border:1px solid var(--line);border-radius:17px;background:var(--surface);overflow:hidden}
.report-editor-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line);background:var(--surface-2)}
.report-editor-head strong{font-size:14px}.report-editor-body{padding:16px}.report-editor .questionnaire{margin:0}.report-editor-status{display:inline-flex;align-items:center;gap:6px;font-size:9px;color:var(--muted);margin-top:4px}.report-editor-status:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--line)}.report-editor-status.filled:before{background:var(--green)}
.report-autosave{font-size:10px;color:var(--muted);margin-top:10px}.report-file-row{display:grid;gap:7px}.current-files{min-height:34px;padding:8px 10px;border:1px dashed var(--line);border-radius:10px;color:var(--muted);font-size:10px}
.report-sticky-actions{position:sticky;bottom:12px;z-index:8;padding:12px;border-radius:15px;background:color-mix(in srgb,var(--surface) 94%,transparent);border:1px solid var(--line);box-shadow:var(--shadow);backdrop-filter:blur(14px)}

/* QR */
.qr-preview{background:#fff!important;border:1px solid #d8e0ec;padding:14px;box-shadow:0 12px 28px rgba(4,14,29,.16)}
.qr-preview canvas{display:block;width:100%!important;height:100%!important;image-rendering:pixelated}
.qr-downloads{display:grid;grid-template-columns:1fr 1fr;gap:10px}.qr-downloads .btn{width:100%;min-height:46px}
.qr-caption{display:inline-flex;padding:5px 8px;border-radius:999px;background:#edf2fa;color:#24344f;font-size:9px;font-weight:800;margin-bottom:8px}

@media(max-width:760px){.article-links,.article-gallery{grid-template-columns:1fr}.report-editor-head{align-items:flex-start}.qr-downloads{grid-template-columns:1fr}}