:root{--bg: #f3eddf;--surface: #fffcf4;--surface-2: #f7f1e4;--ink: #17251d;--ink-2: #4c5a52;--ink-3: #8c968f;--forest: #1e4b37;--forest-2: #2d6a4e;--on-forest: #fff8e4;--sage: #dfe9dc;--sage-2: #edf2e8;--sun: #e4ae1e;--sun-soft: #fbefc8;--sun-ink: #6e5100;--danger: #a3341f;--danger-soft: #fbe3de;--line: rgba(30, 75, 55, .12);--line-2: rgba(30, 75, 55, .22);--radius: 18px;--font: "Vazirmatn", Tahoma, "Segoe UI", sans-serif;color-scheme:light}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--ink);font-family:var(--font);font-size:14.5px;line-height:1.75;-webkit-font-smoothing:antialiased}h1{font-size:22px;font-weight:800;margin:2px 0 14px}h2{font-size:16px;font-weight:800;margin:24px 0 10px}h3{font-size:14px;font-weight:800;margin:18px 0 8px;color:var(--ink-2)}h4{font-size:13px;font-weight:800;margin:14px 0 6px;color:var(--ink-2)}a{color:var(--forest);font-weight:700;text-underline-offset:3px}code{font-family:ui-monospace,Consolas,monospace;font-size:13px;background:var(--sage-2);border-radius:8px;padding:1px 8px}.muted{color:var(--ink-3);font-size:13px}.danger-text{color:var(--danger)}.grow{flex:1;min-width:0}.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.num{font-variant-numeric:tabular-nums}:focus-visible{outline:3px solid var(--sun);outline-offset:2px;border-radius:10px}.shell{min-height:100vh;display:grid;grid-template-columns:230px 1fr}.side{position:sticky;top:0;height:100vh;overflow-y:auto;padding:22px 14px 16px;background:var(--surface);border-inline-end:1px solid var(--line);display:flex;flex-direction:column;gap:18px}.brand{font-size:19px;font-weight:900;color:var(--forest);padding-inline:10px}.side nav{display:flex;flex-direction:column;gap:14px;flex:1}.nav-group{display:flex;flex-direction:column;gap:1px}.nav-title{font-size:11px;font-weight:800;color:var(--ink-3);padding:0 10px 4px;letter-spacing:.02em}.nav-link{color:var(--ink-2);text-decoration:none;padding:7px 10px;border-radius:12px;font-weight:700;font-size:13.5px}.nav-link:hover{background:var(--sage-2);color:var(--forest)}.nav-link.active{background:var(--sage);color:var(--forest)}.who{display:grid;gap:2px;padding:10px;border-radius:14px;background:var(--surface-2)}.who small{color:var(--ink-3)}.who .btn{margin-top:6px}.page{padding:26px clamp(16px,3vw,40px) 70px;max-width:1080px;width:100%}.center-screen{min-height:100vh;display:grid;place-items:center;padding:20px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin:12px 0}.card>h2:first-child{margin-top:0}.login{width:min(400px,100%);display:grid;gap:12px}.login h1{margin:0 0 4px}.group{margin:6px 0 14px}.tree{margin-bottom:4px}.tree-child{margin-inline-start:26px;border-inline-start:2px solid var(--line);padding-inline-start:12px}.item{padding:10px 14px;margin:6px 0}.edit{display:grid;gap:10px;margin-top:12px;padding-top:12px;border-top:1px dashed var(--line-2)}.add{margin:6px 0}.check{display:flex;align-items:center;gap:8px;font-weight:600}.check input{width:auto;min-height:0}.plain{list-style:none;padding:0;margin:0;display:grid;gap:6px}.lesson .num,.test-row .num{flex:none;width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:var(--sage);color:var(--forest);font-weight:800;font-size:12.5px}.lesson-text{margin-top:10px}.field{display:grid;gap:4px}.field-label{font-weight:700;font-size:12.5px;color:var(--ink-2)}.field-hint{color:var(--ink-3);font-size:12px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;margin-bottom:12px}input,select,textarea{width:100%;font:inherit;color:var(--ink);background:var(--surface-2);border:1.5px solid transparent;border-radius:12px;padding:8px 12px;min-height:40px;transition:border-color .15s,background .15s}input:hover,select:hover,textarea:hover{border-color:var(--line)}input:focus,select:focus,textarea:focus{border-color:var(--line-2);background:var(--surface);outline:none}input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--sun);outline-offset:1px}input:disabled,select:disabled,textarea:disabled{opacity:.55}input[type=file]{padding:6px 10px}input[type=search]{max-width:340px}fieldset{border:0;padding:0;margin:0;min-width:0}fieldset.tests{border-top:1px dashed var(--line-2);margin-top:14px;padding-top:12px}legend{font-weight:800;padding:0}progress{width:100%;height:8px;accent-color:var(--forest)}.picker-row{display:flex;align-items:center;gap:8px}.picker-row select{flex:1;min-width:0}.thumb{flex:none;width:44px;height:44px;border-radius:12px;background:var(--sage-2);border:1.5px dashed var(--line-2);overflow:hidden}.thumb img{width:100%;height:100%;object-fit:cover;display:block}.file-btn{cursor:pointer}.btn{font:inherit;font-weight:800;font-size:13.5px;border:0;border-radius:14px;padding:8px 16px;min-height:40px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:opacity .15s,transform .15s}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.btn-primary{background:var(--forest);color:var(--on-forest)}.btn-ghost{background:var(--sage-2);color:var(--forest)}.btn-ghost:hover{background:var(--sage)}.btn-icon{min-width:36px;min-height:36px;padding:0 8px;background:var(--surface-2);color:var(--ink-2);border-radius:12px}.btn-icon.danger{color:var(--danger)}.linklike{font:inherit;font-weight:800;text-align:start;background:none;border:0;color:var(--ink);cursor:pointer;padding:4px 0}.linklike:hover{color:var(--forest)}.notice{border-radius:14px;padding:9px 14px;margin:10px 0;font-size:13.5px;background:var(--sage-2)}.notice-error{background:var(--danger-soft);color:var(--danger)}.notice-ok{background:var(--sage);color:var(--forest)}.secret{user-select:all;font-size:14px;background:var(--surface)}.badge{font-size:11.5px;font-weight:800;padding:1px 10px;border-radius:99px}.badge-draft{background:var(--sun-soft);color:var(--sun-ink)}.badge-published{background:var(--forest);color:var(--on-forest)}.badge-archived{background:var(--surface-2);color:var(--ink-3)}.table-wrap{overflow-x:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:start;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:middle}.table th{font-size:12px;font-weight:800;color:var(--ink-3);border-bottom-color:var(--line-2);white-space:nowrap}.table tr:last-child td{border-bottom:0}.pager{justify-content:center;margin:12px 0}.actions{margin:14px 0}.test-row{display:grid;grid-template-columns:28px 1fr 140px 130px 38px;gap:8px;align-items:center;margin:8px 0}.range{margin:8px 0 14px;align-items:flex-end}.range .field{width:160px}.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:10px 0 6px}.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px}.kpi-value{font-size:21px;font-weight:900;color:var(--forest);line-height:1.5}.kpi-label{color:var(--ink-2);font-size:12.5px}.chart figcaption{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap;min-height:26px}.chart-svg{width:100%;height:150px;display:block;margin-top:6px}.chart-axis{stroke:var(--line-2);stroke-width:1}.chart-bar{fill:var(--forest-2)}.chart-bar.active{fill:var(--sun)}.chart-ends{display:flex;justify-content:space-between;font-size:12px;margin-top:4px}.stage{font-size:11.5px;font-weight:800;padding:1px 10px;border-radius:99px;background:var(--surface-2);white-space:nowrap}.stage-completed{background:var(--forest);color:var(--on-forest)}.stage-in_progress{background:var(--sun-soft);color:var(--sun-ink)}.progress{position:relative;height:18px;min-width:110px;background:var(--surface-2);border-radius:99px;overflow:hidden}.progress>span{position:absolute;inset-block:0;inset-inline-start:0;background:var(--sage)}.progress>small{position:relative;display:block;text-align:center;line-height:18px;font-weight:800;color:var(--ink)}.cert-preview{margin:12px 0;padding:16px;border-radius:16px;background:var(--sun-soft);text-align:center;display:grid;gap:4px}.preview{display:grid;gap:14px;padding-inline-start:22px}.preview-img{display:block;max-width:220px;border-radius:14px;margin:6px 0}.preview-video{display:block;max-width:360px;width:100%;border-radius:14px;margin-top:6px}@media(max-width:820px){.shell{grid-template-columns:1fr}.side{position:static;height:auto;padding:10px 12px;gap:8px;border-inline-end:0;border-bottom:1px solid var(--line)}.side nav{flex-direction:row;overflow-x:auto;gap:12px;padding-bottom:4px}.nav-group{flex-direction:row;align-items:center;gap:2px;flex:none}.nav-title{display:none}.nav-link{white-space:nowrap}.who{grid-template-columns:1fr auto;align-items:center}.who small,.who .btn{margin:0}.page{padding:16px 12px 50px}.test-row{grid-template-columns:28px 1fr 38px}.test-row input:nth-of-type(n+2){grid-column:2}.tree-child{margin-inline-start:12px}}