.sr-only{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}:disabled:not(fieldset),[aria-disabled=true]{background:var(--surface-subtle)!important;border-color:var(--border-card)!important;color:var(--text-faint)!important;cursor:not-allowed!important;box-shadow:none!important}.btn:has(:disabled){background:var(--surface-subtle)!important;border-color:var(--border-card)!important;color:var(--text-faint)!important;cursor:not-allowed!important;box-shadow:none!important}.selectable-row-label:has(:disabled){background:var(--surface-subtle)!important;border-color:var(--border-card)!important;color:var(--text-faint)!important;cursor:not-allowed!important;box-shadow:none!important}.selectable-row,.proposal-row-form,.proposal-row-skeleton{padding:var(--space-12) var(--space-16);border:1px solid var(--border-card);border-radius:var(--radius-control);background:var(--surface);color:var(--text)}.selectable-row{--selectable-row-text-min:322.6px;isolation:isolate;align-items:start;gap:var(--space-12);grid-template-columns:20px minmax(0,1fr);display:grid;position:relative}.selectable-row[data-has-leading]{grid-template-columns:max-content 20px minmax(0,1fr)}.selectable-row[data-selected]{background:var(--canvas);border-color:var(--text)}.selectable-row:has(>.selectable-row-label :disabled){background:var(--surface-subtle);border-color:var(--border-card);color:var(--text-faint)}.selectable-row-label{grid-column:1/-1;grid-template-columns:subgrid;min-width:0;min-height:var(--control-h);cursor:pointer;align-items:start;display:grid}.selectable-row-label:before{content:"";position:absolute;inset:0}.selectable-row-leading,.selectable-row-target,.selectable-row-content,.selectable-row-tools{min-height:var(--control-h);align-self:start}.selectable-row-leading,.selectable-row-target,.selectable-row-content{align-items:center;display:grid}.selectable-row-leading,.selectable-row-target,.selectable-row-content,.selectable-row-tools,.selectable-row-below{z-index:1;position:relative}.selectable-row-content{min-width:0}.selectable-row-target{place-items:center}.selectable-row-checkbox{width:18px;height:18px;accent-color:var(--primary);margin:0}.selectable-row-tools{justify-content:flex-end;align-items:center;gap:var(--space-12);flex-wrap:wrap;grid-area:1/-2/auto/-1;display:flex}.selectable-row-below{grid-area:2/2/auto/-1;min-width:0}.selectable-row[data-has-leading]>.selectable-row-below{grid-column:3/-1}.selectable-row[data-has-tools]{contain:inline-size;flex-wrap:wrap;align-items:flex-start;display:flex}.selectable-row[data-has-tools]>.selectable-row-label{gap:var(--space-12);flex:1 1 min-content;min-width:0;max-width:100%;margin-right:calc(-1 * var(--selectable-row-indent));display:flex}.selectable-row[data-has-tools]>.selectable-row-label>.selectable-row-leading{flex:none}.selectable-row[data-has-tools]>.selectable-row-label>.selectable-row-target{flex:none;width:20px}.selectable-row[data-has-tools]>.selectable-row-label>.selectable-row-content{width:var(--selectable-row-text-min);flex:auto;min-width:0}.selectable-row[data-has-tools]>.selectable-row-tools{margin-left:var(--selectable-row-indent);flex:0 auto;justify-content:flex-start}.selectable-row[data-has-tools]>.selectable-row-below{flex:1 0 calc(100% - var(--selectable-row-indent));margin-left:var(--selectable-row-indent)}.btn:has(:focus-visible){box-shadow:var(--focus-ring)}.btn-row{gap:var(--s3);flex-wrap:wrap;align-items:center;display:flex}.unmet{gap:var(--s1);justify-items:end;display:grid}.unmet-note{color:var(--muted);font-size:13px}.btn-row:not([data-action-row])>.unmet{justify-items:start}.split-edit{gap:var(--space-16);flex-direction:column;display:flex}.split-edit-track{position:relative}.split-handle{width:var(--control-h);height:var(--control-h);cursor:col-resize;touch-action:none;position:absolute;top:50%;transform:translate(-100%,-50%)}.split-handle[data-edge=start]{transform:translateY(-50%)}.split-handle:after{content:"";width:var(--space-2);height:var(--space-20);background:var(--primary);border-radius:calc(var(--space-2) / 2);position:absolute;top:50%;right:0;transform:translateY(-50%)}.split-handle[data-edge=start]:after{left:0;right:auto}.split-edit-steppers{gap:var(--space-16);flex-wrap:wrap;display:flex}.state-note{color:var(--text-muted);font-size:14px}.state-loading-line{align-items:center;gap:var(--space-8);display:flex}.state-loading{gap:var(--space-4);display:grid}.state-failure>div{flex:1;min-width:0}.state-failure [data-action-row]{margin-top:var(--space-12)}.state-waiting{gap:var(--space-12);padding:var(--space-12) var(--space-20);border:1px solid var(--border);border-radius:var(--radius-control);background:var(--surface);color:var(--text);font-size:14px;display:grid}.state-waiting p{margin:0}.chip{align-items:center;gap:var(--s1);border-radius:var(--r-pill);padding:var(--s1) var(--s2);white-space:nowrap;font-variant-numeric:tabular-nums;font-size:11.5px;font-weight:700;display:inline-flex}.chip.green{background:var(--green-tint);color:var(--green-deep)}.chip.amber{background:var(--amber-tint);color:var(--amber)}.chip.blue{background:var(--blue-tint);color:var(--blue-ink)}.chip.ghost{border:1px solid var(--line);color:var(--muted);font-weight:600}.chip.neutral{background:var(--side);color:var(--rail-ink)}.panel{padding:var(--s4) clamp(var(--s3), 2.4vw, var(--s5));gap:var(--s4);display:grid}.panel-head{gap:var(--s1);display:grid}.panel-head h2{font-size:16.5px}.panel-head p{color:var(--muted);font-size:13px}.stack{gap:var(--space-16);flex-direction:column;display:flex}.stack-2{gap:var(--space-8)}.stack-3{gap:var(--space-12)}.stack-6{gap:var(--space-24)}.stack-8{gap:var(--space-32)}.rows{gap:var(--s3);grid-template-columns:minmax(0,1fr);display:grid}.steps{gap:var(--space-8);grid-auto-columns:1fr;grid-auto-flow:column;align-items:stretch;margin:0;padding:0;list-style:none;display:grid}.step{display:grid}.step-body{font:inherit;text-align:left;align-items:center;gap:var(--space-12);width:100%;min-height:52px;padding:var(--space-12);border-radius:var(--radius-control);border:1px solid var(--border);background:var(--surface);color:var(--text-muted);grid-template-columns:max-content minmax(0,1fr);text-decoration:none;display:grid}button.step-body{cursor:pointer}button.step-body:hover{background:var(--success-bg)}.step-mark{border-radius:var(--radius-pill);background:var(--surface-subtle);border:1px solid var(--border);width:26px;height:26px;color:var(--text-muted);place-items:center;font-size:13px;font-weight:700;display:grid}.step-title{min-width:0;font-size:13.5px}.step-note{color:inherit;font-size:11.5px;font-weight:700;display:block}.step-now .step-body{border-color:var(--border-control);background:var(--surface-subtle);color:var(--primary-hover)}.step-now .step-mark{background:var(--primary);border-color:var(--primary-hover);color:var(--on-accent)}.step-now .step-title{font-weight:700}.step-done .step-body{color:var(--text)}.step-done .step-mark{background:var(--surface-subtle);border-color:var(--border-control);color:var(--primary-hover)}@media (max-width:760px){.steps{gap:var(--space-8);grid-auto-columns:auto;grid-auto-flow:row}.step-body{min-height:48px}}.steps-orbs{gap:var(--space-4);grid-template-columns:repeat(8,minmax(0,1fr))}.steps-orbs .step{min-width:0;position:relative}.steps-orbs .step:before{content:"";top:calc(var(--space-8) + 13px);background:var(--border);height:1px;position:absolute;left:50%;right:-50%}.steps-orbs .step:last-child:before{display:none}.steps-orbs .step-body{align-content:start;justify-items:center;gap:var(--space-4);padding:var(--space-8) var(--space-4);text-align:center;border-radius:var(--radius-control);background:0 0;border:0;grid-template-columns:minmax(0,1fr);min-height:44px;display:grid}.steps-orbs .step-mark{font-variant-numeric:tabular-nums;position:relative}.steps-orbs a.step-body{cursor:pointer}.steps-orbs a.step-body .step-mark{box-shadow:var(--shadow-card)}.steps-orbs a.step-body:hover .step-mark{background:var(--primary);border-color:var(--primary-hover);color:var(--on-accent)}.steps-orbs a.step-body:focus-visible{box-shadow:none}.steps-orbs a.step-body:focus-visible .step-mark{box-shadow:var(--focus-ring)}.steps-orbs .step-title{font-size:13px;line-height:1.3}.steps-orbs .step-note{color:var(--warning)}.steps-orbs .step-disabled .step-body{cursor:not-allowed}.steps-orbs .step-disabled .step-mark{border-style:dashed}.steps-orbs .step-stale .step-mark{border-color:var(--warning)}@media (max-width:760px){.steps-orbs{gap:var(--space-4);grid-template-columns:repeat(4,minmax(0,1fr))}.steps-orbs .step:before{display:none}}[data-action-row]{justify-self:stretch;width:100%}.actions[data-action-row]{align-items:center;gap:var(--space-8);padding-top:var(--space-20);border-top:1px solid var(--border);flex-wrap:wrap;display:flex}.actions[data-action-row] .btn-primary,.actions[data-action-row] .unmet,[data-action-row] .unmet:only-child{margin-left:auto}@media (max-width:760px){[data-action-row]>*{flex:auto}[data-action-row]>:not(.btn,:has(.btn)){flex-basis:100%}[data-action-row]>:has(.btn) .btn{width:100%}[data-action-row] .unmet-note{width:0;min-width:100%}}.even-cards{grid-auto-rows:1fr}.even-cards>li,.even-cards>li>*{height:100%}.clamp-1,.clamp-2,.clamp-3{-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.clamp-1{-webkit-line-clamp:1}.clamp-2{-webkit-line-clamp:2}.clamp-3{-webkit-line-clamp:3}.pbar{background:var(--side);border-radius:var(--r-pill);height:7px;overflow:hidden}.pbar i{background:var(--green);height:100%;display:block}*,:before,:after{box-sizing:border-box}html{background:var(--canvas);-webkit-text-size-adjust:100%;font-synthesis:none;font-size:16px}body{color:var(--text-body);font-family:var(--font-ui);-webkit-font-smoothing:antialiased;margin:0;font-size:16px;line-height:26px}button,input,select,textarea{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}img,svg{max-width:100%}button{cursor:pointer}button:disabled{cursor:not-allowed}a{color:var(--text);text-underline-offset:3px;text-decoration-thickness:1px}.text-link{align-items:center;gap:var(--space-4);color:var(--text);text-decoration:underline;-webkit-text-decoration-color:var(--primary-line);text-decoration-color:var(--primary-line);text-underline-offset:3px;cursor:pointer;font-weight:600;display:inline-flex}a.tap.text-link{display:inline-flex}.text-link:hover{-webkit-text-decoration-color:var(--text);text-decoration-color:var(--text)}.text-link-accent{color:var(--accent);-webkit-text-decoration-color:var(--accent-line);text-decoration-color:var(--accent-line)}button.text-link{text-align:inherit;white-space:normal;background:0 0;border:0;margin:0;padding:0}:focus-visible{box-shadow:var(--focus-ring);outline:0}.card:focus-visible,.segmented button[aria-pressed=true]:focus-visible,.split-handle:focus-visible,[aria-disabled=true]:focus-visible{box-shadow:var(--focus-ring)!important}[hidden]{display:none!important}h1,h2,h3,h4,p{margin:0}h1,h2,h3,h4{color:var(--text);letter-spacing:-.01em;font-weight:700}h1,h2,h3,h4,.label,.field-label,.login-welcome,.btn,.nav-item,.tab,.segmented-option,.segmented button{font-family:var(--font-heading)}h1{font-size:28px;line-height:36px}h2{font-size:22px;line-height:30px}h3{font-size:17px;line-height:24px}h4{font-size:14px;font-weight:600;line-height:22px}small{font-size:12px}.skip-link{z-index:100;background:var(--primary);color:var(--on-primary);padding:var(--space-12) var(--space-20);border-radius:var(--radius-control);position:fixed;top:-80px;left:16px}.skip-link:focus{top:16px}.display{font-family:var(--font-display);font-optical-sizing:auto;letter-spacing:-.025em;font-weight:500;line-height:1.08}.display:lang(th){letter-spacing:0;line-height:1.4}.display-xl{font-size:clamp(40px,5vw,64px)}.display-lg{font-size:clamp(32px,3.6vw,48px)}.caption{color:var(--text-muted);font-size:13px;line-height:18px}.label{color:var(--text);font-size:14px;font-weight:600;line-height:22px}.eyebrow{letter-spacing:.2em;text-transform:uppercase;color:var(--accent);font-size:12px;font-weight:600}.eyebrow:lang(th){letter-spacing:0;text-transform:none;font-size:13px}.icon{vertical-align:middle;fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;flex:none;display:inline-block}.icon-sm{width:16px;height:16px}.icon-lg{width:24px;height:24px}.logo{width:176px;height:auto;display:block}.row{align-items:center;gap:var(--space-12);display:flex}.row-wrap{flex-wrap:wrap}.row-end{justify-content:flex-end}.row-start{align-items:flex-start}.row-spacer{display:none}.row-spacer+*{margin-inline-start:auto}:is(.stack,.row):is(ul,ol){margin:0;padding:0;list-style:none}.content-list{gap:var(--space-8);flex-direction:column;margin:0;padding-inline-start:calc(var(--space-16) + var(--space-2));display:flex}.between,.row-between{justify-content:space-between}.gap-8{gap:var(--space-8)}.gap-24{gap:var(--space-24)}.grow{flex:1;min-width:0}.grid{gap:var(--space-20);display:grid}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-gap-12{gap:var(--space-12)}.grid-gap-16{gap:var(--space-16)}.grid-gap-32{gap:var(--space-32)}.grid-start{align-items:start}.divider{background:var(--border-card);border:0;height:1px;margin:0}@keyframes spin{to{transform:rotate(360deg)}}.check{align-items:center;gap:var(--space-12);min-height:var(--control-h);cursor:pointer;display:flex}.check input{appearance:none;border:1.5px solid var(--border-control);border-radius:calc(var(--radius-control) - var(--space-4));background:var(--surface);cursor:pointer;flex:none;place-content:center;width:20px;height:20px;margin:0;display:grid}.check input:hover{border-color:var(--primary)}.check input:checked{background:var(--primary);border-color:var(--primary)}.check input:checked:after{content:"";border:2.2px solid var(--on-primary);border-top:0;border-right:0;width:11px;height:6px;transform:translateY(-1px)rotate(-45deg)}.check input:disabled{background:var(--surface-subtle);border-color:var(--border-card);cursor:not-allowed}.check input:disabled+span{color:var(--text-faint)}.check-help{color:var(--text-muted);font-size:12px;line-height:18px;display:block}.check-help-indent{padding-left:var(--space-16)}.switch{appearance:none;border-radius:var(--radius-pill);background:var(--border);cursor:pointer;flex:none;width:44px;height:26px;margin:0;transition:background .15s;position:relative}.switch:before{content:"";background:var(--surface);width:20px;height:20px;box-shadow:var(--shadow-knob);border-radius:50%;transition:transform .15s;position:absolute;top:3px;left:3px}.switch:checked{background:var(--primary)}.switch:checked:before{background:var(--on-primary);transform:translate(18px)}.switch-row{min-height:44px}.switch-label{font-size:14px;line-height:22px}.table-wrap{overflow:auto}.table{border-collapse:collapse;text-align:left;width:100%;font-size:14px;line-height:22px}.table caption{text-align:left;padding:0 var(--space-12) var(--space-12);font-weight:600}.table th{text-align:left;font-family:var(--font-heading);color:var(--text-muted);letter-spacing:.06em;text-transform:uppercase;padding:0 var(--space-12) var(--space-12);border-bottom:1px solid var(--border);font-size:12px;font-weight:600}.table th:lang(th){letter-spacing:0}.table td{padding:var(--space-12);border-bottom:1px solid var(--border-card);vertical-align:top;color:var(--text)}.table tr:last-child td{border-bottom:0}.table-controls td,.table-controls th{vertical-align:middle}.table-controls .total{width:72px;margin-right:var(--space-40);text-align:center;font-size:18px;display:inline-block}.table-data{border:1px solid var(--border-card);border-radius:var(--radius-control);border-collapse:separate;border-spacing:0;font-variant-numeric:tabular-nums;overflow:hidden}.table-data th{background:var(--surface-subtle);padding:var(--space-12) var(--space-16);border-bottom:1px solid var(--border-card);color:var(--text)}.table-data td{padding:var(--space-12) var(--space-16);border-bottom:1px solid var(--border-card);font-size:13px;line-height:18px}.table-data tbody tr:nth-child(2n) td{background:var(--canvas)}.table-data tbody tr:last-child td{border-bottom:0}.table-data td:first-child{color:var(--text);font-weight:500}.avatar{background:var(--surface-subtle);border:1px solid var(--border);border-radius:50%;flex:none;justify-content:center;align-items:center;width:36px;height:36px;font-size:12px;font-weight:600;display:inline-flex}.progress{appearance:none;border-radius:var(--radius-pill);background:var(--border);border:0;width:100%;height:6px;display:block;overflow:hidden}.progress::-webkit-progress-bar{background:var(--border)}.progress::-webkit-progress-value{background:var(--primary);border-radius:var(--radius-pill)}.progress::-moz-progress-bar{background:var(--primary);border-radius:var(--radius-pill)}.skeleton{background:linear-gradient(90deg,var(--surface-subtle),var(--surface-sheen),var(--surface-subtle));border-radius:var(--radius-sm);background-size:200% 100%;height:14px;animation:1.4s linear infinite shimmer}@keyframes shimmer{to{background-position:-200% 0}}.skeleton-text{width:60%}.skeleton-short{width:30%}.skeleton-block{border-radius:var(--radius-control);height:88px}.empty-state{text-align:center;max-width:400px;padding:var(--space-40) var(--space-20);margin:0 auto}.empty-state img{width:160px;height:auto;margin-bottom:var(--space-16)}.empty-state p{margin:var(--space-12) 0 var(--space-20);color:var(--text-muted);font-size:14px}.source-chip{align-items:center;gap:var(--space-6);min-height:28px;padding:0 var(--space-10) 0 var(--space-8);border:1px solid var(--border);border-radius:var(--radius-pill);color:var(--text);background:var(--surface);font-size:13px;text-decoration:none;display:inline-flex}@media (pointer:coarse){.source-chip{min-height:var(--control-h)}}.modal{border:1px solid var(--border);border-radius:var(--radius-modal);background:var(--surface);width:100%;max-width:min(560px,100vw - 32px);color:var(--text);box-shadow:var(--shadow-popover);padding:0}.modal-wide{max-width:min(960px,100vw - 32px)}.modal-full{max-width:min(1200px,100vw - 32px)}.modal::backdrop{background:var(--backdrop)}@media (pointer:coarse){.modal-head,.modal-body,.modal-foot{padding:var(--space-24)}}.modal-head{justify-content:space-between;align-items:flex-start;gap:var(--space-16);border-bottom:1px solid var(--border);display:flex}.modal-head h2{font-size:22px}.modal-foot{border-top:1px solid var(--border);justify-content:flex-end;gap:var(--space-12);display:flex}.breadcrumb{gap:var(--space-8);color:var(--text-muted);align-items:center;font-size:13px;display:flex}.breadcrumb a{color:inherit}.tooltip-wrap{display:inline-flex;position:relative}.tooltip{padding:var(--space-8) var(--space-12);border-radius:var(--radius-control);background:var(--primary);color:var(--on-primary);white-space:nowrap;pointer-events:none;opacity:0;font-size:12px;position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%)}.tooltip-wrap:hover .tooltip,.tooltip-wrap:focus-within .tooltip{opacity:1}.segmented{gap:var(--space-2);padding:var(--space-3);background:var(--surface-subtle);border-radius:var(--radius-control);flex-wrap:wrap;display:inline-flex}.segmented>*{align-items:center;gap:var(--space-8);min-height:32px;padding:0 var(--space-16);border-radius:var(--radius-segment);color:var(--text-muted);cursor:pointer;background:0 0;border:0;font-size:14px;font-weight:600;display:inline-flex}:is(.segmented>[aria-checked=true],.segmented>[aria-pressed=true],.segmented>.segmented-option:has(input:checked)){background:var(--surface);color:var(--text);box-shadow:var(--shadow-segment)}.stack>.segmented,.field>.segmented{place-self:flex-start start}.segmented-lg>*{min-height:40px;padding:0 var(--space-20);font-size:15px}@media (pointer:coarse){.segmented>*{min-height:var(--control-h)}}.segmented-option{position:relative}.segmented-option input{opacity:0;width:1px;height:1px;position:absolute}.segmented-option:has(input:focus-visible){box-shadow:var(--focus-ring)}.segmented-option[aria-disabled=true]{color:var(--disabled-text);cursor:not-allowed}.count-input{align-items:center;gap:var(--space-4);display:inline-flex}.count-input .field-input{text-align:center;appearance:textfield;width:72px;padding:0}.count-input .field-input::-webkit-inner-spin-button{appearance:none;margin:0}.count-input .field-input::-webkit-outer-spin-button{appearance:none;margin:0}.dropzone{border:1px dashed var(--border-control);border-radius:var(--radius-card);padding:var(--space-32);text-align:center;color:var(--text-muted);background:var(--surface)}.pill-choice{align-items:center;gap:var(--space-8);padding:0 var(--space-16);min-height:var(--control-h);border-radius:var(--radius-pill);border:1px solid var(--border-control);background:var(--surface);color:var(--text);font-size:14px;display:inline-flex}.pill-choice[aria-pressed=true]{background:var(--primary);color:var(--on-primary);border-color:var(--primary)}.callout-ai{gap:var(--space-12);padding:var(--space-16) var(--space-20);border-radius:var(--radius-card);background:var(--canvas);border:1px solid var(--border-card);display:flex}.callout-ai-mark{background:var(--primary);width:28px;height:28px;color:var(--on-primary);border-radius:50%;flex:none;place-content:center;display:grid}.callout-ai-body{min-width:0;font-size:14px;line-height:22px}.callout-ai-body *{line-height:inherit}.callout-ai-label{font-family:var(--font-heading);color:var(--text);font-weight:600}.page-heading{justify-content:space-between;align-items:flex-end;gap:var(--space-24);margin-bottom:var(--space-32);display:flex}.page-heading-text{gap:var(--space-8);flex-direction:column;min-width:0;display:flex}.page-heading h1{font-size:28px;line-height:36px}.page-heading-note{max-width:620px;color:var(--text-muted)}.page-heading-actions{align-items:flex-end;gap:var(--space-8);flex-direction:column;flex:none;display:flex}.page-heading-actions>.row{flex-wrap:wrap}.stat-value{letter-spacing:-.035em;font-size:32px;font-weight:600;line-height:1.2}.stat-card{gap:var(--space-12);flex-direction:column;display:flex}.lesson-card{gap:var(--space-20);flex-direction:column;display:flex}.lesson-card h3{font-size:20px}.lesson-meta{gap:var(--space-16);color:var(--text-muted);flex-wrap:wrap;font-size:13px;display:flex}.list-row{align-items:center;gap:var(--space-16);padding:var(--row-pad-y) 0;border-bottom:1px solid var(--border);display:flex}.list-row:has(>.grow){flex-wrap:wrap}.list-row>.grow{flex:1;min-width:min(100%,8rem)}.list-row:last-child{border-bottom:0}li:not(:last-child)>.list-row:last-child{border-bottom:1px solid var(--border)}.builder-layout{gap:var(--space-24);grid-template-columns:minmax(0,1fr) 340px;display:grid}.section-label{margin:var(--space-40) 0 var(--space-20);justify-content:space-between;align-items:center;gap:var(--space-16);display:flex}.role-card{border:1px solid var(--border);border-radius:var(--radius-card);padding:var(--space-20);gap:var(--space-16);align-items:flex-start;display:flex}.status-dot{background:currentColor;border-radius:50%;width:6px;height:6px;display:inline-block}.checklist{padding-left:var(--space-20);color:var(--text-muted);line-height:1.8}.code{padding:var(--space-16);border-radius:var(--radius-control);background:var(--surface-subtle);font:13px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;overflow:auto}@media (max-width:1200px){.builder-layout{grid-template-columns:minmax(0,1fr)}}@media (max-width:1023px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3>:last-child{grid-column:1/-1}}@media (max-width:767px){.page-heading{align-items:flex-start;gap:var(--space-20);flex-direction:column}.page-heading-actions{max-width:100%}.page-heading .display{font-size:36px}.grid-2,.grid-3{grid-template-columns:1fr}.grid-3>:last-child{grid-column:auto}.modal-head,.modal-body,.modal-foot{padding:var(--space-20)}.row-wrap-mobile{flex-wrap:wrap}.section-label{margin-top:var(--space-32)}}@media (prefers-reduced-motion:reduce){.switch:before,.skeleton{scroll-behavior:auto!important;transition:none!important;animation:none!important}.skeleton{opacity:.7}}@media print{.logo-white{display:none!important}.logo-black{display:block!important}}.btn{justify-content:center;align-items:center;gap:var(--space-8);min-height:var(--control-h);padding:0 var(--space-20);border-radius:var(--radius-control);white-space:nowrap;transition:background var(--motion-fast) var(--ease),border-color var(--motion-fast) var(--ease);border:1px solid #0000;font-size:14px;font-weight:600;line-height:22px;text-decoration:none;display:inline-flex}.btn:lang(th){font-size:15px;line-height:24px}.btn-primary{background:var(--primary);color:var(--on-primary)}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-secondary{color:var(--text);background:var(--surface);border-color:var(--border-control)}.btn-secondary:hover:not(:disabled){background:var(--surface-subtle)}.btn-ghost{color:var(--text);background:0 0}.btn-danger:hover:not(:disabled){filter:brightness(.9)}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{color:var(--disabled-text);background:var(--disabled-bg);border-color:var(--border);transform:none}.btn-sm{min-height:calc(var(--control-h) - 4px);padding:0 var(--space-12)}@media (pointer:coarse){.btn-sm{min-height:var(--control-h)}}.btn-lg{min-height:calc(var(--control-h) + 8px);padding:0 var(--space-24);font-size:16px}.btn-icon{width:var(--control-h);height:var(--control-h);border-radius:var(--radius-control);padding:0}.btn-icon.icon-btn-solid:not(:disabled){background:var(--surface);border-color:var(--border-control)}.btn-icon:hover:not(:disabled){background:var(--surface-tint)}.btn[aria-busy=true]{cursor:wait}.btn[aria-expanded]>.icon:first-child{transition:transform var(--motion-base) var(--ease)}.btn[aria-expanded=true]>.icon:first-child{transform:rotate(180deg)}.lesson-card .btn{align-self:flex-start}@media (prefers-reduced-motion:reduce){.btn,.btn>.icon{transition:none!important}}@media print{.btn-icon{display:none!important}}.badge{align-items:center;gap:calc(var(--space-4) + var(--space-2));max-width:100%;min-height:24px;padding:0 calc(var(--space-8) + var(--space-2));border-radius:var(--radius-pill);background:var(--surface-subtle);color:var(--text);font-family:var(--font-heading);white-space:nowrap;font-size:12px;font-weight:600;line-height:1;display:inline-flex}.badge-navy,.badge-info,.badge-success{background:color-mix(in srgb,var(--primary) 10%,transparent);color:var(--text)}.badge-crimson,.badge-warning,.badge-danger{background:color-mix(in srgb,var(--accent) 8%,transparent);color:var(--accent)}.badge-solid{background:var(--primary);color:var(--on-primary)}.badge-outline{background:var(--surface);border:1px solid var(--border)}.badge-lg{min-height:28px;padding:0 var(--space-12);font-size:13px}.field{gap:var(--space-8);flex-direction:column;display:flex}.row>.field{flex:auto;min-width:0}.field-narrow{max-width:420px}.field-label{font-size:14px;font-weight:600;line-height:22px}.field-input{width:100%;min-height:var(--control-h);border:1px solid var(--border-control);border-radius:var(--radius-control);background:var(--surface);color:var(--text);padding:0 var(--space-16);font-family:var(--font-ui);font-size:16px;line-height:26px}.field-input::placeholder{color:var(--text-faint)}.field-input:hover{border-color:var(--text)}.field-input[aria-invalid=true]{border-color:var(--accent)}:where(textarea).field-input{min-height:112px;padding:var(--space-12) var(--space-16);resize:vertical}.field-input-sm{min-height:calc(var(--control-h) - 4px);font-size:14px}@media (pointer:coarse){.field-input-sm{min-height:var(--control-h);font-size:16px}}.field-help{color:var(--text-muted);font-size:13px;line-height:18px}.field-error{color:var(--accent);align-items:flex-start;gap:var(--space-8);font-size:13px;font-weight:600;line-height:18px;display:flex}select.field-input{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231E2A44' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'><path d='m6 9 6 6 6-6'/></svg>");background-repeat:no-repeat;background-position:right calc(var(--space-12) + var(--space-2)) center;background-size:18px;padding-inline-end:calc(var(--space-40) + var(--space-4))}.spinner{border:2.5px solid var(--border);border-top-color:var(--primary);border-radius:50%;flex:none;width:22px;height:22px;animation:.8s linear infinite spin;display:inline-block}.spinner-18{width:18px;height:18px}.spinner-16{width:16px;height:16px}.spinner-14{width:14px;height:14px}.spinner-12{width:12px;height:12px}.btn .spinner{border-color:color-mix(in srgb,currentColor 40%,transparent);border-top-color:currentColor}@media (prefers-reduced-motion:reduce){.spinner{animation:none!important}}.card{background:var(--surface);border:1px solid var(--border-card);border-radius:var(--radius-card);padding:var(--space-20);box-shadow:var(--shadow-card)}.card-subtle{background:var(--surface-subtle)}.card-head{justify-content:space-between;align-items:flex-start;gap:var(--space-16);margin-bottom:var(--space-24);display:flex}@media (pointer:coarse){.card{padding:var(--space-24)}}@media (max-width:767px){.card-head{gap:var(--space-12)}}@media print{.card{box-shadow:none;break-inside:avoid}}.tabs{gap:var(--space-4);border-bottom:1px solid var(--border);display:flex;overflow:auto}.tab{color:var(--text-muted);padding:0 var(--space-16);white-space:nowrap;cursor:pointer;background:0 0;border:0;border-bottom:2px solid #0000;min-height:44px;font-size:15px;font-weight:600}.tab:hover{color:var(--text)}.tab[aria-current],.tab[aria-selected=true]{border-bottom-color:var(--accent);color:var(--text)}.tab .badge{padding:0 var(--space-8);min-height:20px;font-size:11px;line-height:20px}.tab-panel{padding-top:var(--space-24)}.tab{justify-content:center;align-items:center;gap:var(--space-8);flex:none;min-width:44px;text-decoration:none;display:inline-flex}@media print{.tabs{display:none}}.tab-done{color:var(--text)}.tab-stale{border-bottom-color:var(--warning)}.tab[aria-disabled=true]{color:var(--disabled-text);font-weight:600}.tab[aria-disabled=true] .badge{color:inherit;font-weight:600}.alert{align-items:flex-start;gap:var(--space-12);padding:var(--space-16);border-radius:var(--radius-card);background:var(--info-bg);color:var(--info);border:1px solid;display:flex}.alert-success{background:var(--success-bg);color:var(--success)}.alert-warning{background:var(--warning-bg);color:var(--warning)}.alert-danger{background:var(--danger-bg);color:var(--danger)}.alert p{margin-top:var(--space-4);font-size:14px}.page-heading>.page-heading-actions:only-child{margin-left:auto}.frame-view{max-width:100%;overflow:auto}.frame-view iframe{border:1px solid var(--border);display:block}.reading{font-size:var(--reading-size);line-height:var(--reading-leading);color:var(--text);font-weight:600}.list-row .reading a,.lesson-card h3 a{color:inherit;text-decoration:none}.list-row .reading a:hover,.lesson-card h3 a:hover{text-decoration:underline}.avatar[data-work=lesson_plan],.badge[data-work=lesson_plan]{color:var(--work-lesson-plan);background:var(--work-lesson-plan-bg);border-color:var(--work-lesson-plan-bg)}.avatar[data-work=quiz],.badge[data-work=quiz]{color:var(--work-quiz);background:var(--work-quiz-bg);border-color:var(--work-quiz-bg)}.avatar[data-work=printed],.badge[data-work=printed]{color:var(--work-printed);background:var(--work-printed-bg);border-color:var(--work-printed-bg)}.doc-body{gap:var(--space-12);display:grid}.doc-body h2{letter-spacing:-.01em;font-size:23px}.doc-body h3{margin-top:var(--space-8);font-size:18px}.doc-body h4{font-size:16px}.doc-body p,.doc-body li{font-size:15px}.doc-body ul,.doc-body ol{padding-left:var(--space-24);gap:var(--space-8);margin:0;display:grid}.doc-body blockquote{padding:var(--space-8) var(--space-12);border-left:3px solid var(--border-control);background:var(--success-bg);border-radius:0 var(--radius-control) var(--radius-control) 0;margin:0}.doc-body pre{padding:var(--space-12) var(--space-12);background:var(--surface-subtle);border-radius:var(--radius-control);font-family:var(--font-editor);margin:0;font-size:13px;overflow-x:auto}.doc-body hr{border:0;border-top:1px solid var(--border);margin:var(--space-4) 0}.math,.math-unset{text-transform:none}.cite{min-width:20px;height:20px;padding:0 var(--space-5);margin-left:var(--space-4);border-radius:var(--radius-pill);background:var(--primary-wash);color:var(--text);vertical-align:middle;font-variant-numeric:tabular-nums;cursor:pointer;border:0;place-content:center;font-size:11px;font-weight:600;display:inline-grid}button.cite:hover{background:var(--border-control)}.figure{gap:var(--space-4);margin:0;display:grid}.picture{border-radius:var(--radius-control);max-width:100%;height:auto;display:block}.source-attach{position:relative;overflow:hidden}.source-attach input{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute;inset:0}.panel-side{width:min(var(--panel-w,400px),100%);border-left:1px solid var(--border);background:var(--surface);min-width:0;height:100dvh;box-shadow:var(--shadow-card);z-index:50;grid-template-rows:auto minmax(0,1fr);display:grid;position:fixed;inset:0 0 0 auto}.panel-side-head{justify-content:space-between;align-items:start;gap:var(--space-8);padding:var(--space-20) var(--space-12) var(--space-12) var(--space-20);border-bottom:1px solid var(--border);display:flex}.panel-side-head>div{gap:var(--space-4);min-width:0;display:grid}.panel-side-head h3{font-size:15px}.panel-side-body{align-content:start;gap:var(--space-12);padding:var(--space-20);grid-auto-rows:max-content;min-height:0;display:grid;overflow-y:auto}.panel-side .tabs{margin:calc(-1 * var(--space-12)) 0 0}.panel-side .tab{padding-top:var(--space-8)}.panel-side .tab-panel:not([hidden]){gap:var(--space-12);display:grid}.panel-foot{gap:var(--space-8);padding-top:var(--space-12);border-top:1px solid var(--border);display:grid}.panel-ask{gap:var(--space-8)}.panel-backdrop{display:none}@media (max-width:1000px){.panel-backdrop{background:var(--backdrop);z-index:49;border:0;padding:0;display:block;position:fixed;inset:0}}.lesson-card h3 button{color:inherit;text-align:left;background:0 0;border:0;padding:0}.lesson-card h3 button:hover:not(:disabled){text-decoration:underline}.toast-stack{top:var(--space-24);right:var(--space-24);z-index:50;gap:var(--space-12);flex-direction:column;max-width:calc(100vw - 48px);display:flex;position:fixed}.toast{align-items:center;gap:var(--space-12);background:var(--surface-raised);color:var(--text);border:1px solid var(--border-control);box-shadow:var(--shadow-popover);border-radius:var(--radius-card);padding:var(--space-12) var(--space-16);min-width:280px;max-width:560px;display:flex}.toast-body{align-items:flex-start;gap:var(--space-8);flex-direction:column;flex:1;min-width:0;display:flex}@media (max-width:767px){.toast-stack{top:var(--space-16);right:var(--space-16);left:var(--space-16);max-width:none}.toast{min-width:0}}@media print{.toast-stack{display:none!important}}.front{display:grid;container-type:inline-size}.front-hero{aspect-ratio:1757/895;background:var(--canvas) url(/front/hero-scene.png) center top / 100% 100% no-repeat;position:relative;container-type:inline-size}.front-bar{justify-content:space-between;align-items:flex-start;display:flex;position:absolute;inset:1.31cqw 3.02cqw auto 4.5cqw}.front-logo{width:14.63cqw;height:auto;display:block}.front-toggle{margin-top:.57cqw}.front-toggle .segmented{width:9.73cqw;min-height:3.19cqw;padding:var(--space-4)}.front-toggle .segmented-option{flex:1;justify-content:center;font-size:1cqw}.front-hero .front-headline{max-width:34cqw;font-size:4.38cqw;line-height:1.33;position:absolute;top:12.12cqw;left:4.89cqw}.section-rule{background:var(--accent);height:2px;display:block}.front-rule{width:3.13cqw;position:absolute;top:23.85cqw;left:4.95cqw}.front-subline{max-width:34.5cqw;color:var(--text-muted);font-size:1.56cqw;line-height:1.64;position:absolute;top:25.44cqw;left:5.07cqw}.login.card{width:31.42cqw;min-height:38.13cqw;padding:var(--space-24) var(--space-40);position:relative}.front-hero .login.card{position:absolute;top:8.48cqw;left:65.68cqw}.login-logo{width:14cqw;height:auto;display:block}.login-head{gap:var(--space-4);margin-top:var(--space-24);display:grid}.login-welcome{font-size:1.54cqw;font-weight:700;line-height:1.4}.login-purpose{max-width:22.8cqw;color:var(--text-muted);font-size:1.05cqw;line-height:1.6}.login .alert{margin-top:var(--space-16)}.login-action{gap:var(--space-12);margin-top:var(--space-24);display:grid}.login .field-label{font-size:.98cqw;line-height:1.4}.login .field-input{min-height:3.7cqw}.login .login-line{justify-content:center;gap:var(--space-24);width:100%;min-height:3.76cqw;font-size:1cqw;display:flex;position:relative}.login-line .icon{flex:none}.login-line .icon:last-child{position:absolute;top:50%;right:1.48cqw;translate:0 -50%}.login-trust{margin-top:var(--space-12);color:var(--text-muted);font-size:.85cqw;line-height:1.4}.login-divider{align-items:center;gap:var(--space-12);margin-top:var(--space-24);color:var(--text-muted);font-size:.8cqw;display:flex}.login-divider:before,.login-divider:after{content:"";border-top:1px solid var(--border);flex:1}.login-consent{margin-top:var(--space-12);font-size:.88cqw;line-height:1.7}.login-consent>span{display:block}.login-star{width:2.68cqw;height:2.68cqw;position:absolute;top:1.88cqw;right:1.48cqw}.login-leaf{width:7.06cqw;height:9.56cqw;position:absolute;top:26.58cqw;right:-1.92cqw}.front-sections{gap:var(--space-32);padding-block:var(--space-20) var(--space-40);display:grid;position:relative;overflow:hidden}.front-sections:before{content:"";border:2cqw solid var(--surface-subtle);opacity:.4;z-index:0;border-radius:50%;width:40cqw;height:40cqw;position:absolute;top:-20cqw;right:-10cqw}.front-page-star{width:2.55cqw;height:2.55cqw;position:absolute;top:.45cqw;right:.68cqw}.front-page-leaf{width:5.45cqw;height:6.92cqw;position:absolute;bottom:3.01cqw;left:1.87cqw}.front-section{margin-inline:var(--landing-inset);z-index:1;position:relative}.front-section h2{font-size:1.78cqw;font-weight:700;line-height:1.3}.front-section .section-rule{width:1.64cqw;margin:var(--space-12) 0}.front-grid{gap:var(--space-20);grid-template-columns:repeat(3,minmax(0,1fr));margin:0;padding:0;list-style:none;display:grid}.front-grid>li{display:grid}.card.front-card{min-height:12.02cqw;padding:var(--space-16) var(--space-32);align-content:start;justify-items:start;gap:var(--space-8);display:grid;position:relative;overflow:hidden}.front-section:first-of-type .card.front-card{min-height:13.05cqw}.front-disc{width:51px;height:51px;padding:var(--space-8);background:var(--canvas);border-radius:50%;place-items:center;display:grid}.front-disc .icon{width:35px;height:35px}.front-card h3{z-index:1;font-size:1.28cqw;line-height:1.5;position:relative}.front-card p{color:var(--text-muted);z-index:1;max-width:61%;font-size:.94cqw;line-height:1.65;position:relative}.front-art{object-fit:contain;object-position:right bottom;opacity:.95;width:45%;height:70%;position:absolute;bottom:0;right:0}.front-ornament{position:absolute}.front-foot{z-index:1;justify-content:space-between;gap:var(--space-16);color:var(--text-muted);margin:0 5.9cqw 0 10.32cqw;font-size:.86cqw;display:flex;position:relative}.front-foot a{color:var(--link)}@media (max-width:850px){.front-hero{aspect-ratio:auto;gap:var(--space-20);padding:var(--space-20) var(--space-16) var(--space-32);background:0 0;display:grid}.front-hero:before{content:"";aspect-ratio:1150/560;margin:calc(-1 * var(--space-20)) calc(-1 * var(--space-16)) 0;background:url(/front/hero-scene.png) 0 100%/auto 159.8% no-repeat;display:block}.front-bar{align-items:center;position:static}.front-logo{width:160px}.front-toggle{margin-top:0}.front-toggle .segmented{width:auto;min-height:0}.front-toggle .segmented-option{font-size:inherit;flex:none}.front-hero .front-headline{max-width:none;font-size:34px;line-height:1.45;position:static}.front-rule{width:40px;position:static}.front-subline{max-width:none;font-size:17px;line-height:1.6;position:static}.front-hero .login.card{position:relative;top:auto;left:auto}.login.card{width:auto;min-height:0;padding:var(--space-24)}.login-logo{width:160px}.login-welcome{font-size:20px}.login-purpose{max-width:none;font-size:15px}.login .field-label{font-size:14px}.login .field-input,.login .login-line{min-height:var(--control-h)}.login .login-line{font-size:15px}.login-trust,.login-divider,.login-consent{font-size:13px}.front-section{margin-inline:var(--space-16)}.front-section h2{font-size:24px}.front-section .section-rule{width:40px}.front-grid{grid-template-columns:1fr}.card.front-card{min-height:0;padding:var(--space-24)}.front-card h3{font-size:18px}.front-card p{max-width:none;font-size:14px}.front-art{justify-self:end;width:45%;height:auto;position:static}.front-foot{gap:var(--space-8);margin-inline:var(--space-16);flex-wrap:wrap;font-size:13px}}.kicker{font-family:var(--font-heading);letter-spacing:.2em;text-transform:uppercase;color:var(--accent);font-size:12px;font-weight:600}.small{font-size:14px;line-height:22px}.state{text-align:center;align-items:center;gap:var(--space-12);padding:var(--space-48) var(--space-24);color:var(--text-muted);flex-direction:column;display:flex}.state :is(h1,h2,h3,h4){color:var(--text)}.state-art{opacity:.9;width:120px;height:120px}.state-art[data-size="72"]{width:72px;height:72px}.state-art[data-size="64"]{width:64px;height:64px}.state-art[data-size="48"]{width:48px;height:48px}.state-actions{justify-content:center}.workspace:has(>.content>.state[data-fill]){flex-direction:column;display:flex}.content:has(>.state[data-fill]){flex-direction:column;flex:1;width:100%;display:flex}.state[data-fill]{flex:1;justify-content:center}.state[data-fill]>.state-actions{margin-top:var(--space-8)}:root{--shadow-selected:inset 0 0 0 1px var(--primary)}.input-group{align-items:center;gap:var(--space-8);display:flex}.input-num{text-align:center;font-variant-numeric:tabular-nums;flex:0 0 88px;width:88px}.input-suffix{color:var(--text-muted);white-space:nowrap;font-size:14px}.section-head{justify-content:space-between;align-items:center;gap:var(--space-16);display:flex}.section-head h2{align-items:center;gap:var(--space-12);display:flex}.section-head h3{align-items:center;gap:var(--space-8);display:flex}.card-flat{box-shadow:none}.card-select{padding:var(--space-16);cursor:pointer;transition:border-color var(--motion-base) var(--ease),box-shadow var(--motion-base) var(--ease)}.card-select:hover{border-color:var(--primary)}.card-select[data-selected]{border-color:var(--primary);box-shadow:var(--shadow-selected)}.card-select[aria-disabled=true]{pointer-events:none;color:var(--text-faint)!important}.card-select[aria-disabled=true] .label,.card-select[aria-disabled=true] .badge{color:var(--text-faint)}.ornament{pointer-events:none;opacity:.5;position:absolute}.ornament-corner{right:var(--space-24);top:var(--space-8);opacity:.35;width:180px}.ornament-card-star{right:28px;top:var(--space-24);opacity:.9;width:36px}:root{--tone-teal:#1f6e6a;--tone-amber:#8f6214;--mark-letter-radius:6px}.proposal-row-form{gap:var(--space-12);border-color:var(--text);display:grid}.proposal-row-form[data-adding]{border-style:dashed}.proposal-row-form-head{justify-content:space-between;align-items:baseline;gap:var(--space-12);flex-wrap:wrap;display:flex}.proposal-row-form-actions{justify-content:flex-end;gap:var(--space-8);flex-wrap:wrap;display:flex}.proposal-row-skeleton{gap:var(--space-8);opacity:.7;display:grid}.mark-letter{border-radius:var(--mark-letter-radius);background:var(--primary);width:24px;height:24px;color:var(--on-primary);font-family:var(--font-heading);flex:none;place-content:center;font-size:12px;font-weight:700;line-height:1;display:inline-grid}.mark-letter[data-kind=S]{background:var(--tone-teal)}.mark-letter[data-kind=A]{background:var(--tone-amber)}.doc{gap:var(--space-20);flex-direction:column;display:flex}.doc h2{margin-top:var(--space-12);font-size:20px;line-height:28px}.doc ul,.doc ol{padding-left:var(--space-20);gap:var(--space-4);flex-direction:column;margin:0;display:flex}.doc-section{gap:var(--space-12);padding:var(--space-20) 0;border-top:1px solid var(--border-card);flex-direction:column;display:flex}.doc-section:first-child{border-top:0;padding-top:0}.redline{background:var(--accent);border-radius:var(--radius-pill);width:32px;height:3px}.reading-card{width:800px;max-width:100%;padding:var(--space-48) calc(var(--space-48) + var(--space-8));margin-inline:auto}.two-col{gap:var(--space-32);align-items:start;display:grid}.two-col-320{grid-template-columns:minmax(0,1fr) 320px}.two-col-420{grid-template-columns:minmax(0,1fr) 420px}.aside{top:var(--space-24);gap:var(--space-16);flex-direction:column;display:flex;position:sticky}@media (max-width:767px){.two-col{grid-template-columns:minmax(0,1fr)}}.card-column{flex-direction:column;min-height:560px;display:flex}.card-column>.grow{align-content:start}.card-column-gap-12>.grow{gap:var(--space-12)}.card-column-gap-16>.grow{gap:var(--space-16)}.card-column>.grow~*{margin-top:var(--space-16)}.btn{font-size:15px}.btn-secondary:hover:not(:disabled){border-color:var(--primary)}.btn-ghost:hover:not(:disabled){background:color-mix(in srgb, var(--primary) 5%, transparent)}.btn-danger{background:var(--accent);color:var(--on-accent)}.btn-accent{color:var(--accent);background:var(--surface);border-color:color-mix(in srgb, var(--accent) 35%, transparent)}.btn-accent:hover:not(:disabled){background:color-mix(in srgb, var(--accent) 8%, transparent);border-color:var(--accent)}.btn-ghost-danger{color:var(--accent);background:0 0}.btn-ghost-danger:hover:not(:disabled){background:color-mix(in srgb, var(--accent) 8%, transparent)}.btn.btn-sm{padding:0 var(--space-16);font-size:14px}.btn>.spinner{width:14px;height:14px}.alert{padding:var(--space-16) var(--space-20);border:1px solid var(--border-card);border-radius:var(--radius-control);background:var(--surface);color:var(--text)}.alert>.icon{margin-top:var(--space-2)}.alert>.icon+div{flex:auto;min-width:0}.alert>.icon+div~*{flex:none;align-self:center}.alert-title{font-family:var(--font-heading);color:var(--text);font-weight:600;display:block}.alert-body{color:var(--text);font-size:14px}.alert-info{background:color-mix(in srgb, var(--primary) 5%, transparent);border-color:color-mix(in srgb, var(--primary) 18%, transparent)}.alert-success{background:var(--canvas);color:var(--text);border-color:color-mix(in srgb, var(--primary) 18%, transparent);border-left:4px solid var(--primary)}.alert-warning{background:var(--surface);color:var(--text);border-left:4px solid var(--accent)}.alert-danger{background:color-mix(in srgb, var(--accent) 8%, transparent);border-color:color-mix(in srgb, var(--accent) 35%, transparent);color:var(--accent)}.alert-danger .alert-title,.alert-danger .alert-body{color:var(--accent)}.toast-stack{top:auto;left:auto;right:auto;bottom:var(--space-24);justify-content:flex-end;align-items:center;max-width:none;height:0;position:sticky}.toast{gap:var(--space-16);min-width:0;max-width:100%;min-height:48px;padding:0 var(--space-8) 0 var(--space-20);border-radius:var(--radius-control);background:var(--primary);color:var(--on-primary);font-family:var(--font-heading);border:0;font-size:14px;font-weight:600;display:inline-flex}.toast .btn{padding:0 var(--space-12);background:color-mix(in srgb, var(--on-primary) 14%, transparent);color:var(--on-primary)}.modal{border-radius:var(--radius-card);padding:var(--space-24) var(--space-32) var(--space-32);border:0}.modal-confirm{max-width:min(440px,100vw - 32px);padding:var(--space-24) calc(var(--space-24) + var(--space-4)) calc(var(--space-24) + var(--space-4))}.modal-review{max-width:min(760px,100vw - 32px)}.modal-head,.modal-body,.modal-foot{padding:0}.modal-head{margin-bottom:var(--space-20);border-bottom:0;align-items:center}.modal-foot{margin-top:var(--space-32);border-top:0}.modal-confirm .modal-head{margin-bottom:var(--space-8)}.modal-confirm .modal-head h2{font-size:17px}.modal-confirm .modal-body{font-size:14px}.modal-confirm .modal-foot{margin-top:var(--space-20)}@media (max-width:767px){.modal{padding:var(--space-20)}}.facts-grid{gap:var(--space-8) var(--space-24);grid-template-columns:max-content minmax(0,1fr);margin:0;font-size:14px;display:grid}.facts-grid dt{color:var(--text-muted)}.facts-grid dd{color:var(--text);margin:0}.facts-grid dd.muted{color:var(--text-muted)}.steps{grid-template-columns:none;grid-auto-columns:minmax(0,1fr);grid-auto-flow:column;align-items:start;gap:0}.steps>.step{min-width:0;display:grid;position:relative}.steps>.step:before{content:"";top:calc(var(--space-8) + 13px);background:var(--border);height:2px;position:absolute;left:50%;right:-50%}.steps>.step:last-child:before{display:none}.steps>.step-done:before{background:var(--primary)}.steps .step-body{align-content:start;justify-items:center;gap:var(--space-8);width:100%;min-height:44px;padding:var(--space-8) var(--space-4);border-radius:var(--radius-control);font-family:var(--font-heading);color:var(--text-muted);text-align:center;background:0 0;border:0;grid-template-columns:minmax(0,1fr);font-size:14px;font-weight:600;text-decoration:none;display:grid}.steps .step-mark{z-index:1;border:2px solid var(--border);border-radius:var(--radius-pill);background:var(--surface);width:28px;height:28px;box-shadow:none;color:var(--text-muted);font-variant-numeric:tabular-nums;place-items:center;font-size:13px;display:grid;position:relative}.steps .step-title{min-width:0;font-size:14px;font-weight:600;line-height:inherit}.steps .step-note{font-size:12px}.steps .step-done .step-mark{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}.steps .step-now .step-body{color:var(--text)}.steps .step-now .step-mark{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}.steps .step-stale .step-mark{border-color:var(--warning)}.steps a.step-body .step-mark{box-shadow:none}.steps :is(button,a).step-body:hover{color:var(--text);background:0 0}@media (max-width:760px){.steps{row-gap:var(--space-8);grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-flow:row}.steps>.step:before{display:none}}.card-head{margin-bottom:var(--space-20)}.card-head>div:first-child{flex:auto;min-width:0}.card-head h2{font-size:22px}.actions[data-action-row]{justify-content:flex-end;gap:var(--space-12);border-top-color:var(--border-card)}.actions[data-action-row] .btn-primary,.actions[data-action-row] .unmet{margin-left:0}.card-foot-note{color:var(--text-muted);margin-right:auto;font-size:14px}.progress-danger::-webkit-progress-value{background:var(--accent)}.progress-danger::-moz-progress-bar{background:var(--accent)}.progress-meter{gap:var(--space-8);display:grid}.progress-meter>.progress-danger+.caption{color:var(--accent)}.split-read{gap:var(--space-8);flex-direction:column;display:flex}.split-read-bar{gap:var(--space-2);border-radius:var(--radius-pill);background:var(--border);height:10px;display:flex;overflow:hidden}.split-read-bar>span{height:100%;display:block}.split-read-legend{gap:var(--space-4) var(--space-16);color:var(--text-muted);flex-wrap:wrap;font-size:13px;line-height:18px;display:flex}.split-read-legend i{border-radius:calc(var(--radius-control) * .3);width:10px;height:10px;margin-right:calc(var(--space-4) + var(--space-2));vertical-align:-1px;display:inline-block}.split-read-bar>span:first-child,.split-read-legend>span:first-child>i{background:color-mix(in srgb, var(--primary) 85%, transparent)}.split-read-bar>span:nth-child(2),.split-read-legend>span:nth-child(2)>i{background:color-mix(in srgb, var(--primary) 62%, transparent)}.split-read-bar>span:nth-child(3),.split-read-legend>span:nth-child(3)>i{background:color-mix(in srgb, var(--primary) 42%, transparent)}.split-read-bar>span:nth-child(4),.split-read-legend>span:nth-child(4)>i{background:color-mix(in srgb, var(--primary) 30%, transparent)}.split-read-bar>span:nth-child(n+5),.split-read-legend>span:nth-child(n+5)>i{background:color-mix(in srgb, var(--primary) 20%, transparent)}.bars{gap:var(--space-12);flex-direction:column;display:flex}.bars-rows{gap:var(--space-12);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.bars-row{gap:var(--space-8);flex-direction:column;display:flex}.bars-label{align-items:flex-start;gap:var(--space-8);font-size:14px;line-height:22px;display:flex}.bars-label>.badge{flex:none}.bars-meter{align-items:center;gap:var(--space-12);display:flex}.bars-meter>.progress{flex:1}.bars-count{text-align:right;flex:0 0 24px}@media print{body:has(.print-region) :not(.print-region,.print-region *,:has(.print-region)){display:none!important}body:has(.print-region) :has(.print-region){display:contents!important}}:root{--shadow-panel:0 24px 64px #1e2a4447}.message{gap:var(--space-12);max-width:720px;display:flex}.message .bubble{min-width:0;padding:var(--space-12) var(--space-20);border:1px solid var(--border-card);border-radius:var(--radius-card);background:var(--surface);overflow-wrap:anywhere;font-size:14px;line-height:26px}.message .bubble :is(p,li){font-size:inherit;line-height:26px}.message .avatar{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}.message-me{flex-direction:row-reverse;margin-left:auto}.message-me .bubble,.message-me .avatar{background:var(--primary);color:var(--on-primary);border-color:var(--primary)}.panel-chat .message{max-width:100%}.chat-composer{gap:var(--space-8);display:grid}.composer{align-items:flex-end;gap:var(--space-12);padding:var(--space-12);border:1px solid var(--border-control);border-radius:var(--radius-card);background:var(--surface);display:flex}.composer:focus-within{box-shadow:var(--focus-ring)}.composer textarea{min-width:0;min-height:48px;padding:var(--space-8) var(--space-12);resize:none;color:var(--text);background:0 0;border:0;outline:0;flex:1;line-height:1.65}.composer textarea::placeholder{color:var(--text-faint)}.panel-chat{z-index:40;background:var(--surface);border:1px solid var(--border-card);border-radius:var(--radius-card);width:440px;height:680px;max-height:calc(100dvh - 56px);box-shadow:var(--shadow-panel);flex-direction:column;display:flex;position:fixed;bottom:28px;right:28px;overflow:hidden}.panel-chat-head{align-items:center;gap:var(--space-12);padding:var(--space-16) var(--space-20);border-bottom:1px solid var(--border-card);display:flex}.panel-chat-title{min-width:0;font-family:var(--font-heading);color:var(--text);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:16px;font-weight:600;line-height:24px;overflow:hidden}.panel-chat-body{gap:var(--space-16);min-height:0;padding:var(--space-20);flex-direction:column;flex:1;display:flex;overflow:auto}.panel-chat-foot{padding:var(--space-12) var(--space-16) var(--space-16);border-top:1px solid var(--border-card)}@media (max-width:495px){.panel-chat{left:12px;right:12px;bottom:calc(12px + var(--bottom-nav-height,0px));width:auto;max-height:calc(100dvh - 24px - var(--bottom-nav-height,0px))}}.menu-anchor{display:inline-block;position:relative}.menu{z-index:4;min-width:220px;padding:var(--space-8);background:var(--surface);border:1px solid var(--border-card);border-radius:var(--radius-control);box-shadow:var(--shadow-popover);position:absolute}.menu[data-placement=below-end]{top:calc(100% + var(--space-8));inset-inline-end:0}.menu[data-placement=above-start]{bottom:calc(100% + var(--space-8));inset-inline-start:0}.menu-item{align-items:center;gap:var(--space-12);width:100%;min-height:var(--control-h);padding:var(--space-8) var(--space-12);border-radius:var(--radius-menu-item);font-family:var(--font-ui);color:var(--text);text-align:start;cursor:pointer;background:0 0;border:0;font-size:14px;line-height:26px;text-decoration:none;display:flex}.menu-item:hover{background:var(--surface-tint)}.menu-item[data-tone=danger]{color:var(--accent)}.menu-sep{height:1px;margin:var(--space-8) 0;background:var(--border-card)}.menu{max-width:calc(100vw - var(--space-32));translate:var(--overlay-shift-x,0) var(--overlay-shift-y,0)}.popover{translate:var(--overlay-shift-x,0) var(--overlay-shift-y,0)}.popover:before{translate:calc(-1 * var(--overlay-shift-x,0px)) 0}.tip{translate:var(--overlay-shift-x,0) var(--overlay-shift-y,0)}@media (max-width:1023px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:767px){.grid-4{grid-template-columns:1fr}}.stack.artifact-grid{align-items:stretch}.stack.item-details{align-items:flex-start}.stack:is(.overview-composition,.overview-grid){display:grid}.card.exam-item{padding:var(--space-20) var(--space-24);box-shadow:none}.exam-item .item-head{justify-content:space-between;align-items:center;gap:var(--space-16);margin-bottom:var(--space-12);display:flex}.exam-item .stem{font-family:var(--font-ui);color:var(--text);font-size:16px;font-weight:400;line-height:26px}.exam-item .stem b{font-weight:700}.exam-item .choices{gap:var(--space-8);margin:var(--space-12) 0 0 var(--space-32);flex-direction:column;padding:0;list-style:none;display:flex}.choice{align-items:flex-start;gap:var(--space-12);min-height:32px;display:flex}.choice-mark{border-radius:var(--radius-pill);border:1px solid var(--border);background:var(--surface);width:28px;height:28px;color:var(--text);font-family:var(--font-heading);flex:none;place-content:center;font-size:13px;font-weight:600;line-height:1;display:inline-grid}.choice-mark[data-key]{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}.choice-text{padding-top:var(--space-4);font-size:14px;line-height:22px}.exam-item .item-foot{justify-content:space-between;align-items:flex-start;gap:var(--space-16);margin-top:var(--space-16);padding-top:var(--space-12);border-top:1px solid var(--border-card);flex-wrap:wrap;display:flex}.exam-item .item-foot-start{flex:1;min-width:min-content}.exam-item .item-foot .disclosure-summary{white-space:nowrap}.exam-item .item-foot>.row{flex-wrap:wrap;flex:none;max-width:100%}.group-item{margin-left:var(--space-24)}.group-head{gap:var(--space-12);padding:var(--space-16) var(--space-20);background:var(--canvas);border:1px solid var(--border-card);border-radius:var(--radius-control);flex-direction:column;display:flex}.group-line{justify-content:space-between;align-items:center;gap:var(--space-12);display:flex}.group-preamble{font-size:14px;font-weight:700;line-height:22px}.group-referent{gap:var(--space-8);min-width:0;font-size:14px;line-height:22px;display:grid}.group-head .table{background:var(--surface);border-radius:var(--radius-control)}.disclosure{justify-items:start;gap:var(--space-12);display:grid}.disclosure-summary{align-items:center;gap:var(--space-8);min-height:var(--control-h);color:var(--text);font-family:var(--font-heading);cursor:pointer;background:0 0;border:0;padding:0;font-size:14px;font-weight:600;display:inline-flex}.disclosure-summary:before{content:"";width:8px;height:8px;transition:transform var(--motion-fast) var(--ease);border-bottom:1.8px solid;border-right:1.8px solid;transform:rotate(-45deg)}.disclosure-summary[aria-expanded=true]:before{transform:rotate(45deg)}.disclosure-body{justify-self:stretch;min-width:0}@media (prefers-reduced-motion:reduce){.disclosure-summary:before{transition:none}}:root{--tone-teal:#1f6e6a;--tone-green:#4d7a33;--tone-amber:#8f6214;--tone-plum:#6a3d8f;--tone-rust:#a34a18;--tone-sky:#2b64a8;--tone-indigo:#4a4f9e;--tone:var(--primary)}.type-chip{--tone:var(--primary);background:color-mix(in srgb,var(--tone) 12%,var(--surface));width:104px;color:var(--tone);flex:none;justify-content:center}[data-type=worksheet]{--tone:var(--tone-teal)}[data-type=handout]{--tone:var(--tone-green)}[data-type=presentation]{--tone:var(--tone-amber)}[data-type=video]{--tone:var(--tone-plum)}[data-type=quiz]{--tone:var(--tone-rust)}[data-type=image]{--tone:var(--tone-sky)}[data-type=link]{--tone:var(--tone-indigo)}[data-type=exam]{--tone:var(--accent)}[data-kind=S]{--tone:var(--tone-teal)}[data-kind=A]{--tone:var(--tone-amber)}.chip-button{align-items:center;gap:calc(var(--space-4) + var(--space-2));min-height:var(--space-32);padding:0 var(--space-12);border-radius:var(--radius-pill);border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:14px;display:inline-flex}@media (pointer:coarse){.chip-button{min-height:var(--control-h)}}.chip-button:hover{border-color:var(--primary)}.chip-button[aria-pressed=true]{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}.pop-anchor{width:fit-content;height:fit-content;display:inline-block;position:relative}.popover{top:calc(100% + var(--space-8));z-index:4;gap:var(--space-16);width:420px;max-width:calc(100vw - var(--space-32));padding:var(--space-20);background:var(--surface);border:1px solid var(--border-card);border-radius:var(--radius-control);box-shadow:var(--shadow-popover);display:grid;position:absolute;left:0}.popover:before{content:"";background:var(--surface);border-left:1px solid var(--border-card);border-top:1px solid var(--border-card);width:10px;height:10px;position:absolute;top:-6px;left:24px;transform:rotate(45deg)}.popover-right{left:auto;right:0}.popover-right:before{left:auto;right:24px}.popover-foot{justify-content:flex-end;gap:var(--space-8);display:flex}.list-row,li:not(:last-child)>.list-row:last-child{border-bottom-color:var(--border-card)}.list-row>.grow{align-items:center;column-gap:var(--space-8);flex-wrap:wrap;display:flex}.list-row>.grow>*{flex:none;max-width:100%}.list-row>.grow>.reading{min-width:0;font-family:var(--font-heading);flex:0 auto}.list-row>.grow>.caption{width:100%}.list-row .reading>button{color:inherit;text-align:start;background:0 0;border:0;padding:0}.list-row .reading>button:hover{text-decoration:underline}.list-row>.grow>.list-row-progress{width:100%;margin:var(--space-8) 0 var(--space-6)}.list-row>.grow>.list-row-progress .progress{max-width:420px}.list-row.list-row-editing{border-left:3px solid var(--primary);padding-left:var(--space-16);display:block}.list{margin:0;padding:0;list-style:none}.card.list-card{padding:0 var(--space-24)}.list-card .list-row{padding-block:var(--space-16)}.card.list-card.list-skeleton{padding-block:var(--space-8)}.list-skeleton-bars{gap:var(--space-16);flex:1;display:grid}.list-skeleton-bars>.between>.skeleton:last-child{border-radius:var(--radius-pill)}.card.list-card:has(>.card-head){padding:var(--space-24)}.next-page{gap:var(--space-16);padding:var(--space-16) 0 var(--space-20);display:grid}.next-page-more{justify-content:center;display:flex}.state-failure .alert-title>*{font-size:inherit;margin:0}.state-empty>.state{padding:var(--space-32)}.filter-row-filter{max-width:100%}.filter-count{margin-left:auto}:root{--shadow-card-hover:0 10px 30px #1e2a441a}.avatar{background:var(--primary);color:var(--on-primary);font-family:var(--font-heading);border:0;font-size:14px}.avatar-lg{width:56px;height:56px;font-size:20px}.tile{min-height:196px;padding:var(--space-24);background:var(--surface);border:1px solid var(--border-card);border-radius:var(--radius-card);box-shadow:var(--shadow-card);transition:transform .15s,box-shadow .15s;position:relative;overflow:hidden}.tile:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-2px)}.tile:has([aria-expanded=true]){border-color:var(--primary)}.tile-disc{background:var(--canvas);border-radius:50%;place-content:center;width:51px;height:51px;display:grid}.tile-disc img{width:35px;height:35px}.tile h3{margin-top:var(--space-16);font-size:17px;line-height:24px}.tile p{margin-top:var(--space-8);max-width:60%;color:var(--text-body);z-index:1;font-size:14px;line-height:22px;position:relative}.tile-art{right:calc(-1 * var(--space-20));bottom:calc(-1 * var(--space-16));object-fit:contain;object-position:right bottom;opacity:.95;width:48%;height:72%;position:absolute}.tile-press{font:inherit;color:inherit;text-align:inherit;background:0 0;border:0;padding:0;text-decoration:none}.tile-press:after{content:"";z-index:2;position:absolute;inset:0}.greeting{gap:var(--space-8);display:grid}.greeting-heading{font-family:var(--font-heading);letter-spacing:-.02em;color:var(--text);font-size:36px;font-weight:700;line-height:44px}.greeting-name{font-family:var(--font-display);font-style:italic;font-weight:500;line-height:inherit;letter-spacing:inherit}.greeting-lead{color:var(--text-body);font-size:18px;line-height:30px}.choice-group-members{gap:var(--space-8) var(--space-24)}.muted{color:var(--text-muted)}.mono{font-variant-numeric:tabular-nums}.danger{color:var(--accent)}:root{--shadow-bar:0 -8px 24px #1e2a440f}.card.flow-card{padding:0}.flow-head{gap:var(--space-12);padding:var(--space-24) var(--space-32) 0;display:grid}.flow-title{gap:var(--space-8);display:grid}.flow-lead{color:var(--text-muted);font-size:14px;line-height:22px}.flow-body{padding:var(--space-32)}.flow-bar{bottom:var(--bar-clearance,0px);z-index:3;justify-content:space-between;align-items:center;gap:var(--space-16);padding:var(--space-20) var(--space-24);border-top:1px solid var(--border-card);background:var(--surface);border-radius:0 0 var(--radius-card) var(--radius-card);box-shadow:var(--shadow-bar);flex-wrap:wrap;display:flex;position:sticky}.flow-bar-left,.flow-bar-right{align-items:center;gap:var(--space-12);flex-wrap:wrap;display:flex}.flow-bar-right{justify-content:flex-end;margin-left:auto}:root:has(.flow-bar){scroll-padding-bottom:calc(var(--bar-clearance,0px) + 200px)}@media (max-width:767px){.flow-head,.flow-body,.flow-bar{padding-inline:var(--space-16)}}.substeps{gap:var(--space-8);flex-wrap:wrap;display:flex}.substep{align-items:center;gap:var(--space-8);min-height:36px;padding:0 var(--space-16);border:1px solid var(--border);border-radius:var(--radius-pill);background:var(--surface);color:var(--text-muted);font-family:var(--font-heading);font-size:14px;font-weight:600;text-decoration:none;display:inline-flex}.substep .n{color:var(--text-faint);font-size:12px}.substep[aria-current]{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}.substep[aria-current] .n{color:inherit;opacity:.7}.substep.done{color:var(--text)}.substep[aria-disabled=true]{border-style:dashed}@media (pointer:coarse){.substep{min-height:var(--control-h)}}.pop-anchor{display:inline-block;position:relative}.tip{z-index:4;width:max-content;max-width:min(20rem,80vw);padding:var(--space-4) var(--space-8);border-radius:var(--radius-control);background:var(--primary);color:var(--on-primary);box-shadow:var(--shadow-popover);pointer-events:none;font-size:12px;line-height:16px;position:absolute;top:calc(100% + 6px);left:0}.working-row{align-items:center;gap:var(--space-12);padding:var(--space-4) 0;display:flex}.working-row-line{color:var(--text);font-size:14px;line-height:22px}.working-row-tail{color:var(--text-muted)}.working-row>.btn{margin-left:auto}:has(>.ornament){position:relative}.card-sand{background:var(--surface-subtle);box-shadow:none;border-color:#0000}.page-column{width:var(--page-column-width);min-width:0;max-width:100%}.page-column-centered{margin-inline:auto}.card-foot-start{align-items:center;gap:var(--space-12);margin-right:auto;display:flex}