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svelte-18aqna2-workspace-collapse{0%{opacity:1;transform:scale(1)translateY(0)}to{opacity:0;transform:scale(.975)translateY(.75rem)}}@keyframes svelte-18aqna2-workspace-backdrop-in{0%{opacity:0}to{opacity:1}}@keyframes svelte-18aqna2-workspace-backdrop-out{0%{opacity:1}to{opacity:0}}.exercise-launcher.svelte-18aqna2{align-items:center;gap:var(--space-6);padding:var(--space-5) var(--space-6);border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface-raised);grid-template-columns:minmax(0,1fr) auto;display:grid}@media (width<=42rem){.exercise-launcher.svelte-18aqna2{align-items:start;gap:var(--space-4);padding:var(--space-4);grid-template-columns:minmax(0,1fr)}.launch-actions.svelte-18aqna2{justify-items:start}}.launch-copy.svelte-18aqna2{min-width:0}.launch-copy.svelte-18aqna2 h3:where(.svelte-18aqna2){margin-top:var(--space-2);font-size:var(--text-lg)}.launch-copy.svelte-18aqna2 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ol:where(.svelte-18aqna2),.ticket-section.svelte-18aqna2 ul:where(.svelte-18aqna2){margin-top:var(--space-2);padding-left:1.7em}.ticket-section.svelte-18aqna2 ol:where(.svelte-18aqna2){gap:var(--space-2);padding:0;list-style:none;display:grid}.ticket-section.svelte-18aqna2 ol:where(.svelte-18aqna2) li:where(.svelte-18aqna2){column-gap:var(--space-2);grid-template-columns:2.8rem minmax(0,1fr);align-items:start;display:grid}.ticket-section.svelte-18aqna2 li:where(.svelte-18aqna2)+li:where(.svelte-18aqna2){margin-top:var(--space-2)}.ticket-section.svelte-18aqna2 ol:where(.svelte-18aqna2) li:where(.svelte-18aqna2)+li:where(.svelte-18aqna2){margin-top:0}.criterion-id.svelte-18aqna2{color:var(--accent-ink);font:var(--text-xs) var(--font-mono);display:block}.ticket-section.notes.svelte-18aqna2 ul:where(.svelte-18aqna2){padding-left:1.7em}.copy-note.svelte-18aqna2{margin-top:var(--space-4)}.copy-ticket.svelte-18aqna2{background:var(--surface-raised);color:var(--ink);border:1px solid 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var(--border-strong);color:var(--ink);background:var(--surface);border-radius:999px}.editor-toolbar.svelte-18aqna2{justify-content:space-between;align-items:center;gap:var(--space-3);display:flex;position:relative}.editor-toolbar.svelte-18aqna2 .language-switch:where(.svelte-18aqna2){margin-top:0}@media (width<=42rem){.toolbar-selectors.svelte-18aqna2{gap:var(--space-2);flex-wrap:wrap}.exercise-picker.svelte-18aqna2{width:100%}.exercise-picker-control.svelte-18aqna2{flex:1;max-width:none}.exercise-picker.svelte-18aqna2 select:where(.svelte-18aqna2){max-width:none}}.editor-settings-toggle.svelte-18aqna2{border-radius:var(--radius-md);min-height:2.75rem}.editor-settings.svelte-18aqna2{top:calc(100% + var(--space-2));z-index:5;gap:var(--space-3);min-width:12rem;padding:var(--space-4);border:1px solid var(--border-strong);border-radius:var(--radius-md);background:var(--surface-raised);display:grid;position:absolute;right:0;box-shadow:0 .75rem 2rem #00000047}.editor-settings.svelte-18aqna2 label:where(.svelte-18aqna2){gap:var(--space-1);color:var(--ink-muted);font-size:var(--text-xs);display:grid}.editor-settings.svelte-18aqna2 select:where(.svelte-18aqna2){min-height:2.5rem;padding:var(--space-2) var(--space-3);border:1px solid var(--border-strong);border-radius:var(--radius-sm);color:var(--ink);background:var(--surface)}.language-switch.svelte-18aqna2 button:where(.svelte-18aqna2){background:var(--surface);color:var(--ink-muted);border:1px solid var(--border)}.language-switch.svelte-18aqna2 button.active:where(.svelte-18aqna2){border-color:var(--accent-ink);color:var(--ink);background:var(--accent-soft)}.language-switch.svelte-18aqna2 span:where(.svelte-18aqna2){font:var(--text-xs) var(--font-mono)}.runner-note.svelte-18aqna2{margin-top:var(--space-2)}.editor-label.svelte-18aqna2{margin-top:var(--space-5);font-size:var(--text-sm);font-weight:600}.editor.svelte-18aqna2{margin-top:var(--space-2);border:1px solid var(--editor-outline,var(--code-border));border-radius:var(--radius-md);background:var(--code-bg);overflow:hidden;box-shadow:inset 0 1px #ffffff09}.editor.svelte-18aqna2 .cm-editor{height:24rem;font:var(--exercise-font-size,13px)/1.6 var(--font-mono)}.editor.svelte-18aqna2 .cm-scroller{font-family:var(--font-mono);overflow:auto}.editor.svelte-18aqna2 .cm-content{padding-block:var(--space-3);tab-size:var(--exercise-tab-size,2)}.editor.svelte-18aqna2 .cm-gutters{border:0}.guidance-notes.svelte-18aqna2{margin-top:var(--space-2);padding:var(--space-3) var(--space-4);border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface)}.guidance-heading.svelte-18aqna2{margin-bottom:var(--space-2);color:var(--ink);font-size:var(--text-xs);font-weight:600}.guidance-notes.svelte-18aqna2 p:where(.svelte-18aqna2)+p:where(.svelte-18aqna2){margin-top:var(--space-1)}.guidance-notes.svelte-18aqna2 code:where(.svelte-18aqna2){color:var(--guidance-comment);font:var(--text-xs) var(--font-mono);font-style:italic}.editor-help.svelte-18aqna2{margin-top:var(--space-2)}.checks.svelte-18aqna2{margin-top:var(--space-4);padding:var(--space-4);border-radius:var(--radius-md);background:var(--surface)}.checks.svelte-18aqna2 p:where(.svelte-18aqna2){color:var(--ink);font-weight:600}.checks.svelte-18aqna2 ul:where(.svelte-18aqna2),.results.svelte-18aqna2 ul:where(.svelte-18aqna2){margin-top:var(--space-2);padding-left:1.4em}.checks.svelte-18aqna2 li:where(.svelte-18aqna2)+li:where(.svelte-18aqna2),.results.svelte-18aqna2 li:where(.svelte-18aqna2)+li:where(.svelte-18aqna2){margin-top:var(--space-1)}.actions.svelte-18aqna2{align-items:center;gap:var(--space-3);margin-top:var(--space-4);flex-wrap:wrap;display:flex}.guidance-toggle.svelte-18aqna2{align-items:center;gap:var(--space-2);min-height:44px;color:var(--ink-muted);font-size:var(--text-xs);cursor:pointer;display:inline-flex}.guidance-toggle.svelte-18aqna2 input:where(.svelte-18aqna2){width:1rem;height:1rem;accent-color:var(--color-primary);margin:0}button.svelte-18aqna2{min-height:44px;padding:var(--space-2) var(--space-4);border-radius:var(--radius-pill);background:var(--action-bg);color:var(--action-ink);font-size:var(--text-sm);cursor:pointer;border:0}button.svelte-18aqna2:disabled{cursor:not-allowed;opacity:.5}button.quiet.svelte-18aqna2{padding-inline:var(--space-2);color:var(--accent-ink);text-underline-offset:3px;background:0 0;text-decoration:underline}button.svelte-18aqna2:focus-visible{outline:2px solid var(--accent-ink);outline-offset:2px}.hints.svelte-18aqna2{margin-top:var(--space-4);padding-left:1.4em}.hints.svelte-18aqna2 li:where(.svelte-18aqna2)+li:where(.svelte-18aqna2){margin-top:var(--space-2)}.results.svelte-18aqna2,.solution.svelte-18aqna2{margin-top:var(--space-5);padding-top:var(--space-4);border-top:1px solid var(--border)}.results.svelte-18aqna2 h4:where(.svelte-18aqna2),.solution.svelte-18aqna2 h4:where(.svelte-18aqna2){font-size:var(--text-md)}.results.svelte-18aqna2 li:where(.svelte-18aqna2){padding-left:var(--space-1)}.results.svelte-18aqna2 .passed:where(.svelte-18aqna2)>span:where(.svelte-18aqna2){color:var(--success-ink,var(--accent-ink))}.results.svelte-18aqna2 small:where(.svelte-18aqna2){color:var(--ink-muted);display:block}.error.svelte-18aqna2{margin-top:var(--space-4);padding:var(--space-3);border-left:3px solid var(--danger-ink,#d66);color:var(--ink);background:var(--surface);font-size:var(--text-sm);white-space:pre-wrap}.solution-actions.svelte-18aqna2{margin-top:var(--space-4)}.solution.svelte-18aqna2 p:where(.svelte-18aqna2){margin-top:var(--space-2)}.solution.svelte-18aqna2 pre:where(.svelte-18aqna2){margin-top:var(--space-3);padding:var(--space-4);border-radius:var(--radius-md);background:var(--surface);color:var(--ink);font:var(--text-xs)/1.6 var(--font-mono);overflow:auto}.sandbox.svelte-18aqna2{border:0;width:1px;height:1px;position:absolute;top:-10000px;left:-10000px}@media (width<=35rem){.exercise.svelte-18aqna2{padding:var(--space-4)}.kind.svelte-18aqna2{font-size:10px}.ticket.svelte-18aqna2{padding:var(--space-4)}.ticket-header.svelte-18aqna2{flex-direction:column;align-items:flex-start}.editor.svelte-18aqna2 .cm-editor{height:22rem;font-size:12px}}.workspace-open.svelte-18aqna2 .exercise:where(.svelte-18aqna2){gap:var(--space-4);width:100%;height:100%;padding:var(--space-4);border:0;border-radius:0;flex-direction:column;padding-top:3.75rem;display:flex;overflow:hidden}.workspace-open.svelte-18aqna2 .exercise:where(.svelte-18aqna2)>header:where(.svelte-18aqna2){z-index:4;flex:0 0 0;min-height:0;margin:0;position:relative}.workspace-open.svelte-18aqna2 .exercise:where(.svelte-18aqna2)>header:where(.svelte-18aqna2)>div:where(.svelte-18aqna2):first-child{display:none}.workspace-open.svelte-18aqna2 .exercise:where(.svelte-18aqna2)>header:where(.svelte-18aqna2) .header-actions:where(.svelte-18aqna2){position:absolute;top:-2.75rem;right:0}.workspace-open.svelte-18aqna2 .exercise:where(.svelte-18aqna2)>header:where(.svelte-18aqna2) .kind:where(.svelte-18aqna2){display:none}.workspace-open.svelte-18aqna2 .workspace-layout:where(.svelte-18aqna2){grid-template-columns:minmax(16rem, var(--problem-pane-split)) .7rem minmax(16rem, 1fr);gap:var(--space-2);flex:1;min-height:0}.workspace-open.svelte-18aqna2 .problem-resizer:where(.svelte-18aqna2),.workspace-open.svelte-18aqna2 .code-resizer:where(.svelte-18aqna2){display:block}.workspace-open.svelte-18aqna2 .problem-pane:where(.svelte-18aqna2),.workspace-open.svelte-18aqna2 .editor-pane:where(.svelte-18aqna2){border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface-raised);min-height:0;overflow:auto}.workspace-open.svelte-18aqna2 .ticket:where(.svelte-18aqna2){background:0 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0;border:0;border-radius:0;outline:none;min-width:0;min-height:0;padding:0;display:none;position:relative}.resize-handle.svelte-18aqna2:after{border-radius:var(--radius-pill);background:var(--border-strong);content:"";width:3px;height:2rem;transition:background .12s,height .12s,width .12s;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.resize-handle.svelte-18aqna2:hover:after,.resize-handle.svelte-18aqna2:focus-visible:after{background:var(--accent-ink);height:3rem}.problem-resizer.svelte-18aqna2{cursor:col-resize}.code-resizer.svelte-18aqna2{cursor:row-resize}.code-resizer.svelte-18aqna2:after{width:2rem;height:3px}.code-resizer.svelte-18aqna2:hover:after,.code-resizer.svelte-18aqna2:focus-visible:after{width:3rem;height:3px}.workspace-open.svelte-18aqna2 .runner-note:where(.svelte-18aqna2),.workspace-open.svelte-18aqna2 .editor-label:where(.svelte-18aqna2),.workspace-open.svelte-18aqna2 .editor-help:where(.svelte-18aqna2),.workspace-open.svelte-18aqna2 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