.exercise-list.svelte-7ml2ni{border-right:1px solid var(--border-color);flex-direction:column;height:100%;padding:1.5rem;display:flex}header.svelte-7ml2ni{align-items:center;gap:.75rem;margin-bottom:1.5rem;display:flex}.header-info.svelte-7ml2ni{flex-direction:column;min-width:0;display:flex}.progress-text.svelte-7ml2ni{color:var(--text-muted);font-size:.6875rem;font-weight:500}.progress-bar.svelte-7ml2ni{background:var(--bg-tertiary);border-radius:2px;height:3px;margin-bottom:1rem;overflow:hidden}.progress-fill.svelte-7ml2ni{background:var(--success);border-radius:2px;height:100%;transition:width .3s}.sidebar-close.svelte-7ml2ni{border:1px solid var(--border-color);width:2rem;height:2rem;color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;transition:background-color .15s,color .15s;display:flex}.sidebar-close.svelte-7ml2ni:hover{background:var(--bg-secondary);color:var(--text-primary)}h1.svelte-7ml2ni{letter-spacing:-.02em;color:var(--text-primary);margin:0;font-size:1.25rem;font-weight:600}.filter.svelte-7ml2ni{margin-bottom:1rem}.filter.svelte-7ml2ni label:where(.svelte-7ml2ni){text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);margin-bottom:.5rem;font-size:.75rem;font-weight:500;display:block}.filter.svelte-7ml2ni select:where(.svelte-7ml2ni){border:1px solid var(--border-color);background:var(--bg-primary);width:100%;min-height:44px;color:var(--text-primary);appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23787774' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-position:right .75rem center;background-repeat:no-repeat;border-radius:4px;padding:.5rem .75rem;font-size:.875rem}.exercises.svelte-7ml2ni{flex:1;margin:0;padding:0;list-style:none;overflow-y:auto}.exercises.svelte-7ml2ni li:where(.svelte-7ml2ni){margin-bottom:0}.exercise-item.svelte-7ml2ni{cursor:pointer;text-align:left;background:0 0;border:1px solid #0000;border-radius:6px;align-items:center;gap:.75rem;width:100%;padding:.75rem;transition:background-color .15s;display:flex}.exercise-item.svelte-7ml2ni:hover{background:var(--bg-secondary)}.exercise-item.svelte-7ml2ni:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.exercise-item.selected.svelte-7ml2ni{background:var(--bg-secondary);border-color:var(--border-color)}.exercise-item.completed.svelte-7ml2ni{opacity:.7}.exercise-number.svelte-7ml2ni{background:var(--bg-tertiary);border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;width:1.5rem;height:1.5rem;font-family:SF Mono,JetBrains Mono,monospace;font-size:.75rem;font-weight:500;display:flex}.exercise-number.completed.svelte-7ml2ni{background:var(--success);color:#fff}.exercise-info.svelte-7ml2ni{flex-direction:column;min-width:0;display:flex}.exercise-title.svelte-7ml2ni{white-space:nowrap;text-overflow:ellipsis;font-size:.875rem;font-weight:500;overflow:hidden}.exercise-title.completed.svelte-7ml2ni{color:var(--text-secondary);text-decoration:line-through}.exercise-category.svelte-7ml2ni{color:var(--text-secondary);font-size:.75rem}.sidebar-section.svelte-7ml2ni{border-top:1px solid var(--border-color);margin-top:.75rem;padding-top:.75rem}.custom-link.svelte-7ml2ni{width:100%;color:var(--text-primary);border:1px solid #0000;border-radius:6px;align-items:center;gap:.75rem;padding:.75rem;font-size:.875rem;font-weight:500;text-decoration:none;transition:background-color .15s;display:flex}.custom-link.svelte-7ml2ni:hover{background:var(--bg-secondary)}.custom-link.svelte-7ml2ni:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.exercise-view.svelte-wc1ygd{padding:1.5rem;overflow-y:auto}header.svelte-wc1ygd{margin-bottom:1.5rem}h2.svelte-wc1ygd{letter-spacing:-.02em;margin:0 0 .5rem;font-size:1.125rem;font-weight:600}.description.svelte-wc1ygd{color:var(--text-secondary);margin:0;font-size:.9375rem;line-height:1.5}section.svelte-wc1ygd{margin-bottom:1.5rem}h3.svelte-wc1ygd{text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);margin:0 0 .75rem;font-size:.75rem;font-weight:500}h4.svelte-wc1ygd{color:var(--text-secondary);margin:0 0 .5rem;font-size:.875rem;font-weight:500}.table-section.svelte-wc1ygd{margin-bottom:1rem}.table-wrapper.svelte-wc1ygd{border:1px solid var(--border-color);border-radius:6px;overflow-x:auto}table.svelte-wc1ygd{border-collapse:collapse;width:100%;font-family:SF Mono,JetBrains Mono,monospace;font-size:.8125rem}th.svelte-wc1ygd,td.svelte-wc1ygd{text-align:left;border-bottom:1px solid var(--border-color);padding:.5rem .75rem}th.svelte-wc1ygd{background:var(--bg-secondary);text-transform:uppercase;letter-spacing:.03em;color:var(--text-secondary);font-size:.75rem;font-weight:500}tr.svelte-wc1ygd:last-child td:where(.svelte-wc1ygd){border-bottom:none}.editor-container.svelte-15q8ulh{flex-direction:column;flex:1;min-height:0;display:flex}.editor-panel.svelte-15q8ulh{border:1px solid var(--border-color);background:var(--bg-editor);border-radius:8px;flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden}.code-editor.svelte-15q8ulh{background:0 0;flex:1;min-height:200px;overflow:hidden}.editor-toolbar.svelte-15q8ulh{background:var(--bg-tertiary);border-top:1px solid var(--border-color);flex-shrink:0;gap:.5rem;padding:.5rem .75rem;display:flex}.code-editor.svelte-15q8ulh .cm-editor{background:0 0;height:100%}.code-editor.svelte-15q8ulh .cm-scroller{overflow:auto}.code-editor.svelte-15q8ulh .cm-content{caret-color:var(--accent)}.code-editor.svelte-15q8ulh .cm-line{padding:0 12px}.code-editor.svelte-15q8ulh .cm-gutter{background:var(--bg-tertiary);border-right:1px solid var(--border-color)}.code-editor.svelte-15q8ulh .cm-activeLineGutter{background:var(--bg-tertiary)}.code-editor.svelte-15q8ulh .cm-activeLine{background:#58a6ff0d}button.svelte-15q8ulh{cursor:pointer;border-radius:4px;justify-content:center;align-items:center;gap:.375rem;min-height:36px;padding:.375rem .875rem;font-size:.8125rem;font-weight:500;transition:all .15s;display:flex}button.svelte-15q8ulh:active:not(:disabled){transform:scale(.98)}button.svelte-15q8ulh:disabled{opacity:.5;cursor:not-allowed}.btn-primary.svelte-15q8ulh{background:var(--accent);color:var(--bg-primary);border:none}.btn-primary.svelte-15q8ulh:hover:not(:disabled){background:var(--accent-hover)}.btn-primary.svelte-15q8ulh:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn-secondary.svelte-15q8ulh{color:var(--text-secondary);border:1px solid var(--border-color);background:0 0}.btn-secondary.svelte-15q8ulh:hover:not(:disabled){background:var(--bg-secondary)}.results-section.svelte-15q8ulh{border:1px solid var(--border-color);background:var(--bg-primary);border-radius:8px;margin-top:1rem;overflow:hidden}.results-header.svelte-15q8ulh{border-bottom:1px solid var(--border-color);padding:.625rem 1rem;font-size:.8125rem;font-weight:600}.results-header.success.svelte-15q8ulh{background:var(--success-bg);color:var(--success)}.results-header.error.svelte-15q8ulh{background:var(--error-bg);color:var(--error)}.results-title.svelte-15q8ulh{align-items:center;gap:.5rem;display:flex}.results-icon.svelte-15q8ulh{flex-shrink:0}.results-body.svelte-15q8ulh{max-height:400px;overflow-y:auto}.test-result.svelte-15q8ulh{border-bottom:1px solid var(--border-color)}.test-result.svelte-15q8ulh:last-child{border-bottom:none}.test-header.svelte-15q8ulh{background:var(--bg-tertiary);border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:.5rem 1rem;font-size:.8125rem;display:flex}.test-number.svelte-15q8ulh{font-weight:600}.test-status.svelte-15q8ulh{font-weight:500}.test-status.passed.svelte-15q8ulh{color:var(--success)}.test-status.failed.svelte-15q8ulh{color:var(--error)}.error-message.svelte-15q8ulh{background:var(--error-bg);color:var(--error);padding:.75rem 1rem;font-family:SF Mono,JetBrains Mono,Consolas,monospace;font-size:.8125rem}.error-message.svelte-15q8ulh span:where(.svelte-15q8ulh){font-weight:600}.comparison.svelte-15q8ulh{grid-template-columns:1fr 1fr;gap:0;display:grid}.result-column.svelte-15q8ulh{padding:.75rem}.result-column.svelte-15q8ulh:first-child{border-right:1px solid var(--border-color)}.result-column.svelte-15q8ulh h5:where(.svelte-15q8ulh){text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);margin:0 0 .5rem;font-size:.6875rem;font-weight:600}.empty.svelte-15q8ulh{color:var(--text-muted);margin:0;font-size:.8125rem;font-style:italic}.table-wrapper.svelte-15q8ulh{border:1px solid var(--border-color);border-radius:4px;overflow-x:auto}.result-column.svelte-15q8ulh table:where(.svelte-15q8ulh){border-collapse:collapse;width:100%;font-family:SF Mono,JetBrains Mono,monospace;font-size:.75rem}.result-column.svelte-15q8ulh th:where(.svelte-15q8ulh),.result-column.svelte-15q8ulh td:where(.svelte-15q8ulh){text-align:left;border-bottom:1px solid var(--border-color);padding:.375rem .5rem}.result-column.svelte-15q8ulh th:where(.svelte-15q8ulh){background:var(--bg-tertiary);text-transform:uppercase;color:var(--text-secondary);font-size:.6875rem;font-weight:600}.result-column.svelte-15q8ulh tr:where(.svelte-15q8ulh):last-child td:where(.svelte-15q8ulh){border-bottom:none}.result-column.svelte-15q8ulh td.diff:where(.svelte-15q8ulh){background:var(--error-bg);color:var(--error)}.result-column.svelte-15q8ulh tr.diff:where(.svelte-15q8ulh){background:var(--error-bg)}@media (width<=768px){.comparison.svelte-15q8ulh{grid-template-columns:1fr}.result-column.svelte-15q8ulh:first-child{border-right:none;border-bottom:1px solid var(--border-color)}.code-editor.svelte-15q8ulh{min-height:150px}}