h1[data-astro-cid-znpuevna]{font-size:1.75rem;font-weight:700;margin:.75rem 0 .5rem}.subtitle[data-astro-cid-znpuevna]{color:#64748b;margin-bottom:1.25rem;font-size:.95rem}.tabs[data-astro-cid-znpuevna]{display:flex;gap:.25rem;border-bottom:2px solid #e2e8f0;margin-bottom:1.5rem}.tab[data-astro-cid-znpuevna]{padding:.625rem 1.25rem;font-size:.9rem;font-weight:600;color:#64748b;background:transparent;border:none;border-bottom:2px solid transparent;margin-bottom:-2px;cursor:pointer;border-radius:4px 4px 0 0;transition:color .15s,border-color .15s}.tab[data-astro-cid-znpuevna]:hover{color:#1e40af}.tab[data-astro-cid-znpuevna].active{color:#1e40af;border-bottom-color:#1e40af;background:#eff6ff}.tab-panel[data-astro-cid-znpuevna]{display:flex;flex-direction:column;gap:1.25rem}.tab-panel[data-astro-cid-znpuevna].hidden{display:none}.pattern-field[data-astro-cid-znpuevna]{display:flex;flex-direction:column;gap:.25rem}.pattern-field[data-astro-cid-znpuevna]>label[data-astro-cid-znpuevna]{font-size:.875rem;font-weight:600;color:#475569}.pattern-input-wrap[data-astro-cid-znpuevna]{display:flex;align-items:center;gap:0;border:1px solid #cbd5e1;border-radius:8px;background:#fff;overflow:hidden;transition:border-color .15s}.pattern-input-wrap[data-astro-cid-znpuevna]:focus-within{border-color:#1e40af;box-shadow:0 0 0 3px #1e40af1a}.pattern-input-wrap[data-astro-cid-znpuevna].error{border-color:#dc2626;box-shadow:0 0 0 3px #dc26261a}.slash[data-astro-cid-znpuevna]{padding:0 .5rem;font-family:Courier New,monospace;font-size:1.1rem;color:#94a3b8;user-select:none}.pattern-input-wrap[data-astro-cid-znpuevna] input[data-astro-cid-znpuevna][type=text]{flex:1;border:none;outline:none;padding:.625rem .25rem;font-family:Courier New,monospace;font-size:1rem;color:#1e293b;background:transparent}.flags-group[data-astro-cid-znpuevna]{display:flex;align-items:center;gap:0;padding:0 .5rem;border-left:1px solid #e2e8f0}.flag-label[data-astro-cid-znpuevna]{display:flex;align-items:center;gap:.2rem;font-family:Courier New,monospace;font-size:.95rem;font-weight:600;color:#475569;padding:.375rem;cursor:pointer;user-select:none}.flag-label[data-astro-cid-znpuevna]:hover{color:#1e40af}.flag-label[data-astro-cid-znpuevna] input[data-astro-cid-znpuevna][type=checkbox]{accent-color:#1e40af;width:14px;height:14px}.pattern-error[data-astro-cid-znpuevna]{font-size:.8rem;color:#dc2626;min-height:1.2em}.editors[data-astro-cid-znpuevna]{display:grid;grid-template-columns:1fr 1fr;gap:1rem}@media(max-width:640px){.editors[data-astro-cid-znpuevna]{grid-template-columns:1fr}}.editor-header[data-astro-cid-znpuevna]{display:flex;align-items:center;justify-content:space-between;margin-bottom:.25rem}.editor-wrapper[data-astro-cid-znpuevna]>label[data-astro-cid-znpuevna],.editor-header[data-astro-cid-znpuevna]>label[data-astro-cid-znpuevna]{font-size:.875rem;font-weight:600;color:#475569}.match-badge[data-astro-cid-znpuevna]{font-size:.8rem;font-weight:600;padding:.15rem .5rem;border-radius:999px;background:#dbeafe;color:#1e40af;display:none}.match-badge[data-astro-cid-znpuevna].visible{display:inline-block}.match-badge[data-astro-cid-znpuevna].no-match{background:#f1f5f9;color:#94a3b8}.info-text[data-astro-cid-znpuevna]{font-size:.8rem;color:#64748b}.highlight-container[data-astro-cid-znpuevna]{position:relative;border:1px solid #cbd5e1;border-radius:8px;background:#fff;overflow:hidden;transition:border-color .15s}.highlight-container[data-astro-cid-znpuevna]:focus-within{border-color:#1e40af;box-shadow:0 0 0 3px #1e40af1a}.highlight-container[data-astro-cid-znpuevna].error{border-color:#dc2626}.highlight-layer[data-astro-cid-znpuevna]{position:absolute;top:0;left:0;width:100%;height:100%;padding:.875rem;font-size:1rem;font-family:Courier New,monospace;white-space:pre-wrap;word-wrap:break-word;color:transparent;pointer-events:none;overflow:hidden;box-sizing:border-box;line-height:1.5}.highlight-layer[data-astro-cid-znpuevna] mark{background:#fbbf2480;border-radius:2px;color:transparent;padding:0}#ft-input[data-astro-cid-znpuevna]{position:relative;width:100%;padding:.875rem;font-size:1rem;font-family:Courier New,monospace;border:none;outline:none;resize:vertical;background:transparent;color:#1e293b;line-height:1.5;caret-color:#1e293b;box-sizing:border-box}.match-list[data-astro-cid-znpuevna]{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:.75rem;min-height:200px;max-height:280px;overflow-y:auto;font-family:Courier New,monospace;font-size:.875rem;display:flex;flex-direction:column;gap:.375rem}.placeholder-text[data-astro-cid-znpuevna]{color:#94a3b8;font-family:inherit;font-size:.875rem}.match-item[data-astro-cid-znpuevna]{background:#fff;border:1px solid #e2e8f0;border-radius:6px;padding:.375rem .625rem;display:flex;flex-direction:column;gap:.15rem}.match-item[data-astro-cid-znpuevna]:hover{border-color:#93c5fd;background:#eff6ff}.match-item-header[data-astro-cid-znpuevna]{display:flex;align-items:center;gap:.5rem}.match-num[data-astro-cid-znpuevna]{font-size:.75rem;color:#94a3b8}.match-value[data-astro-cid-znpuevna]{font-weight:600;color:#1e293b;background:#fbbf2459;border-radius:3px;padding:0 .2rem;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.match-pos[data-astro-cid-znpuevna]{font-size:.72rem;color:#94a3b8;margin-left:auto;white-space:nowrap}.match-groups[data-astro-cid-znpuevna]{font-size:.75rem;color:#475569;display:flex;flex-wrap:wrap;gap:.25rem;padding-left:.25rem}.group-tag[data-astro-cid-znpuevna]{background:#e0f2fe;color:#0369a1;border-radius:3px;padding:.05rem .3rem}.replace-section[data-astro-cid-znpuevna]{border:1px solid #e2e8f0;border-radius:8px;background:#fff}.replace-toggle[data-astro-cid-znpuevna]{padding:.75rem 1rem;font-size:.95rem;font-weight:600;color:#475569;cursor:pointer;user-select:none;list-style:none;display:flex;align-items:center;gap:.5rem}.replace-toggle[data-astro-cid-znpuevna]::-webkit-details-marker{display:none}.replace-toggle[data-astro-cid-znpuevna]:before{content:"▶";font-size:.7rem;color:#94a3b8;transition:transform .15s}details[data-astro-cid-znpuevna][open] .replace-toggle[data-astro-cid-znpuevna]:before{transform:rotate(90deg)}.replace-body[data-astro-cid-znpuevna]{padding:0 1rem 1rem;display:flex;flex-direction:column;gap:1rem}.replace-input-row[data-astro-cid-znpuevna]{display:flex;flex-direction:column;gap:.25rem}.replace-input-row[data-astro-cid-znpuevna] label[data-astro-cid-znpuevna]{font-size:.875rem;font-weight:600;color:#475569}.replace-input-row[data-astro-cid-znpuevna] input[data-astro-cid-znpuevna][type=text]{width:100%;padding:.625rem .875rem;font-family:Courier New,monospace;font-size:.95rem;border:1px solid #cbd5e1;border-radius:8px;outline:none;background:#fff;color:#1e293b;transition:border-color .15s}.replace-input-row[data-astro-cid-znpuevna] input[data-astro-cid-znpuevna][type=text]:focus{border-color:#1e40af;box-shadow:0 0 0 3px #1e40af1a}textarea[data-astro-cid-znpuevna][readonly]{background:#f8fafc;width:100%;padding:.875rem;font-size:.875rem;font-family:Courier New,monospace;border:1px solid #cbd5e1;border-radius:8px;resize:vertical;color:#1e293b;outline:none;transition:border-color .15s}.btn[data-astro-cid-znpuevna]{display:inline-block;padding:.5rem 1.25rem;border-radius:6px;border:none;cursor:pointer;font-size:.875rem;font-weight:500}.btn[data-astro-cid-znpuevna]:disabled{opacity:.4;cursor:not-allowed}.btn-primary[data-astro-cid-znpuevna]{background:#1e40af;color:#fff}.btn-primary[data-astro-cid-znpuevna]:hover:not(:disabled){background:#1e3a8a}.btn-secondary[data-astro-cid-znpuevna]{background:#e2e8f0;color:#1e293b}.btn-secondary[data-astro-cid-znpuevna]:hover:not(:disabled){background:#cbd5e1}.copy-btn[data-astro-cid-znpuevna]{align-self:flex-start;margin-top:.25rem}.quiz-layout[data-astro-cid-znpuevna]{display:grid;grid-template-columns:220px 1fr;gap:1.25rem;align-items:start}@media(max-width:768px){.quiz-layout[data-astro-cid-znpuevna]{grid-template-columns:1fr}}.problem-nav[data-astro-cid-znpuevna]{background:#fff;border:1px solid #e2e8f0;border-radius:10px;overflow:hidden}.nav-header[data-astro-cid-znpuevna]{padding:.75rem 1rem;font-size:.875rem;font-weight:700;color:#475569;border-bottom:1px solid #e2e8f0;background:#f8fafc}.problem-list[data-astro-cid-znpuevna]{list-style:none;padding:.375rem;display:flex;flex-direction:column;gap:.25rem}.problem-btn[data-astro-cid-znpuevna]{width:100%;text-align:left;background:transparent;border:1px solid transparent;border-radius:6px;padding:.5rem .625rem;cursor:pointer;display:flex;align-items:center;gap:.5rem;transition:background .12s}.problem-btn[data-astro-cid-znpuevna]:hover{background:#f1f5f9}.problem-btn[data-astro-cid-znpuevna].active{background:#eff6ff;border-color:#bfdbfe}.problem-btn[data-astro-cid-znpuevna].solved{border-color:#bbf7d0;background:#f0fdf4}.problem-btn-title[data-astro-cid-znpuevna]{font-size:.8rem;color:#334155;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.check-icon[data-astro-cid-znpuevna]{font-size:.875rem;flex-shrink:0}.level-badge[data-astro-cid-znpuevna]{font-size:.7rem;font-weight:700;padding:.1rem .4rem;border-radius:999px;white-space:nowrap;flex-shrink:0}.level-1[data-astro-cid-znpuevna]{background:#dcfce7;color:#166534}.level-2[data-astro-cid-znpuevna]{background:#fef9c3;color:#854d0e}.level-3[data-astro-cid-znpuevna]{background:#fce7f3;color:#9d174d}.quiz-card[data-astro-cid-znpuevna]{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:1.5rem;display:flex;flex-direction:column;gap:1.25rem}.quiz-card-header[data-astro-cid-znpuevna]{display:flex;align-items:center;gap:.75rem}.quiz-num[data-astro-cid-znpuevna]{font-size:.875rem;color:#64748b;font-weight:600}.quiz-title[data-astro-cid-znpuevna]{font-size:1.2rem;font-weight:700;color:#1e293b}.quiz-desc[data-astro-cid-znpuevna]{font-size:.95rem;color:#475569;line-height:1.6}.quiz-text-section[data-astro-cid-znpuevna],.quiz-expected-section[data-astro-cid-znpuevna],.quiz-answer-section[data-astro-cid-znpuevna]{display:flex;flex-direction:column;gap:.5rem}.section-label-row[data-astro-cid-znpuevna]{display:flex;align-items:center;justify-content:space-between}.section-label[data-astro-cid-znpuevna]{font-size:.8rem;font-weight:700;color:#64748b;text-transform:uppercase;letter-spacing:.04em}.expected-count[data-astro-cid-znpuevna]{font-size:.8rem;color:#64748b}.quiz-test-text[data-astro-cid-znpuevna]{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:.875rem;font-family:Courier New,monospace;font-size:.9rem;color:#1e293b;white-space:pre-wrap;word-break:break-all;line-height:1.6;margin:0}.expected-list[data-astro-cid-znpuevna]{display:flex;flex-wrap:wrap;gap:.375rem}.expected-tag[data-astro-cid-znpuevna]{background:#dbeafe;color:#1e40af;border-radius:4px;padding:.2rem .5rem;font-family:Courier New,monospace;font-size:.85rem;font-weight:600}.quiz-feedback[data-astro-cid-znpuevna]{border:1px solid #e2e8f0;border-radius:8px;padding:1rem;min-height:5rem;transition:border-color .2s,background .2s}.quiz-feedback[data-astro-cid-znpuevna].correct{border-color:#22c55e;background:#f0fdf4}.quiz-feedback[data-astro-cid-znpuevna].incorrect{border-color:#f97316;background:#fff7ed}.quiz-feedback[data-astro-cid-znpuevna].error{border-color:#dc2626;background:#fef2f2}.feedback-placeholder[data-astro-cid-znpuevna]{color:#94a3b8;font-size:.9rem}.feedback-result[data-astro-cid-znpuevna]{display:flex;flex-direction:column;gap:.625rem}.feedback-status[data-astro-cid-znpuevna]{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:1rem}.feedback-status[data-astro-cid-znpuevna].correct{color:#15803d}.feedback-status[data-astro-cid-znpuevna].incorrect{color:#c2410c}.feedback-status[data-astro-cid-znpuevna].error{color:#dc2626}.feedback-detail[data-astro-cid-znpuevna]{font-size:.875rem;color:#475569}.feedback-matches[data-astro-cid-znpuevna]{display:flex;flex-wrap:wrap;gap:.25rem;margin-top:.25rem}.feedback-match-tag[data-astro-cid-znpuevna]{background:#fff;border:1px solid #86efac;color:#15803d;border-radius:4px;padding:.1rem .4rem;font-family:Courier New,monospace;font-size:.8rem}.feedback-match-tag[data-astro-cid-znpuevna].missing{border-color:#fca5a5;color:#dc2626;background:#fef2f2}.feedback-match-tag[data-astro-cid-znpuevna].extra{border-color:#fde68a;color:#92400e;background:#fffbeb}.quiz-actions[data-astro-cid-znpuevna]{display:flex;gap:.625rem;flex-wrap:wrap}.quiz-hint[data-astro-cid-znpuevna],.quiz-solution[data-astro-cid-znpuevna]{border-radius:8px;padding:.875rem;font-size:.9rem;display:flex;align-items:baseline;gap:.5rem;flex-wrap:wrap}.quiz-hint[data-astro-cid-znpuevna]{background:#fefce8;border:1px solid #fde68a;color:#78350f}.quiz-solution[data-astro-cid-znpuevna]{background:#f0f9ff;border:1px solid #bae6fd;color:#0c4a6e}.hint-label[data-astro-cid-znpuevna],.solution-label[data-astro-cid-znpuevna]{font-weight:700;white-space:nowrap}.solution-code[data-astro-cid-znpuevna]{font-family:Courier New,monospace;background:#e0f2fe;border-radius:4px;padding:.1rem .4rem;font-size:.9rem}.hidden[data-astro-cid-znpuevna]{display:none!important}.progress-section[data-astro-cid-znpuevna]{margin-top:1rem}.progress-label[data-astro-cid-znpuevna]{display:flex;justify-content:space-between;font-size:.8rem;color:#64748b;margin-bottom:.375rem}.progress-bar-bg[data-astro-cid-znpuevna]{height:8px;background:#e2e8f0;border-radius:999px;overflow:hidden}.progress-bar-fill[data-astro-cid-znpuevna]{height:100%;background:#22c55e;border-radius:999px;transition:width .3s ease}#panel-test[data-astro-cid-znpuevna] .pattern-field[data-astro-cid-znpuevna]>label[data-astro-cid-znpuevna]{font-size:.875rem;font-weight:600;color:#475569}