.gcd-lcm-wrapper[data-astro-cid-mnckl4op]{margin-bottom:24px}.tool-tabs-card[data-astro-cid-mnckl4op]{padding:0;overflow:hidden;margin-bottom:20px}.tabs-nav[data-astro-cid-mnckl4op]{display:flex;background-color:#f8f6f0;border-bottom:1px solid var(--color-border)}.tab-btn[data-astro-cid-mnckl4op]{flex:1;padding:14px 20px;font-size:1rem;font-weight:600;color:var(--color-navy);background:transparent;border:none;border-bottom:3px solid transparent;cursor:pointer;transition:all .2s ease}.tab-btn[data-astro-cid-mnckl4op]:hover{background-color:#ede8de}.tab-btn[data-astro-cid-mnckl4op].active{color:var(--color-navy);border-bottom-color:var(--color-gold);background-color:var(--color-surface)}.tab-panel[data-astro-cid-mnckl4op]{padding:24px}.tab-panel[data-astro-cid-mnckl4op].hidden{display:none}.inputs-grid[data-astro-cid-mnckl4op]{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:16px}.input-field-group[data-astro-cid-mnckl4op]{display:flex;flex-direction:column;gap:6px}.input-field-group[data-astro-cid-mnckl4op] label[data-astro-cid-mnckl4op]{font-weight:600;font-size:.95rem;color:var(--color-navy)}.required-star[data-astro-cid-mnckl4op]{color:#e53e3e}.optional-tag[data-astro-cid-mnckl4op]{font-weight:400;font-size:.82rem;color:#718096}.num-input[data-astro-cid-mnckl4op]{font-size:1.15rem;padding:12px 14px;font-family:var(--font-mono, monospace)}.preset-chips-row[data-astro-cid-mnckl4op]{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:18px;padding:10px 14px;background-color:#faf8f5;border-radius:6px}.chips-label[data-astro-cid-mnckl4op]{font-size:.88rem;font-weight:600;color:#4a5568}.preset-chip[data-astro-cid-mnckl4op]{padding:5px 12px;font-size:.84rem;font-weight:600;background:#fff;color:var(--color-navy);border:1px solid #D2D6DC;border-radius:16px;cursor:pointer;transition:all .15s ease}.preset-chip[data-astro-cid-mnckl4op]:hover{background:var(--color-navy);color:#fff;border-color:var(--color-navy)}.form-action-row[data-astro-cid-mnckl4op]{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.btn-solve-large[data-astro-cid-mnckl4op]{padding:14px 28px;font-size:1.05rem;font-weight:700}.input-hint[data-astro-cid-mnckl4op]{font-size:.85rem;color:#718096}.result-summary-bar[data-astro-cid-mnckl4op]{padding:18px 22px;border-radius:8px;margin-bottom:16px}.summary-status-row[data-astro-cid-mnckl4op]{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.numbers-badge[data-astro-cid-mnckl4op]{font-size:1rem;font-weight:600;color:#2d3748}.summary-values-row[data-astro-cid-mnckl4op]{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.val-box[data-astro-cid-mnckl4op]{background:#fff;padding:12px 16px;border-radius:6px;border:1px solid #E2E8F0}.val-label[data-astro-cid-mnckl4op]{display:block;font-size:.88rem;font-weight:600;color:#4a5568;margin-bottom:4px}.val-math[data-astro-cid-mnckl4op]{font-size:1.25rem;color:var(--color-navy);font-weight:700}.solution-controls-bar[data-astro-cid-mnckl4op]{display:flex;justify-content:flex-end;margin-bottom:18px}.extended-section[data-astro-cid-mnckl4op]{margin-bottom:24px}.extended-card[data-astro-cid-mnckl4op]{background:#faf8f5;border:1px solid #EAE3D2;padding:18px 22px}.extended-title[data-astro-cid-mnckl4op]{font-size:1.15rem;color:var(--color-navy);margin-bottom:12px}.common-divisors-display[data-astro-cid-mnckl4op]{margin-bottom:12px}.divs-set[data-astro-cid-mnckl4op]{font-size:1.05rem;margin-top:4px}.special-remarks-box[data-astro-cid-mnckl4op]{margin-top:14px;padding-top:12px;border-top:1px dashed #D2D6DC}.special-remarks-box[data-astro-cid-mnckl4op] ul[data-astro-cid-mnckl4op]{margin:6px 0 0 20px;font-size:.95rem;line-height:1.6}.method-section[data-astro-cid-mnckl4op]{margin-bottom:24px;padding:20px 22px;background:#fff;border-radius:8px;border:1px solid var(--color-border)}.method-section-secondary[data-astro-cid-mnckl4op]{background:#fcfbf9}.method-section-secondary[data-astro-cid-mnckl4op].collapsed #method2-steps-container[data-astro-cid-mnckl4op]{display:none}.method-header-row[data-astro-cid-mnckl4op]{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.method-header[data-astro-cid-mnckl4op]{display:flex;align-items:center;gap:10px;margin-bottom:14px}.method-header-row[data-astro-cid-mnckl4op] .method-header[data-astro-cid-mnckl4op]{margin-bottom:0}.method-pill[data-astro-cid-mnckl4op]{font-size:.8rem;font-weight:700;padding:4px 10px;border-radius:12px;text-transform:uppercase}.method-pill-primary[data-astro-cid-mnckl4op]{background-color:var(--color-navy);color:#fff}.method-pill-gold[data-astro-cid-mnckl4op]{background-color:var(--color-gold);color:#fff}.method-title[data-astro-cid-mnckl4op]{font-size:1.15rem;color:var(--color-navy);margin:0}.steps-flow[data-astro-cid-mnckl4op]{display:flex;flex-direction:column;gap:16px}.step-item[data-astro-cid-mnckl4op]{display:flex;gap:14px}.step-num[data-astro-cid-mnckl4op]{flex-shrink:0;width:28px;height:28px;border-radius:50%;background-color:var(--color-navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem}.step-content[data-astro-cid-mnckl4op]{flex:1}.step-title[data-astro-cid-mnckl4op]{font-size:1rem;color:var(--color-navy);margin:0 0 4px}.step-desc[data-astro-cid-mnckl4op]{margin:0 0 8px;font-size:.95rem;line-height:1.5}.step-math[data-astro-cid-mnckl4op]{background-color:#faf8f5;padding:10px 14px;border-radius:6px;border-left:3px solid var(--color-gold);overflow-x:auto}.verification-wrapper[data-astro-cid-mnckl4op]{margin-bottom:24px}.verification-card[data-astro-cid-mnckl4op]{background:#f0fff4;border:1px solid #C6F6D5;padding:16px 20px}.verification-header[data-astro-cid-mnckl4op]{display:flex;align-items:center;gap:8px;margin-bottom:6px}.verification-header[data-astro-cid-mnckl4op] h4[data-astro-cid-mnckl4op]{margin:0;color:#22543d;font-size:1.05rem}.v-desc[data-astro-cid-mnckl4op]{font-size:.95rem;margin:0 0 8px;color:#276749;line-height:1.5}.v-math[data-astro-cid-mnckl4op]{background:#fff;padding:8px 12px;border-radius:6px;border:1px solid #9AE6B4}.multiples-section[data-astro-cid-mnckl4op]{padding:22px;background:#fff}.multiples-title[data-astro-cid-mnckl4op]{font-size:1.2rem;color:var(--color-navy);margin:0 0 6px}.multiples-desc[data-astro-cid-mnckl4op]{font-size:.9rem;color:#4a5568;margin:0 0 16px}.multiples-table-legend[data-astro-cid-mnckl4op]{display:flex;gap:18px;margin-bottom:14px;font-size:.88rem}.legend-item[data-astro-cid-mnckl4op]{display:flex;align-items:center;gap:6px}.legend-box[data-astro-cid-mnckl4op]{display:inline-block;width:16px;height:16px;border-radius:3px}.box-common[data-astro-cid-mnckl4op]{background:#e8f5e9;border:1px solid #2E7D32}.box-lcm[data-astro-cid-mnckl4op]{background:#2e7d32;border:1px solid #1B5E20}.multiples-grid-box[data-astro-cid-mnckl4op]{display:flex;flex-direction:column;gap:12px;overflow-x:auto;padding-bottom:8px}.multiples-row[data-astro-cid-mnckl4op]{display:flex;align-items:center;gap:12px}.row-label[data-astro-cid-mnckl4op]{min-width:110px;font-size:.92rem;color:var(--color-navy)}.row-cells[data-astro-cid-mnckl4op]{display:flex;gap:6px;flex-wrap:nowrap}.mult-cell[data-astro-cid-mnckl4op]{position:relative;padding:6px 12px;background:#f7fafc;border:1px solid #E2E8F0;border-radius:4px;font-size:.92rem;font-family:var(--font-mono, monospace);white-space:nowrap}.cell-common[data-astro-cid-mnckl4op]{background:#e8f5e9;border-color:#2e7d32;color:#1b5e20;font-weight:600}.cell-lcm[data-astro-cid-mnckl4op]{background:#2e7d32;border-color:#1b5e20;color:#fff;font-weight:700}.cell-lcm-badge[data-astro-cid-mnckl4op]{display:block;font-size:.65rem;color:#ffeb3b;margin-top:1px;text-align:center}.cell-ellipsis[data-astro-cid-mnckl4op]{background:transparent;border:none;font-weight:700}.multiples-table-note[data-astro-cid-mnckl4op]{font-size:.82rem;color:#718096;margin-top:10px}.practice-intro[data-astro-cid-mnckl4op]{margin-bottom:18px}.practice-level-selector[data-astro-cid-mnckl4op]{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap}.btn-lvl[data-astro-cid-mnckl4op]{padding:8px 16px;font-size:.9rem;font-weight:600;background:#faf8f5;border:1px solid #D2D6DC;border-radius:6px;color:#4a5568;cursor:pointer;transition:all .2s ease}.btn-lvl[data-astro-cid-mnckl4op].active{background:var(--color-navy);color:#fff;border-color:var(--color-navy)}.practice-problem-card[data-astro-cid-mnckl4op]{padding:20px;background:#faf8f5}.practice-badge[data-astro-cid-mnckl4op]{font-size:.85rem;font-weight:700;color:var(--color-gold);text-transform:uppercase}.practice-math-display[data-astro-cid-mnckl4op]{font-size:1.2rem;padding:12px 0}.practice-answer-row[data-astro-cid-mnckl4op]{display:flex;align-items:flex-end;gap:14px;flex-wrap:wrap;margin-bottom:14px}.practice-input-group[data-astro-cid-mnckl4op]{display:flex;flex-direction:column;gap:4px}.practice-input-group[data-astro-cid-mnckl4op] label[data-astro-cid-mnckl4op]{font-weight:600;font-size:.9rem}.practice-actions[data-astro-cid-mnckl4op]{display:flex;gap:10px;margin-top:14px}.practice-feedback[data-astro-cid-mnckl4op]{padding:12px 16px;border-radius:6px;margin-top:12px}.practice-sol-card[data-astro-cid-mnckl4op]{margin-top:16px;padding:16px;background:#fff;border-left:3px solid var(--color-gold)}.practice-sol-final[data-astro-cid-mnckl4op]{margin-top:10px;color:var(--color-navy)}.editorial-guide[data-astro-cid-mnckl4op]{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;padding:32px 28px;margin-bottom:32px}.editorial-badge-row[data-astro-cid-mnckl4op]{display:flex;gap:8px;margin-bottom:16px}.guide-title[data-astro-cid-mnckl4op]{color:var(--color-navy);font-size:1.5rem;margin-bottom:16px}.guide-intro[data-astro-cid-mnckl4op]{font-size:1rem;line-height:1.6;color:#2d3748;margin-bottom:24px}.guide-rules-grid[data-astro-cid-mnckl4op]{display:flex;flex-direction:column;gap:16px;margin-bottom:28px}.rule-box[data-astro-cid-mnckl4op]{display:flex;gap:14px;background:#faf8f5;border-left:4px solid var(--color-gold);padding:16px 20px;border-radius:0 6px 6px 0}.rule-num[data-astro-cid-mnckl4op]{width:32px;height:32px;border-radius:50%;background-color:var(--color-gold);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1rem;flex-shrink:0}.rule-body[data-astro-cid-mnckl4op] h4[data-astro-cid-mnckl4op]{color:var(--color-navy);margin:0 0 6px;font-size:1.05rem}.rule-body[data-astro-cid-mnckl4op] p[data-astro-cid-mnckl4op]{margin:0;font-size:.95rem;line-height:1.6}.mistakes-container[data-astro-cid-mnckl4op]{background:#fffdf7;border:1px solid #FFE082;border-radius:6px;padding:20px;margin-bottom:20px}.mistakes-heading[data-astro-cid-mnckl4op]{color:#8d5b00;font-size:1.15rem;margin:0 0 14px}.mistakes-grid[data-astro-cid-mnckl4op]{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.mistake-card[data-astro-cid-mnckl4op]{background:#fff;padding:12px 14px;border-radius:6px;border:1px solid #FFE082}.mistake-card[data-astro-cid-mnckl4op] strong[data-astro-cid-mnckl4op]{color:#b78103;display:block;margin-bottom:6px}.mistake-card[data-astro-cid-mnckl4op] p[data-astro-cid-mnckl4op]{font-size:.85rem;margin:0;line-height:1.5}.guide-check-habit[data-astro-cid-mnckl4op]{margin-top:20px;padding:14px 18px;background:#f0fff4;border-left:3px solid #38A169;border-radius:0 6px 6px 0;font-size:.95rem;line-height:1.6;color:var(--color-text)}.examples-heading[data-astro-cid-mnckl4op],.faq-main-heading[data-astro-cid-mnckl4op],.related-heading[data-astro-cid-mnckl4op]{color:var(--color-navy);font-size:1.4rem;margin-bottom:20px}.examples-grid[data-astro-cid-mnckl4op]{display:flex;flex-direction:column;gap:16px}.example-card[data-astro-cid-mnckl4op]{padding:18px}.example-header[data-astro-cid-mnckl4op]{display:flex;align-items:center;gap:10px;margin-bottom:10px}.ex-badge[data-astro-cid-mnckl4op]{background:var(--color-gold);color:#fff;font-size:.75rem;font-weight:700;padding:2px 8px;border-radius:4px}.ex-solution[data-astro-cid-mnckl4op] p[data-astro-cid-mnckl4op]{margin:4px 0;font-size:.95rem;line-height:1.5}.ex-result[data-astro-cid-mnckl4op]{margin-top:8px!important;padding-top:6px;border-top:1px dashed #E2E8F0;color:var(--color-navy)}.faq-accordion-wrapper[data-astro-cid-mnckl4op]{margin-bottom:32px}.faq-list[data-astro-cid-mnckl4op]{display:flex;flex-direction:column;gap:12px}.faq-item[data-astro-cid-mnckl4op]{background:var(--color-surface);border:1px solid var(--color-border);border-radius:6px;padding:14px 18px}.faq-question[data-astro-cid-mnckl4op]{display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:1.05rem;color:var(--color-navy);cursor:pointer}.faq-icon[data-astro-cid-mnckl4op]{font-size:1.2rem;color:var(--color-gold)}.faq-answer[data-astro-cid-mnckl4op]{margin-top:10px;font-size:.95rem;line-height:1.6;color:#4a5568}.related-tools-grid[data-astro-cid-mnckl4op]{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.related-card[data-astro-cid-mnckl4op]{padding:18px;text-decoration:none;color:inherit;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}.related-card[data-astro-cid-mnckl4op]:hover:not(.card-disabled){transform:translateY(-2px);box-shadow:0 4px 12px #00000014}.card-disabled[data-astro-cid-mnckl4op]{opacity:.65;cursor:not-allowed}.related-badge[data-astro-cid-mnckl4op]{align-self:flex-start;font-size:.72rem;font-weight:700;padding:2px 8px;border-radius:4px;margin-bottom:8px}.related-card[data-astro-cid-mnckl4op] h4[data-astro-cid-mnckl4op]{margin:0 0 6px;color:var(--color-navy)}.related-card[data-astro-cid-mnckl4op] p[data-astro-cid-mnckl4op]{margin:0;font-size:.85rem;color:#4a5568;line-height:1.5}