.ideation[data-astro-cid-puz67stk]{padding:3rem 1.5rem 4rem}.ideation[data-astro-cid-puz67stk] h1[data-astro-cid-puz67stk]{margin-bottom:12px}.accent[data-astro-cid-puz67stk]{color:#b08d00}.ideation[data-astro-cid-puz67stk] h2[data-astro-cid-puz67stk]{font-size:1.25rem;margin:3rem 0 1rem}.ideation[data-astro-cid-puz67stk] h3[data-astro-cid-puz67stk]{font-size:.95rem;font-weight:600;margin-bottom:4px}.ideation[data-astro-cid-puz67stk] p[data-astro-cid-puz67stk],.ideation[data-astro-cid-puz67stk] li[data-astro-cid-puz67stk]{font-size:.95rem;color:#444}.subtitle[data-astro-cid-puz67stk]{font-size:1rem;color:#666;margin-bottom:2rem;max-width:600px}.principles[data-astro-cid-puz67stk]{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:3rem}.principle[data-astro-cid-puz67stk]{background:#f8f7f4;border:1px solid #e8e6e0;border-radius:8px;padding:1.25rem}.principle[data-astro-cid-puz67stk] h3[data-astro-cid-puz67stk]{color:#1a1a1a;margin-bottom:.5rem}.principle[data-astro-cid-puz67stk] p[data-astro-cid-puz67stk]{font-size:.875rem;color:#555;line-height:1.6}.principle[data-astro-cid-puz67stk] strong[data-astro-cid-puz67stk]{color:#1a1a1a}hr[data-astro-cid-puz67stk]{border:none;border-top:1px solid #e8e6e0;margin:3rem 0}.step[data-astro-cid-puz67stk]{margin-bottom:2rem;padding-left:3rem;position:relative}.step-number[data-astro-cid-puz67stk]{position:absolute;left:0;top:0;width:2rem;height:2rem;border-radius:50%;background:#f8f7f4;border:1.5px solid #d0cdc4;display:flex;align-items:center;justify-content:center;font-size:.875rem;font-weight:700;color:#666}.step-label[data-astro-cid-puz67stk]{font-size:.688rem;text-transform:uppercase;letter-spacing:.08em;color:#999;margin-bottom:4px}.step[data-astro-cid-puz67stk] h3[data-astro-cid-puz67stk]{font-size:1.125rem;margin-bottom:.5rem}.step[data-astro-cid-puz67stk] p[data-astro-cid-puz67stk]{margin-bottom:.5rem}.hint[data-astro-cid-puz67stk]{font-size:.8125rem;color:#888;font-style:italic;border-left:2px solid #e0ddd4;padding-left:.75rem;margin-top:.75rem}.hint[data-astro-cid-puz67stk] strong[data-astro-cid-puz67stk]{color:#555;font-style:normal}.formula-box[data-astro-cid-puz67stk]{background:#fdfcf5;border:1px solid #e8e2c8;border-radius:6px;padding:1rem 1.25rem;font-size:.875rem;font-weight:600;color:#7a6c00;line-height:1.8;margin-top:.75rem}.formula-box[data-astro-cid-puz67stk] .dim[data-astro-cid-puz67stk]{font-weight:400;color:#999;font-size:.8125rem}.callout[data-astro-cid-puz67stk]{background:#f8f7f4;border-left:3px solid #c8b830;padding:1.25rem 1.5rem;margin:3rem 0;border-radius:0 8px 8px 0}.callout[data-astro-cid-puz67stk] p[data-astro-cid-puz67stk]{font-size:.95rem;color:#555}.callout[data-astro-cid-puz67stk] strong[data-astro-cid-puz67stk]{color:#1a1a1a}.compare[data-astro-cid-puz67stk]{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:3rem}.compare-card[data-astro-cid-puz67stk]{padding:1.25rem;border-radius:8px;border:1px solid}.compare-card[data-astro-cid-puz67stk].wrong{background:#fef5f5;border-color:#f0d0d0}.compare-card[data-astro-cid-puz67stk].right{background:#f4faf5;border-color:#c0e0c8}.compare-card[data-astro-cid-puz67stk] .tag[data-astro-cid-puz67stk]{font-size:.688rem;text-transform:uppercase;letter-spacing:.06em;font-weight:700;margin-bottom:.5rem}.compare-card[data-astro-cid-puz67stk].wrong .tag[data-astro-cid-puz67stk]{color:#c05050}.compare-card[data-astro-cid-puz67stk].right .tag[data-astro-cid-puz67stk]{color:#308040}.compare-card[data-astro-cid-puz67stk] h3[data-astro-cid-puz67stk]{font-size:.95rem;margin-bottom:.5rem}.compare-card[data-astro-cid-puz67stk].wrong h3[data-astro-cid-puz67stk]{color:#904050}.compare-card[data-astro-cid-puz67stk] p[data-astro-cid-puz67stk]{font-size:.8125rem}.worksheet[data-astro-cid-puz67stk]{background:#fafaf8;border:1px solid #e8e6e0;border-radius:10px;padding:1.75rem;margin-top:3rem}.ws-header[data-astro-cid-puz67stk]{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:1rem;margin-bottom:1.25rem}.ws-header[data-astro-cid-puz67stk] h2[data-astro-cid-puz67stk]{margin:0;font-size:1.25rem}.ws-controls[data-astro-cid-puz67stk]{display:flex;gap:1rem}.ws-controls[data-astro-cid-puz67stk] label[data-astro-cid-puz67stk]{font-size:.688rem;text-transform:uppercase;letter-spacing:.06em;color:#999;display:flex;flex-direction:column;gap:4px}.ws-controls[data-astro-cid-puz67stk] input[data-astro-cid-puz67stk]{width:4rem;padding:6px 8px;border:1px solid #d0cdc4;border-radius:4px;font-size:.95rem;font-weight:600;text-align:center;color:#1a1a1a;background:#fff}table[data-astro-cid-puz67stk]{width:100%;border-collapse:collapse;font-size:.875rem}thead th{font-size:.688rem;text-transform:uppercase;letter-spacing:.05em;color:#999;font-weight:600;text-align:left;padding:.5rem .625rem;border-bottom:1.5px solid #d0cdc4}thead th.computed-head{color:#8a7a00}tbody td{padding:.5rem .625rem;border-bottom:1px solid #eae8e2;vertical-align:top}tbody td.idx{color:#bbb;font-size:.8125rem;width:28px}tbody td textarea,tbody td input[type=text]{width:100%;border:none;background:transparent;font-family:inherit;font-size:.875rem;color:#1a1a1a;resize:none;outline:none;line-height:1.5;min-height:40px}tbody td textarea::placeholder,tbody td input::placeholder{color:#ccc}td.computed-cell{background:#fdfcf5}.computed-val{font-weight:700;font-size:.95rem;color:#7a6c00}.computed-note{font-size:.688rem;color:#bbb}.del-btn{background:none;border:none;color:#ccc;cursor:pointer;font-size:1.125rem;padding:4px 8px}.del-btn:hover{color:#c05050}.add-btn[data-astro-cid-puz67stk]{margin-top:.75rem;width:100%;background:#fff;border:1px dashed #d0cdc4;border-radius:6px;color:#999;font-size:.8125rem;padding:.75rem;cursor:pointer;font-family:inherit}.add-btn[data-astro-cid-puz67stk]:hover{border-color:#999;color:#666}.summary[data-astro-cid-puz67stk]{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.75rem;margin-top:1.25rem}.sum-card[data-astro-cid-puz67stk]{background:#fff;border:1px solid #e8e6e0;border-radius:8px;padding:1rem}.sum-label[data-astro-cid-puz67stk]{font-size:.688rem;text-transform:uppercase;letter-spacing:.05em;color:#999;margin-bottom:6px}.sum-val[data-astro-cid-puz67stk]{font-size:1.375rem;font-weight:700}.sum-sub[data-astro-cid-puz67stk]{font-size:.75rem;color:#bbb;margin-top:2px}.sum-card[data-astro-cid-puz67stk].tam .sum-val[data-astro-cid-puz67stk]{color:#1a1a1a}.sum-card[data-astro-cid-puz67stk].rev .sum-val[data-astro-cid-puz67stk]{color:#308040}.sum-card[data-astro-cid-puz67stk].val .sum-val[data-astro-cid-puz67stk]{color:#2080a0}@media(max-width:640px){.principles[data-astro-cid-puz67stk],.compare[data-astro-cid-puz67stk],.summary[data-astro-cid-puz67stk]{grid-template-columns:1fr}table[data-astro-cid-puz67stk]{font-size:.8125rem}.hide-sm{display:none}}