.tools-showcase-section[data-astro-cid-sa4dn3q4]{margin:56px 0 24px;padding-top:32px;border-top:1px solid var(--border-subtle, rgba(255, 255, 255, .08))}.tools-showcase-grid[data-astro-cid-sa4dn3q4]{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:24px}.tool-showcase-card[data-astro-cid-sa4dn3q4]{background:var(--bg-card, #1a1a2e);border:1px solid var(--border-subtle, rgba(255, 255, 255, .08));border-radius:var(--radius-lg, 16px);padding:24px 20px;text-decoration:none;color:var(--text-primary, #f1f1f7);transition:transform var(--transition-normal, .25s ease),border-color var(--transition-normal, .25s ease),box-shadow var(--transition-normal, .25s ease);display:flex;flex-direction:column;gap:10px;position:relative;overflow:hidden}.tool-showcase-card[data-astro-cid-sa4dn3q4]:hover{border-color:#8b5cf659;transform:translateY(-4px);box-shadow:0 12px 30px -8px #00000080,0 0 20px #8b5cf61f;text-decoration:none}.tool-icon-wrapper[data-astro-cid-sa4dn3q4]{width:48px;height:48px;border-radius:var(--radius-md, 12px);display:flex;align-items:center;justify-content:center;flex-shrink:0}.tool-icon-wrapper[data-astro-cid-sa4dn3q4].violet{background:#8b5cf61f;color:var(--accent-violet-light, #a78bfa)}.tool-icon-wrapper[data-astro-cid-sa4dn3q4].emerald{background:#10b9811f;color:var(--accent-emerald, #34d399)}.tool-icon-wrapper[data-astro-cid-sa4dn3q4].blue{background:#3b82f61f;color:var(--accent-blue, #60a5fa)}.tool-icon-wrapper[data-astro-cid-sa4dn3q4].cyan{background:#06b6d41f;color:var(--accent-cyan, #22d3ee)}.tool-icon-wrapper[data-astro-cid-sa4dn3q4].amber{background:#f59e0b1f;color:var(--accent-amber, #fbbf24)}.tool-icon-wrapper[data-astro-cid-sa4dn3q4].rose{background:#ec48991f;color:var(--accent-pink, #f472b6)}.tool-card-title[data-astro-cid-sa4dn3q4]{font-size:15px;font-weight:700;color:var(--text-primary, #ffffff);margin:4px 0 0;line-height:1.35;letter-spacing:-.2px}@media(max-width:1024px){.tools-showcase-grid[data-astro-cid-sa4dn3q4]{grid-template-columns:repeat(2,1fr);gap:14px}}@media(max-width:580px){.tools-showcase-grid[data-astro-cid-sa4dn3q4]{grid-template-columns:1fr}.tool-showcase-card[data-astro-cid-sa4dn3q4]{padding:20px 18px}}.hero[data-astro-cid-aeeeqter] p[data-astro-cid-aeeeqter]+p[data-astro-cid-aeeeqter]{margin-top:12px}.calc-intro[data-astro-cid-aeeeqter]{text-align:center;max-width:640px;margin:0 auto 24px}.calc-intro[data-astro-cid-aeeeqter] h2[data-astro-cid-aeeeqter]{font-size:clamp(20px,3vw,26px);font-weight:800;letter-spacing:-.5px;margin-bottom:8px}.calc-intro[data-astro-cid-aeeeqter] p[data-astro-cid-aeeeqter]{font-size:15px;color:var(--text-secondary);line-height:1.7}.calc-tips[data-astro-cid-aeeeqter]{margin-top:12px;text-align:left;font-size:14px;color:var(--text-secondary)}.calc-tips[data-astro-cid-aeeeqter] summary[data-astro-cid-aeeeqter]{cursor:pointer;text-align:center;font-weight:600;color:var(--accent-violet-light)}.calc-tips[data-astro-cid-aeeeqter] ul[data-astro-cid-aeeeqter]{margin:10px 0 0;padding-left:20px;line-height:1.7}.page-toc[data-astro-cid-aeeeqter]{margin:64px 0 -32px;padding:24px 28px;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg)}.page-toc-title[data-astro-cid-aeeeqter]{font-weight:700;margin-bottom:8px}.page-toc[data-astro-cid-aeeeqter] ol[data-astro-cid-aeeeqter]{margin:0;padding-left:20px;columns:2 260px;line-height:1.9;font-size:15px}.page-toc[data-astro-cid-aeeeqter] a[data-astro-cid-aeeeqter]{color:var(--text-secondary)}.page-toc[data-astro-cid-aeeeqter] a[data-astro-cid-aeeeqter]:hover{color:var(--accent-violet-light)}.foil-overview-card[data-astro-cid-aeeeqter] .table-wrap{overflow-x:auto;margin:0 0 16px;position:relative}.foil-overview-card[data-astro-cid-aeeeqter] table{width:100%;border-collapse:collapse;font-size:14px;color:var(--text-secondary)}.foil-overview-card[data-astro-cid-aeeeqter] th,.foil-overview-card[data-astro-cid-aeeeqter] td{padding:10px 12px;border-bottom:1px solid var(--border-subtle);text-align:left;vertical-align:top}.foil-overview-card[data-astro-cid-aeeeqter] th{color:var(--text-primary);font-weight:700}.foil-overview-card[data-astro-cid-aeeeqter] p a,.foil-overview-card[data-astro-cid-aeeeqter] li a,.foil-overview-card[data-astro-cid-aeeeqter] td a{color:var(--accent-violet-light);text-decoration:underline}.foil-overview-card[data-astro-cid-aeeeqter] ul,.foil-overview-card[data-astro-cid-aeeeqter] ol{font-size:15px;color:var(--text-secondary);line-height:1.8;margin:0 0 16px;padding-left:24px;position:relative}.foil-overview-card[data-astro-cid-aeeeqter] li{margin-bottom:4px}.foil-overview-card[data-astro-cid-aeeeqter] h3{font-size:18px;font-weight:700;margin:28px 0 8px;position:relative}.foil-overview-card[data-astro-cid-aeeeqter] .formula-box{position:relative}.foil-overview-card[data-astro-cid-aeeeqter] .example-work{font-family:JetBrains Mono,monospace;font-size:15px;color:var(--text-primary);background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:12px 16px;overflow-wrap:anywhere}.box-grid-container[data-astro-cid-aeeeqter]{display:flex;justify-content:center;margin:24px 0}.box-grid[data-astro-cid-aeeeqter]{display:grid;grid-template-columns:80px 150px 150px;grid-template-rows:60px 100px 100px;gap:6px;font-family:JetBrains Mono,monospace}.grid-header[data-astro-cid-aeeeqter]{display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--text-secondary);font-size:18px}.grid-cell[data-astro-cid-aeeeqter]{background:var(--bg-input);border:1px dashed var(--border-subtle);border-radius:var(--radius-sm);display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:16px;transition:all var(--transition-fast);position:relative}.grid-cell[data-astro-cid-aeeeqter].cell-first{border-color:var(--foil-first);background:#8b5cf60a}.grid-cell[data-astro-cid-aeeeqter].cell-outer{border-color:var(--foil-outer);background:#3b82f60a}.grid-cell[data-astro-cid-aeeeqter].cell-inner{border-color:var(--foil-inner);background:#10b9810a}.grid-cell[data-astro-cid-aeeeqter].cell-last{border-color:var(--foil-last);background:#f59e0b0a}.grid-cell[data-astro-cid-aeeeqter] .cell-label[data-astro-cid-aeeeqter]{font-size:11px;font-weight:600;text-transform:uppercase;opacity:.6;margin-bottom:4px}.grid-cell[data-astro-cid-aeeeqter] .cell-val[data-astro-cid-aeeeqter]{font-size:18px;font-weight:700;color:var(--text-primary)}.factoring-flowchart[data-astro-cid-aeeeqter]{display:flex;flex-direction:column;align-items:center;gap:16px;padding:16px}.flowchart-step[data-astro-cid-aeeeqter]{background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:12px 24px;font-size:18px;font-family:JetBrains Mono,monospace;text-align:center;box-shadow:var(--shadow-sm);max-width:100%}.flowchart-arrow[data-astro-cid-aeeeqter]{color:var(--accent-violet-light);animation:pulse 2s ease-in-out infinite}