.lesson-ti[data-astro-cid-g7k6r4pt] .scroll-section[data-astro-cid-g7k6r4pt]{scroll-margin-top:100px}#lesson-nav[data-astro-cid-g7k6r4pt]{position:sticky;top:64px;z-index:20;background:var(--paper);border-bottom:1px solid var(--rule);margin:0 -48px 40px;padding:0 48px}#lesson-nav-inner[data-astro-cid-g7k6r4pt]{display:flex;align-items:center;gap:4px;padding:10px 0;overflow-x:auto;scrollbar-width:none}#lesson-nav-inner[data-astro-cid-g7k6r4pt]::-webkit-scrollbar{display:none}.nav-dot[data-astro-cid-g7k6r4pt]{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;font-size:12px;font-family:var(--mono);color:var(--ink-3);background:none;border:none;cursor:pointer;white-space:nowrap;transition:color .15s ease}.nav-dot[data-astro-cid-g7k6r4pt]:hover{color:var(--ink)}.nav-dot[data-astro-cid-g7k6r4pt].active{color:var(--prism-ai)}.nav-dot[data-astro-cid-g7k6r4pt] .dot-num[data-astro-cid-g7k6r4pt]{width:20px;height:20px;border-radius:50%;background:var(--rule);display:inline-flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:var(--ink-3);flex-shrink:0;transition:background .15s ease,color .15s ease}.nav-dot[data-astro-cid-g7k6r4pt].active .dot-num[data-astro-cid-g7k6r4pt]{background:var(--prism-ai);color:var(--paper)}.nav-sep[data-astro-cid-g7k6r4pt]{width:12px;height:1px;background:var(--rule);flex-shrink:0}.eyebrow[data-astro-cid-g7k6r4pt]{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-bottom:8px;display:block}.lesson-h2[data-astro-cid-g7k6r4pt]{font-family:var(--thai);font-weight:600;font-size:clamp(22px,3vw,32px);line-height:1.3;letter-spacing:-.01em;margin:0 0 16px;color:var(--ink)}.lesson-body[data-astro-cid-g7k6r4pt]{font-family:var(--thai);font-size:16px;line-height:1.8;color:var(--ink-2);max-width:680px}.lesson-body[data-astro-cid-g7k6r4pt] p[data-astro-cid-g7k6r4pt]{margin:0 0 14px}.phase-grid[data-astro-cid-g7k6r4pt]{display:grid;grid-template-columns:1fr 1px 1fr;gap:0;border:1px solid var(--rule);margin-top:24px}.phase-panel[data-astro-cid-g7k6r4pt]{padding:24px;transition:opacity .2s ease,background .2s ease}.phase-panel[data-astro-cid-g7k6r4pt].active{background:color-mix(in srgb,var(--prism-ai) 6%,var(--paper))}.phase-panel[data-astro-cid-g7k6r4pt].dimmed{opacity:.4}.phase-divider[data-astro-cid-g7k6r4pt]{background:var(--rule)}.compare-table[data-astro-cid-g7k6r4pt]{width:100%;border-collapse:collapse;border:1px solid var(--rule);font-size:14px;margin-top:20px}.compare-table[data-astro-cid-g7k6r4pt] th[data-astro-cid-g7k6r4pt],.compare-table[data-astro-cid-g7k6r4pt] td[data-astro-cid-g7k6r4pt]{padding:12px 16px;border-bottom:1px solid var(--rule);border-right:1px solid var(--rule);text-align:left}.compare-table[data-astro-cid-g7k6r4pt] th[data-astro-cid-g7k6r4pt]:last-child,.compare-table[data-astro-cid-g7k6r4pt] td[data-astro-cid-g7k6r4pt]:last-child{border-right:none}.compare-table[data-astro-cid-g7k6r4pt] tr[data-astro-cid-g7k6r4pt]:last-child td[data-astro-cid-g7k6r4pt]{border-bottom:none}.compare-table[data-astro-cid-g7k6r4pt] thead[data-astro-cid-g7k6r4pt] th[data-astro-cid-g7k6r4pt]{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);background:var(--paper-2)}.compare-table[data-astro-cid-g7k6r4pt] td[data-astro-cid-g7k6r4pt]:first-child{font-family:var(--mono);font-size:12px;color:var(--ink-3);white-space:nowrap}.example-card[data-astro-cid-g7k6r4pt]{border:1px solid var(--rule);padding:20px 24px;margin-bottom:12px}.example-card[data-astro-cid-g7k6r4pt] h4[data-astro-cid-g7k6r4pt]{font-family:var(--thai);font-weight:600;font-size:16px;margin:0 0 12px;color:var(--ink)}.example-row[data-astro-cid-g7k6r4pt]{display:grid;grid-template-columns:1fr 1fr;gap:12px}.example-phase[data-astro-cid-g7k6r4pt]{padding:12px 14px;background:var(--paper-2);border:1px solid var(--rule-2)}.example-phase-label[data-astro-cid-g7k6r4pt]{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px;display:block}.example-phase-label[data-astro-cid-g7k6r4pt].train{color:var(--prism-ai)}.example-phase-label[data-astro-cid-g7k6r4pt].infer{color:var(--ink-3)}.example-phase[data-astro-cid-g7k6r4pt] p[data-astro-cid-g7k6r4pt]{font-family:var(--thai);font-size:14px;line-height:1.6;color:var(--ink-2);margin:0}details[data-astro-cid-g7k6r4pt]{border:1px solid var(--rule);padding:16px 20px;margin-bottom:8px}details[data-astro-cid-g7k6r4pt][open]{background:var(--paper-2)}summary[data-astro-cid-g7k6r4pt]{font-family:var(--thai);font-weight:600;font-size:15px;color:var(--ink);cursor:pointer;list-style:none;display:flex;align-items:flex-start;gap:10px}summary[data-astro-cid-g7k6r4pt]::-webkit-details-marker{display:none}.myth-wrong[data-astro-cid-g7k6r4pt]{color:var(--prism-hw);font-weight:700;flex-shrink:0}.myth-body[data-astro-cid-g7k6r4pt]{margin-top:12px;padding-top:12px;border-top:1px solid var(--rule-2);font-family:var(--thai);font-size:14.5px;line-height:1.7;color:var(--ink-2)}.vocab-grid[data-astro-cid-g7k6r4pt]{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.vocab-chip[data-astro-cid-g7k6r4pt]{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border:1px solid var(--rule);background:var(--paper);color:var(--ink-2);font-size:13px;cursor:pointer;transition:border-color .15s ease,color .15s ease;font-family:var(--thai)}.vocab-chip[data-astro-cid-g7k6r4pt]:hover,.vocab-chip[data-astro-cid-g7k6r4pt][aria-expanded=true]{border-color:var(--prism-ai);color:var(--ink)}.vocab-def[data-astro-cid-g7k6r4pt]{display:none;border:1px solid var(--prism-ai);border-top:none;padding:16px 20px;background:color-mix(in srgb,var(--prism-ai) 5%,var(--paper))}.vocab-def[data-astro-cid-g7k6r4pt].visible{display:block}.vocab-def-term[data-astro-cid-g7k6r4pt]{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--prism-ai);margin-bottom:6px;display:block}.vocab-def-body[data-astro-cid-g7k6r4pt]{font-family:var(--thai);font-size:14.5px;line-height:1.7;color:var(--ink-2)}.quiz-block[data-astro-cid-g7k6r4pt]{margin-bottom:28px}.quiz-q[data-astro-cid-g7k6r4pt]{font-family:var(--thai);font-weight:600;font-size:15px;color:var(--ink);margin-bottom:10px}.quiz-option[data-astro-cid-g7k6r4pt]{display:flex;align-items:flex-start;gap:10px;padding:11px 16px;border:1px solid var(--rule);margin-bottom:6px;cursor:pointer;transition:border-color .15s ease,background .15s ease;background:var(--paper);font-family:var(--thai);font-size:14px;color:var(--ink-2);width:100%;text-align:left}.quiz-option[data-astro-cid-g7k6r4pt]:hover{border-color:var(--ink-2)}.quiz-option[data-astro-cid-g7k6r4pt].correct{border-color:var(--prism-dev);background:color-mix(in srgb,var(--prism-dev) 6%,var(--paper));color:var(--ink)}.quiz-option[data-astro-cid-g7k6r4pt].wrong{border-color:var(--prism-hw);background:color-mix(in srgb,var(--prism-hw) 6%,var(--paper));color:var(--ink)}.quiz-radio[data-astro-cid-g7k6r4pt]{flex-shrink:0;margin-top:2px}.quiz-explanation[data-astro-cid-g7k6r4pt]{display:none;margin-top:8px;padding:10px 14px;border-left:2px solid var(--prism-ai);font-family:var(--thai);font-size:13.5px;line-height:1.6;color:var(--ink-2);background:var(--paper-2)}.quiz-explanation[data-astro-cid-g7k6r4pt].visible{display:block}#quiz-score[data-astro-cid-g7k6r4pt]{display:none;padding:16px 20px;border:1px solid var(--prism-ai);background:color-mix(in srgb,var(--prism-ai) 6%,var(--paper));font-family:var(--thai);font-size:15px;color:var(--ink);margin-top:16px}#quiz-score[data-astro-cid-g7k6r4pt].visible{display:block}.phase-toggle-btn[data-astro-cid-g7k6r4pt]{padding:8px 18px;border:1px solid var(--rule);background:var(--paper);color:var(--ink-2);font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;transition:all .15s ease;margin-right:8px}.phase-toggle-btn[data-astro-cid-g7k6r4pt].active{background:var(--prism-ai);border-color:var(--prism-ai);color:var(--paper)}.myth-toggle-row[data-astro-cid-g7k6r4pt]{display:flex;align-items:center;gap:14px;margin-top:24px;padding:16px 20px;border:1px solid var(--rule);background:var(--paper-2)}.toggle-switch[data-astro-cid-g7k6r4pt]{width:40px;height:22px;border:1px solid var(--rule);background:var(--paper);cursor:pointer;position:relative;flex-shrink:0;transition:background .2s ease}.toggle-switch[data-astro-cid-g7k6r4pt].on{background:var(--prism-ai);border-color:var(--prism-ai)}.toggle-knob[data-astro-cid-g7k6r4pt]{position:absolute;top:2px;left:2px;width:16px;height:16px;background:var(--ink-3);transition:transform .2s ease,background .2s ease}.toggle-switch[data-astro-cid-g7k6r4pt].on .toggle-knob[data-astro-cid-g7k6r4pt]{transform:translate(18px);background:var(--paper)}.myth-answer[data-astro-cid-g7k6r4pt]{display:none;margin-top:10px;font-family:var(--thai);font-size:14px;line-height:1.7;color:var(--ink-2);padding:10px 14px;border-left:2px solid var(--prism-ai);background:color-mix(in srgb,var(--prism-ai) 5%,var(--paper))}.myth-answer[data-astro-cid-g7k6r4pt].visible{display:block}.nav-links-lesson[data-astro-cid-g7k6r4pt]{display:flex;gap:24px;flex-wrap:wrap;margin-top:8px}.nav-link-lesson[data-astro-cid-g7k6r4pt]{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--prism-ai);text-decoration:none;border-bottom:1px solid var(--prism-ai);padding-bottom:2px;transition:opacity .15s ease}.nav-link-lesson[data-astro-cid-g7k6r4pt]:hover{opacity:.75}.nav-link-lesson[data-astro-cid-g7k6r4pt].prev{color:var(--ink-3);border-color:var(--ink-3)}.note-text[data-astro-cid-g7k6r4pt]{font-family:var(--mono);font-size:11px;color:var(--ink-3);letter-spacing:.04em;margin-top:6px;display:block}.breadcrumb[data-astro-cid-g7k6r4pt]{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin-bottom:20px;display:flex;align-items:center;gap:8px}.breadcrumb[data-astro-cid-g7k6r4pt] a[data-astro-cid-g7k6r4pt]{color:var(--ink-3);text-decoration:none}.breadcrumb[data-astro-cid-g7k6r4pt] a[data-astro-cid-g7k6r4pt]:hover{color:var(--ink)}.summary-bullets[data-astro-cid-g7k6r4pt]{list-style:none;padding:0;margin:16px 0 0}.summary-bullets[data-astro-cid-g7k6r4pt] li[data-astro-cid-g7k6r4pt]{display:flex;gap:10px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--rule-2);font-family:var(--thai);font-size:15px;line-height:1.6;color:var(--ink-2)}.summary-bullets[data-astro-cid-g7k6r4pt] li[data-astro-cid-g7k6r4pt]:last-child{border-bottom:none}.bullet-num[data-astro-cid-g7k6r4pt]{font-family:var(--mono);font-size:10px;font-weight:700;color:var(--prism-ai);background:color-mix(in srgb,var(--prism-ai) 12%,var(--paper));border:1px solid color-mix(in srgb,var(--prism-ai) 30%,var(--rule));width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}.weights-indicator[data-astro-cid-g7k6r4pt]{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border:1px solid var(--rule);font-family:var(--mono);font-size:11px;letter-spacing:.04em;margin-top:12px}@media(max-width:900px){#lesson-nav[data-astro-cid-g7k6r4pt]{margin:0 -20px 32px;padding:0 20px}.phase-grid[data-astro-cid-g7k6r4pt]{grid-template-columns:1fr}.phase-divider[data-astro-cid-g7k6r4pt]{display:none}.example-row[data-astro-cid-g7k6r4pt]{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){.phase-panel[data-astro-cid-g7k6r4pt],.vocab-chip[data-astro-cid-g7k6r4pt],.quiz-option[data-astro-cid-g7k6r4pt],.toggle-knob[data-astro-cid-g7k6r4pt],.toggle-switch[data-astro-cid-g7k6r4pt]{transition:none}}