.primer[data-astro-cid-etcs2c3q]{margin-bottom:3.25rem;padding-bottom:3rem;border-bottom:1px solid var(--border)}.primer-head[data-astro-cid-etcs2c3q]{max-width:700px;margin-bottom:1.4rem}.primer-head[data-astro-cid-etcs2c3q] h2[data-astro-cid-etcs2c3q]{margin:.45rem 0 0}.primer-head[data-astro-cid-etcs2c3q] p[data-astro-cid-etcs2c3q]{margin:.75rem 0 0;font-size:1.02rem}.concept-grid[data-astro-cid-etcs2c3q]{display:grid;grid-template-columns:repeat(4,1fr);gap:.75rem}.concept-card[data-astro-cid-etcs2c3q]{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);padding:1rem}.concept-number[data-astro-cid-etcs2c3q],.mini-label[data-astro-cid-etcs2c3q]{color:var(--accent);font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.concept-card[data-astro-cid-etcs2c3q] h3[data-astro-cid-etcs2c3q]{margin:.4rem 0 0;font-size:1rem}.concept-card[data-astro-cid-etcs2c3q] p[data-astro-cid-etcs2c3q]{margin:.45rem 0 0;font-size:.84rem;line-height:1.5}.mental-model[data-astro-cid-etcs2c3q]{margin-top:1rem;padding:1.25rem}.mental-model[data-astro-cid-etcs2c3q] h3[data-astro-cid-etcs2c3q],.lesson[data-astro-cid-etcs2c3q] h3[data-astro-cid-etcs2c3q],.visual-card[data-astro-cid-etcs2c3q] h3[data-astro-cid-etcs2c3q]{margin:.35rem 0 0}.mental-model[data-astro-cid-etcs2c3q] p[data-astro-cid-etcs2c3q]{margin:.55rem 0 1rem}.model-flow[data-astro-cid-etcs2c3q]{display:flex;align-items:center;gap:.5rem;overflow-x:auto;padding-bottom:.2rem}.flow-node[data-astro-cid-etcs2c3q]{flex:0 0 auto;border:1px solid var(--border-strong);background:var(--surface-2);border-radius:999px;padding:.45rem .75rem;font-size:.8rem;font-weight:650}.flow-node[data-astro-cid-etcs2c3q].active{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 35%,var(--border));color:var(--accent)}.flow-node[data-astro-cid-etcs2c3q].thread{border-style:dashed}.flow-arrow[data-astro-cid-etcs2c3q]{color:var(--ink-faint)}.lesson[data-astro-cid-etcs2c3q]{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(290px,.95fr);gap:1.25rem;margin-top:1rem;padding:1.25rem}.lesson-copy[data-astro-cid-etcs2c3q]>p[data-astro-cid-etcs2c3q]{margin:.55rem 0 0}.lesson[data-astro-cid-etcs2c3q] pre[data-astro-cid-etcs2c3q],.visual-card[data-astro-cid-etcs2c3q] pre[data-astro-cid-etcs2c3q]{background:var(--surface-2);margin:1rem 0 0;font-size:.78rem}.execution-panel[data-astro-cid-etcs2c3q],.timeline-panel[data-astro-cid-etcs2c3q]{border:1px solid var(--border);background:var(--surface-2);border-radius:var(--radius);padding:1rem;align-self:stretch}.panel-title[data-astro-cid-etcs2c3q]{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding-bottom:.75rem;border-bottom:1px solid var(--border);color:var(--ink);font-size:.82rem;font-weight:700}.status-dot[data-astro-cid-etcs2c3q]{color:var(--ink-faint);font-size:.7rem;font-weight:600}.status-dot[data-astro-cid-etcs2c3q]:before{content:"";display:inline-block;width:6px;height:6px;margin-right:.35rem;border-radius:50%;background:var(--accent-bright)}.execution-list[data-astro-cid-etcs2c3q]{list-style:none;margin:.8rem 0;padding:0;display:grid;gap:.45rem}.execution-list[data-astro-cid-etcs2c3q] li[data-astro-cid-etcs2c3q]{display:grid;grid-template-columns:54px 1fr auto;align-items:center;gap:.55rem;font-size:.76rem}.execution-list[data-astro-cid-etcs2c3q] small[data-astro-cid-etcs2c3q]{color:var(--ink-faint)}.step[data-astro-cid-etcs2c3q]{padding:.15rem .35rem;border-radius:4px;text-align:center;font-size:.65rem;font-weight:700}.step[data-astro-cid-etcs2c3q].parent{background:var(--accent-soft);color:var(--accent)}.step[data-astro-cid-etcs2c3q].child{background:var(--surface-3);color:var(--ink-soft)}.output-box[data-astro-cid-etcs2c3q]{display:flex;flex-direction:column;gap:.2rem;border-top:1px solid var(--border);padding-top:.75rem}.output-box[data-astro-cid-etcs2c3q] span[data-astro-cid-etcs2c3q]{color:var(--ink-faint);font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em}.output-box[data-astro-cid-etcs2c3q] code[data-astro-cid-etcs2c3q]{color:var(--accent);font-weight:700}.note[data-astro-cid-etcs2c3q]{color:var(--ink-faint)!important;font-size:.78rem}.time-scale[data-astro-cid-etcs2c3q]{display:flex;justify-content:space-between;margin:.8rem 0 .5rem 58px;color:var(--ink-faint);font-size:.65rem}.timeline[data-astro-cid-etcs2c3q]{display:grid;grid-template-columns:48px 1fr;gap:.65rem .6rem;align-items:center}.track-label[data-astro-cid-etcs2c3q]{color:var(--ink-faint);font-size:.7rem;font-weight:650}.track[data-astro-cid-etcs2c3q]{position:relative;height:28px;border-radius:6px;background:transparent;border-inline:1px solid var(--border)}.track[data-astro-cid-etcs2c3q]:before{content:"";position:absolute;top:0;bottom:0;left:50%;width:1px;background:var(--border)}.event[data-astro-cid-etcs2c3q]{position:absolute;top:4px;z-index:2;border-radius:4px;padding:.15rem .35rem;font:700 .65rem var(--font-mono)}.event[data-astro-cid-etcs2c3q].start{left:2px}.event[data-astro-cid-etcs2c3q].middle{left:50%;transform:translate(-50%)}.event[data-astro-cid-etcs2c3q].end{right:2px}.parent-event[data-astro-cid-etcs2c3q]{background:var(--accent-soft);color:var(--accent)}.child-a[data-astro-cid-etcs2c3q]{background:#dfe9ff;color:#315aa8}.child-b[data-astro-cid-etcs2c3q]{background:#f3e5ff;color:#7a3da1}:root[data-theme=dark] .child-a[data-astro-cid-etcs2c3q]{background:#18243a;color:#91b6ff}:root[data-theme=dark] .child-b[data-astro-cid-etcs2c3q]{background:#2b1c36;color:#d3a5ef}.wait[data-astro-cid-etcs2c3q]{position:absolute;top:13px;height:2px;border-top:2px dotted var(--border-strong);color:transparent}.parent-wait[data-astro-cid-etcs2c3q]{left:20%;right:15%}.first-wait[data-astro-cid-etcs2c3q]{left:15%;right:15%}.second-wait[data-astro-cid-etcs2c3q]{left:15%;width:35%}.timeline-panel[data-astro-cid-etcs2c3q] .output-box[data-astro-cid-etcs2c3q]{margin-top:1rem}.visual-grid[data-astro-cid-etcs2c3q]{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:1rem}.visual-card[data-astro-cid-etcs2c3q]{padding:1.25rem}.visual-card[data-astro-cid-etcs2c3q]>p[data-astro-cid-etcs2c3q]{margin:1rem 0 0;font-size:.88rem}.job-tree[data-astro-cid-etcs2c3q]{margin-top:1rem;display:flex;flex-direction:column;align-items:center}.tree-node[data-astro-cid-etcs2c3q]{display:flex;flex-direction:column;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface-2);padding:.6rem .8rem;text-align:center;min-width:125px}.tree-node[data-astro-cid-etcs2c3q] small[data-astro-cid-etcs2c3q]{color:var(--ink-faint);font-size:.65rem}.tree-node[data-astro-cid-etcs2c3q] strong[data-astro-cid-etcs2c3q]{color:var(--ink);font-size:.78rem}.root-node[data-astro-cid-etcs2c3q]{background:var(--accent-soft);border-color:var(--accent)}.tree-branch[data-astro-cid-etcs2c3q]{width:55%;height:22px;border-left:1px solid var(--border-strong);border-right:1px solid var(--border-strong);border-top:1px solid var(--border-strong);transform:translateY(21px)}.tree-children[data-astro-cid-etcs2c3q]{display:flex;gap:1rem;width:100%;justify-content:space-between}.pipeline[data-astro-cid-etcs2c3q]{display:flex;align-items:center;gap:.35rem;margin-top:1rem;overflow-x:auto;padding-bottom:.3rem}.pipeline[data-astro-cid-etcs2c3q]>div[data-astro-cid-etcs2c3q]{flex:0 0 auto;display:flex;flex-direction:column;gap:.15rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-2);padding:.5rem .6rem}.pipeline[data-astro-cid-etcs2c3q] span[data-astro-cid-etcs2c3q]{color:var(--ink-faint);font-size:.65rem}.pipeline[data-astro-cid-etcs2c3q] code[data-astro-cid-etcs2c3q]{color:var(--ink);font-size:.7rem}.pipeline[data-astro-cid-etcs2c3q] .collect-node[data-astro-cid-etcs2c3q]{border-color:var(--accent);background:var(--accent-soft)}.pipe-arrow[data-astro-cid-etcs2c3q]{color:var(--ink-faint)!important}@media(max-width:760px){.concept-grid[data-astro-cid-etcs2c3q]{grid-template-columns:repeat(2,1fr)}.lesson[data-astro-cid-etcs2c3q],.visual-grid[data-astro-cid-etcs2c3q]{grid-template-columns:1fr}}@media(max-width:430px){.concept-grid[data-astro-cid-etcs2c3q]{grid-template-columns:1fr}.lesson[data-astro-cid-etcs2c3q],.mental-model[data-astro-cid-etcs2c3q],.visual-card[data-astro-cid-etcs2c3q]{padding:1rem}.execution-list[data-astro-cid-etcs2c3q] li[data-astro-cid-etcs2c3q]{grid-template-columns:50px 1fr}.execution-list[data-astro-cid-etcs2c3q] small[data-astro-cid-etcs2c3q]{grid-column:2}}.qitem[data-astro-cid-nlh4ked4]{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);margin-bottom:.85rem;overflow:hidden;transition:border-color .15s ease;scroll-margin-top:90px}.qitem[data-astro-cid-nlh4ked4][open]{border-color:var(--border-strong)}.qitem[data-astro-cid-nlh4ked4]:hover{border-color:var(--accent)}.qitem[data-astro-cid-nlh4ked4].is-done{border-color:var(--accent);background:color-mix(in srgb,var(--accent-soft) 55%,var(--surface))}.qitem[data-astro-cid-nlh4ked4].is-done .q-text[data-astro-cid-nlh4ked4]{color:var(--ink-soft)}summary[data-astro-cid-nlh4ked4]{list-style:none;cursor:pointer;padding:1.1rem 1.25rem;display:flex;flex-direction:column;gap:.6rem}summary[data-astro-cid-nlh4ked4]::-webkit-details-marker{display:none}.q-head[data-astro-cid-nlh4ked4]{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem}.q-text[data-astro-cid-nlh4ked4]{font-weight:600;font-size:1.02rem;color:var(--ink);line-height:1.45}.q-title[data-astro-cid-nlh4ked4]{display:flex;align-items:flex-start;gap:.55rem;min-width:0}.priority-star[data-astro-cid-nlh4ked4]{display:inline-flex;flex:0 0 auto;margin-top:.2rem;color:#b7791f}.priority-star[data-astro-cid-nlh4ked4] svg[data-astro-cid-nlh4ked4]{display:block;fill:currentColor}:root[data-theme=dark] .priority-star[data-astro-cid-nlh4ked4]{color:#f4bf58}.chev[data-astro-cid-nlh4ked4]{flex-shrink:0;color:var(--ink-faint);margin-top:2px;transition:transform .2s ease}.qitem[data-astro-cid-nlh4ked4][open] .chev[data-astro-cid-nlh4ked4]{transform:rotate(180deg)}.q-meta[data-astro-cid-nlh4ked4]{display:flex;align-items:center;flex-wrap:wrap;gap:.5rem}.q-topic[data-astro-cid-nlh4ked4]{font-size:.78rem;font-weight:600;color:var(--ink-soft);background:var(--surface-2);border:1px solid var(--border);border-radius:999px;padding:.18rem .6rem}.q-topic[data-astro-cid-nlh4ked4]:hover{color:var(--accent);border-color:var(--accent)}.q-tag[data-astro-cid-nlh4ked4]{font-size:.78rem;color:var(--ink-faint)}.q-save[data-astro-cid-nlh4ked4]{display:inline-flex;align-items:center;gap:.35rem;margin-left:auto;padding:.2rem .62rem;font-size:.78rem;font-weight:600;font-family:inherit;line-height:1.65;color:var(--ink-soft);background:var(--surface-2);border:1px solid var(--border);border-radius:999px;cursor:pointer;user-select:none;transition:color .15s ease,background .15s ease,border-color .15s ease}.q-save[data-astro-cid-nlh4ked4]:hover{border-color:var(--accent);color:var(--accent)}.q-save-icon[data-astro-cid-nlh4ked4]{opacity:.55;flex-shrink:0}.q-save-text-on[data-astro-cid-nlh4ked4]{display:none}.q-save[data-astro-cid-nlh4ked4].is-saved{color:var(--accent);background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 45%,var(--border))}.q-save[data-astro-cid-nlh4ked4].is-saved .q-save-icon[data-astro-cid-nlh4ked4]{opacity:1;fill:currentColor}.q-save[data-astro-cid-nlh4ked4].is-saved .q-save-text[data-astro-cid-nlh4ked4]{display:none}.q-save[data-astro-cid-nlh4ked4].is-saved .q-save-text-on[data-astro-cid-nlh4ked4]{display:inline}.q-done[data-astro-cid-nlh4ked4]{display:inline-flex;align-items:center;gap:.35rem;padding:.2rem .62rem;font-size:.78rem;font-weight:600;color:var(--ink-soft);background:var(--surface-2);border:1px solid var(--border);border-radius:999px;cursor:pointer;user-select:none;transition:color .15s ease,background .15s ease,border-color .15s ease}.q-done[data-astro-cid-nlh4ked4]:hover{border-color:var(--accent);color:var(--accent)}.q-done-input[data-astro-cid-nlh4ked4]{position:absolute;opacity:0;width:1px;height:1px;margin:0}.q-done-check[data-astro-cid-nlh4ked4]{opacity:.45;flex-shrink:0}.q-done-text-on[data-astro-cid-nlh4ked4]{display:none}.q-done-input[data-astro-cid-nlh4ked4]:focus-visible+.q-done-check[data-astro-cid-nlh4ked4]{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}.q-done[data-astro-cid-nlh4ked4]:has(.q-done-input:checked){color:var(--on-accent);background:var(--accent);border-color:var(--accent)}.q-done[data-astro-cid-nlh4ked4]:has(.q-done-input:checked):hover{color:var(--on-accent);background:var(--accent-hover)}.q-done[data-astro-cid-nlh4ked4]:has(.q-done-input:checked) .q-done-check[data-astro-cid-nlh4ked4]{opacity:1}.q-done[data-astro-cid-nlh4ked4]:has(.q-done-input:checked) .q-done-text[data-astro-cid-nlh4ked4]{display:none}.q-done[data-astro-cid-nlh4ked4]:has(.q-done-input:checked) .q-done-text-on[data-astro-cid-nlh4ked4]{display:inline}.q-answer[data-astro-cid-nlh4ked4]{padding:.25rem 1.25rem 1.35rem;border-top:1px solid var(--border);margin-top:-.2rem}.q-answer[data-astro-cid-nlh4ked4] p:first-child{margin-top:.9rem}.q-answer[data-astro-cid-nlh4ked4] p,.q-answer[data-astro-cid-nlh4ked4] li{color:var(--ink-soft)}.q-answer[data-astro-cid-nlh4ked4] pre{margin:1rem 0}.advanced-note[data-astro-cid-nlh4ked4]{padding:.75rem .85rem;border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:.9rem}.page-head[data-astro-cid-4zm7ujt6]{padding-block:clamp(2rem,5vw,3rem) 1.5rem;border-bottom:1px solid var(--border)}.back[data-astro-cid-4zm7ujt6]{font-size:.88rem;font-weight:600;color:var(--ink-soft)}.back[data-astro-cid-4zm7ujt6]:hover{color:var(--accent)}.t-head[data-astro-cid-4zm7ujt6]{display:flex;align-items:center;gap:1rem;margin-top:1rem}.t-head[data-astro-cid-4zm7ujt6] h1[data-astro-cid-4zm7ujt6]{margin:.15rem 0 0}.page-head[data-astro-cid-4zm7ujt6] .lede[data-astro-cid-4zm7ujt6]{margin:1rem 0 0;max-width:640px;font-size:1.05rem}.t-counts[data-astro-cid-4zm7ujt6]{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.2rem}.t-progress[data-astro-cid-4zm7ujt6]{margin-top:1.4rem;max-width:640px}.count-pill[data-astro-cid-4zm7ujt6]{font-size:.8rem;font-weight:600;color:var(--ink-soft);background:var(--surface-2);border:1px solid var(--border);border-radius:999px;padding:.25rem .7rem}.priority-count[data-astro-cid-4zm7ujt6],.star-legend[data-astro-cid-4zm7ujt6] span[data-astro-cid-4zm7ujt6]{color:#9a6700}.star-legend[data-astro-cid-4zm7ujt6]{margin:0 0 1.2rem;color:var(--ink-soft);font-size:.86rem}.star-legend[data-astro-cid-4zm7ujt6] span[data-astro-cid-4zm7ujt6]{margin-right:.3rem}:root[data-theme=dark] .priority-count[data-astro-cid-4zm7ujt6],:root[data-theme=dark] .star-legend[data-astro-cid-4zm7ujt6] span[data-astro-cid-4zm7ujt6]{color:#f4bf58}.topic-body[data-astro-cid-4zm7ujt6]{padding-block:2.2rem 1rem;max-width:860px}.overview[data-astro-cid-4zm7ujt6]{margin-bottom:2.2rem;padding-bottom:1.8rem;border-bottom:1px solid var(--border)}.q-list[data-astro-cid-4zm7ujt6]{margin-top:.5rem}.level-group[data-astro-cid-4zm7ujt6]+.level-group[data-astro-cid-4zm7ujt6]{margin-top:2.75rem}.level-head[data-astro-cid-4zm7ujt6]{margin-bottom:1rem}.level-head[data-astro-cid-4zm7ujt6] h2[data-astro-cid-4zm7ujt6]{margin:0;font-size:1.35rem}.level-head[data-astro-cid-4zm7ujt6] p[data-astro-cid-4zm7ujt6]{color:var(--ink-soft);margin:.3rem 0 0;font-size:.93rem}.concept-section[data-astro-cid-4zm7ujt6]+.concept-section[data-astro-cid-4zm7ujt6]{margin-top:1.6rem}.concept-section[data-astro-cid-4zm7ujt6]>h3[data-astro-cid-4zm7ujt6]{margin:0 0 .65rem;color:var(--ink-soft);font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.empty[data-astro-cid-4zm7ujt6]{padding:2.5rem 2rem;text-align:center}.empty[data-astro-cid-4zm7ujt6] h3[data-astro-cid-4zm7ujt6]{margin:0 0 .5rem}.empty[data-astro-cid-4zm7ujt6] p[data-astro-cid-4zm7ujt6]{margin:0 auto 1.4rem;max-width:440px}