@keyframes course-feedback-in{0%{opacity:.55;transform:translateY(4px)}to{opacity:1;transform:none}}@keyframes course-value-change{0%{color:var(--aqua);background-color:color-mix(in srgb, var(--aqua) 16%, transparent)}to{background-color:#0000}}@keyframes course-attention{45%{background-color:color-mix(in srgb, var(--yellow) 12%, var(--surface-raised));box-shadow:0 0 0 4px color-mix(in srgb, var(--yellow) 10%, transparent)}}.nix-head[data-astro-cid-wwkcyg4r]{z-index:2;border:1px solid var(--edge);border-bottom-color:var(--line);border-radius:var(--corner-card) var(--corner-card) 0 0;margin-bottom:-1px;position:relative}.nix-head[data-astro-cid-wwkcyg4r] .glyph{color:var(--mark)}@media (width<=560px){.nix-head[data-astro-cid-wwkcyg4r]{flex-wrap:wrap}}.nix-editor[data-astro-cid-5skmludq]{flex-direction:column;gap:.5rem;margin:1.6rem 0;display:flex}.brief[data-astro-cid-5skmludq]{display:contents}.goal[data-astro-cid-5skmludq]{font-family:var(--font-friendly);color:var(--text);align-items:baseline;gap:.6rem;margin:0;font-size:1rem;font-weight:700;line-height:1.5;display:flex}.todo[data-astro-cid-5skmludq]{flex-direction:column;gap:.3rem;margin:0;padding:0;list-style:none;display:flex}.todo[data-astro-cid-5skmludq] li[data-astro-cid-5skmludq]{font-family:var(--font-mono);color:var(--text);transition:color var(--settle) var(--ease);align-items:center;gap:.5rem;font-size:.85rem;display:flex}.todo[data-astro-cid-5skmludq] li[data-astro-cid-5skmludq][hidden]{display:none}.todo[data-astro-cid-5skmludq] li[data-astro-cid-5skmludq].done{color:var(--green)}.tick[data-astro-cid-5skmludq]{border-radius:var(--corner-mark);background:var(--surface);width:1.1rem;height:1.1rem;box-shadow:inset 0 -2px 0 color-mix(in srgb, var(--bg) 40%, transparent);color:var(--bg);transition:background var(--settle) var(--ease);place-items:center;font-size:.95rem;display:inline-grid}.todo[data-astro-cid-5skmludq] li[data-astro-cid-5skmludq].done .tick[data-astro-cid-5skmludq]{background:var(--green);box-shadow:none}.tick[data-astro-cid-5skmludq] .tick-done,.todo[data-astro-cid-5skmludq] li[data-astro-cid-5skmludq].done .tick[data-astro-cid-5skmludq] .tick-todo{display:none}.todo[data-astro-cid-5skmludq] li[data-astro-cid-5skmludq].done .tick[data-astro-cid-5skmludq] .tick-done{animation:course-feedback-in var(--settle) var(--ease);display:inline}.todo[data-astro-cid-5skmludq] .label[data-astro-cid-5skmludq]{min-width:0;transition:text-decoration-color var(--settle) var(--ease);text-decoration-line:line-through;text-decoration-color:#0000;text-decoration-thickness:1.5px}.todo[data-astro-cid-5skmludq] li[data-astro-cid-5skmludq].done .label[data-astro-cid-5skmludq]{text-decoration-color:currentColor}.brief[data-astro-cid-5skmludq] code{background:0 0;padding:0}.todo[data-astro-cid-5skmludq] code[data-astro-cid-5skmludq]{color:inherit;font-size:inherit}.todo[data-astro-cid-5skmludq] li[data-astro-cid-5skmludq].done [class^=tok-]{color:inherit}.file[data-astro-cid-5skmludq]{flex-direction:column;display:flex}.file[data-astro-cid-5skmludq] .nix-head{transition:background var(--quick) var(--ease)}.nix-editor[data-astro-cid-5skmludq].dynamic-source .file[data-astro-cid-5skmludq] .nix-head{background:color-mix(in srgb, var(--yellow) 16%, var(--card-band))}.nix-editor[data-astro-cid-5skmludq].dynamic-arrived .file[data-astro-cid-5skmludq] .nix-head{animation:dynamic-arrived 1.2s var(--ease)}@keyframes dynamic-arrived{0%,35%{background:color-mix(in srgb, var(--yellow) 22%, var(--card-band))}}.chromed[data-astro-cid-5skmludq]>.stage[data-astro-cid-5skmludq]>.mount[data-astro-cid-5skmludq] .code-editor{border-top-left-radius:0;border-top-right-radius:0}.stage[data-astro-cid-5skmludq]{transition:height var(--settle) var(--ease);position:relative}.stage[data-astro-cid-5skmludq].crossing{overflow:hidden}.mount[data-astro-cid-5skmludq],.aside[data-astro-cid-5skmludq]{transition:transform var(--quick) var(--ease)}.leaving[data-astro-cid-5skmludq]{transform:translate(-104%)}.entering[data-astro-cid-5skmludq]{transition:none;transform:translate(104%)}.chromed[data-astro-cid-5skmludq] .aside[data-astro-cid-5skmludq]{padding-top:.55rem}.says[data-astro-cid-5skmludq]{border-radius:var(--corner-mark);background:color-mix(in srgb, var(--yellow) 12%, transparent);font-family:var(--font-friendly);color:var(--text-soft);margin:0 0 .6rem;padding:.5rem .7rem;font-size:.92rem;line-height:1.5}.foot[data-astro-cid-5skmludq]{justify-content:space-between;align-items:center;gap:1rem;display:flex}.tip[data-astro-cid-5skmludq]{font-family:var(--font-friendly);color:var(--yellow);background:color-mix(in srgb, var(--yellow) 12%, var(--surface));border-radius:var(--corner-chip);box-shadow:0 3px 0 color-mix(in srgb, var(--yellow) 30%, var(--bg));cursor:pointer;transition:background var(--quick) var(--ease), transform 90ms ease, box-shadow 90ms ease;border:0;flex-shrink:0;align-items:center;gap:.35rem;margin-left:auto;padding:.45rem .85rem;font-size:.8rem;font-weight:700;display:inline-flex}.tip[data-astro-cid-5skmludq]:hover{background:color-mix(in srgb, var(--yellow) 20%, var(--surface))}.tip[data-astro-cid-5skmludq]:active,.tip[data-astro-cid-5skmludq][aria-expanded=true]{box-shadow:none;transform:translateY(3px)}.tip[data-astro-cid-5skmludq] .bulb[data-astro-cid-5skmludq]{font-size:1em}.tip[data-astro-cid-5skmludq][aria-expanded=true]{color:var(--text-soft)}@media (prefers-reduced-motion:reduce){.todo[data-astro-cid-5skmludq] li[data-astro-cid-5skmludq],.tick[data-astro-cid-5skmludq],.stage[data-astro-cid-5skmludq],.mount[data-astro-cid-5skmludq],.aside[data-astro-cid-5skmludq],.file[data-astro-cid-5skmludq] .nix-head,.todo[data-astro-cid-5skmludq] .label[data-astro-cid-5skmludq]{transition:none}.todo[data-astro-cid-5skmludq] li[data-astro-cid-5skmludq].done .tick[data-astro-cid-5skmludq] .tick-done,.nix-editor[data-astro-cid-5skmludq].dynamic-arrived .file[data-astro-cid-5skmludq] .nix-head{animation:none}}@media (width<=560px){.foot[data-astro-cid-5skmludq]{flex-wrap:wrap}.tip[data-astro-cid-5skmludq]{min-height:40px;padding-inline:.8rem}}