.ch__filters{flex-wrap:wrap;gap:10px;margin:24px 0;display:flex}.ch__filter{font-family:var(--font-pixel), monospace;border:2px solid var(--ink);box-shadow:3px 3px 0 var(--shadow);text-transform:capitalize;background:#fffefc;align-items:center;gap:8px;padding:8px 16px;font-size:12px;display:inline-flex}.ch__filter.on{background:var(--accent);color:var(--accent-ink)}.ch__count{background:var(--ink);color:#fff;padding:1px 6px;font-size:10px}.ch__grid{grid-template-columns:repeat(2,1fr);gap:22px;display:grid}@media (max-width:880px){.ch__grid{grid-template-columns:1fr}}.ch__card{flex-direction:column;gap:10px;padding:22px;display:flex}.ch__head{align-items:center;gap:10px;display:flex}.ch__num{font-family:var(--font-pixel), monospace;color:var(--ink-soft);font-size:13px}.ch__badge{font-family:var(--font-pixel), monospace;border:1px solid var(--ink);text-transform:uppercase;padding:2px 8px;font-size:10px}.ch__badge--beginner{background:#2fbf712e}.ch__badge--intermediate{background:#ffc8574d}.ch__badge--advanced{background:#ff5c1a2e}.ch__cat{color:var(--ink-soft);margin-left:auto;font-size:12px}.ch__card h3{font-size:18px}.ch__objective{color:var(--ink);font-size:14.5px;font-style:italic}.ch__learns{color:var(--ink-soft);font-size:13.5px}.ch__cmd{background:var(--terminal-bg);color:var(--terminal-ink);justify-content:space-between;align-items:flex-start;gap:10px;padding:12px 14px;display:flex}.ch__cmd code{word-break:break-all;font-size:12px;line-height:1.6}.ch__meta{gap:16px;font-size:13px;display:flex}.ch__meta a{color:var(--accent-deep)}.ch__hints-toggle{color:var(--ink-soft);background:0 0;border:none;padding:0;font-size:13px;-webkit-text-decoration:underline dotted;text-decoration:underline dotted}.ch__hints{background:var(--bg-soft);border-left:3px solid var(--accent);padding:12px 16px;font-size:13.5px}.ch__hints ul{flex-direction:column;gap:4px;padding-left:18px;display:flex}.ch__expected{color:var(--ink-soft);margin-top:8px}