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dt{color:var(--muted)}.ticket dd{text-align:right;font-family:var(--mono);margin:0}.ticket dd.buy{color:var(--bid)}.ticket dd.sell{color:var(--ask)}.tape{border-collapse:collapse;width:100%;font:400 13px/1 var(--mono);font-variant-numeric:tabular-nums}.tape td{text-align:right;border-top:1px solid var(--line);padding:7px 0}.tape tr:first-child td{border-top:0}.tape td:first-child{text-align:left;color:var(--faint)}.tape .buy{color:var(--bid)}.tape .sell{color:var(--ask)}.empty{color:var(--faint);font-size:13px}.log{color:var(--muted);margin:0;padding:0;font-size:13px;list-style:none}.log li{border-top:1px solid var(--line);padding:6px 0}.log li:first-child{border-top:0}.log .seq{font-family:var(--mono);color:var(--faint);margin-right:8px}.answer{flex-wrap:wrap;align-items:center;gap:10px;margin-top:28px;display:flex}.answer label{font-weight:500}.field{border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--surface);align-items:center;display:flex}.field:focus-within{border-color:var(--muted)}.field input{font:500 16px var(--mono);width:11em;color:var(--ink);background:0 0;border:0;padding:9px 0 9px 12px}.field input:focus{outline:none}.field span{font:400 12px var(--mono);color:var(--faint);padding:0 12px}.feedback{border-radius:var(--radius);max-width:64ch;margin-top:16px;padding:14px 16px;font-size:15px}.feedback.ok{background:var(--ok-bg)}.feedback.bad{background:var(--bad-bg)}.feedback.info{border:1px solid var(--line)}.feedback strong{margin-bottom:4px;font-weight:500;display:block}.feedback p{color:var(--muted)}.lesson-foot{border-top:1px solid var(--line);justify-content:space-between;gap:12px;margin-top:36px;padding-top:20px;display:flex}.done h2{margin-top:28px;font-size:26px}.done p{color:var(--muted);max-width:64ch;margin-top:10px}.done .actions{gap:10px;margin-top:24px;display:flex}.error{color:var(--ask);padding-block:40px}@media (width<=880px){.hero{grid-template-columns:minmax(0,1fr);gap:36px;padding-block:40px}.audiences{grid-template-columns:minmax(0,1fr)}.audiences>div{border-left:0;border-top:1px solid var(--line)}.audiences>div:first-child{border-top:0}.module{grid-template-columns:36px minmax(0,1fr)}.module .tag{grid-column:2;justify-self:start}.lesson-page{grid-template-columns:minmax(0,1fr);gap:20px}.side ol{border-left:0;border-bottom:1px solid var(--line);display:flex;overflow-x:auto}.side li{white-space:nowrap;border-bottom:2px solid #0000;border-left:0;margin:0 0 -1px}.side li.current{border-bottom-color:var(--ink)}.side li a,.side li span{padding:8px 12px}.workspace{grid-template-columns:minmax(0,1fr)}.topbar nav .hide-sm{display:none}}@media (prefers-reduced-motion:reduce){*{transition:none!important}}