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0;border:none;flex:1;justify-content:space-between;align-items:center;gap:10px;padding:0;display:flex}.prompt-chev{color:var(--muted);flex:none;font-size:12px;transition:transform .18s}.prompt.is-collapsible[data-open=true] .prompt-chev{transform:rotate(90deg)}.prompt.is-collapsible[data-open=false] .prompt-head{border-bottom-color:#0000}.prompt.is-collapsible[data-open=false] .prompt-body-wrap{max-height:0;overflow:hidden}.prompt-actions{flex:none;align-items:center;gap:8px;display:flex}.prompt-where-btn{font:inherit;color:var(--muted);cursor:pointer;text-underline-offset:3px;background:0 0;border:none;padding:4px 2px;font-size:12px;-webkit-text-decoration:underline dotted;text-decoration:underline dotted}.prompt-where-btn:hover{color:var(--accent-text)}.copy-btn.primary{color:#14100a;background:var(--accent);border-color:var(--accent);font-size:13px}.copy-btn.primary:hover{filter:brightness(1.06);color:#14100a}.copy-btn.primary.copied{color:var(--ok);background:var(--ok-soft);border-color:var(--ok)}.prompt-where{color:var(--text);background:var(--info-soft);border-top:1px solid #6cb2ff38;gap:8px;padding:10px 14px;font-size:13.5px;display:flex}.stages{background:var(--bg-soft);border:1px solid var(--border-soft);border-radius:999px;flex-wrap:wrap;align-items:baseline;gap:6px;margin:14px 0 8px;padding:9px 14px;font-size:13px;display:flex}.stages-head{color:var(--text);font-weight:700}.stages-sep{color:var(--border)}.stages-times,.stages-note{color:var(--muted-2)}.lesson-intro{position:relative}.lesson-intro-hide{font:inherit;color:var(--muted-2);cursor:pointer;background:0 0;border:none;margin:4px 0 8px;font-size:12.5px;display:block}.lesson-intro-hide:hover{color:var(--accent-text)}.lesson-intro-collapsed{text-align:left;width:100%;font:inherit;color:var(--muted-2);background:var(--bg-soft);border:1px solid var(--border-soft);cursor:pointer;border-radius:10px;margin:14px 0;padding:10px 14px;font-size:14px;font-weight:600;display:block}.lesson-intro-collapsed:hover{color:var(--text);border-color:var(--border)}.steps{margin:20px 0}.steps-progress{z-index:5;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border-soft);background:#0e1116eb;border-radius:10px;margin-bottom:12px;padding:10px 12px;position:sticky;top:52px}.steps-progress-top{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.steps-progress-label{font-size:13.5px;font-weight:700}.steps-toggle-all{font:inherit;color:var(--muted);cursor:pointer;text-underline-offset:3px;background:0 0;border:none;font-size:12px;-webkit-text-decoration:underline dotted;text-decoration:underline dotted}.steps-toggle-all:hover{color:var(--accent-text)}.steps-bar{background:var(--bg-inset);border-radius:999px;height:7px;overflow:hidden}.steps-bar-fill{background:linear-gradient(90deg, var(--ok), var(--info));border-radius:999px;height:100%;transition:width .4s;display:block}.steps-map{flex-direction:column;gap:4px;margin:0 0 14px;padding:0;list-style:none;display:flex}.steps-map-btn{width:100%;font:inherit;text-align:left;color:var(--text);background:var(--bg-soft);border:1px solid var(--border-soft);cursor:pointer;border-radius:9px;align-items:center;gap:10px;padding:8px 10px;display:flex}.steps-map-btn:disabled{cursor:default;color:var(--muted);opacity:.7}.steps-map-item.is-active .steps-map-btn{border-color:var(--info);background:var(--info-soft)}.steps-map-item.is-done .steps-map-btn{border-color:#5fc98e4d}.steps-map-icon{flex:none;font-size:13px}.steps-map-title{font-size:14px;font-weight:600}.steps-map-est{color:var(--muted);margin-left:auto;font-size:12px}.step{border:1px solid var(--border-soft);border-radius:var(--radius);background:var(--bg-soft);margin:12px 0;overflow:hidden}.step.is-active{border-color:var(--info);box-shadow:0 0 0 1px var(--info) inset, 0 10px 30px #00000040}.step.is-locked{opacity:.72}.step-head{align-items:flex-start;gap:12px;padding:14px 16px;display:flex}.step.is-active .step-head{background:var(--info-soft)}.step-num{background:var(--bg-inset);border:1px solid var(--border);width:28px;height:28px;color:var(--muted);border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:14px;font-weight:700;display:inline-flex}.step.is-active .step-num{background:var(--info);border-color:var(--info);color:#0b0e13}.step.is-done .step-num{background:var(--ok);border-color:var(--ok);color:#0b0e13}.step-head-main{flex:1;min-width:0}.step-title-row{flex-wrap:wrap;align-items:baseline;gap:10px;display:flex}.step-title{margin:0;font-size:18px;line-height:1.3}.step-est{color:var(--muted-2);font-size:12.5px;font-weight:600}.step-eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--info);margin-bottom:2px;font-size:11px;font-weight:700}.step-reward-line{color:var(--ok);margin-top:4px;font-size:13.5px;font-weight:600}.step-locked-hint{color:var(--muted-2);margin-top:4px;font-size:12.5px}.step-review-btn{font:inherit;color:var(--accent-text);background:var(--accent-soft);cursor:pointer;border:1px solid #e8b45a47;border-radius:7px;flex:none;padding:5px 11px;font-size:12.5px}.step-body{border-top:1px solid var(--border-soft);padding:4px 16px 18px}.step-body>:first-child{margin-top:14px}.stepcheck{background:var(--bg-inset);border:1px solid var(--border-soft);border-radius:var(--radius);margin:18px 0 6px;padding:14px 15px}.stepcheck-q{margin-bottom:10px;font-size:14.5px;font-weight:700}.stepcheck-opts{flex-direction:column;gap:6px;display:flex}.stepcheck-opt{font:inherit;text-align:left;color:var(--text);background:var(--bg-soft);border:1px solid var(--border);cursor:pointer;border-radius:9px;align-items:center;gap:10px;padding:10px 12px;font-size:14px;transition:border-color .15s,background .15s;display:flex}.stepcheck-opt:hover{border-color:var(--accent)}.stepcheck-opt.is-picked.is-ok:hover{border-color:var(--ok)}.stepcheck-opt.is-picked.is-ok{border-color:var(--ok);background:var(--ok-soft)}.stepcheck-opt.is-picked:not(.is-ok){border-color:var(--warn);background:var(--warn-soft)}.stepcheck-opt-mark{flex:none}.stepcheck-help{background:var(--warn-soft);border:1px solid #e8b45a4d;border-radius:9px;gap:9px;margin-top:10px;padding:11px 13px;font-size:13.5px;display:flex}.stepcheck-ok-note{color:var(--ok);margin-top:10px;font-size:13.5px;font-weight:600}.stuck{margin:14px 0 2px}.stuck-btn{font:inherit;color:var(--warn);background:var(--warn-soft);cursor:pointer;border:1px solid #e8b45a52;border-radius:8px;padding:8px 14px;font-size:13.5px;font-weight:700}.stuck-btn:hover,.stuck.is-open .stuck-btn{border-color:var(--warn)}.stuck-panel{background:var(--bg-inset);border:1px solid var(--border-soft);border-radius:var(--radius);margin-top:10px;padding:13px 14px}.stuck-q{margin-bottom:8px;font-size:13.5px;font-weight:700}.stuck-list{flex-direction:column;gap:5px;margin:0 0 6px;padding:0;list-style:none;display:flex}.stuck-case{text-align:left;width:100%;font:inherit;color:var(--text);background:var(--bg-soft);border:1px solid var(--border-soft);cursor:pointer;border-radius:8px;padding:8px 11px;font-size:13.5px}.stuck-case:hover{border-color:var(--accent)}.stuck-case.is-sel{border-color:var(--info);background:var(--info-soft)}.stuck-help{background:var(--info-soft);border:1px solid #6cb2ff38;border-radius:9px;margin-top:8px;padding:11px 13px;font-size:13.5px}.stuck-help code{font-family:var(--mono);background:var(--bg-inset);border:1px solid var(--border-soft);border-radius:5px;padding:1px 5px;font-size:.88em}.stuck-fallback{color:var(--muted);margin-top:10px;font-size:12.5px}.demo{border:1px solid var(--border-soft);border-radius:var(--radius);background:var(--bg-inset);margin:16px 0;overflow:hidden}.demo-cap{color:var(--muted-2);background:var(--bg-soft);border-bottom:1px solid var(--border-soft);align-items:center;gap:9px;padding:8px 12px;font-size:12.5px;display:flex}.demo-cap-badge{letter-spacing:.06em;text-transform:uppercase;color:var(--bg-inset);background:var(--muted-2);border-radius:5px;padding:2px 6px;font-size:10px;font-weight:700}.demo-cap-title{color:var(--text);font-weight:600}.demo-replay{font:inherit;color:var(--accent-text);cursor:pointer;background:0 0;border:none;margin-left:auto;font-size:12px}.demo-window{position:relative}.demo-stage{pointer-events:none;flex-direction:column;gap:12px;min-height:190px;padding:16px;display:flex;position:relative}.demo-play{font:inherit;color:var(--text);cursor:pointer;background:#0a0d1280;border:none;flex-direction:column;justify-content:center;align-items:center;gap:10px;display:flex;position:absolute;inset:0}.demo-play-icon{color:#14100a;background:var(--accent);border-radius:50%;justify-content:center;align-items:center;width:52px;height:52px;padding-left:4px;font-size:20px;display:inline-flex}.demo-play:hover .demo-play-icon{filter:brightness(1.08)}.demo-play-text{font-size:13.5px;font-weight:600}.demo-chip{color:#14100a;background:var(--accent);border-radius:7px;align-self:flex-end;padding:6px 12px;font-size:12.5px;font-weight:600;position:relative}.demo-chip-ok{color:var(--ok);background:var(--bg-soft);border:1px solid var(--ok);opacity:0;border-radius:7px;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.demo-cursor{background:var(--text);opacity:0;border-radius:50%;width:12px;height:12px;position:absolute;top:22px;right:30px;box-shadow:0 0 0 4px #e8ecf32e}.demo-chat{border:1px solid var(--border);background:var(--bg-soft);border-radius:9px;padding:10px 12px}.demo-input{font-family:var(--mono);color:var(--muted-2);align-items:center;gap:2px;min-height:18px;font-size:12.5px;display:flex}.demo-typed{white-space:nowrap;clip-path:inset(0 100% 0 0);display:inline-block;overflow:hidden}.demo-caret{background:var(--info);width:2px;height:14px;display:inline-block}.demo-result{opacity:0}.demo.is-playing .demo-chip{animation:demoChip var(--demo-dur) ease infinite}.demo.is-playing .demo-chip-copy{animation:demoChipCopy var(--demo-dur) linear infinite}.demo.is-playing .demo-chip-ok{animation:demoChipOk var(--demo-dur) linear infinite}.demo.is-playing .demo-cursor{animation:demoCursor var(--demo-dur) ease infinite}.demo.is-playing .demo-typed{animation:demoType var(--demo-dur) steps(26, end) infinite}.demo.is-playing .demo-caret{animation:1s steps(2,start) infinite demoCaret}.demo.is-playing .demo-result{animation:demoResult var(--demo-dur) ease infinite}.demo-tree{font-family:var(--mono);background:var(--bg-soft);border:1px solid #5fc98e4d;border-radius:9px;padding:10px 12px;font-size:12.5px}.demo-tree-root{color:var(--ok);font-weight:700}.demo-tree-kids{color:var(--text);flex-direction:column;gap:2px;margin-top:4px;padding-left:14px;display:flex}.demo-card{background:var(--bg-soft);border:1px solid #5fc98e4d;border-radius:9px;padding:10px 12px}.demo-card-name{font-family:var(--mono);color:var(--ok);margin-bottom:6px;font-size:12.5px;font-weight:700}.demo-card-lines{flex-direction:column;gap:5px;display:flex}.demo-card-lines span{background:var(--border);border-radius:3px;height:6px}.demo-card-lines span:first-child{width:90%}.demo-card-lines span:nth-child(2){width:70%}.demo-card-lines span:nth-child(3){width:80%}@keyframes demoChip{0%,8%{transform:scale(1)}12%{transform:scale(.92)}16%,to{transform:scale(1)}}@keyframes demoChipCopy{0%,12%{opacity:1}16%,44%{opacity:0}48%,to{opacity:1}}@keyframes demoChipOk{0%,12%{opacity:0}16%,44%{opacity:1}48%,to{opacity:0}}@keyframes demoCursor{0%,6%{opacity:0;transform:translate(0)}10%{opacity:1;transform:translate(0)}30%{opacity:1;transform:translate(-40px,60px)}38%{opacity:0;transform:translate(-40px,60px)}to{opacity:0}}@keyframes demoType{0%,24%{clip-path:inset(0 100% 0 0)}46%,to{clip-path:inset(0)}}@keyframes demoCaret{0%{opacity:1}to{opacity:0}}@keyframes demoResult{0%,50%{opacity:0;transform:translateY(10px)scale(.96)}62%,92%{opacity:1;transform:none}to{opacity:0;transform:translateY(10px)scale(.96)}}.finale{background:linear-gradient(180deg, var(--ok-soft), var(--bg-soft));border-radius:var(--radius);border:1px solid #5fc98e4d;margin:26px 0 8px;padding:18px 18px 20px}.finale-head{justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:14px;display:flex}.finale-title{font-size:19px;font-weight:800}.finale-pct{color:var(--ok);font-size:22px;font-weight:800}.finale-tree{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.finale-piece{color:var(--muted);align-items:center;gap:10px;font-size:14.5px;display:flex}.finale-piece.is-on{color:var(--text);font-weight:600}.finale-mark{flex:none}.finale-verify{background:var(--bg-inset);border:1px solid var(--border-soft);border-radius:var(--radius);margin-top:18px;padding:14px 15px}.finale-verify-title{margin-bottom:8px;font-size:14.5px;font-weight:700}.finale-verify-ask{margin:0 0 12px;font-size:14.5px}.finale-verify-opts{flex-wrap:wrap;gap:8px;display:flex}.finale-vbtn{font:inherit;color:var(--text);background:var(--bg-soft);border:1px solid var(--border);cursor:pointer;border-radius:9px;padding:9px 14px;font-size:13.5px;font-weight:600}.finale-vbtn.is-ok:hover{border-color:var(--ok)}.finale-vbtn.is-picked.is-ok{border-color:var(--ok);background:var(--ok-soft);color:var(--ok)}.finale-vbtn.is-picked:not(.is-ok){border-color:var(--warn);background:var(--warn-soft)}.finale-verify-note{background:var(--warn-soft);border:1px solid #e8b45a4d;border-radius:9px;margin-top:12px;padding:11px 13px;font-size:13.5px}.finale-verify-note.is-ok{background:var(--ok-soft);border-color:#5fc98e4d}.finale-verify-note code,.finale-verify-ask code{font-family:var(--mono);background:var(--bg-inset);border:1px solid var(--border-soft);border-radius:5px;padding:1px 5px;font-size:.88em}@media (prefers-reduced-motion:reduce){.demo-chip,.demo-chip-copy,.demo-chip-ok,.demo-cursor,.demo-typed,.demo-caret,.demo-result{animation:none!important}.demo-chip-ok,.demo-cursor,.demo-caret{opacity:0}.demo-typed{clip-path:none}.demo-result{opacity:1;transform:none}}.steps-continue{width:100%;font:inherit;text-align:left;color:var(--info);background:var(--info-soft);cursor:pointer;border:1px solid #6cb2ff40;border-radius:8px;margin-top:8px;padding:7px 10px;font-size:12.5px;font-weight:600;display:block}.steps-continue:hover{border-color:var(--info)}.stepcheck-find-btn{font:inherit;color:var(--info);cursor:pointer;text-underline-offset:3px;background:0 0;border:none;margin:0 0 10px;padding:0;font-size:12.5px;-webkit-text-decoration:underline dotted;text-decoration:underline dotted}.stepcheck-find-btn:hover{color:var(--text)}.stepcheck-find{font-family:var(--mono);color:var(--text);background:var(--info-soft);border:1px solid #6cb2ff38;border-radius:8px;gap:8px;margin:-2px 0 12px;padding:9px 12px;font-size:12.5px;display:flex}.prompt-next{background:var(--ok-soft);border-top:1px solid #5fc98e47;flex-wrap:wrap;align-items:center;gap:10px 14px;padding:12px 14px;display:flex}.prompt-next-text{flex:1;min-width:220px;font-size:13.5px}.prompt-next-btn{font:inherit;color:#0b0e13;background:var(--ok);cursor:pointer;border:none;border-radius:8px;flex:none;padding:8px 14px;font-size:13px;font-weight:700}.prompt-next-btn:hover{filter:brightness(1.06)}.finale-locked{color:var(--muted-2);background:var(--bg-inset);border:1px dashed var(--border);border-radius:10px;gap:9px;margin-top:16px;padding:12px 14px;font-size:13.5px;display:flex}.finale-verify .done-btn{width:100%;margin-top:14px;display:block}@media (max-width:560px){.steps-progress{top:46px}.step-title{font-size:16.5px}.prompt-actions{justify-content:space-between;width:100%}}:is(body:has(.lesson-wizard) .site-header,body:has(.lesson-wizard) .site-footer){display:none}.site-main:has(.lesson-wizard){max-width:1160px;padding:12px}.lesson-wizard{max-width:none;margin:0;padding:0}.wz{--wz-source-h:30px;background:var(--bg-soft);border:1px solid var(--border-soft);border-radius:16px;flex-direction:column;height:calc(100dvh - 24px);min-height:540px;display:flex;position:relative;overflow:hidden}.wz-topbar{background:var(--bg-inset);border-bottom:1px solid var(--border-soft);flex:none;align-items:center;gap:16px;padding:11px 18px;display:flex}.wz-crumbs{color:var(--muted-2);font-size:13.5px;font-weight:600}.wz-crumbs:hover{color:var(--accent-text);text-decoration:none}.wz-progress{flex:1;align-items:center;gap:10px;max-width:420px;margin:0 auto;display:flex}.wz-progress-label{color:var(--muted);font-variant-numeric:tabular-nums;flex:none;font-size:12.5px;font-weight:600}.wz-bar{background:var(--bg);border-radius:999px;flex:1;height:6px;overflow:hidden}.wz-bar>span{background:linear-gradient(90deg, var(--accent), var(--ok));border-radius:999px;height:100%;transition:width .4s cubic-bezier(.2,.7,.3,1);display:block}.wz-exit{color:var(--muted);border:1px solid var(--border);border-radius:8px;flex:none;padding:5px 12px;font-size:12.5px;font-weight:600}.wz-exit:hover{color:var(--text);border-color:var(--muted);text-decoration:none}.wz-admin{color:var(--accent-text);border:1px solid color-mix(in srgb, var(--accent) 45%, transparent);white-space:nowrap;border-radius:8px;flex:none;padding:5px 12px;font-size:12.5px;font-weight:600}.wz-admin:hover{background:var(--accent-soft);text-decoration:none}.wz-strip{border-bottom:1px solid var(--border-soft);scrollbar-width:none;gap:6px;margin:0;padding:10px 14px;list-style:none;display:none;overflow-x:auto}.wz-strip::-webkit-scrollbar{display:none}.wz-strip-item button{font:inherit;white-space:nowrap;color:var(--muted);background:var(--bg-inset);border:1px solid var(--border-soft);cursor:pointer;border-radius:999px;padding:5px 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button:hover:not(:disabled){background:var(--bg-soft)}.wz-map-item button:disabled{cursor:default;color:var(--muted);opacity:.55}.wz-map-icon{text-align:center;flex:none;width:18px;font-size:14px}.wz-map-title{flex:1;font-size:13.5px;font-weight:500;line-height:1.35}.wz-map-est{color:var(--muted);flex:none;font-size:11px}.wz-map-item.is-done .wz-map-title,.wz-map-item.is-skipped .wz-map-title{color:var(--muted)}.wz-map-item.is-active .wz-map-title{color:var(--text)}.wz-map-item[data-current=true] button{background:var(--info-soft);border-color:#6cb2ff66}.wz-map-item[data-current=true] .wz-map-title{color:var(--info);font-weight:600}.wz-right{flex-direction:column;min-width:0;min-height:0;display:flex}.wz-stage{flex:1;min-height:0;padding:30px 34px;overflow-y:auto}.wz-screen{max-width:720px;margin:0 auto;animation:.32s cubic-bezier(.2,.7,.3,1) both wz-in-right}.wz-screen[data-dir="-1"]{animation-name:wz-in-left}@keyframes wz-in-right{0%{opacity:0;transform:translate(26px)}to{opacity:1;transform:none}}@keyframes wz-in-left{0%{opacity:0;transform:translate(-26px)}to{opacity:1;transform:none}}.wz-source{min-height:var(--wz-source-h);text-align:center;text-wrap:balance;color:var(--muted-2,var(--muted));background:var(--bg-inset);border-top:1px solid var(--border-soft);flex:none;justify-content:center;align-items:center;gap:6px;padding:6px 16px;font-size:11.5px;line-height:1.45;display:flex}.wz-nav{background:var(--bg-inset);border-top:1px solid var(--border-soft);flex:none;justify-content:space-between;align-items:center;gap:12px;padding:14px 22px;display:flex}.wz-nav-back{font:inherit;color:var(--muted-2);border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:10px;padding:10px 18px;font-size:14px;font-weight:600;transition:all .15s}.wz-nav-back:hover:not(:disabled){color:var(--text);border-color:var(--muted)}.wz-nav-back:disabled{opacity:0;pointer-events:none}.wz-nav-skip{font:inherit;color:var(--muted);cursor:pointer;text-underline-offset:3px;background:0 0;border:none;padding:10px 6px;font-size:13px;-webkit-text-decoration:underline dotted;text-decoration:underline dotted;transition:color .15s}.wz-nav-skip:hover{color:var(--text)}.wz-nav-next{font:inherit;color:#14100a;background:var(--accent);border:1px solid var(--accent);cursor:pointer;border-radius:10px;padding:10px 24px;font-size:14px;font-weight:700;transition:filter .15s,opacity .15s}.wz-nav-next:hover:not(:disabled){filter:brightness(1.07)}.wz-nav-next:disabled{color:var(--muted);background:var(--bg-soft);border-color:var(--border);cursor:not-allowed}.wz-intro-title{margin:0 0 10px;font-size:26px;line-height:1.2}.wz-intro-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:18px;font-size:13px;display:flex}.wz-step-eyebrow{color:var(--muted);align-items:center;gap:8px;margin-bottom:8px;font-size:12.5px;display:flex}.wz-step-badge{color:var(--info);background:var(--info-soft);border-radius:999px;padding:3px 9px;font-size:11px;font-weight:700}.wz-step-title{margin:0 0 18px;font-size:22px;line-height:1.25}.wz-prose>:first-child{margin-top:0}.wz-prose>:last-child{margin-bottom:0}.wz-result{text-align:center;max-width:460px;margin:0 auto;padding:24px 8px}.wz-result-check{width:58px;height:58px;color:var(--ok);background:var(--ok-soft);border:1px solid #5fc98e66;border-radius:999px;place-items:center;margin:0 auto 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0}.blk-tag{letter-spacing:.06em;text-transform:uppercase;margin-bottom:8px;font-size:11px;font-weight:700;display:inline-block}.blk-action{background:var(--accent-soft);border:1px solid #e8b45a3d;border-left:3px solid var(--accent);border-radius:var(--radius);padding:14px 16px}.blk-action>.blk-tag{color:var(--accent-text)}.blk-action.blk-later{background:var(--info-soft);border-color:color-mix(in srgb, var(--info) 24%, transparent);border-left-color:var(--info)}.blk-action.blk-later>.blk-tag{color:var(--info);letter-spacing:.02em;text-transform:none;font-size:12px}.prompt-card{border:1px solid var(--border);background:var(--bg-inset);border-radius:10px;overflow:hidden}.blk-action[data-open=true] .prompt-chev{transform:rotate(90deg)}.prompt-where-link{font:inherit;color:var(--muted);cursor:pointer;text-underline-offset:3px;background:0 0;border:none;padding:8px 2px 0;font-size:12.5px;-webkit-text-decoration:underline dotted;text-decoration:underline 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(max-width:760px){.site-main:has(.lesson-wizard){max-width:100%;padding:0}.wz{--wz-source-h:46px;border:none;border-radius:0;height:100dvh;min-height:0}.wz-main{grid-template-columns:1fr}.wz-map{display:none}.wz-strip{display:flex}.wz-stage{padding:22px 16px}.wz-nav{padding:12px 16px}.wz-source{padding:6px 14px;padding-bottom:max(6px, env(safe-area-inset-bottom));font-size:11px}.wz-nav-skip{padding:10px 2px;font-size:12px}.wz-sos-btn{bottom:calc(74px + var(--wz-source-h,0px));right:14px}.wz-admin-label{display:none}.wz-admin{padding:5px 9px}.wz-intro-title{font-size:22px}.wz-step-title{font-size:19px}}.theme-toggle{border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:9px;flex:none;place-items:center;width:34px;height:34px;font-size:15px;line-height:1;transition:border-color .15s,background .15s;display:inline-grid}.theme-toggle:hover{border-color:var(--muted);background:var(--bg-inset)}.wz-theme{width:32px;height:32px;font-size:14px}:root[data-theme=light] .blk-action{border-color:color-mix(in srgb, var(--accent) 45%, transparent)}:root[data-theme=light] .blk-action.blk-later{border-color:color-mix(in srgb, var(--info) 45%, transparent);border-left-color:var(--info)}:root[data-theme=light] .blk-check{border-color:color-mix(in srgb, var(--ok) 40%, transparent)}:root[data-theme=light] .blk-check-done{border-top-color:color-mix(in srgb, var(--ok) 45%, transparent)}:root[data-theme=light] .prompt-next{border-color:color-mix(in srgb, var(--ok) 42%, transparent)}:root[data-theme=light] .blk-demo .demo-preview{border-color:color-mix(in srgb, var(--info) 40%, transparent)}:root[data-theme=light] .demo-preview-play{border-color:color-mix(in srgb, var(--info) 45%, transparent);background:color-mix(in srgb, var(--info) 14%, transparent)}:root[data-theme=light] .wz-map-item[data-current=true] button{border-color:color-mix(in srgb, var(--info) 45%, transparent)}:root[data-theme=light] .wz-strip-item[data-current=true] button{border-color:color-mix(in 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#00000059}.offpath>span{font-size:20px}.offpath-body{flex:1}.offpath-actions{flex-wrap:wrap;gap:8px;margin-top:9px;display:flex}.offpath-btn{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--border);cursor:pointer;border-radius:9px;padding:6px 12px;font-size:13px;font-weight:600;text-decoration:none}.offpath-btn:hover{border-color:var(--muted)}.offpath-btn.is-primary{color:var(--accent-text);background:var(--accent-soft);border-color:var(--accent)}.wz-final-fork{flex-direction:column;gap:10px;margin-top:18px;display:flex}.wz-final-fork-title{color:var(--muted-2);font-size:14px;font-weight:700}.wz-final-path{color:var(--text);background:var(--bg-soft);border:1px solid var(--border);border-radius:12px;align-items:center;gap:12px;padding:12px 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