.nav a[href="#more"]{display:none}.quest-home-link{display:flex;align-items:center;gap:14px;border-bottom:1px solid var(--line);padding:0 0 20px;margin-bottom:25px;text-decoration:none;color:var(--ink)}.quest-home-link>span:nth-child(2){flex:1}.quest-home-link b{font-size:18px}.quest-home-link small{display:block;color:var(--muted);margin-top:3px}.quest-xp{display:flex;align-items:center;gap:7px;white-space:nowrap;color:var(--teal);font-size:12px}.quest-xp b{font-size:22px;font-variant-numeric:tabular-nums}.quest-tools{display:flex;align-items:center;gap:20px;flex-wrap:wrap;padding:12px 0 20px;margin-bottom:15px;border-bottom:1px solid var(--line);font-size:12px}.quest-tools a{display:inline-flex;align-items:center;gap:7px;text-decoration:none}.quest-tools .icon-btn{margin-left:auto}.quest-tools b{background:#e8f0e9;border-radius:4px;padding:1px 6px}.quest-start{display:flex;align-items:center;justify-content:space-between;gap:30px;background:#e9f2ef;border-left:4px solid var(--teal);padding:26px 28px;margin:20px 0 30px}.quest-start h2{font-size:25px;margin:8px 0}.quest-start p{margin-bottom:19px}.quest-totals{display:flex;gap:26px;color:var(--muted);font-size:12px}.quest-totals b{display:block;color:var(--ink);font-size:32px}.quest-totals small{font-size:14px;color:var(--muted)}.quest-paths{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}.quest-path{min-width:0}.quest-path .section-label{margin:0 0 18px;align-items:flex-start;gap:10px;flex-wrap:wrap}.quest-path-title{display:flex;gap:10px;align-items:center}.quest-path-title h2{font-size:17px}.quest-path-title p{font-size:11px;color:var(--muted);margin-top:5px}.quest-path-track,.quest-test-progress{height:5px;background:var(--line);overflow:hidden}.quest-path-track>span,.quest-test-progress>span{display:block;height:100%;background:var(--teal);transition:width .35s}.quest-missions{list-style:none;padding:0;margin:17px 0 22px}.quest-missions li{position:relative}.quest-missions li:not(:last-child):before{content:'';position:absolute;left:15px;top:40px;bottom:-2px;width:2px;background:var(--line)}.quest-missions a{display:flex;align-items:center;gap:11px;min-height:73px;padding:9px 0;color:var(--ink);text-decoration:none}.quest-missions a>span:nth-child(2){flex:1;min-width:0}.quest-missions b{font-size:13px;line-height:1.4;display:block}.quest-missions small{font-size:10px;color:var(--muted);display:block;margin-top:4px}.quest-node{display:grid;place-items:center;flex-shrink:0;position:relative;width:32px;height:32px;border:1px solid var(--line);background:white;border-radius:50%;font-size:11px;font-weight:700}.quest-node.studied{background:#fff3d1;border-color:#ddbc49}.quest-node.mastered{background:var(--teal);color:white;border-color:var(--teal)}.quest-earned{background:var(--lime);color:var(--ink)}.quest-final{border-block:1px solid var(--line);padding:25px 0;margin-top:36px;display:flex;align-items:center;justify-content:space-between;gap:20px}.quest-final h2{font-size:21px;margin:9px 0}.quest-final p{color:var(--muted);font-size:12px}.quest-learning{display:grid;grid-template-columns:210px minmax(0,1fr);gap:30px}.quest-outline{display:flex;flex-direction:column;align-self:start;gap:5px}.quest-outline a{display:flex;align-items:flex-start;gap:10px;text-decoration:none;font-size:12px;padding:10px;color:var(--muted);border-radius:5px;line-height:1.5}.quest-outline a.active{background:#e9f2ef;color:var(--ink);font-weight:600}.quest-outline a>span{width:19px;flex-shrink:0;font-size:11px}.quest-surface{min-width:0}.quest-surface>h1{font-size:29px;margin:9px 0 23px}.quest-phases{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-bottom:1px solid var(--line);margin-bottom:22px}.quest-phases a{display:flex;align-items:center;justify-content:center;gap:7px;text-decoration:none;color:var(--muted);font-size:12px;padding:12px 5px;border-bottom:3px solid transparent}.quest-phases a.active{color:var(--teal);border-color:var(--teal);font-weight:700}.quest-stage{animation:quest-in .2s ease-out}.quest-takeaway{font-size:18px;line-height:1.55;color:#364e44;border-left:4px solid var(--teal);padding:4px 0 4px 17px;margin-bottom:23px}.quest-facts details{border-top:1px solid var(--line);padding:16px 0}.quest-facts summary{cursor:pointer;display:flex;align-items:center;gap:12px;font-size:15px;font-weight:600}.quest-facts summary>svg{margin-left:auto}.quest-facts p{padding:13px 0 0 40px;color:#4b5c50;font-size:14px;line-height:1.8}.quest-example{background:#f0f4ef;padding:17px 18px;margin-top:18px;border-radius:5px}.quest-example summary,.quest-model summary{display:flex;align-items:center;gap:9px;cursor:pointer;font-weight:600;font-size:13px}.quest-example summary>svg:last-child,.quest-model summary>svg:last-child{margin-left:auto}.quest-example p{font-size:13px;line-height:1.85;margin-top:14px;color:#4b5c50}.quest-next{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:26px;padding-top:20px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.quest-lab{background:white;border:1px solid var(--line);border-radius:6px;padding:23px;margin-bottom:26px}.quest-lab h2{font-size:19px;margin:8px 0}.quest-lab>p{color:var(--muted);font-size:13px;margin-bottom:18px}.quest-lab-controls{display:flex;flex-wrap:wrap;gap:7px;margin:12px 0}.quest-lab-controls button{background:#f0f4f0;color:var(--ink);border:1px solid var(--line);border-radius:5px;padding:9px 11px;min-height:42px;font-size:12px}.quest-lab-controls button.active{background:var(--teal);color:white;border-color:var(--teal)}.quest-lab-result{padding-top:13px;border-top:1px solid var(--line);margin-top:17px}.quest-lab-result p{font-size:13px;color:#4b5c50;line-height:1.7;margin-top:16px}.quest-account-view{padding:20px;background:#eaf2ef;text-align:center;animation:quest-in .25s}.quest-account-view span{font-size:12px;color:var(--muted)}.quest-account-view b{display:block;font-size:32px;margin-top:5px}.quest-equation{display:flex;align-items:center;justify-content:space-between;gap:10px;text-align:center;padding:14px 0;font-size:12px;flex-wrap:wrap}.quest-equation b{display:block;font-size:23px;margin-top:6px;font-variant-numeric:tabular-nums}.quest-visual-bars{display:grid;gap:16px}.quest-visual-bars>div{display:grid;grid-template-columns:110px minmax(0,1fr) 70px;gap:10px;align-items:center;font-size:12px}.quest-visual-bars b{text-align:right}.quest-bar{height:13px;background:#eef2ed;border-radius:3px;overflow:hidden}.quest-bar i{height:100%;display:block;background:#7b9387;transition:width .45s ease}.quest-bar .coral{background:var(--coral)}.quest-bar .teal{background:var(--teal)}.quest-bar .yellow{background:var(--yellow)}.quest-timeline{display:flex;min-height:102px;gap:4px}.quest-timeline>div{min-width:0;background:var(--teal);padding:17px 9px;color:white;transition:flex .35s}.quest-timeline>div+div{background:#f8df81;color:var(--ink)}.quest-timeline span{font-size:11px;display:block;overflow-wrap:anywhere}.quest-timeline b{display:block;font-size:21px;margin-top:8px}.quest-service-months{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:5px}.quest-service-months span{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 2px;border:1px solid var(--line);font-size:11px}.quest-service-months .earned{background:var(--teal);color:white;animation:quest-pop .25s}.quest-sort{margin:15px 0}.quest-sort-row{border-top:1px solid var(--line);padding:15px 0}.quest-sort-row h3{font-size:13px;font-weight:600;line-height:1.65}.quest-sort-row p{display:flex;align-items:flex-start;gap:5px;font-size:12px;line-height:1.65;flex-wrap:wrap}.quest-sort-good{color:var(--good)}.quest-sort-bad{color:var(--bad)}.quest-question{max-width:760px;margin-top:20px}.quest-question h3{font-size:20px;line-height:1.45;margin-bottom:18px}.quest-options{display:grid;gap:10px}.quest-options button{display:flex;align-items:center;gap:12px;text-align:left;min-height:59px;padding:13px 16px;border:1px solid var(--line);background:white;border-radius:6px;color:var(--ink);font-size:14px;line-height:1.55;transition:border-color .15s,background .15s}.quest-options button>span{display:grid;place-items:center;width:25px;height:25px;flex-shrink:0;background:#f0f4ef;border-radius:4px;font-size:11px;font-weight:700}.quest-options button.selected{border-color:var(--teal);box-shadow:inset 0 0 0 1px var(--teal);background:#edf5f0}.quest-options button.correct{border-color:var(--good);background:#e9f4ed;opacity:1}.quest-options button.incorrect{border-color:var(--coral);background:#fff0ec;opacity:1}.quest-options button:disabled{color:var(--ink);opacity:1}.quest-options button>svg{margin-left:auto}.quest-feedback{border-left:3px solid var(--teal);padding:15px 18px;background:#edf5f0;margin-top:18px;font-size:13px;line-height:1.7;animation:quest-in .25s}.quest-feedback.retry{background:#fff2eb;border-color:var(--coral)}.quest-feedback p{margin-top:7px}.quest-feedback details{margin-top:12px}.quest-feedback summary{cursor:pointer;color:var(--teal);font-weight:600}.quest-question-actions{display:flex;gap:18px;flex-wrap:wrap;align-items:center;margin-top:23px}.quest-round{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:25px}.quest-dots{display:flex;gap:6px}.quest-dots button{width:32px;height:32px;border:1px solid var(--line);background:white;border-radius:4px;font-size:11px}.quest-dots button.active{background:var(--ink);color:white}.quest-dots button.answered{border-color:var(--teal);background:#e9f2ef}.quest-write-title{font-size:22px;line-height:1.5;margin:18px 0}.quest-writing{display:block;width:100%;min-height:170px;resize:vertical;border:1px solid var(--line);border-radius:5px;padding:16px;font:inherit;font-size:14px;line-height:1.7}.quest-writing:focus{outline:2px solid var(--teal)}.quest-model{margin-top:20px;padding:19px 0;border-block:1px solid var(--line)}.quest-model .muted{font-size:12px;margin:15px 0}.quest-model label{display:flex;align-items:flex-start;gap:12px;font-size:13px;line-height:1.75;margin:12px 0;cursor:pointer}.quest-model input{width:18px;height:18px;flex-shrink:0;accent-color:var(--teal);margin-top:3px}.quest-completion{padding:22px 0}.quest-completion h3{font-size:17px;margin-bottom:13px}.quest-checklist{display:grid;gap:10px;margin-bottom:22px;font-size:12px;color:var(--muted)}.quest-checklist span{display:flex;gap:9px;align-items:center}.quest-checklist svg{width:16px;height:16px}.quest-test-start{padding:20px 0;max-width:640px}.quest-test-start h2{margin:22px 0 12px}.quest-test-start p{color:var(--muted);margin:0 0 24px}.quest-test-start .secondary{margin-left:10px}.quest-test-progress{max-width:760px;margin:15px 0 25px}.quest-result{padding:22px 0 35px;border-bottom:1px solid var(--line)}.quest-result>span{display:inline-grid;place-items:center;width:60px;height:60px;background:#fff0ec;border-radius:8px}.quest-result.passed>span{background:var(--lime);animation:quest-pop .4s}.quest-result>span svg{width:30px;height:30px}.quest-result h2{font-size:23px;margin:20px 0 10px}.quest-result p{font-size:13px;color:var(--muted);margin-bottom:20px}.quest-test-review{border-bottom:1px solid var(--line);padding:20px 0;font-size:13px}.quest-test-review summary{display:flex;align-items:center;justify-content:space-between;gap:15px;cursor:pointer;font-weight:600}.quest-test-review p{margin-top:14px;line-height:1.7;color:#4b5c50}.quest-test-review a{display:inline-block;margin-top:12px}.quest-submit{display:flex;flex-wrap:wrap;gap:12px}.quest-submit p{width:100%;font-size:13px;color:var(--muted)}.quest-coverage-note{font-size:13px;line-height:1.8;max-width:760px;margin-bottom:25px}.quest-coverage-note p+p{margin-top:10px}.quest-coverage .section-label h2{font-size:21px}.quest-coverage .section-label>a{font-size:12px;display:flex;align-items:center;gap:5px}.quest-coverage-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.quest-coverage-grid details{border:1px solid var(--line);border-radius:5px;padding:12px;font-size:12px;background:white}.quest-coverage-grid summary{display:flex;justify-content:space-between;gap:10px;cursor:pointer}.quest-coverage-grid summary span{font-size:10px;color:var(--muted)}.quest-coverage-grid p{font-size:11px;color:var(--muted);margin:12px 0}.quest-coverage-grid a{display:flex;gap:8px;justify-content:space-between;font-size:12px;margin:10px 0}.quest-coverage-grid svg{width:14px;height:14px}.quest-low-motion .theory-app *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
@keyframes quest-in{from{opacity:.4;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@keyframes quest-pop{0%{transform:scale(.9)}60%{transform:scale(1.06)}100%{transform:scale(1)}}
@media(max-width:1150px){.quest-paths{gap:18px}.quest-learning{grid-template-columns:175px minmax(0,1fr);gap:22px}.quest-totals{gap:15px}}
@media(max-width:900px){.quest-paths{grid-template-columns:1fr}.quest-path{padding-bottom:24px;border-bottom:1px solid var(--line)}.quest-missions{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.quest-missions li:before{display:none}.quest-learning{grid-template-columns:1fr}.quest-outline{display:none}.quest-coverage-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.quest-start{flex-wrap:wrap}}
@media(max-width:650px){.nav a[href="#learn"],.nav a[href="#mistakes"],.nav a[href="#patterns"]{display:none}.nav a[href="#more"]{display:flex}.quest-home-link{gap:10px}.quest-home-link b{font-size:16px}.quest-home-link small{font-size:11px}.quest-tools{gap:12px;font-size:11px}.quest-tools svg{width:15px;height:15px}.quest-tools .icon-btn{margin-left:0;width:33px;height:33px}.quest-start{padding:21px 18px;gap:22px}.quest-start h2{font-size:22px}.quest-totals{width:100%;justify-content:space-between}.quest-totals b{font-size:27px}.quest-totals span{font-size:11px}.quest-missions{grid-template-columns:1fr}.quest-missions a{min-height:65px}.quest-path-title h2{font-size:18px}.quest-final{flex-direction:column;align-items:flex-start}.quest-final h2{font-size:21px}.quest-xp b{font-size:20px}.quest-surface>h1{font-size:25px}.quest-phases a{flex-direction:column;font-size:11px;gap:5px}.quest-takeaway{font-size:16px}.quest-facts p{padding-left:0;font-size:13px}.quest-facts summary{font-size:14px;gap:9px}.quest-next{flex-wrap:wrap;gap:14px}.quest-lab{padding:18px 14px}.quest-lab h2{font-size:18px}.quest-lab-controls button{font-size:11px;flex:1;min-width:65px}.quest-equation{gap:9px;font-size:10px}.quest-equation b{font-size:19px}.quest-visual-bars>div{grid-template-columns:86px minmax(0,1fr) 63px;font-size:10px;gap:6px}.quest-question h3{font-size:18px}.quest-options button{font-size:13px;padding:12px}.quest-write-title{font-size:20px}.quest-coverage-grid{grid-template-columns:1fr 1fr;gap:8px}.quest-coverage-grid details{padding:10px}.quest-coverage .section-label{align-items:flex-start;flex-wrap:wrap}.quest-coverage .section-label h2{font-size:18px}.quest-round{flex-wrap:wrap}.quest-timeline span{font-size:10px}.quest-timeline b{font-size:18px}.quest-test-start .secondary{margin:12px 0 0}.quest-feedback{padding:13px}.quest-outline{display:none}}
@media(prefers-reduced-motion:reduce){.theory-app *{animation:none!important;transition:none!important}}
@media print{.quest-tools,.quest-outline,.quest-phases,.quest-next,.quest-question-actions{display:none}.quest-paths,.quest-learning{display:block}.quest-facts details>p,.quest-example>p{display:block!important}.quest-missions{display:block}.quest-lab{break-inside:avoid}}