:root{color-scheme:dark;--gold:#fcb034;--red:#8b0f04;--white:#fff;--muted:#babdc3;--line:#3b3e44;--panel:#101113;font-family:Arial,Helvetica,sans-serif;background:#000;color:#fff}*{box-sizing:border-box}body{margin:0}button{font:inherit;font-weight:700;color:#fff;background:#1c1e22;border:1px solid #555961;border-radius:10px;min-height:48px;padding:10px 17px;cursor:pointer}button:hover{background:#2c2e33}button:focus-visible{outline:3px solid var(--gold);outline-offset:4px}button:disabled{opacity:.35;cursor:default}.app{min-height:100dvh;display:grid;grid-template-rows:64px 58px minmax(0,1fr) 96px;height:100dvh;padding:0 28px}header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:12px}.brand{display:flex;align-items:center;gap:12px;font-size:22px}.brand-mark{color:var(--gold);font-size:38px}.school{font-size:12px;letter-spacing:2px;color:var(--muted);margin-left:12px}.header-actions{display:flex;gap:10px}.header-actions button{min-height:40px;font-size:15px}.journey{display:flex;align-items:center;gap:25px;font-size:17px;color:#999}.journey span{display:flex;align-items:center;gap:8px}.journey .active{color:var(--gold)}main{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(430px,.88fr);gap:28px;min-height:0;padding-bottom:14px}.focus{min-width:0;min-height:0;display:flex;flex-direction:column}.eyebrow{font-size:13px;letter-spacing:1.4px;font-weight:700;color:var(--gold);margin:0 0 10px}h1{font-size:clamp(27px,2.8vw,44px);line-height:1.1;margin:0 0 12px;letter-spacing:-.6px}#instruction{font-size:clamp(17px,1.5vw,23px);line-height:1.4;color:#dedfe2;margin:0 0 16px}.visual{flex:1;min-height:0;display:flex;align-items:center;justify-content:center}.source-overview{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:100%;height:100%}.source-overview article{border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:var(--panel);min-height:0;overflow:hidden}.source-overview h2{font-size:16px;margin:0 0 12px;color:var(--muted)}.source-overview p{font-size:21px;line-height:1.5}.source-overview svg{width:100%;height:calc(100% - 33px);min-height:80px}.big-equation{font-size:clamp(24px,2.7vw,42px)!important}.input-table{border-collapse:collapse;margin:auto;width:65%;font-size:18px;text-align:center}.input-table th,.input-table td{border:1px solid #666;padding:4px}.input-table th{color:var(--gold)}.organizer{border-left:1px solid var(--line);padding-left:28px;min-width:0;display:flex;flex-direction:column;justify-content:center}.organizer-heading h2{font-size:23px;margin:0 0 5px}.organizer-heading p{margin:0 0 18px;color:var(--muted);font-size:16px}.property-table{border-collapse:separate;border-spacing:0;width:100%;font-size:clamp(23px,2.5vw,38px);table-layout:fixed}.property-table th,.property-table td{padding:15px 7px;border-top:1px solid var(--line);text-align:center}.property-table thead th{font-size:16px;color:var(--muted);padding:12px 7px}.property-table th:first-child{width:45%;text-align:left;font-size:clamp(15px,1.3vw,20px);line-height:1.25}.property-table th small{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:6px;line-height:1.3}.property-table tbody tr:nth-child(3) th,.property-table tbody tr:nth-child(3) td{border-top:12px solid #000}.property-table td{font-variant-numeric:tabular-nums}.table-note{font-size:16px;line-height:1.4;color:var(--muted);margin:18px 0}.paper{border-left:4px solid var(--red);background:#19100e;padding:15px 18px;margin-top:8px}.paper .eyebrow{color:#fff;font-size:12px}.paper p{font-size:18px;line-height:1.4;margin:8px 0 0}.takeaway{font-size:17px;line-height:1.4;color:var(--muted);margin-top:15px;min-height:48px}footer{display:flex;align-items:center;justify-content:space-between;gap:18px;border-top:1px solid var(--line)}.controls{display:flex;gap:10px}.primary{background:var(--gold);color:#000;border-color:var(--gold);min-width:245px;font-size:18px}.primary:hover{background:#ffc769}.progress-area{min-width:200px;font-size:16px}.progress-area small{font-size:12px;color:var(--muted)}.progress-track{height:4px;background:#303238;margin:9px 0;width:100%;max-width:360px}.progress-track span{display:block;background:var(--gold);height:100%;width:4%}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}[hidden]{display:none!important}@media(max-width:1100px){.app{padding:0 18px}.school{display:none}main{gap:20px;grid-template-columns:minmax(0,1fr) minmax(400px,1fr)}.organizer{padding-left:20px}.property-table th,.property-table td{padding:13px 5px}.property-table th:first-child{width:46%}.source-overview article{padding:12px}.progress-area small{display:none}.primary{min-width:210px}}@media(max-width:820px){.app{height:auto;min-height:100dvh;grid-template-rows:auto 52px 1fr auto}header{padding:10px 0}.brand{font-size:18px}.brand-mark{display:none}.header-actions button{font-size:13px;padding:8px;min-height:44px}.journey{gap:14px;font-size:14px}main{grid-template-columns:1fr}.visual{min-height:300px}.organizer{border-left:0;padding:20px 0;border-top:1px solid var(--line)}.property-table th:first-child{font-size:18px}.property-table{font-size:30px}.source-overview{min-height:360px}footer{position:sticky;bottom:0;background:#000;padding:10px 0;z-index:5;flex-wrap:wrap}.progress-area{width:100%;font-size:14px}.progress-track{display:none}.controls{width:100%;gap:7px}.controls button{padding:10px 12px}.primary{flex:1;min-width:0;font-size:16px}.takeaway{min-height:0}.paper p{font-size:18px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* Guided evidence and comparison views. */
em{font-style:normal;color:var(--gold)}.journey button{background:transparent;border:0;min-height:44px;padding:5px 2px;color:#aaa;display:flex;gap:8px;align-items:center;font-size:17px}.journey button.active{color:var(--gold)}.journey button:hover{color:#fff}.source-scene{width:100%;height:100%;min-height:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.source-label{font-size:15px;font-weight:700;letter-spacing:1px;width:100%;border-bottom:1px solid var(--line);padding:8px 0 10px;display:flex;gap:14px}.source-label span{color:var(--gold)}.source-label small{margin-left:auto;font-size:13px;color:var(--muted);font-weight:400;letter-spacing:0}.source-art{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;width:100%}.graph{display:block;width:100%;height:100%;max-height:360px;overflow:visible}.graph text{font:14px Arial;fill:#fff;paint-order:stroke;stroke:#000;stroke-width:3px;stroke-linejoin:round}.grid-line{stroke:#37393d;stroke-width:.75}.axis-line{stroke:#fff;stroke-width:2;fill:none}.function-line{stroke:var(--gold);stroke-width:3;fill:none}.graph-dot{fill:var(--gold);stroke:#000;stroke-width:1.5}.evidence-ring{fill:none;stroke:white;stroke-width:2.5}.graph .point-label{font-size:18px;font-weight:700}.run-step,.rise-step{stroke:#fff;stroke-width:2.6;fill:none}.graph .step-label{font-size:15px;font-weight:700}.source-result{display:flex;align-items:center;justify-content:center;gap:24px;padding:13px 20px;border-radius:10px;background:#201a10;border:1px solid #715326;margin:8px 0;font-size:21px}.source-result strong{font-size:30px;color:var(--gold)}.calculation{display:flex;align-items:center;justify-content:center;gap:16px;font-size:31px;padding:8px 20px;min-height:84px}.calculation strong{color:var(--gold)}.fraction{display:inline-flex;flex-direction:column;text-align:center;vertical-align:middle;line-height:1.2}.fraction span:first-child{border-bottom:2px solid #fff;padding:0 7px 5px}.fraction span:last-child{padding:5px 7px 0}.table-scene{width:90%;display:flex;align-items:center;gap:22px;justify-content:center}.large-table{width:260px;font-size:30px;margin:0}.large-table td,.large-table th{padding:12px 25px}.source-row-highlight{background:#3b2910}.source-row-highlight td{border-color:var(--gold);color:var(--gold);font-weight:700}.table-changes{display:flex;flex-direction:column;gap:28px;font-size:19px}.table-changes span{display:block}.table-changes b{display:block;color:var(--gold);font-size:29px;margin-top:6px}.equation-scene,.words-scene{width:100%;text-align:center}.equation-model{font-size:38px;color:var(--muted);margin:15px}.equation-model span{color:var(--gold)}.equation-large{font-size:clamp(36px,4vw,62px);margin:28px 0}.source-prompt{font-size:20px;color:var(--muted)}.value-pair{display:flex;gap:25px;justify-content:center;margin-top:30px}.value-pair div{padding:18px 22px;background:#201a10;border:1px solid #715326;border-radius:12px}.value-pair small{display:block;color:#ddd;font-size:17px;margin-bottom:10px}.value-pair strong{font-size:34px;color:var(--gold)}.words-scene>p{font-size:clamp(28px,3vw,44px);line-height:1.5;margin:15px 0}.source-highlight{color:var(--gold);border-bottom:3px solid var(--gold);padding-bottom:4px}.distance-intro{width:100%;text-align:center}.distance-intro svg{width:100%;max-height:230px}.distance-intro text,.comparison-line text{fill:#fff;font:19px Arial}.distance-intro .svg-emphasis{fill:var(--gold);font-size:24px;font-weight:700}.distance-jumps{fill:none;stroke:var(--gold);stroke-width:3}.distance-rule{display:flex;flex-direction:column;gap:9px;font-size:23px;line-height:1.4}.distance-rule strong{color:var(--gold)}.distance-note{color:var(--muted);font-size:18px;line-height:1.4}.row-prompt{text-align:center;width:100%;padding:15px 0}.question-symbol{font-size:58px;background:var(--red);width:85px;height:85px;border-radius:50%;display:grid;place-items:center;margin:0 auto 22px;font-weight:700}.row-prompt h2{font-size:clamp(24px,2.5vw,36px);margin:0 0 18px}.row-prompt p{font-size:22px;line-height:1.5;color:#dedfe2;margin:0}.wait-pill{display:inline-block;margin-top:24px;border:1px solid #786347;color:var(--gold);padding:11px 20px;border-radius:30px;font-size:14px;letter-spacing:1px;font-weight:700}.property-table .chosen-row th,.property-table .chosen-row td{background:#32220c;border-top-color:var(--gold);border-bottom:1px solid var(--gold)}.property-table .chosen-row th{box-shadow:inset 4px 0 var(--gold);padding-left:12px}.property-table .chosen-row{color:#fff}.property-table .quiet-row{opacity:.43}.row-tag{display:block;font-size:11px;letter-spacing:.8px;color:var(--gold);margin-top:7px}.property-table th{position:relative}.winning-cell{color:var(--gold);position:relative;font-weight:700}.winner-mark{display:block;font-size:15px;line-height:1.1}.empty{color:#777}.active-row-label{color:var(--gold);font-weight:700}.paper-record{display:grid;grid-template-columns:90px 1fr;gap:8px 12px;align-items:baseline;font-size:17px;line-height:1.35;margin-top:10px}.paper-record>span{color:var(--muted);font-size:14px}.paper-record>b{font-weight:400}.numberline-scene{width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;min-height:0}.comparison-label{font-size:14px;letter-spacing:.7px;color:var(--muted);margin:4px 0 8px}.comparison-line{width:100%;flex:1;min-height:140px;max-height:330px;overflow:visible}.zero-guide{stroke:#a7a9ae;stroke-width:1.3;stroke-dasharray:4 5}.threshold-line{stroke:var(--gold);stroke-width:2;stroke-dasharray:5 5}.lane-base{stroke:#4a4d52;stroke-width:1}.distance-bar{stroke:var(--gold);stroke-width:6;stroke-linecap:round}.value-dot{fill:var(--gold)}.comparison-line .lane-label{font-weight:700;font-size:23px}.comparison-line .signed-value{font-size:18px}.comparison-line .distance-caption{font-size:17px;fill:var(--gold)}.comparison-line .check-text{fill:var(--gold);font-size:27px}.comparison-lane.unselected{opacity:.38}.comparison-lane.selected .lane-label{fill:var(--gold)}.answer-banner{background:#241b0d;border:1px solid #79592a;padding:13px 18px;display:flex;flex-direction:column;gap:7px;border-radius:12px;margin-top:10px}.answer-banner span{color:var(--gold);font-size:25px;font-weight:700}.answer-banner strong{font-weight:400;font-size:20px;line-height:1.35}.visual-question{font-size:22px;text-align:center;margin:12px 0;color:var(--gold)}.steepness-bridge{width:100%;height:100%;min-height:0;display:flex;flex-direction:column;justify-content:center}.paired-graphs{display:flex;width:100%;min-height:0;flex:1;max-height:330px;gap:12px}.paired-graphs article{width:50%;min-width:0;display:flex;flex-direction:column}.paired-graphs h3{font-size:19px;margin:4px 0;text-align:center;color:var(--gold)}.paired-graphs .graph{flex:1;min-height:0}.steepness-bridge>p{text-align:center;font-size:20px;line-height:1.45;margin:14px 0 0}.steepness-bridge strong{color:var(--gold)}.practice-tools{display:flex;align-items:center;gap:12px;margin:0 0 10px;font-size:16px}.practice-tools select{font:inherit;color:white;background:#202126;padding:10px 12px;border:1px solid #72747b;border-radius:8px;min-height:44px}.source-tabs{display:flex;align-items:center;gap:6px;margin-bottom:12px;flex-wrap:wrap}.source-tabs>span{font-size:14px;color:var(--muted)}.source-tabs button{font-size:14px;min-height:38px;padding:7px 9px;border-radius:7px}.source-tabs button[aria-pressed=true]{color:var(--gold);border-color:var(--gold);background:#32220c}.mini-properties{font-size:16px;color:var(--gold);margin-top:8px}.source-overview article{position:relative;display:flex;flex-direction:column}.source-overview .graph{min-height:0;flex:1}.source-overview .input-table{font-size:19px}.source-overview p{margin:10px 0}.source-overview h2{flex:none}.source-overview .mini-properties{flex:none}.flying-value{position:fixed;z-index:20;pointer-events:none;background:var(--gold);color:#000;padding:9px 13px;border-radius:8px;font-size:20px;font-weight:700;box-shadow:0 5px 28px #0008}dialog{max-width:720px;width:calc(100% - 32px);max-height:90dvh;overflow:auto;background:#151618;border:1px solid #6a6d75;border-radius:16px;padding:28px;color:white;font-size:17px;line-height:1.55}dialog::backdrop{background:#000c}.dialog-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.dialog-heading h2{font-size:27px;line-height:1.2;margin:0}.dialog-heading button{min-height:44px}dialog ol{padding-left:24px}dialog li{margin:15px 0}dialog p{color:#d4d5d8}.help-takeaway{color:var(--gold)!important;border-left:4px solid var(--red);padding-left:16px}.controls{position:relative}#pause{position:absolute;right:0;bottom:60px;min-height:38px;padding:7px 15px;font-size:14px;background:#292b30}.header-actions{gap:8px}.header-actions button{padding:9px 12px}.organizer{justify-content:flex-start;padding-top:8px}.property-table th small{font-size:14px}.row-tag{font-size:12px}.progress-area small{font-size:13px}.organizer-heading p{font-size:16px}.takeaway{min-height:42px}.school{font-size:12px}
@media(max-height:790px) and (min-width:821px){.app{grid-template-rows:58px 48px minmax(0,1fr) 82px}h1{font-size:30px;margin-bottom:9px}#instruction{font-size:18px;margin-bottom:10px}.eyebrow{margin-bottom:7px}.property-table th,.property-table td{padding:10px 5px}.property-table th small{font-size:12px}.organizer-heading h2{font-size:21px}.organizer-heading p{margin-bottom:8px}.paper{padding:10px 13px}.paper p{font-size:16px}.table-note{margin:12px 0;font-size:15px}.paper-record{font-size:15px;gap:6px}.source-label{font-size:14px}.takeaway{font-size:15px;margin-top:10px;min-height:34px}.calculation{font-size:27px;min-height:70px}.source-result{font-size:18px;padding:9px 15px}.source-result strong{font-size:26px}.answer-banner{padding:10px 14px}.answer-banner span{font-size:22px}.answer-banner strong{font-size:18px}.progress-area{font-size:14px}.large-table{font-size:27px}.large-table th,.large-table td{padding:9px 20px}.paired-graphs{max-height:250px}.steepness-bridge>p{font-size:18px}.source-overview article{padding:11px}.source-overview p{font-size:19px}.source-overview .big-equation{font-size:30px!important}.source-overview .input-table{font-size:17px}.row-prompt p{font-size:20px}.question-symbol{height:68px;width:68px;font-size:48px;margin-bottom:14px}.wait-pill{margin-top:18px}.distance-rule{font-size:21px}.distance-note{font-size:17px}.source-tabs{margin-bottom:8px}}
@media(max-width:1100px){.brand{font-size:20px}.header-actions button{font-size:14px;padding:8px 10px}.property-table th small{font-size:12px}.paper-record{grid-template-columns:80px 1fr;font-size:15px}.primary{min-width:230px}.source-overview p{font-size:19px}.words-scene>p{font-size:30px}.value-pair{gap:14px}.value-pair div{padding:14px}.value-pair strong{font-size:29px}.value-pair small{font-size:15px}}
@media(max-width:820px){.source-art{min-height:220px}.graph{max-height:340px}.source-label{font-size:14px}.source-overview{height:auto;min-height:420px;grid-auto-rows:minmax(180px,1fr)}.source-overview .graph{height:190px}.source-overview h2{font-size:15px}.source-overview p{font-size:19px}.source-overview .big-equation{font-size:29px!important}.organizer{padding-top:15px}.property-table th small{font-size:13px}.journey button{font-size:15px;min-height:44px}.header-actions #install{display:none}.header-actions{gap:5px}.header-actions button{font-size:12px;padding:7px}.brand{font-size:16px}.row-prompt{padding:25px 0}.numberline-scene{min-height:350px}.comparison-line{min-height:250px}.paired-graphs{min-height:270px}.primary{min-width:0}.paper-record{font-size:17px;grid-template-columns:85px 1fr}.table-scene{width:100%}.large-table{width:200px}.table-changes{font-size:16px}.takeaway{font-size:16px}.progress-area{font-size:13px}.distance-intro svg{min-height:170px}.controls #pause{bottom:60px}.property-table th:first-child{width:44%}dialog{padding:22px;font-size:16px}}
@media(max-width:460px){.app{padding:0 12px}.brand{font-size:15px}.header-actions #fullscreen{font-size:0;min-width:42px}.header-actions #fullscreen:after{content:'⛶';font-size:23px}.source-tabs{gap:4px}.source-tabs button{font-size:13px;min-height:44px}.source-overview{gap:8px}.source-overview article{padding:10px}.source-overview h2{font-size:14px;line-height:1.3}.source-overview p{font-size:17px}.source-overview .big-equation{font-size:23px!important}.property-table th:first-child{font-size:15px;width:45%}.property-table th small{font-size:11px}.property-table{font-size:26px}.paper-record{font-size:16px}.controls button{font-size:14px;padding:10px}.question-symbol{width:65px;height:65px;font-size:45px}.row-prompt h2{font-size:23px}.row-prompt p{font-size:19px}.source-result{font-size:17px}.value-pair{gap:10px}.value-pair div{padding:12px}.value-pair strong{font-size:26px}.value-pair small{font-size:14px}.table-changes{font-size:14px}.large-table{width:170px;font-size:26px}.large-table td,.large-table th{padding:10px}.calculation{font-size:26px;gap:10px}.journey{justify-content:space-between;gap:0}.journey button{font-size:13px}}
/* Fixed teaching canvas: keep evidence and controls clear of one another. */
.focus-heading,.takeaway{flex-shrink:0}.visual{flex:1 1 0;min-height:0}.numberline-scene{height:auto;max-height:100%;flex:1;align-self:stretch}.comparison-line{height:0;min-height:0;flex:1 1 0}.answer-banner{flex-shrink:0}.property-table th,.property-table td{padding-top:10px;padding-bottom:10px}.table-note{margin:12px 0}.source-overview{grid-template-rows:minmax(0,1.25fr) minmax(0,.75fr)}.source-overview .graph{width:100%;height:100%;max-height:100%}.slope-step-diagram{width:100%;height:100%;min-height:0}.slope-step-diagram text{fill:#fff;font:18px Arial;paint-order:stroke;stroke:#000;stroke-width:3px}.slope-step-diagram .point-label{font-size:19px}.slope-step-diagram .step-label{font-size:17px}.slope-step-diagram .change-label{fill:var(--gold);font-size:23px;font-weight:700}.step-line{stroke:var(--gold);stroke-width:3;opacity:.45;fill:none}.steepness-bridge .paired-graphs{max-height:330px}.takeaway{min-height:0}.property-table .quiet-row{opacity:.53}.comparison-lane.unselected{opacity:.5}
@media(max-height:790px) and (min-width:821px){.property-table th,.property-table td{padding-top:7px;padding-bottom:7px}.property-table th:first-child{font-size:16px}.property-table th small{font-size:12px;margin-top:4px}.property-table thead th{padding:8px 5px}.organizer-heading h2{font-size:20px}.organizer-heading p{font-size:14px;margin-bottom:8px}.organizer{padding-top:4px}.paper{padding:10px 12px;margin-top:2px}.paper-record{font-size:15px;line-height:1.25;gap:5px 9px;margin-top:8px}.table-note{margin:8px 0;font-size:14px}.paper .eyebrow{font-size:11px}.takeaway{font-size:14px;line-height:1.35;margin-top:10px}.answer-banner{margin-top:7px}.comparison-label{font-size:13px;margin-bottom:4px}.source-overview h2{font-size:14px;margin-bottom:7px}.source-overview .input-table{font-size:16px}.source-overview .input-table td,.source-overview .input-table th{padding:3px}.source-overview .big-equation{font-size:27px!important}.source-overview p{font-size:18px;margin:4px 0}.practice-tools{margin-bottom:7px}.source-tabs button{min-height:36px}.source-label{padding:5px 0 7px}.source-result{margin:5px 0}.steepness-bridge .paired-graphs{max-height:280px}}
@media(max-width:820px){.numberline-scene{min-height:390px;max-height:none}.comparison-line{min-height:260px;height:260px;flex:none}.source-overview{grid-template-rows:minmax(200px,1.25fr) minmax(150px,.75fr)}footer{position:fixed;left:0;right:0;padding:10px 16px}.app{padding-bottom:115px}.source-tabs button{min-height:44px}.header-actions button{min-height:44px}.steepness-bridge .paired-graphs{height:300px;min-height:300px;flex:none}.paper-record{font-size:17px}.property-table th,.property-table td{padding-top:13px;padding-bottom:13px}}

/* Predictable teacher controls; readable small-screen comparison order. */
.primary{width:300px;min-width:300px}.enlarge-graph{position:absolute;right:8px;bottom:8px;min-height:38px;padding:7px 10px;font-size:13px;background:#281e0e;border-color:#8f6b31}.source-overview article:has(.enlarge-graph) .graph{padding-bottom:22px}.graph .tick-label{paint-order:stroke;stroke:#000;stroke-width:4px;stroke-linejoin:round}
@media(max-width:1100px) and (min-width:821px){.primary{width:280px;min-width:280px}}
@media(max-width:820px){.primary{width:auto;min-width:0}body[data-kind="compare"] .focus{display:contents}body[data-kind="compare"] .focus-heading{grid-row:1}body[data-kind="compare"] .organizer{grid-row:2}body[data-kind="compare"] .visual{grid-row:3}body[data-kind="compare"] .takeaway{grid-row:4}body[data-kind="compare"] main{gap:12px}body[data-kind="compare"] .organizer{padding-top:12px}body[data-kind="compare"] .property-table th,body[data-kind="compare"] .property-table td{padding-top:10px;padding-bottom:10px}.enlarge-graph{min-height:44px}}

#graph-dialog{width:min(850px,calc(100% - 24px));max-width:850px;padding:20px 26px}#graph-dialog>p{margin:8px 0}#large-graph{height:calc(90dvh - 140px);min-height:250px}#large-graph .graph{max-height:none;width:100%;height:100%}#large-graph .graph text{font-size:19px}#large-graph .graph-dot{r:6px}#graph-dialog .dialog-heading h2{font-size:24px}

.intercept-intro{width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;min-height:0}.intercept-intro svg{width:100%;flex:1;min-height:0;max-height:350px}.intercept-intro text{fill:#fff;font:21px Arial}.intercept-intro .intercept-big{fill:var(--gold);font-size:31px;font-weight:bold}.intercept-intro p{text-align:center;font-size:21px;line-height:1.4;margin:10px 0}.row-prompt .use-row{font-size:14px;color:var(--gold);margin-bottom:12px;letter-spacing:.6px}.movement-svg text{font:18px Arial;fill:white}.movement-svg .move-right{font-size:15px}.movement-svg .move-direction{font-size:17px;fill:var(--gold)}.movement-svg .move-total{font-size:23px;fill:var(--gold);font-weight:bold}.paper-download{color:var(--gold);font-weight:bold}.row-prompt h2{font-size:clamp(25px,2.4vw,35px)}
@media(max-height:790px) and (min-width:821px){.row-prompt{padding:0}.row-prompt .question-symbol{height:52px;width:52px;font-size:36px;margin-bottom:10px}.row-prompt h2{font-size:26px;margin-bottom:10px}.row-prompt p{font-size:19px}.intercept-intro p{font-size:18px}.paper p{font-size:15px;line-height:1.35}.property-table th small{font-size:11px}}
@media(max-width:820px){.intercept-intro{min-height:350px}.intercept-intro svg{height:260px;flex:none}.row-prompt .question-symbol{display:none}.row-prompt{padding:15px 0}}
@media(min-width:821px){body[data-kind="practice"] .source-overview{grid-template-rows:minmax(0,1.1fr) minmax(0,.9fr)}}