/* Geometry M01-T01-L02 — teach-first formal reasoning studio */
.formal-shell{width:min(1840px,96vw);margin:0 auto;padding:clamp(1rem,2vw,2rem) 0 5rem;color:var(--ink,#141b36)}
.formal-hero{position:relative;overflow:hidden;margin-top:1rem;padding:clamp(1.4rem,3vw,3rem);border:1px solid color-mix(in srgb,var(--course,#168a72) 24%,transparent);border-radius:24px;background:linear-gradient(135deg,#0a1128 0%,#111d3d 62%,#0b3a38 145%);color:#eef1fa;box-shadow:0 24px 60px rgba(20,27,54,.16)}
.formal-hero:before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(79,216,176,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(79,216,176,.07) 1px,transparent 1px);background-size:32px 32px;mask-image:linear-gradient(90deg,#000,transparent 82%)}
.formal-hero__topline,.formal-hero__grid{position:relative;z-index:1}
.formal-hero__topline{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:clamp(1.6rem,4vw,3.5rem)}
.formal-backlink{color:#c3cbe3;font-weight:700;text-decoration:none}.formal-backlink:hover{text-decoration:underline;color:#fff}
.display-toggle,.quiet-button{min-height:44px;border:1px solid rgba(255,255,255,.25);border-radius:999px;background:rgba(255,255,255,.07);color:inherit;padding:.65rem 1rem;font-weight:750;cursor:pointer}
.display-toggle[aria-pressed="true"]{background:#4fd8b0;color:#0a0e1f;border-color:#4fd8b0}
.formal-hero__grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(360px,.9fr);align-items:end;gap:clamp(2rem,6vw,7rem)}
.formal-hero .eyebrow{display:block;margin-bottom:.85rem;color:#7ee6c7;font:700 .76rem/1.3 "JetBrains Mono",monospace;letter-spacing:.14em;text-transform:uppercase}
.formal-hero h1{max-width:13ch;margin:0;font:700 clamp(3rem,6vw,6.8rem)/.9 "Cormorant Garamond",Georgia,serif;letter-spacing:-.045em;color:#fff;text-wrap:balance}
.formal-hero h1 em{background:none!important;background-clip:border-box!important;-webkit-background-clip:border-box!important;-webkit-text-fill-color:#7ee6c7!important;color:#7ee6c7!important;font-weight:700}.formal-lede{max-width:650px;margin:1.35rem 0 1.25rem;color:#d7def0;font-size:clamp(1.05rem,1.4vw,1.3rem);line-height:1.65}
.formal-tags{display:flex;gap:.5rem;flex-wrap:wrap}.formal-tags span{border:1px solid rgba(126,230,199,.28);border-radius:999px;background:rgba(126,230,199,.08);padding:.35rem .65rem;color:#bff4e3;font:700 .72rem "JetBrains Mono",monospace}
.truth-blueprint{position:relative;padding:clamp(1.25rem,3vw,2rem);border:1px solid rgba(255,255,255,.15);border-radius:20px;background:rgba(5,7,15,.52);box-shadow:inset 0 1px rgba(255,255,255,.08)}
.truth-blueprint p{margin:0 0 .5rem;color:#7ee6c7;font:700 .72rem "JetBrains Mono",monospace;letter-spacing:.15em;text-transform:uppercase}.truth-blueprint>strong{display:block;max-width:22ch;font:650 clamp(1.35rem,2.3vw,2.15rem)/1.15 "Space Grotesk",sans-serif;color:#fff}
.truth-blueprint ol{display:grid;grid-template-columns:repeat(6,1fr);gap:.35rem;margin:1.5rem 0 0;padding:1.25rem 0 0;border-top:1px solid rgba(255,255,255,.14);list-style:none}.truth-blueprint li{position:relative;color:#c3cbe3;font:650 .68rem "JetBrains Mono",monospace;text-align:center}.truth-blueprint li:before{content:"";display:block;width:10px;height:10px;margin:0 auto .55rem;border-radius:50%;background:#7ee6c7;box-shadow:0 0 0 4px rgba(126,230,199,.1)}
.lesson-launch,.reasoning-board,.formal-app-section,.lesson-reference,.lesson-exit,.lesson-links{margin-top:clamp(1.25rem,2.5vw,2.4rem);border:1px solid rgba(20,27,54,.1);border-radius:20px;background:#fff;box-shadow:0 10px 36px rgba(20,27,54,.07)}
.lesson-launch{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.8fr);gap:clamp(1.5rem,4vw,4rem);align-items:center;padding:clamp(1.25rem,3vw,2.4rem)}
.section-kicker{display:block;margin-bottom:.45rem;color:#247b67;font:750 .72rem "JetBrains Mono",monospace;letter-spacing:.13em;text-transform:uppercase}.lesson-launch h2,.reasoning-board h2,.formal-app-section h2,.lesson-reference h2,.lesson-exit h2,.lesson-links h2{margin:0;color:#141b36;font:700 clamp(1.6rem,2.7vw,2.55rem)/1.1 "Space Grotesk",sans-serif}.lesson-launch>div>p{max-width:70ch;margin:.9rem 0 0;color:#4b5674;font-size:1.05rem;line-height:1.7}
.launch-example{padding:1.2rem 1.3rem;border-left:4px solid #247b67;border-radius:0 14px 14px 0;background:#edf8f5}.launch-example>span{color:#247b67;font:750 .7rem "JetBrains Mono",monospace;text-transform:uppercase;letter-spacing:.1em}.launch-example>p{margin:.45rem 0 .8rem;color:#141b36;font-size:1.12rem;font-weight:700}.launch-example summary{min-height:44px;color:#2456c6;font-weight:750;cursor:pointer}.launch-example details p{margin:.45rem 0 0;color:#46516f;line-height:1.55}
.reasoning-board{padding:clamp(1.2rem,2.5vw,2rem)}.board-heading,.app-heading{display:flex;align-items:end;justify-content:space-between;gap:1rem}.board-progress{min-width:220px;color:#4b5674;font:700 .77rem "JetBrains Mono",monospace;text-align:right}.board-track{width:100%;height:7px;margin-top:.55rem;overflow:hidden;border-radius:999px;background:#e5e8f2}.board-track span{display:block;width:0;height:100%;background:linear-gradient(90deg,#247b67,#4f49d0);transition:width .24s ease}
.reasoning-path{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:.7rem;margin:1.4rem 0 0;padding:0;list-style:none}.reasoning-path button{position:relative;width:100%;min-height:118px;padding:1rem .75rem;border:1px solid rgba(20,27,54,.12);border-radius:14px;background:#f6f7fb;color:#46516f;text-align:left;cursor:pointer}.reasoning-path button>span{display:grid;width:28px;height:28px;margin-bottom:.85rem;place-items:center;border-radius:50%;background:#e6e9f3;color:#394563;font:750 .75rem "JetBrains Mono",monospace}.reasoning-path strong,.reasoning-path small{display:block}.reasoning-path strong{color:#1b2442;font-size:.92rem}.reasoning-path small{margin-top:.28rem;color:#63708e;font-size:.73rem}.reasoning-path button[disabled]{opacity:.58;cursor:not-allowed}.reasoning-path li[data-state="current"] button{border-color:#4f49d0;background:#efeffb;box-shadow:0 0 0 3px rgba(79,73,208,.1)}.reasoning-path li[data-state="current"] button>span{background:#4f49d0;color:#fff}.reasoning-path li[data-state="complete"] button{border-color:rgba(36,123,103,.3);background:#edf8f5}.reasoning-path li[data-state="complete"] button>span{background:#247b67;color:#fff}.reasoning-path li[data-state="complete"] button>span:after{content:"✓"}.reasoning-path li[data-state="complete"] button>span{font-size:0}.reasoning-path li[data-state="complete"] button>span:after{font-size:.8rem}
.formal-app-section{padding:clamp(1.2rem,2.5vw,2rem)}.app-heading{margin-bottom:1.25rem}.quiet-button{border-color:rgba(20,27,54,.16);background:#fff;color:#394563}.quiet-button:hover{background:#f1f3f9}
.station-shell{overflow:hidden;border:1px solid rgba(20,27,54,.12);border-radius:18px;background:#f8f9fc}.station-header{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1rem;align-items:start;padding:clamp(1.2rem,3vw,2rem);background:linear-gradient(120deg,#101c3c,#13274c);color:#eef1fa}.station-number{display:block;margin-bottom:.45rem;color:#7ee6c7;font:700 .72rem "JetBrains Mono",monospace;letter-spacing:.12em;text-transform:uppercase}.station-header h3{margin:0;color:#fff;font:700 clamp(1.8rem,3vw,3.1rem)/1.05 "Space Grotesk",sans-serif}.station-header p{max-width:72ch;margin:.65rem 0 0;color:#cbd3e8;font-size:1.02rem;line-height:1.6}.station-time{border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:.55rem .8rem;white-space:nowrap;color:#dfe5f4;font:700 .72rem "JetBrains Mono",monospace}
.cycle-map{display:grid;grid-template-columns:repeat(5,1fr);margin:0;padding:0;border-bottom:1px solid rgba(20,27,54,.1);background:#fff;list-style:none}.cycle-map li{padding:.8rem .55rem;color:#65708c;font:700 .72rem "JetBrains Mono",monospace;text-align:center}.cycle-map li+li{border-left:1px solid rgba(20,27,54,.08)}.cycle-map li:before{display:inline-grid;width:21px;height:21px;margin-right:.4rem;place-items:center;border-radius:50%;background:#e9ebf3;color:#394563;content:attr(data-step)}
.station-body{display:grid;gap:1rem;padding:clamp(1rem,2.5vw,1.8rem)}.cycle-card{overflow:hidden;border:1px solid rgba(20,27,54,.1);border-radius:15px;background:#fff}.cycle-card__head{display:flex;gap:.85rem;align-items:center;padding:1rem 1.15rem;border-bottom:1px solid rgba(20,27,54,.08);background:#fbfbfd}.cycle-badge{display:grid;flex:0 0 34px;height:34px;place-items:center;border-radius:10px;background:#e9f7f3;color:#247b67;font:800 .78rem "JetBrains Mono",monospace}.cycle-card__head h4{margin:0;color:#1b2442;font:750 1.08rem "Space Grotesk",sans-serif}.cycle-card__head p{margin:.15rem 0 0;color:#65708c;font-size:.82rem}.cycle-content{padding:clamp(1rem,2vw,1.35rem)}.cycle-content>p:first-child{margin-top:0}.cycle-content p,.cycle-content li{color:#44506d;line-height:1.65}.cycle-content strong{color:#141b36}.teach-rule{display:grid;grid-template-columns:auto 1fr;gap:.9rem;align-items:start;margin:1rem 0 0;padding:1rem;border-left:4px solid #4f49d0;background:#efeffb}.teach-rule span{display:grid;width:34px;height:34px;place-items:center;border-radius:50%;background:#4f49d0;color:#fff;font:800 .8rem "JetBrains Mono",monospace}.teach-rule p{margin:0;color:#273252;font-weight:650}.source-correction{margin-top:1rem;padding:.85rem 1rem;border:1px solid #e3c66c;border-radius:10px;background:#fff9e6;color:#66521b;font-size:.9rem}
.worked-example{display:grid;grid-template-columns:minmax(0,.85fr) minmax(320px,1.15fr);gap:1rem}.example-copy,.interactive-workspace{padding:1rem;border-radius:12px}.example-copy{background:#f4f6fb}.example-copy blockquote{margin:.7rem 0;padding:.8rem 1rem;border-left:3px solid #247b67;background:#fff;color:#1c2746;font-weight:700}.reasoning-equation{display:flex;gap:.7rem;align-items:stretch;margin-top:.9rem}.reasoning-part{flex:1;padding:.9rem;border:1px solid rgba(20,27,54,.12);border-radius:10px;background:#fff}.reasoning-part span{display:block;margin-bottom:.35rem;color:#65708c;font:700 .68rem "JetBrains Mono",monospace;text-transform:uppercase}.reasoning-part strong{display:block;color:#1b2442}.interactive-workspace{border:1px solid rgba(36,123,103,.18);background:#f7fcfa}.workspace-title{display:block;margin-bottom:.7rem;color:#247b67;font:750 .7rem "JetBrains Mono",monospace;text-transform:uppercase;letter-spacing:.1em}
.model-steps{display:grid;gap:.55rem;margin:.8rem 0 0;padding:0;list-style:none}.model-steps li{display:grid;grid-template-columns:29px 1fr;gap:.65rem;align-items:start;padding:.7rem;border-radius:9px;background:#fff}.model-steps li span{display:grid;width:25px;height:25px;place-items:center;border-radius:50%;background:#1b2442;color:#fff;font:750 .7rem "JetBrains Mono",monospace}
.practice-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(300px,.95fr);gap:1rem}.prompt-card{padding:1rem;border-radius:12px;background:#f5f7fb}.prompt-card>p:first-child{margin-top:0;color:#18213f;font-weight:700}.control-stack{display:grid;gap:.85rem}.field-label{display:grid;gap:.4rem;color:#303b59;font-weight:700}.field-label small{font-weight:500;color:#65708c}.field-label select,.field-label textarea,.field-label input[type="text"]{width:100%;min-height:46px;border:1px solid #aeb6cb;border-radius:9px;background:#fff;color:#141b36;padding:.7rem .8rem;font:inherit}.field-label textarea{min-height:94px;resize:vertical}.choice-grid{display:grid;gap:.55rem}.choice-button,.action-button,.secondary-action{min-height:46px;border-radius:9px;padding:.7rem .9rem;font-weight:750;cursor:pointer}.choice-button{border:1px solid #b9c0d2;background:#fff;color:#25304f;text-align:left}.choice-button:hover,.choice-button[aria-pressed="true"]{border-color:#4f49d0;background:#efeffb}.action-button{border:1px solid #4f49d0;background:#4f49d0;color:#fff}.action-button:hover{background:#3e39af}.action-button:disabled{opacity:.5;cursor:not-allowed}.secondary-action{border:1px solid #9fa8be;background:#fff;color:#33405f}.button-row{display:flex;flex-wrap:wrap;gap:.65rem;margin-top:.85rem}
.feedback-card{display:none;margin-top:.85rem;padding:1rem;border:1px solid transparent;border-radius:11px}.feedback-card[data-visible="true"]{display:block}.feedback-card h5{margin:0 0 .35rem;font:750 .95rem "Space Grotesk",sans-serif}.feedback-card p{margin:.25rem 0;line-height:1.55}.feedback-card[data-tone="success"]{border-color:#74b7a7;background:#edf8f5;color:#164f42}.feedback-card[data-tone="reteach"]{border-color:#d6b85e;background:#fff9e6;color:#5e4c19}.feedback-card[data-tone="error"]{border-color:#d98ba4;background:#fff0f5;color:#7d2140}.feedback-steps{margin:.6rem 0 0;padding-left:1.2rem}.feedback-steps li{color:inherit}
.mastery-panel{border:1px solid rgba(79,73,208,.2);background:#f3f2fd}.mastery-panel .cycle-card__head{background:#ecebfa}.mastery-lock{display:flex;gap:.7rem;align-items:start;padding:.8rem 1rem;border-radius:10px;background:#fff}.mastery-lock span{color:#4f49d0;font-weight:900}.transfer-sentence{margin-top:1rem;padding:1rem;border:1px dashed #8f99b3;border-radius:10px;background:#fff;color:#394563}.transfer-sentence strong{display:block;margin-bottom:.35rem;color:#1b2442}.station-complete{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-top:1rem;padding:1rem;border-radius:12px;background:#eaf7f3}.station-complete p{margin:0;color:#285a4f}.station-complete[hidden]{display:none}
.svg-stage{display:block;width:100%;height:auto;min-height:280px;border:1px solid rgba(20,27,54,.1);border-radius:12px;background:#fff}.svg-stage text{font-family:"JetBrains Mono",monospace;fill:#1b2442}.svg-stage .grid{stroke:#e4e7ef;stroke-width:1}.svg-stage .axis{stroke:#72809d;stroke-width:2}.svg-stage .main-line{stroke:#25304f;stroke-width:4;stroke-linecap:round}.svg-stage .guide-line{stroke:#247b67;stroke-width:3;stroke-dasharray:7 5;fill:none}.svg-stage .accent-line{stroke:#4f49d0;stroke-width:4;fill:none}.svg-stage .gold-line{stroke:#a87b16;stroke-width:4;fill:none}.svg-stage .point{fill:#4f49d0;stroke:#fff;stroke-width:3}.svg-stage .point-c{fill:#a87b16}.readout-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem;margin-top:.7rem}.readout-grid div{padding:.65rem;border-radius:8px;background:#fff;text-align:center}.readout-grid span,.readout-grid strong{display:block}.readout-grid span{color:#65708c;font-size:.7rem}.readout-grid strong{margin-top:.2rem;font:750 .9rem "JetBrains Mono",monospace}
.truth-table{width:100%;border-collapse:separate;border-spacing:0 .4rem}.truth-table th{padding:.45rem;color:#65708c;font:700 .72rem "JetBrains Mono",monospace;text-align:center}.truth-table td{padding:.75rem;border-top:1px solid #e0e3ec;border-bottom:1px solid #e0e3ec;background:#fff;color:#25304f;font:750 .84rem "JetBrains Mono",monospace;text-align:center}.truth-table td:first-child{border-left:1px solid #e0e3ec;border-radius:9px 0 0 9px}.truth-table td:last-child{border-right:1px solid #e0e3ec;border-radius:0 9px 9px 0}.truth-table tr[data-selected="true"] td{border-color:#4f49d0;background:#efeffb}.truth-table tr[data-falsifies="true"] td:last-child{color:#a91f50}
.classification-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem}.class-card{padding:1rem;border-top:4px solid #247b67;border-radius:10px;background:#f5f7fb}.class-card:nth-child(2){border-color:#4f49d0}.class-card:nth-child(3){border-color:#a87b16}.class-card h5{margin:0;color:#1b2442;font:750 1rem "Space Grotesk",sans-serif}.class-card p{margin:.45rem 0 0;color:#55617e;font-size:.88rem}
.proof-table{width:100%;border-collapse:collapse}.proof-table th,.proof-table td{border:1px solid #d9dde8;padding:.75rem;text-align:left}.proof-table th{background:#182442;color:#fff;font:700 .75rem "JetBrains Mono",monospace}.proof-table td:first-child{width:56%;color:#1b2442;font-weight:650}.proof-table select{width:100%;min-height:42px;border:1px solid #9da7bd;border-radius:7px;background:#fff;color:#141b36;padding:.45rem}
.surface-toggle{display:flex;gap:.5rem;margin-bottom:.8rem}.surface-toggle button{flex:1;min-height:44px;border:1px solid #aeb6ca;border-radius:8px;background:#fff;color:#2f3a58;font-weight:750;cursor:pointer}.surface-toggle button[aria-pressed="true"]{border-color:#4f49d0;background:#4f49d0;color:#fff}.surface-caption{margin:.65rem 0 0;color:#4c5875;font-size:.88rem;line-height:1.55}
.reasoning-summary{padding:clamp(1.3rem,3vw,2.2rem);border-radius:16px;background:linear-gradient(130deg,#0f1b39,#17324b);color:#eef1fa}.reasoning-summary h4{margin:0 0 .65rem;color:#fff;font:750 clamp(1.5rem,2.6vw,2.4rem) "Space Grotesk",sans-serif}.reasoning-summary p{max-width:76ch;margin:.45rem 0;color:#d2d9ea}.reasoning-summary ol{display:grid;grid-template-columns:repeat(6,1fr);gap:.5rem;margin:1.2rem 0 0;padding:0;list-style:none}.reasoning-summary li{padding:.75rem;border:1px solid rgba(255,255,255,.13);border-radius:9px;background:rgba(255,255,255,.05);color:#e6ebf7;font-size:.78rem;text-align:center}
.lesson-reference,.lesson-exit{display:grid;grid-template-columns:minmax(260px,.42fr) minmax(0,1fr);gap:clamp(1.5rem,4vw,4rem);padding:clamp(1.25rem,3vw,2.4rem)}.reference-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem;margin:0}.reference-grid div{padding:.9rem 1rem;border-left:3px solid #247b67;background:#f6f8fb}.reference-grid dt{color:#1b2442;font-weight:800}.reference-grid dd{margin:.25rem 0 0;color:#55617e;line-height:1.5}.reference-grid small{color:#247b67}.lesson-exit{background:linear-gradient(140deg,#fbfbfd,#edf5f3)}.lesson-exit>div>p{color:#55617e}.lesson-exit ol{margin:0;padding-left:1.35rem}.lesson-exit li{padding:.65rem;color:#303b59;line-height:1.55}.lesson-exit li+li{border-top:1px solid rgba(20,27,54,.09)}
.lesson-links{display:grid;grid-template-columns:repeat(2,1fr);overflow:hidden}.lesson-links article{padding:clamp(1.25rem,3vw,2.2rem)}.lesson-links article+article{border-left:1px solid rgba(20,27,54,.1)}.lesson-links article>span{color:#247b67;font:700 .7rem "JetBrains Mono",monospace;text-transform:uppercase;letter-spacing:.1em}.lesson-links p{color:#55617e}.footer-attribution{max-width:1100px;margin:2rem auto 0;color:#65708c;font-size:.82rem;text-align:center}
.fallback-card{padding:1.5rem;border:1px solid #d7dce8;border-radius:12px;background:#fff}.fallback-card h3{margin-top:0}
body.formal-display .formal-shell{width:min(1880px,98vw)}body.formal-display .formal-hero h1{font-size:clamp(4.5rem,7vw,8rem)}body.formal-display .station-header h3{font-size:clamp(2.5rem,4vw,4rem)}body.formal-display .cycle-content{font-size:1.15rem}body.formal-display .reasoning-path small{display:none}body.formal-display .reasoning-path button{min-height:100px}
button:focus-visible,a:focus-visible,summary:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #4f49d0!important;outline-offset:3px}
@media(max-width:1180px){.reasoning-path{grid-template-columns:repeat(3,1fr)}.formal-hero__grid{grid-template-columns:1fr 420px}.worked-example,.practice-grid{grid-template-columns:1fr}.reasoning-summary ol{grid-template-columns:repeat(3,1fr)}}
@media(max-width:820px){.formal-shell{width:min(100% - 1rem,1840px)}.formal-hero__grid,.lesson-launch,.lesson-reference,.lesson-exit{grid-template-columns:1fr}.formal-hero__grid{gap:2rem}.truth-blueprint{max-width:none}.reasoning-path{grid-template-columns:repeat(2,1fr)}.board-heading,.app-heading{align-items:flex-start;flex-direction:column}.board-progress{width:100%;text-align:left}.classification-grid{grid-template-columns:1fr}.lesson-links{grid-template-columns:1fr}.lesson-links article+article{border-left:0;border-top:1px solid rgba(20,27,54,.1)}.cycle-map{grid-template-columns:1fr}.cycle-map li{text-align:left}.cycle-map li+li{border-left:0;border-top:1px solid rgba(20,27,54,.08)}.worked-example{grid-template-columns:1fr}.station-header{grid-template-columns:1fr}.station-time{justify-self:start}.reference-grid{grid-template-columns:1fr}}
@media(max-width:520px){.formal-shell{width:min(100% - .65rem,1840px);padding-bottom:3rem}.formal-hero{padding:1.1rem;border-radius:17px}.formal-hero__topline{align-items:flex-start;flex-direction:column;margin-bottom:2rem}.formal-hero h1{font-size:clamp(2.75rem,16vw,4.6rem)}.truth-blueprint ol{grid-template-columns:repeat(3,1fr);row-gap:1rem}.reasoning-board,.formal-app-section{padding:.8rem}.reasoning-path{grid-template-columns:1fr}.reasoning-path button{display:grid;grid-template-columns:36px 1fr;min-height:72px;align-items:center}.reasoning-path button>span{grid-row:1/3;margin:0}.reasoning-path small{margin-top:.1rem}.station-body{padding:.7rem}.cycle-card__head,.cycle-content{padding:.85rem}.reasoning-equation{flex-direction:column}.button-row{flex-direction:column}.button-row button{width:100%}.readout-grid{grid-template-columns:1fr}.reference-grid{grid-template-columns:1fr}.lesson-launch,.lesson-reference,.lesson-exit,.lesson-links article{padding:1rem}.proof-table{font-size:.82rem}.proof-table th,.proof-table td{padding:.5rem}.station-complete{align-items:stretch;flex-direction:column}.reasoning-summary ol{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
@media(forced-colors:active){.formal-hero,.station-header,.reasoning-summary{forced-color-adjust:none}.choice-button[aria-pressed="true"],.surface-toggle button[aria-pressed="true"]{outline:3px solid ButtonText}.feedback-card{border-width:2px}.reasoning-path li[data-state="current"] button{outline:3px solid Highlight}}
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