:root{color-scheme:dark;--bg:#121518;--surface:#1e2328;--raised:#272d33;--line:#414b53;--text:#f3f3ed;--muted:#b8c2ca;--red:#df2d3e;--red-dark:#a91727;--gold:#f5d28a;--green:#a1e0b6;--blue:#add7ec;font:16px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:inherit}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 17px;border:1px solid #59656e;border-radius:8px;background:#2a3239;color:var(--text);text-decoration:none;font-size:14px;font-weight:650;line-height:1.4}button:hover,.button:hover{background:#37414a}button:disabled{opacity:.46;cursor:default}button.primary,.button.primary{background:var(--red);border-color:#f15b68;color:white}button.primary:hover,.button.primary:hover{background:#ee3b4d}.quiet{background:transparent}button.selected,button[aria-pressed=true]{border-color:var(--gold);background:#403a2e}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #f7d891;outline-offset:3px}[hidden]{display:none!important}input,select,textarea{color:var(--text);background:#12181d;border:1px solid #60707d;border-radius:7px;padding:11px 12px;min-height:46px;max-width:100%;font-size:16px}textarea{width:100%;min-height:130px;resize:vertical}input[type=checkbox]{width:20px;min-height:20px;accent-color:var(--red)}input[type=range]{padding:0;min-height:44px;width:100%;accent-color:var(--red)}label{display:block;font-size:14px;color:#d5dce1}input[type=number]{max-width:180px}p{margin:0 0 16px}h1,h2,h3,h4{line-height:1.18;letter-spacing:-.025em;margin:0 0 15px}h1{font-size:clamp(30px,4.5vw,52px)}h2{font-size:clamp(24px,3vw,32px)}h3{font-size:21px}h4{font-size:17px}ul,ol{padding-left:22px}li+li{margin-top:7px}small{font-size:12px}.muted{color:var(--muted)}.eyebrow{font:700 11px/1.4 system-ui,sans-serif;letter-spacing:1.8px;text-transform:uppercase;color:var(--muted);margin:0 0 10px}.number{font-variant-numeric:tabular-nums;font-family:ui-monospace,monospace}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.between{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}.stack>*+*{margin-top:14px}.panel{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:23px}.notice{border-left:3px solid var(--gold);padding:12px 16px;background:#302e26;color:#f5e5c0;border-radius:0 7px 7px 0;font-size:14px}.success{background:#183125;border-color:#76b58c;color:#c8efcf}.error{color:#ffb8bd;border-color:#e56d7b}.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 9px;border-radius:5px;background:#333b43;color:#d5e2ea;font-size:11px;font-weight:650;line-height:1.4}.pill.green{background:#244333;color:#bcf0cc}.pill.gold{background:#473c28;color:#fbe0a6}.pill.red{background:#48222b;color:#ffb8c0}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.section{margin-top:32px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:15px;margin-bottom:18px}.section-heading h2{margin:0}.section-heading a{font-size:14px;color:#dce4e9}.cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.full{grid-column:1/-1}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.skip{position:absolute;left:10px;top:-90px;padding:12px;background:#fff;color:#111;z-index:200}.skip:focus{top:8px}.site-header{background:#191d21;border-bottom:1px solid #444d55}.header-inner{max-width:1240px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px 28px}.brand{font-size:29px;line-height:.95;font-style:italic;font-weight:900;letter-spacing:-1.2px;text-decoration:none;color:#f5f3ec}.brand span{display:block;font-size:10px;font-style:normal;letter-spacing:3px;font-weight:700;margin-top:8px;color:#e14b59}.header-right{display:flex;align-items:center;gap:14px}.xp{font:750 17px/1.2 ui-monospace,monospace;color:#f1d7a3;white-space:nowrap}.profile-button{font-size:12px;min-height:40px;padding:8px 12px;max-width:150px;overflow:hidden;text-overflow:ellipsis}#desktop-nav{max-width:1240px;margin:auto;padding:0 28px;display:flex;gap:5px}#desktop-nav a{padding:13px 17px;text-decoration:none;font-size:13px;font-weight:650;border-bottom:3px solid transparent;color:#b9c4cd}#desktop-nav a[aria-current=page]{color:#fff;border-bottom-color:var(--red);background:#252a30}#main{max-width:1240px;margin:auto;padding:28px;min-height:60vh}.site-footer{max-width:1184px;margin:20px auto 0;padding:22px 0 28px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:11px;color:#aab5bd;border-top:1px solid #353e46}#mobile-nav{display:none}.hero{position:relative;min-height:405px;isolation:isolate;border:1px solid #495159;border-radius:14px;overflow:hidden;padding:44px;background:#111820}.hero-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:right 42%;z-index:-2}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#10161cf2 0%,#10161ceb 35%,#10161c66 67%,#10161c0a);z-index:-1}.hero-copy{max-width:530px}.hero h1{font-size:clamp(38px,5.5vw,65px);line-height:1.02;letter-spacing:-2px;max-width:540px;margin-top:22px}.hero p{color:#c8d2d9;max-width:390px;font-size:15px}.hero .eyebrow{font-size:11px;color:#edd5c0;letter-spacing:1.5px}.hero h1 em{font-style:normal;color:#f0505d}.hero .button{margin-top:8px}.hero-bottom{position:absolute;bottom:20px;right:22px;text-align:right;color:#e4ded0;font:600 10px/1.7 ui-monospace,monospace;letter-spacing:1.2px}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:20px 0 28px}.stat{padding:16px 20px;background:#20272d;border-radius:9px;display:flex;align-items:center;gap:14px}.stat strong{font-size:27px;font-family:ui-monospace,monospace;color:#e8e8dc}.stat span{font-size:12px;color:#bcc8d1}.course-card{display:block;color:inherit;text-decoration:none;background:#20262c;border:1px solid #414a52;border-radius:12px;overflow:hidden;transition:border-color .15s,transform .15s}.course-card:hover{border-color:#8d9aa5;transform:translateY(-2px)}.card-image{height:150px;position:relative;overflow:hidden;background:#242c34}.card-image img{width:100%;height:100%;object-fit:cover;transition:transform .2s}.card-image:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent,#111a2280)}.card-image .pill{position:absolute;bottom:12px;left:14px;z-index:1;background:#12191de8}.card-copy{padding:20px}.card-copy h3{font-size:19px;margin-bottom:9px}.card-copy p{font-size:13px;color:#c3cdd4;margin-bottom:15px}.card-meta{font-size:11px;display:flex;justify-content:space-between;gap:10px;color:#bac4cc}.progress-track{height:5px;background:#434c52;border-radius:5px;overflow:hidden;margin-top:14px}.progress-track span{height:100%;display:block;background:#e53c4b}.task-tile{background:linear-gradient(115deg,#392329,#24292e);border:1px solid #7b424b;padding:25px;border-radius:12px}.task-tile p{color:#ccd3d8;font-size:14px}.tool-line{height:7px;margin:22px -23px 15px;background:linear-gradient(#eee,#737f87 50%,#c1c7cd 60%,#4c565f)}.intro{margin-bottom:24px;max-width:800px}.intro>p{color:#c1cbd2;font-size:15px}.search-row{display:flex;gap:12px;margin-bottom:22px;flex-wrap:wrap}.search-row input{flex:1;min-width:200px}.search-row select{max-width:230px}.list{display:grid;gap:10px}.lesson-link{display:flex;align-items:center;justify-content:space-between;gap:15px;background:#222930;border:1px solid #424d56;border-radius:8px;padding:17px 19px;text-decoration:none}.lesson-link:hover{border-color:#a0aeb9;background:#29323a}.lesson-link strong{display:block;font-size:15px}.lesson-link small{display:block;margin-top:5px;color:#afbec9}.lesson-link .lesson-number{min-width:40px;font-size:17px;font-weight:750;color:#e7616e}.lesson-link .lesson-copy{flex:1}.lesson-link .lesson-arrow{font-size:20px;color:#c7c8c2}.lesson-hero{display:grid;grid-template-columns:1.4fr 1fr;min-height:245px;margin-bottom:24px;overflow:hidden;border-radius:12px;background:#232b33;border:1px solid #48535b}.lesson-hero>div{padding:28px}.lesson-hero h1{font-size:32px}.lesson-hero img{width:100%;height:100%;max-height:320px;object-fit:cover}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:24px;align-items:start}.lesson-article{background:#eae9e1;color:#202a31;padding:32px;border-radius:10px;font-size:16px;line-height:1.75}.lesson-article h2{font-size:24px;margin-top:30px;color:#212b33}.lesson-article h2:first-child{margin-top:0}.lesson-article h3{font-size:19px;margin-top:22px}.lesson-article p{margin-bottom:17px}.lesson-article .eyebrow{color:#52606a}.lesson-article li+li{margin-top:9px}.lesson-article .example{border-left:4px solid #cc3444;background:#dddeda;padding:20px;margin:25px 0;border-radius:0 7px 7px 0}.lesson-article .mistake{border-top:1px solid #b9c0bf;padding-top:16px}.lesson-article .terms{display:grid;grid-template-columns:1fr 1fr;gap:13px}.lesson-article .terms div{background:#d9dedb;border-radius:5px;padding:12px;font-size:14px}.lesson-article .terms b{display:block}.lesson-aside .panel{padding:18px}.lesson-aside h3{font-size:16px}.lesson-aside li{font-size:13px;color:#c8d1d8}.lesson-aside .button{width:100%;margin-top:10px}.source-links{font-size:12px;overflow-wrap:anywhere}.source-links a{color:#b7d9ed}.lesson-footer-actions{display:flex;justify-content:space-between;gap:10px;margin-top:20px;flex-wrap:wrap}.subnav{display:flex;gap:7px;flex-wrap:wrap;margin:20px 0}.subnav button{font-size:12px;min-height:42px}.question-box{max-width:850px;margin:auto}.question-stem{font-size:22px;line-height:1.45;margin:18px 0 22px}.answer-options{display:grid;gap:10px}.answer-option{justify-content:flex-start;text-align:left;width:100%;font-weight:450;padding:15px}.answer-letter{display:grid;place-items:center;width:30px;height:30px;flex-shrink:0;border-radius:5px;background:#10171b;font:700 13px/1 ui-monospace,monospace}.answer-option.correct{border-color:#8ada9c;background:#264636}.answer-option.incorrect{border-color:#d57c83;background:#4b2c34}.answer-feedback{margin:20px 0;padding:18px;border-radius:9px;background:#273930;border:1px solid #669074;font-size:14px}.answer-feedback.wrong{background:#3c2a2e;border-color:#995b64}.answer-feedback p:last-child{margin-bottom:0}.exam-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:20px;flex-wrap:wrap}.timer{font:700 25px/1 ui-monospace,monospace;background:#bfcbb5;color:#243526;border:6px solid #292e32;border-radius:8px;padding:10px 13px}.exam-numbers{display:flex;flex-wrap:wrap;gap:5px}.exam-numbers button{min-width:44px;padding:8px;font:550 12px/1 ui-monospace,monospace}.exam-numbers button.answered{background:#254235;border-color:#5c896d}.exam-numbers button.flagged{box-shadow:inset 0 4px #ebc87e}.exam-numbers button.current{outline:2px solid #f2e0b3}.result-score{font:750 60px/1.1 ui-monospace,monospace;color:#eddda9}.result-table{width:100%;border-collapse:collapse;font-size:14px}.result-table th,.result-table td{text-align:left;padding:12px 8px;border-bottom:1px solid #46515a}.result-table th{color:#c2cbd2;font-size:12px}.case-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px}.case-photo{width:100%;max-height:340px;object-fit:cover;border-radius:10px}.test-button{width:100%;justify-content:space-between;text-align:left;margin-top:9px}.test-result{font-size:14px;padding:13px 15px;background:#131b21;border:1px solid #43515c;border-radius:6px;margin:8px 0}.test-result b{color:var(--gold)}.job-ticket{background:#e5e2d5;color:#273238;border-radius:7px;padding:23px;box-shadow:0 7px 0 #0a1015}.job-ticket .eyebrow{color:#6a655a}.job-ticket h3{font-size:22px}.job-ticket p{font-size:14px}.metric-list{list-style:none;padding:0}.metric-list li{display:flex;align-items:center;justify-content:space-between;gap:10px;border-bottom:1px solid #47535c;padding:10px 0;margin:0;font-size:13px}.metric-list b{font-family:ui-monospace,monospace;color:var(--gold)}.workshop-frame{width:100%;border:0;border-radius:14px;background:#16181b;min-height:1100px}.tool-stage{position:relative;overflow:hidden;border-radius:12px;background:#10191f;border:1px solid #52616d;min-height:310px}.tool-stage svg{display:block;width:100%;height:auto;touch-action:pan-y}.tool-scene-img{width:100%;max-height:280px;object-fit:cover;display:block;opacity:.85}.tool-readout{font:700 30px/1.3 ui-monospace,monospace;background:#c2cfb6;color:#29362c;border:7px solid #262e33;border-radius:9px;padding:13px;text-align:center;font-variant-numeric:tabular-nums}.tool-controls{display:grid;gap:16px;background:linear-gradient(120deg,#b32435,#781729);padding:22px;border:5px solid #d43a4c;border-radius:15px}.tool-controls label{color:#fff5ec}.tool-controls small{color:#f4dce0}.tool-controls input,.tool-controls select{width:100%}.instrument-help{background:#253540;color:#d4e6f2;font-size:13px;padding:13px;border-radius:6px}.drag-piece{touch-action:none;cursor:grab}.drag-piece:active{cursor:grabbing}.tool-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:20px}.journal label{margin-bottom:7px}.achievement{display:flex;gap:13px;align-items:center;padding:15px;background:#2c3132;border:1px solid #5c6053;border-radius:8px}.achievement b{color:#efd89d;font-size:15px}.achievement small{display:block;color:#bec9cd}.achievement .badge-mark{font:800 20px/1 ui-monospace,monospace;background:#483e2d;border:1px solid #87764e;width:48px;height:48px;display:grid;place-items:center;border-radius:50%;color:#f1d692}.term-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.term-card{padding:18px;background:#222b32;border:1px solid #44515b;border-radius:8px}.term-card h3{font-size:17px;margin-bottom:8px}.term-card p{font-size:14px;margin:0;color:#c0cdd6}details{border-top:1px solid #46515b;margin-top:18px}summary{cursor:pointer;min-height:48px;padding:12px 0;font-size:14px;font-weight:650}dialog{background:#202932;color:var(--text);border:1px solid #647582;border-radius:14px;padding:24px;width:calc(100% - 28px);max-width:540px;max-height:90vh;overflow-y:auto}dialog::backdrop{background:#071018cc;backdrop-filter:blur(3px)}dialog h2{font-size:24px}dialog input:not([type=checkbox]){width:100%;margin:8px 0 15px}dialog .profile-choice{width:100%;justify-content:space-between;margin-top:7px}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);max-width:calc(100% - 24px);width:max-content;background:#e6e6db;color:#25312b;padding:13px 20px;border:1px solid #bad3bc;border-radius:9px;box-shadow:0 8px 25px #0005;z-index:500;font-size:14px}.loading-state{padding:70px 10px;text-align:center}.checkbox-line{display:flex;align-items:center;gap:10px;margin:12px 0}.body-small{font-size:13px}.print-only{display:none}.unit-card{padding:15px;border-bottom:1px solid #48545e}.unit-card h4{margin-bottom:7px}.unit-card p{font-size:13px;color:#c1ced6;margin:0}.app-error{padding:30px;background:#39272e;border:1px solid #bf747e;border-radius:10px}.app-error p{overflow-wrap:anywhere}
@media(min-width:1000px){.lesson-aside{position:sticky;top:20px}}
@media(max-width:1000px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.lesson-layout{grid-template-columns:minmax(0,1fr) 220px}.hero{padding:33px}.hero-copy{max-width:460px}.site-footer{margin-left:28px;margin-right:28px}#desktop-nav a{padding:12px 13px}}
@media(max-width:760px){.header-inner{padding:17px 18px}.brand{font-size:25px}.brand span{font-size:9px;letter-spacing:2.5px}.header-right{gap:10px}.xp{font-size:14px}.profile-button{font-size:11px;max-width:120px;padding:8px}.site-header #desktop-nav{display:none}#main{padding:18px 15px 30px}.site-footer{margin:20px 15px 0;padding-bottom:100px;justify-content:flex-start}#mobile-nav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;bottom:0;left:0;right:0;background:#1b2229f8;border-top:1px solid #5d6c77;padding:5px 3px calc(5px + env(safe-area-inset-bottom));z-index:100;backdrop-filter:blur(8px)}#mobile-nav a,#mobile-nav button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;text-decoration:none;font:600 10px/1.2 system-ui,sans-serif;min-height:51px;border:0;border-radius:7px;background:transparent;padding:4px 2px;color:#bac7d1}#mobile-nav a[aria-current=page]{background:#452a34;color:#fff0e2}#mobile-nav .nav-symbol{font:600 20px/1.3 system-ui,sans-serif}#toast{bottom:85px}.hero{min-height:365px;padding:28px 24px}.hero-copy{max-width:380px}.hero h1{font-size:44px;letter-spacing:-1.4px}.hero p{font-size:14px;max-width:300px}.hero-bottom{font-size:9px;right:15px;bottom:14px}.hero:after{background:linear-gradient(90deg,#10161cf2,#10161cba 55%,#10161c55)}.stats{gap:8px}.stat{display:block;padding:12px}.stat strong{display:block;font-size:23px}.stat span{font-size:10px}.cols,.case-layout,.tool-grid{grid-template-columns:1fr}.lesson-layout{display:flex;flex-direction:column}.lesson-aside{width:100%;order:-1}.lesson-aside .lesson-goals{display:none}.lesson-aside>.stack{display:flex;gap:9px}.lesson-aside .button{width:auto;margin:0;flex:1}.lesson-hero{grid-template-columns:1fr 110px}.lesson-hero>div{padding:22px}.lesson-hero h1{font-size:25px}.lesson-hero img{min-height:100%;max-height:none}.lesson-article{padding:23px;font-size:15px}.lesson-article h2{font-size:23px}.panel{padding:20px}.question-stem{font-size:19px}.tool-scene-img{max-height:210px}.cards{gap:12px}.card-copy{padding:16px}.card-copy h3{font-size:18px}.card-image{height:130px}.section-heading{align-items:start}.section-heading h2{font-size:24px}.workshop-frame{min-height:1350px}}
@media(max-width:460px){.cards{grid-template-columns:1fr}.card-image{height:170px}.hero{min-height:380px;padding:26px 20px}.hero h1{font-size:40px}.hero-bottom{display:none}.hero p{max-width:265px}.hero .button{font-size:13px}.lesson-hero{grid-template-columns:1fr}.lesson-hero img{height:135px;min-height:0;order:-1}.lesson-hero>div{padding:21px}.lesson-article{padding:20px 17px}.lesson-article .terms,.term-grid{grid-template-columns:1fr}.question-stem{font-size:18px}.answer-option{font-size:14px;padding:12px}.panel{padding:18px}.header-right{gap:8px}.profile-button{max-width:85px}.brand{font-size:22px}.brand span{font-size:8px}.xp{font-size:12px}.lesson-link{padding:14px 12px;gap:9px}.lesson-link strong{font-size:14px}.lesson-link .lesson-number{min-width:28px;font-size:14px}.stat{padding:10px}.stat strong{font-size:21px}.stat span{font-size:10px}.tool-controls{padding:17px}.search-row select{max-width:none;width:100%}.search-row input{min-width:0;width:100%}.result-table{font-size:12px}.result-table td,.result-table th{padding:10px 4px}.tool-readout{font-size:26px}.intro h1{font-size:31px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}body.reduced-motion *,body.reduced-motion *:before,body.reduced-motion *:after{animation:none!important;transition:none!important}
@media print{.site-header,#mobile-nav,.site-footer,.actions,.lesson-aside,button{display:none!important}body{background:white;color:black}#main{padding:0;max-width:none}.lesson-article{background:white;color:black}.lesson-layout{display:block}.print-only{display:block}}
.lesson-diagram{margin:28px 0;padding:18px 0;border-top:1px solid #adb9bb;border-bottom:1px solid #adb9bb}.lesson-diagram svg{display:block;width:100%;height:auto}.lesson-diagram figcaption{font-size:13px;line-height:1.6;margin-top:14px;color:#405461}.tool-stage svg .drag-piece{touch-action:none}.coverage-filter{margin-bottom:20px}.coverage-row{padding:18px;background:#202a31;border:1px solid #485866;border-radius:8px}.coverage-row summary{padding:0}.coverage-row p{font-size:13px;margin:12px 0}.coverage-row a{color:#bce0f2}.coverage-counts{font-size:14px;color:#d0d8dc}.lesson-aside .source-links{max-height:260px;overflow:auto}
/* Immersive tool-on-vehicle workshops. */
.workshop-back{margin-bottom:15px}.workshop-intro{margin:0 0 22px}.workshop-intro .eyebrow{margin-bottom:9px}.workshop-intro h1{font-size:clamp(26px,3.4vw,42px);line-height:1.13;margin:0;letter-spacing:-1px}.immersive-workshop{display:grid;grid-template-columns:minmax(0,1.75fr) minmax(290px,1fr);gap:24px;align-items:start}.workbench{min-width:0;border:1px solid #606b70;border-radius:17px;overflow:hidden;background:#11181c;box-shadow:0 17px 35px #0005}.instrument-dock{padding:17px 19px 14px;background:linear-gradient(145deg,#d33349,#961c31 55%,#651226);border:5px solid #bf2b41;border-bottom:0;box-shadow:inset 0 2px 0 #f6758555}.dock-label{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 3px 9px}.dock-label .eyebrow{color:#ffebdd;margin:0;font-size:10px;letter-spacing:1.4px}.dock-label #scene-status{color:#f6b9c0;font:650 9px/1.3 ui-monospace,monospace;letter-spacing:.7px;text-align:right}.instrument-dock .tool-readout{font-size:clamp(20px,2.5vw,30px);line-height:1.25;padding:12px 10px;border:6px solid #192128;box-shadow:inset 0 2px 5px #36443566,0 2px 0 #ee748155;overflow-wrap:anywhere;min-height:60px}.scene-camera{display:flex;align-items:center;gap:5px;padding:10px 12px;background:linear-gradient(#303b43,#1b252c);border-top:1px solid #68727a;border-bottom:1px solid #080d10}.scene-camera button{min-height:42px;padding:9px 12px;font-size:12px;border-color:#59636b;background:#172229;flex-shrink:0}.scene-camera button[aria-pressed=true]{background:#d0cbb8;color:#17272c;border-color:#f5e7c0;box-shadow:inset 0 -2px #a39d8a}.scene-camera>span{font:600 9px/1.4 ui-monospace,monospace;color:#99b1bb;letter-spacing:1px;margin-left:auto}.scene-live{position:relative;overflow:hidden;background:#0a1013;isolation:isolate}.scene-live svg{display:block;width:100%;height:100%;touch-action:pan-y;user-select:none;-webkit-user-select:none}.scene-live .scene-tool{touch-action:none;cursor:grab}.scene-live .scene-tool:active{cursor:grabbing}.scene-contact{cursor:crosshair}.scene-live [role=button]:focus-visible{outline:3px solid #fcdb95;outline-offset:4px;filter:drop-shadow(0 0 4px #ffe2a9)}.scene-live [data-scene-drag]{touch-action:none}.scene-corner{position:absolute;top:12px;left:12px;pointer-events:none;background:#11191bba;border:1px solid #b5c4c14d;border-radius:4px;padding:7px 9px;font:600 8px/1 ui-monospace,monospace;letter-spacing:1.3px;color:#e0e3d7;backdrop-filter:blur(3px)}.scene-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:#dce7ab;margin-right:7px;box-shadow:0 0 6px #dce7ab77}.scene-toolbar{padding:15px;background:linear-gradient(#252f35,#192329);border-top:1px solid #647276}.scene-toolbar>p{font-size:13px;line-height:1.6;color:#d5ded9;margin:0 0 12px}.scene-tool-select,.scene-quick{display:flex;flex-wrap:wrap;gap:7px}.scene-tool-select:empty,.scene-quick:empty{display:none}.scene-tool-select button{min-height:44px;font-size:12px;padding:10px 13px;background:#17242b;border:1px solid #647078}.scene-tool-select button[aria-pressed=true]{border-color:#f1c795;background:#4d3136;color:#ffefd5;box-shadow:inset 0 0 0 1px #f1c79555}.scene-tool-select [data-pick-tool=red]{border-bottom:3px solid #d7354a}.scene-tool-select [data-pick-tool=black]{border-bottom:3px solid #9aa6ab}.scene-tool-select [data-pick-tool=blue]{border-bottom:3px solid #5195c9}.scene-quick{margin-top:12px}.scene-quick button{min-height:44px;font-size:12px;padding:10px 14px;background:linear-gradient(#b52b41,#891c30);border-color:#dc6373;color:#fff3e7;flex:1}.scene-quick button[hidden]{display:none}.work-feedback{margin:0;padding:14px 17px 16px;border-top:1px solid #647079;border-left:4px solid #debe7c;background:#272a27;color:#eadfc6;font-size:13px;line-height:1.6;min-height:64px}.work-feedback.error{background:#46242d;border-left-color:#ee8a93;color:#ffe6e4}.workbench #work-complete{margin:0;border:0;border-top:1px solid #6a967a;border-radius:0;padding:20px}.workshop-console{min-width:0}.workshop-console details{margin:0 0 18px;border:1px solid #56636b;border-radius:9px;overflow:hidden;background:#1f2a30}.workshop-console summary{padding:14px 17px;background:linear-gradient(#354148,#273239);font-size:13px;line-height:1.4;min-height:49px}.workshop-console .job-ticket{border-radius:0;padding:20px;box-shadow:none}.workshop-console .job-ticket p{font-size:13px;line-height:1.65}.workshop-console .job-ticket p:last-child{margin-bottom:0}.workshop-console .tool-controls{margin:0;border:0;border-top:1px solid #d85469;border-radius:0;padding:20px;gap:17px;background:linear-gradient(135deg,#a62338,#691b2b)}.workshop-console .tool-controls label{font-size:13px;line-height:1.5}.workshop-console .tool-controls input[type=range]{min-height:44px;accent-color:#ffe3b6;cursor:ew-resize}.workshop-console .tool-controls button{font-size:12px;min-height:44px}.scene-disclaimer{font-size:11px;line-height:1.7;color:#a2b2bc}.scene-complete:after{content:'VERIFIED';position:absolute;right:14px;top:12px;border:1px solid #a8d4a2;background:#18362bdc;color:#d5f5cc;font:700 10px/1 ui-monospace,monospace;padding:9px 11px;letter-spacing:1px;pointer-events:none}
@media(max-width:1050px){.immersive-workshop{grid-template-columns:minmax(0,1.35fr) minmax(270px,1fr);gap:18px}.dock-label .eyebrow{font-size:8px}.scene-camera>span{display:none}.instrument-dock{padding:13px}}
@media(max-width:760px){.immersive-workshop{grid-template-columns:1fr;gap:20px}.workshop-intro{margin-bottom:17px}.workshop-intro h1{font-size:27px;letter-spacing:-.6px}.workshop-intro .eyebrow{font-size:10px}.workshop-back{min-height:42px;font-size:12px;margin-bottom:14px}.workbench{border-radius:12px}.instrument-dock{padding:11px;border-width:4px}.dock-label .eyebrow{font-size:9px;letter-spacing:1px}.dock-label #scene-status{font-size:8px}.instrument-dock .tool-readout{font-size:23px;padding:10px 7px;min-height:54px}.scene-camera{padding:8px}.scene-camera button{font-size:11px;flex:1;min-height:42px}.scene-toolbar{padding:13px}.scene-toolbar>p{font-size:12px}.scene-tool-select button,.scene-quick button{font-size:11px;padding:10px 12px}.work-feedback{font-size:12px}.scene-corner{top:9px;left:9px;padding:6px;font-size:7px}.workshop-console summary{font-size:13px}.workshop-console .job-ticket,.workshop-console .tool-controls{padding:18px}}