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@media(max-width:1150px){.sidebar{width:205px;padding:30px 16px}.shell{grid-template-columns:205px minmax(0,1fr)}.main{padding:32px 28px}.topbar{padding:0 28px}.practice{padding:18px}.hero h2{font-size:27px}.hero-copy{padding:26px}.session-layout{grid-template-columns:minmax(0,1fr) 175px}.session-aside{padding:14px}.signs-grid{grid-template-columns:repeat(3,1fr)}.stats{gap:10px}.stat{padding:16px 14px}.stat .stat-label{font-size:10px}.topic-grid{grid-template-columns:1fr 1fr}}
@media(max-width:850px){.sidebar{width:78px;padding:27px 12px}.brand span,.nav-label,.nav button .navtext,.nav .count,.side-bottom{display:none}.brand{justify-content:center}.brand img{width:38px;height:38px}.nav{margin-top:36px;gap:12px}.nav button{justify-content:center;padding:14px}.shell{grid-template-columns:78px minmax(0,1fr)}.topbar{height:70px}.main{padding:27px 24px}.stats{grid-template-columns:1fr 1fr}.lower-grid{grid-template-columns:1fr 1fr}.hero-art{margin-right:-35px}.hero h2{font-size:26px}.hero-copy{padding:25px}.hero p{max-width:260px}.session-layout{grid-template-columns:1fr}.session-aside{order:2}.question-grid{grid-template-columns:repeat(10,1fr)}.source-grid{grid-template-columns:1fr 1fr}.exam-intro{grid-template-columns:1fr}.exam-intro .panel{padding:25px}}
@media(max-width:600px){body{font-size:14px}.shell{display:block;padding-bottom:80px}.sidebar{inset:auto 0 0;width:auto;height:70px;border-right:0;border-top:1px solid #dfe4d6;padding:0 7px;background:#fffffffa;backdrop-filter:blur(10px);padding-bottom:env(safe-area-inset-bottom)}.sidebar>.brand{display:none}.nav{margin:0;display:grid;grid-template-columns:repeat(5,1fr);gap:2px;height:65px}.nav button{padding:7px 2px;display:flex;flex-direction:column;gap:3px;border-radius:0;font-size:9px;font-weight:500}.nav button .navtext{display:block}.nav .icon{font-size:20px;width:auto}.nav button.active{background:none;color:var(--orange);border-top:2px solid var(--orange)}.nav button:nth-child(4),.nav button:nth-child(7){display:none}.topbar{height:65px;padding:0 20px}.topbar .breadcrumb{display:none}.mobile-brand{display:flex;font-size:15px}.mobile-brand img{width:30px;height:30px}.mobile-brand small{font-size:8px;margin-top:4px}.topbar .tag{font-size:9px}.topbar>.status{font-size:9px}.main{padding:26px 18px 24px}.heading{margin-bottom:22px;align-items:start}.heading h1{font-size:31px;letter-spacing:-1px}.heading .tag{display:none}.eyebrow{font-size:9px}.sub{font-size:12px;line-height:1.7;margin-top:10px}.hero{grid-template-columns:1.6fr 1fr;min-height:226px}.hero-copy{padding:24px 0 23px 22px}.hero .eyebrow{font-size:8px;letter-spacing:1.2px}.hero h2{font-size:25px}.hero p{font-size:11px;max-width:200px;margin:12px 0 19px}.hero .btn{padding:11px 14px;font-size:11px;white-space:nowrap}.hero-art{margin-right:-95px;opacity:.9;overflow:hidden}.hero-art svg{min-width:260px;min-height:250px;transform:translateX(-20px)}.stats{gap:10px;margin:16px 0 28px}.stat{padding:16px}.stat strong{font-size:27px}.stat .stat-label{font-size:10px}.stat small{font-size:9px}.section-head h2{font-size:19px}.section-head .text-btn{font-size:10px}.practice-grid{grid-template-columns:1fr;gap:10px}.practice{min-height:0;padding:18px;display:grid;grid-template-columns:43px 1fr auto;column-gap:14px;align-items:center}.practice .tile-icon{grid-row:1/3;margin:0}.practice h3{grid-column:2;font-size:14px}.practice p{grid-column:2;grid-row:2;font-size:10px;margin:5px 0 0}.practice .meta{grid-column:3;grid-row:1/3;width:auto;gap:10px}.practice .meta span:first-child{display:none}.practice .arrow{font-size:22px}.lower-grid{grid-template-columns:1fr;gap:14px;margin-top:28px}.panel{padding:21px}.insight h3{max-width:none;font-size:22px}.insight p{font-size:12px}.notice{font-size:10px;padding:13px;line-height:1.7}.footer{font-size:9px;flex-direction:column;gap:8px;margin-top:22px;padding-top:16px}.topic-grid{gap:11px}.topic-card{padding:17px 14px}.topic-card h3{font-size:13px}.topic-card p{font-size:10px;min-height:30px}.topic-card .tile-icon{width:34px;height:34px;margin-bottom:14px;font-size:19px}.topic-card small{font-size:9px}.signs-grid{grid-template-columns:1fr 1fr;gap:10px}.sign-card{padding:17px 12px}.sign-card svg{width:88px;height:88px}.sign-card h3{font-size:11px}.sign-card p{font-size:10px}.sign-card .btn{width:100%;font-size:10px}.source-grid{grid-template-columns:1fr}.library-item{padding:14px;gap:12px}.library-item .sign-thumb{width:45px}.library-item h3{font-size:12px}.library-item .btn{font-size:10px;padding:9px;min-height:40px}.toolbar{gap:8px}.toolbar input{width:100%;flex-basis:100%}select{font-size:12px;flex:1}.filter-label{font-size:11px}.session-head h1{font-size:22px}.timer{font-size:23px;padding:8px 12px}.session-head p{font-size:10px}.question-top{padding:17px 18px 10px}.question-top .badge{font-size:8px;letter-spacing:.5px;max-width:200px;white-space:normal}.question h2{font-size:18px;padding:5px 18px 10px}.question .hint{font-size:10px;padding:0 18px 16px}.options{padding:18px;gap:9px}.option{font-size:12px;line-height:1.65;padding:13px;min-height:62px;gap:10px}.option .verdict{font-size:9px;white-space:normal;max-width:50px}.question-actions{padding:0 18px 18px}.question-actions .btn{font-size:11px;padding:11px 14px}.feedback{margin:0 18px 18px;padding:15px}.feedback p{font-size:11px}.feedback a{font-size:10px}.question-grid{gap:5px}.question-grid button{min-height:32px;font-size:10px}.session-nav .btn{font-size:10px;padding:10px 12px}.sign-art{padding:15px}.sign-art svg{height:135px}.scene-art>span{font-size:9px}.resume{padding:15px;gap:12px}.resume .btn{font-size:10px;padding:10px}.result-hero{padding:23px;align-items:start}.result-hero h2{font-size:23px}.score-number{font-size:40px}.score-number small{font-size:13px}.result-hero p{font-size:11px}.review-card{padding:17px}.review-card summary{font-size:12px}.review-card p{font-size:11px}.exam-intro h2{font-size:26px}.exam-intro .panel{padding:24px}.reading p,.reading ul{font-size:12px}.coverage{font-size:10px}.history-row{font-size:11px;gap:10px}.dialog{padding:25px}.dialog h2{font-size:21px}.dialog p{font-size:12px}#toast{bottom:90px}.desktop-only{display:none}.session-nav{position:sticky;bottom:76px;background:var(--bg);padding:10px 0;z-index:8}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

@media(max-width:600px){.mobile-brand span{display:block}.mobile-brand small{display:block}}

.road-sign{object-fit:contain;display:block}.sign-card .road-sign{width:100px;height:100px;margin:0 auto 12px}.sign-art .road-sign{width:180px;height:180px}.sign-thumb .road-sign{width:65px;height:65px}
@media(max-width:600px){.sign-card .road-sign{width:88px;height:88px}.sign-art .road-sign{width:150px;height:150px}.sign-thumb .road-sign{width:45px;height:65px}}

.traffic-photo{margin:20px 0;background:#f5f6f0;border:1px solid var(--line);border-radius:14px;overflow:hidden}.traffic-photo>a{display:block}.traffic-photo img{display:block;width:100%;height:auto;max-height:550px;object-fit:contain;background:#e7ebe2}.traffic-photo figcaption{display:grid;gap:6px;padding:12px 15px;color:var(--muted);font-size:12px;line-height:1.5;overflow-wrap:anywhere}.traffic-photo figcaption small{display:block;font-size:11px}.traffic-photo a:focus-visible{outline:3px solid var(--orange);outline-offset:-3px}.photo-entry{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:24px 0}.photo-entry p{color:var(--muted)}.photo-sources{margin:24px 0}.photo-sources li{margin:14px 0;overflow-wrap:anywhere}@media(max-width:600px){.photo-entry{align-items:stretch;flex-direction:column}.traffic-photo img{max-height:none}.traffic-photo figcaption{padding:10px}}

.photo-zoom{width:min(96vw,1600px);max-width:96vw;max-height:95vh;padding:12px;border:0;border-radius:12px;background:var(--paper)}.photo-zoom::backdrop{background:#102018cc}.photo-zoom img{display:block;width:100%;height:auto;max-height:80vh;object-fit:contain;margin-top:12px}.photo-zoom button{display:block;margin-left:auto}

.account-chip{border:1px solid var(--line);border-radius:20px;background:var(--paper);color:var(--green);padding:8px 12px;font:inherit;font-size:12px;cursor:pointer;margin-left:12px}.account-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:16px 0}#account-panel{margin-bottom:20px}#account-panel .notice{margin:16px 0}#account-panel .btn{white-space:normal}#account-panel p{overflow-wrap:anywhere}@media(max-width:600px){.account-chip{max-width:140px;font-size:11px;margin-left:5px;padding:7px 9px}.topbar>.status{display:none}}

/* Original road situations: a neutral plan with an equivalent text description. */
.traffic-situation{margin:20px 0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#f8f9f3}.traffic-situation>svg{display:block;width:100%;height:auto;max-height:500px}.traffic-situation figcaption{display:grid;gap:8px;padding:14px 16px;font-size:13px;line-height:1.5;color:var(--green)}.traffic-situation figcaption>span,.traffic-situation small{color:var(--muted)}.situation-legend{display:flex;flex-wrap:wrap;gap:8px 20px;list-style:none;margin:0;padding:0}.situation-legend li{display:flex;gap:8px;align-items:center;flex:1 1 220px}.situation-legend b{display:inline-grid;place-items:center;flex:0 0 25px;width:25px;height:25px;border-radius:50%;background:var(--vehicle-color);color:white}.traffic-situation details{border-top:1px solid var(--line);padding-top:8px}.traffic-situation summary{cursor:pointer;font-weight:600}.traffic-situation details p{margin:8px 0 0}.traffic-situation summary:focus-visible{outline:3px solid var(--orange);outline-offset:3px}@media(max-width:600px){.traffic-situation figcaption{padding:12px}.situation-legend{gap:7px}.situation-legend li{flex-basis:100%}.traffic-situation>svg{max-height:none}}
/* Let diagrams and answer controls shrink inside the mobile grid. */
.session-layout>section{min-width:0}.options{min-inline-size:0}.traffic-situation{min-width:0}.situation-legend li span{min-width:0;overflow-wrap:anywhere}@media(max-width:850px){.session-layout{grid-template-columns:minmax(0,1fr)}}@media(max-width:600px){.session-nav,.question-actions,.session-head{flex-wrap:wrap;gap:10px}.session-head>div{min-width:0}.question-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.question-actions .btn{max-width:100%;white-space:normal}.topbar{gap:8px}.account-chip{flex-shrink:1}}

.question-visual{min-width:0}.visual-enlarge{display:block;margin:8px 0 20px auto}.visual-zoom{width:min(96vw,1000px)}.visual-zoom-canvas{overflow:auto;max-height:78vh;margin-top:12px}.visual-zoom .visual-zoom-canvas>svg{display:block;width:min(100%,calc(75vh * 1.3));min-width:600px;height:auto;margin:0 auto}.visual-zoom .visual-zoom-canvas>img{width:320px;max-width:none;margin:0 auto;max-height:none}.visual-zoom-canvas:focus-visible{outline:3px solid var(--green);outline-offset:-3px}