@font-face{font-family:system-local;src:local('Avenir Next')}*{box-sizing:border-box} :root{--bg:#f6f7f1;--paper:#fff;--ink:#24382c;--muted:#737c72;--line:#e0e4d9;--green:#2a4937;--lime:#d4eaa9;--soft:#eaf0df;--amber:#f3ce82;--red:#a74536;--radius:20px}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 -apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}a{color:inherit;text-underline-offset:4px}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #6d8e51;outline-offset:4px}button svg,a svg{flex-shrink:0}button{color:inherit}h1,h2,h3,p{margin:0}h1{font-size:38px;line-height:1.15;letter-spacing:-1.5px;font-weight:650}h2{font-size:23px;letter-spacing:-.6px;line-height:1.3}h3{font-size:17px;letter-spacing:-.3px;line-height:1.4}small,.small{font-size:12px}.muted{color:var(--muted)}.eyebrow{font-size:11px;font-weight:700;letter-spacing:1.8px;text-transform:uppercase}.skip{position:fixed;top:-60px;left:10px;z-index:20;background:white;padding:10px}.skip:focus{top:10px}.shell{display:grid;grid-template-columns:222px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;border-right:1px solid var(--line);padding:33px 19px 22px;display:flex;flex-direction:column;background:#edf0e6}.brand{display:flex;align-items:center;gap:11px;font-size:23px;letter-spacing:-1px;font-weight:700;text-decoration:none;padding:0 12px}.brand-mark{width:35px;height:38px;border-radius:11px;background:var(--green);display:grid;place-items:center;color:var(--lime)}.brand small{display:block;font-size:9px;letter-spacing:2.2px;margin-top:-5px;color:#71816d}.nav-label{margin:44px 13px 13px;font-size:10px;letter-spacing:1.7px;color:#7a8475;font-weight:700}.nav{display:flex;flex-direction:column;gap:7px}.nav a{display:flex;gap:12px;align-items:center;text-decoration:none;border-radius:10px;min-height:47px;padding:12px 14px;font-size:13px;font-weight:500;color:#697665;transition:.18s}.nav a:hover{background:#e4e9db;color:var(--ink)}.nav a.active{background:var(--green);color:#f7faef}.nav a .badge{margin-left:auto;min-width:21px;text-align:center;border-radius:5px;font-size:10px;background:#d3e3bf;color:var(--green)}.sidebar-bottom{margin-top:auto;padding:30px 12px 0}.state-label{display:flex;align-items:center;gap:7px;font-size:11px;color:#6b7b61}.status-dot{height:6px;width:6px;border-radius:50%;background:#809c5e}.sidebar-bottom p{font-size:11px;color:#87907f;margin-top:9px}.main-wrap{min-width:0}.topbar{height:80px;padding:0 46px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px}.breadcrumb{display:flex;align-items:center;gap:9px;font-size:12px;color:#778270}.breadcrumb span:last-child{color:var(--ink)}.top-actions{display:flex;align-items:center;gap:17px}.edition{font-size:11px;color:#778270}.lang{display:flex;padding:3px;border:1px solid var(--line);border-radius:8px;background:#fff}.lang button{font-size:10px;font-weight:700;border:0;padding:6px 9px;background:transparent;border-radius:5px}.lang button.active{background:var(--green);color:white}main{max-width:1320px;padding:39px 46px 50px;margin:auto}.page-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}.page-heading p{color:var(--muted);margin-top:11px;font-size:14px}.page-heading .eyebrow{color:#7c896f;margin-bottom:12px}.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border:1px solid var(--line);border-radius:7px;font-size:10px;font-weight:600;white-space:nowrap}.tag.green{background:var(--soft);border-color:#dce6ce;color:#4e6840}.hero{background:#e1ebcf;border:1px solid #d2ddc3;border-radius:22px;padding:33px 36px;display:grid;grid-template-columns:1.4fr 1fr;overflow:hidden;min-height:260px;position:relative}.hero-copy{position:relative;z-index:1}.hero h2{font-size:33px;line-height:1.18;letter-spacing:-1.2px;max-width:480px;margin-top:12px}.hero p{font-size:13px;color:#63725a;max-width:400px;margin:14px 0 22px}.hero-art{position:absolute;right:-5px;top:0;width:38%;height:100%;display:flex;align-items:center}.hero-art svg{width:100%;max-height:280px}.btn{display:inline-flex;gap:9px;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;border-radius:10px;min-height:44px;padding:11px 16px;font-weight:600;font-size:12px;text-decoration:none;transition:background .15s,transform .15s}.btn:hover{background:#f1f4eb}.btn.primary{background:var(--green);color:#fff;border-color:var(--green)}.btn.primary:hover{background:#193b28}.btn.lime{background:var(--lime);border-color:var(--lime)}.btn.plain{background:transparent;border-color:transparent;padding-left:3px;padding-right:3px}.btn.small{min-height:34px;padding:7px 10px;font-size:11px}.btn.danger{color:var(--red)}.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:20px 0 31px}.stat{background:white;border:1px solid var(--line);border-radius:14px;padding:18px 20px}.stat-top{display:flex;justify-content:space-between;align-items:center;color:#89947f}.stat .label{font-size:11px;color:#737f6b}.stat .value{font-size:29px;font-weight:600;letter-spacing:-1px;margin-top:7px;line-height:1.4}.stat .value span{font-size:14px;color:#8e9787;font-weight:400;letter-spacing:0}.stat .foot{font-size:10px;color:#8a9382}.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:27px 0 17px}.section-head h2{font-size:19px}.section-head a,.text-link{font-size:11px;color:#647852;text-decoration:none;display:inline-flex;gap:6px;align-items:center}.mode-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.mode-card{background:white;border:1px solid var(--line);border-radius:17px;padding:23px;display:flex;flex-direction:column;align-items:flex-start;text-decoration:none;min-height:220px;transition:.2s}.mode-card:hover{border-color:#aebf9d;transform:translateY(-2px)}.tile-icon{height:44px;width:44px;display:grid;place-items:center;border-radius:12px;background:#e7eddf;margin-bottom:19px}.mode-card p{font-size:12px;line-height:1.65;color:var(--muted);margin:9px 0 17px}.mode-card .card-bottom{display:flex;align-items:center;justify-content:space-between;width:100%;margin-top:auto;font-size:11px;color:#819171}.mode-card h3{font-size:16px}.dashboard-bottom{display:grid;grid-template-columns:1.55fr 1fr;gap:23px}.topic-list{background:#fff;border:1px solid var(--line);border-radius:16px;padding:4px 19px}.topic-row{display:grid;grid-template-columns:35px minmax(0,1fr) 60px 16px;gap:10px;align-items:center;padding:15px 0;border-bottom:1px solid #eef0e8;text-decoration:none}.topic-row:last-child{border:0}.topic-row:hover h3{color:#6e894e}.topic-row .tile-icon{width:32px;height:32px;border-radius:9px;margin:0}.topic-row h3{font-size:12px}.topic-row p{font-size:10px;color:#8c9585}.mini-progress{height:4px;border-radius:3px;background:#ebeee4;margin-top:5px;overflow:hidden}.mini-progress i{height:100%;display:block;background:#8ba765}.topic-percent{font-size:11px;color:#7a886b;text-align:right}.tip{border:1px solid #e0dfc9;background:#f2efdf;border-radius:16px;padding:24px;min-height:210px}.tip h3{font-size:17px;margin:14px 0 10px}.tip p{font-size:12px;color:#7d7d68;margin-bottom:18px}.tip .eyebrow{color:#969378}.footer-note{display:flex;justify-content:space-between;gap:16px;font-size:10px;color:#92998a;margin-top:35px;border-top:1px solid var(--line);padding-top:16px}.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.topic-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:24px}.topic-card-top{display:flex;align-items:center;gap:15px}.topic-card .tile-icon{margin:0}.topic-card p{font-size:13px;color:var(--muted);margin:14px 0}.topic-card .mini-progress{height:5px;margin:17px 0 7px}.topic-card .actions{margin-top:18px}.source{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:#66814e;text-decoration:underline;text-underline-offset:4px}.intro-card{background:white;border:1px solid var(--line);padding:38px;border-radius:22px;max-width:820px;margin:0 auto}.intro-card h2{font-size:29px;margin:15px 0}.intro-card p{color:var(--muted);font-size:14px;max-width:650px}.exam-facts{display:grid;grid-template-columns:repeat(3,1fr);margin:28px 0;border-block:1px solid var(--line)}.exam-facts>div{padding:22px 0}.exam-facts strong{font-size:34px;display:block;letter-spacing:-1px}.exam-facts span{font-size:11px;color:var(--muted)}.intro-card ul{padding-left:18px;color:#67715f;font-size:13px;line-height:1.8;margin:0 0 24px}.quiz-top{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:20px}.quiz-top h1{font-size:25px}.timer{font-variant-numeric:tabular-nums;display:flex;gap:8px;align-items:center;border:1px solid var(--line);border-radius:10px;padding:9px 13px;font-size:17px;font-weight:600;background:white}.timer.urgent{color:var(--red);border-color:#d9a494;background:#fff5ed}.quiz-layout{display:grid;grid-template-columns:minmax(0,1fr) 224px;gap:23px;align-items:start}.quiz-card{background:#fff;border:1px solid var(--line);border-radius:21px;padding:28px;min-width:0}.quiz-meta{display:flex;justify-content:space-between;gap:10px;align-items:center}.quiz-meta .eyebrow{font-size:10px;color:#89937e}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:37px;height:37px;border-radius:9px;border:1px solid var(--line);background:transparent}.icon-btn.active{background:var(--soft);color:#496a32;border-color:#aabb91}.quiz-progress{height:4px;background:#edf0e6;border-radius:3px;margin:13px 0 24px;overflow:hidden}.quiz-progress span{display:block;height:100%;background:#9eb97b}.question-visual{background:#f5f6ef;border-radius:13px;display:flex;justify-content:center;align-items:center;min-height:156px;margin-bottom:22px;padding:13px}.question-visual .road-art{height:150px;width:auto;max-width:100%}.question-visual.scene .road-art{height:205px;width:100%}.question{font-size:22px;letter-spacing:-.6px;line-height:1.4;margin-bottom:23px;font-weight:600}.options{display:grid;gap:10px}.option{width:100%;display:flex;align-items:center;gap:14px;padding:15px;border:1px solid var(--line);background:#fff;text-align:left;border-radius:11px;font-size:13px;line-height:1.5;min-height:58px}.option:hover:not(:disabled){border-color:#b6c8a1;background:#f9fbf5}.option .letter{min-width:28px;height:28px;border:1px solid #e4e7dc;border-radius:7px;display:grid;place-items:center;font-size:11px;color:#7e8975}.option.selected{border-color:#567342;background:#f0f5e7}.option.selected .letter{background:var(--green);color:white;border-color:var(--green)}.option.correct{background:#edf5e4;border-color:#93b16f}.option.wrong{background:#fff0e9;border-color:#d49583}.option:disabled{opacity:1;cursor:default}.option .answer-icon{margin-left:auto;flex:none}.feedback{border-radius:12px;padding:18px;margin-top:20px;background:#eef5e5;border:1px solid #dce9cd}.feedback.wrong{background:#fff3e9;border-color:#ecd1bd}.feedback h3{display:flex;gap:8px;align-items:center;font-size:14px;margin-bottom:8px}.feedback p{font-size:13px;color:#59694e;margin-bottom:10px}.feedback.wrong p{color:#826448}.quiz-controls{display:flex;gap:10px;justify-content:space-between;margin-top:23px}.question-map{padding:20px;background:#edf0e6;border:1px solid var(--line);border-radius:16px}.question-map h3{font-size:13px;margin-bottom:14px}.question-map p{font-size:11px;color:#7f8b73;margin-top:14px}.q-dots{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.q-dot{border:1px solid #d8decd;border-radius:6px;aspect-ratio:1;background:white;font-size:10px;position:relative}.q-dot.answered{background:#cbdcb5;border-color:#cbdcb5}.q-dot.current{outline:2px solid var(--green);outline-offset:2px}.q-dot.flagged:after{content:'';position:absolute;right:2px;top:2px;width:5px;height:5px;border-radius:50%;background:#b57430}.q-dot.bad{background:#f1cbbb;border-color:#deb5a4}.q-dot.good{background:#cbdcb5}.question-map .btn{margin-top:19px;width:100%}.question-map .legend{display:flex;gap:8px;align-items:center;margin-top:11px;font-size:10px;color:#6e7b61}.dot{width:7px;height:7px;border-radius:50%;background:#cbdcb5}.dot.gold{background:#c58c44}.review-top{padding:30px;background:#e7eedb;border:1px solid #dbe4ce;border-radius:19px;margin-bottom:22px;display:flex;align-items:center;gap:25px}.score-circle{flex-shrink:0;width:100px;height:100px;border:7px solid #bacf9e;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-direction:column;background:#f6faef}.score-circle strong{font-size:30px;line-height:1.1}.score-circle span{font-size:11px;color:#7c8d67}.review-top p{font-size:13px;color:#71825e;margin:9px 0 16px}.result-list{display:grid;gap:12px}.result-item{background:white;border:1px solid var(--line);border-radius:13px;padding:18px}.result-item summary{cursor:pointer;display:flex;align-items:flex-start;gap:10px;list-style:none;font-size:13px}.result-item summary::-webkit-details-marker{display:none}.result-item summary svg{flex:none;margin-top:2px}.result-item.good summary svg{color:#658e42}.result-item.bad summary svg{color:#b36349}.result-item .result-detail{border-top:1px solid var(--line);padding-top:15px;margin-top:15px;font-size:13px}.result-detail p{margin-bottom:10px}.result-detail .road-art{height:130px;max-width:100%;display:block;margin:10px auto}.empty{border:1px dashed #cdd6bf;background:#eff3e7;padding:50px 25px;text-align:center;border-radius:18px}.empty .tile-icon{margin:0 auto 17px}.empty p{color:var(--muted);font-size:13px;max-width:420px;margin:13px auto 23px}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:25px}.chip{border:1px solid var(--line);border-radius:25px;padding:8px 16px;background:white;font-size:12px}.chip.active{background:var(--green);color:white;border-color:var(--green)}.sign-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.sign-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}.sign-card summary{list-style:none;cursor:pointer;padding:20px;text-align:center}.sign-card summary::-webkit-details-marker{display:none}.sign-card .road-art{height:110px;max-width:100%;margin-bottom:15px}.sign-card .face-label{font-size:11px;color:#7c886e}.sign-card .sign-answer{padding:0 18px 18px;font-size:12px}.sign-card .sign-answer p{margin:8px 0 12px;color:var(--muted)}.lab-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:23px}.lab-card{border:1px solid var(--line);border-radius:18px;background:white;padding:26px}.lab-card .road-art{width:100%;max-height:280px;margin:19px 0}.lab-card p{font-size:13px;color:var(--muted);margin:10px 0 18px}.lab-card select,.sign-select select{padding:10px;border:1px solid var(--line);border-radius:9px;width:100%;background:#f9faf5;color:var(--ink);font-size:13px}.range-row{margin:21px 0}.range-row label{display:flex;justify-content:space-between;font-size:12px;margin-bottom:7px}.range-row input{width:100%;accent-color:#5f8041}.range-value{font-weight:700}.distance-result{padding:17px;background:#eef4e4;border-radius:12px}.distance-result strong{font-size:25px;font-weight:600}.distance-result p{margin:4px 0;font-size:11px}.warning-box{border:1px solid #e5d4b1;background:#f9f2e2;border-radius:11px;padding:15px;font-size:12px;color:#82724d;margin:17px 0}.progress-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:22px}.panel{background:white;border:1px solid var(--line);border-radius:17px;padding:25px}.panel h2{font-size:18px;margin-bottom:18px}.chart{height:175px;width:100%;margin:10px 0}.history-row{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid #edf0e6}.history-row:last-child{border:0}.history-row div{flex:1}.history-row strong{font-size:13px}.history-row p{font-size:11px;color:var(--muted)}.history-row>span{font-size:17px;font-weight:600}.resource-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.resource-card{padding:24px;background:white;border:1px solid var(--line);border-radius:17px;display:flex;flex-direction:column;align-items:flex-start}.resource-card h3{margin:14px 0 9px}.resource-card p{font-size:13px;color:var(--muted);margin-bottom:18px}.resource-card a{margin-top:auto}.manual-banner{background:#e5edd8;border:1px solid #d6e0c7;border-radius:19px;padding:27px;display:flex;align-items:center;gap:25px;margin-bottom:24px}.manual-banner>.tile-icon{margin:0;width:60px;height:70px;flex-shrink:0;background:#f6faee}.manual-banner p{font-size:12px;color:#758465;margin:8px 0 14px}.manual-banner h2{font-size:22px}.storage-warning{padding:12px 20px;background:#fff0d6;font-size:12px;color:#8a6131;border-bottom:1px solid #e4cca1}dialog{border:1px solid var(--line);border-radius:19px;max-width:470px;width:calc(100% - 32px);padding:28px;color:var(--ink);box-shadow:0 20px 90px #17231533}dialog::backdrop{background:#1e2b2166;backdrop-filter:blur(3px)}dialog h2{font-size:23px}dialog p{font-size:14px;color:var(--muted);margin:16px 0 23px}dialog .actions{justify-content:flex-end}#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--green);color:white;padding:12px 20px;border-radius:12px;font-size:12px;z-index:25;box-shadow:0 5px 30px #1b30222e;display:none;max-width:90vw}#toast.visible{display:block}.resume-bar{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:15px 20px;border:1px solid #cfddbc;border-radius:12px;background:#edf4e3;margin-bottom:22px;font-size:12px}.resume-bar strong{display:block}.resume-bar span{color:#7b8a69}.result-filter{margin:23px 0 16px;display:flex;gap:8px}.mobile-brand{display:none}.scenario-note{font-size:11px!important;color:#718163!important}.move-west{animation:move-up 2s ease-in-out forwards}.move-north{animation:move-up 2s 2s ease-in-out forwards}@keyframes move-up{to{transform:translateY(-230px)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.001ms!important;animation-delay:0ms!important;transition:none!important}}
/* Bilingual question component, shared across every question surface. */
.question-copy{display:block;min-width:0;margin-bottom:23px}
.question-copy>.question{display:block;margin-bottom:0}
.question-translation{display:block;margin-top:13px;padding:13px 16px;border-left:3px solid #bacb9f;border-radius:0 9px 9px 0;background:#f2f5ed;font-size:14px;line-height:1.6;font-weight:400;letter-spacing:0;color:#506047;text-align:left;overflow-wrap:anywhere}
.question-translation-label{display:block;margin-bottom:5px;font-size:10px;font-weight:600;line-height:1.4;letter-spacing:.5px;color:#596e4c}
.question-translation-text{display:block}
.question-copy--lab{margin-top:14px;margin-bottom:22px}
.question-copy--lab>.question{font-size:23px}
.question-copy--compact{margin-bottom:0;flex:1}
.question-copy--compact>.question{font-size:13px;line-height:1.55;font-weight:500;letter-spacing:0}
.question-copy--compact .question-translation{margin-top:9px;padding:10px 12px;font-size:12px}
.question-copy--compact .question-translation-label{font-size:9px}
.result-item summary>.question-copy{min-width:0}
@media(min-width:1500px){main{padding-top:44px}.hero{min-height:290px}.hero h2{font-size:39px}.hero p{font-size:14px}.hero-art{right:30px;width:38%}}
@media(max-width:1150px){.shell{grid-template-columns:190px minmax(0,1fr)}.sidebar{padding-inline:12px}.brand{font-size:20px}.nav a{font-size:12px;padding-inline:11px;gap:8px}.topbar{padding-inline:29px}main{padding:30px 29px}.hero{padding:27px}.hero h2{font-size:29px}.hero-art{width:35%;opacity:.9}.hero-copy{max-width:74%}.hero{grid-template-columns:1fr}.mode-card{padding:19px}.quiz-layout{grid-template-columns:minmax(0,1fr) 185px;gap:16px}.quiz-card{padding:23px}.question-map{padding:16px}.q-dots{gap:5px}.stat{padding:15px}.sign-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:900px){.shell{grid-template-columns:76px minmax(0,1fr)}.sidebar{padding:26px 11px}.brand{padding:0;justify-content:center}.brand-text,.nav-label,.nav .nav-text,.sidebar-bottom{display:none}.nav{margin-top:34px}.nav a{justify-content:center;padding:12px}.nav a .badge{position:absolute;right:0;top:0;font-size:8px;min-width:14px}.nav a{position:relative}.dashboard-bottom{grid-template-columns:1.3fr 1fr}.quiz-layout{grid-template-columns:1fr}.question-map{order:2}.q-dots{grid-template-columns:repeat(10,1fr)}.question-map .btn{width:auto}.mode-grid{gap:11px}.mode-card{padding:17px;min-height:232px}.mode-card h3{font-size:14px}.hero h2{font-size:28px}.stats{gap:9px}.stat .label{font-size:10px}.stat .value{font-size:25px}.lab-grid,.progress-grid{grid-template-columns:1fr}.lab-card .road-art{max-height:240px}.edition{display:none}}
@media(max-width:640px){body{font-size:14px}.shell{display:block}.sidebar{position:fixed;top:auto;bottom:0;height:70px;width:100%;padding:0 7px;background:#f8faf2f5;backdrop-filter:blur(12px);border:0;border-top:1px solid #d9dfcf;z-index:10}.sidebar .brand{display:none}.nav{margin:0;height:100%;flex-direction:row;gap:0;align-items:center;justify-content:space-around}.nav a{padding:8px 4px;min-height:52px;flex:1;flex-direction:column;gap:3px;border-radius:9px;font-size:8px;max-width:65px}.nav a .nav-text{display:block;font-size:8px;line-height:1.1;white-space:nowrap;max-width:100%;overflow:hidden;text-overflow:ellipsis}.nav a svg{width:19px;height:19px}.nav a.active{background:#e4edd7;color:var(--green)}.nav a .badge{right:9px;top:5px;background:#ce5d45;color:white}.nav a[data-page=topics]{display:none}.topbar{height:66px;padding:0 19px}.breadcrumb{display:none}.mobile-brand{display:flex;font-size:20px;font-weight:700;align-items:center;gap:8px;letter-spacing:-.8px}.mobile-brand .brand-mark{width:29px;height:31px;border-radius:9px}.top-actions{gap:6px}main{padding:25px 19px 95px}.page-heading{margin-bottom:22px;align-items:flex-start}.page-heading h1{font-size:29px;letter-spacing:-1px}.page-heading p{font-size:12px;margin-top:10px}.page-heading .eyebrow{font-size:9px;margin-bottom:9px}.page-heading>.tag{display:none}.hero{padding:24px;min-height:330px;display:block;border-radius:18px}.hero-copy{max-width:100%}.hero h2{font-size:29px;max-width:300px}.hero .eyebrow{font-size:9px}.hero p{font-size:12px;max-width:250px;margin:13px 0 19px}.hero-art{width:146px;top:auto;bottom:1px;right:6px;height:129px;opacity:1}.hero .btn{position:relative;z-index:2;max-width:190px}.hero-copy>.small{max-width:180px}.stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:16px 0 26px}.stat{padding:14px 16px}.stat .value{font-size:26px}.stat .label{font-size:11px}.stat .foot{font-size:10px}.section-head{margin-top:22px}.section-head h2{font-size:18px}.section-head a{font-size:10px}.mode-grid{grid-template-columns:1fr;gap:10px}.mode-card{padding:19px;min-height:auto;display:grid;grid-template-columns:44px 1fr;gap:0 14px}.mode-card .tile-icon{grid-row:1/4;margin:0;width:42px;height:44px}.mode-card h3{font-size:16px}.mode-card p{margin:6px 0 11px;font-size:12px}.mode-card .card-bottom{grid-column:2}.dashboard-bottom,.topic-grid,.resource-grid{grid-template-columns:1fr}.dashboard-bottom{gap:0}.topic-row{grid-template-columns:33px 1fr 55px 16px;padding:14px 0}.tip{min-height:auto;padding:23px}.footer-note{flex-direction:column;gap:7px;margin-top:26px;font-size:10px}.topic-card{padding:21px}.topic-card h3{font-size:16px}.quiz-top{margin-bottom:16px}.quiz-top h1{font-size:22px}.timer{font-size:14px;padding:8px 10px}.quiz-card{padding:20px 16px;border-radius:16px}.question{font-size:19px;margin-bottom:18px;line-height:1.45}.option{font-size:13px;padding:13px 11px;gap:10px;min-height:60px}.option .letter{min-width:25px;height:26px}.question-visual{min-height:140px;margin-bottom:19px}.question-visual .road-art{height:128px}.question-visual.scene .road-art{height:auto;max-height:210px}.quiz-controls .btn{font-size:11px;padding:10px}.quiz-meta .eyebrow{font-size:9px}.question-map{padding:18px}.q-dots{grid-template-columns:repeat(8,1fr);gap:7px}.q-dot{font-size:11px}.intro-card{padding:25px 21px}.intro-card h2{font-size:25px}.intro-card p,.intro-card ul{font-size:12px}.exam-facts{margin:23px 0}.exam-facts strong{font-size:30px}.exam-facts span{font-size:10px}.exam-facts>div{padding:17px 0}.sign-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.sign-card summary{padding:18px 12px 13px}.sign-card .road-art{height:100px}.sign-card .sign-answer{padding:0 14px 17px}.tabs{gap:7px;margin-bottom:20px}.chip{font-size:11px;padding:8px 13px}.lab-card{padding:21px}.lab-card h2{font-size:22px}.lab-card .road-art{margin:16px 0}.panel{padding:21px}.manual-banner{align-items:flex-start;padding:22px;gap:15px}.manual-banner>.tile-icon{width:41px;height:52px}.manual-banner h2{font-size:19px}.manual-banner .actions{gap:8px}.manual-banner .btn{font-size:11px}.resource-card{padding:22px}.review-top{flex-direction:column;text-align:center;padding:25px 19px;gap:17px}.review-top .actions{justify-content:center}.review-top h2{font-size:24px}.review-top p{font-size:12px}.result-item{padding:15px}.result-item summary{font-size:12px}.result-item .result-detail{font-size:12px}.resume-bar{padding:13px;font-size:11px}.resume-bar .btn{padding:8px;font-size:10px;min-height:38px}.empty{padding:36px 22px}#toast{bottom:83px;width:max-content;max-width:90vw}.chart{height:150px}.topbar .lang button{padding:7px 9px}.feedback{padding:15px}.feedback p{font-size:12px}.scenario-note{font-size:10px!important}}
@media(max-width:360px){main{padding-inline:14px}.hero{padding:21px}.hero h2{font-size:26px}.hero-art{width:120px}.topbar{padding-inline:14px}.nav a .nav-text{font-size:7px}.question{font-size:18px}}

@media(max-width:640px){
 .question-copy{margin-bottom:19px}
 .question-copy>.question{margin-bottom:0}
 .question-translation{margin-top:12px;padding:12px 13px;font-size:13px;line-height:1.65}
 .question-translation-label{font-size:10px}
 .question-copy--lab>.question{font-size:21px;line-height:1.45}
 .question-copy--compact{margin-bottom:0}
 .question-copy--compact>.question{font-size:13px}
 .question-copy--compact .question-translation{font-size:12px}
}

/* Manual artwork keeps its original aspect ratio, including wide and grouped signs. */
.manual-art{object-fit:contain}
.sign-catalog-note{max-width:850px;margin:24px 0}
.sign-catalog-note h2{font-size:21px;margin:0 0 10px}
.sign-catalog-note p{font-size:13px;line-height:1.7;color:var(--muted);margin:8px 0}
.sign-filters{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0}
.sign-filters .chip{gap:8px;min-height:44px}
.sign-filters .chip span{opacity:.75;font-size:11px}
.sign-count h3{font-size:16px}
.sign-grid{align-items:start}
.sign-artwork{height:130px;display:flex;align-items:center;justify-content:center;gap:10px;margin:0 0 16px}
.sign-card .sign-artwork .road-art{display:block;object-fit:contain;height:130px;width:100%;min-width:0;max-width:100%;margin:0;flex:1}
.sign-card .sign-artwork.has-variants .road-art{width:0}
.sign-card .face-label{display:flex;justify-content:center;align-items:center;gap:5px}
.sign-card[open] .face-label svg{transform:rotate(90deg)}
.sign-card summary:focus-visible{outline:3px solid var(--green);outline-offset:-4px;border-radius:15px}
.sign-answer strong{display:block;line-height:1.5}
.sign-english{display:block;color:#4f6645;font-size:12px;line-height:1.5;margin-top:6px}
.sign-catalog-actions{margin-top:25px}
@media(max-width:640px){
 .sign-catalog-note h2{font-size:20px}
 .sign-filters{gap:6px}
 .sign-filters .chip{font-size:11px;padding:9px 11px}
 .sign-artwork,.sign-card .sign-artwork .road-art{height:112px}
 .sign-card .sign-artwork{gap:6px}
 .sign-card .face-label{font-size:10px}
 .sign-card .sign-answer{font-size:12px;overflow-wrap:anywhere}
 .sign-catalog-actions{align-items:stretch}
 .sign-catalog-actions .btn{white-space:normal;text-align:left}
}
@media(max-width:359px){.sign-grid{grid-template-columns:minmax(0,1fr)}}
.sign-provenance{font-size:12px;color:var(--muted);margin-top:10px}
.sign-provenance summary{cursor:pointer;text-decoration:underline;text-underline-offset:3px;width:fit-content;padding:4px 0}
.sign-provenance p{font-size:12px}
.sign-select{display:none}
.sign-card .sign-artwork.stacked{flex-direction:column;gap:4px}
.sign-card .sign-artwork.stacked .road-art{width:100%;height:0;min-height:0;flex:1}
.sign-card[data-sign="p84-im0"] .sign-artwork.stacked .road-art:first-child{flex:3}
@media(max-width:640px){
 .sign-filters{display:none}
 .sign-select{display:block;font-size:12px;font-weight:600;color:var(--muted);margin:20px 0}
 .sign-select select{display:block;margin-top:7px;width:100%;min-height:46px}
 .sign-catalog-note{margin:22px 0 18px}
 .sign-catalog-note p{font-size:12px}
 .sign-count{margin:18px 0 12px}
}

/* Each road situation is a self-contained exercise in a single vertical feed. */
.scenario-feed-intro{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:26px 0 22px}
.scenario-feed-intro h2{font-size:21px;line-height:1.4;margin:0 0 8px}
.scenario-feed-intro p{font-size:13px;color:var(--muted);max-width:700px;margin:0;line-height:1.7}
.scenario-feed-intro .tag{flex:none;white-space:nowrap}
.scenario-feed{display:flex;flex-direction:column;gap:26px}
.scenario-block{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.12fr);border:1px solid var(--line);border-radius:20px;background:#fff;overflow:hidden;scroll-margin-top:90px}
.scenario-context,.scenario-decision{padding:26px;min-width:0}
.scenario-context{background:#f4f6ee;border-right:1px solid var(--line)}
.scenario-context h2{font-size:22px;line-height:1.4;margin:12px 0 20px}
.scenario-illustration{margin:0 0 18px}
.scenario-illustration .road-art{display:block;width:100%;height:auto;max-width:100%;border-radius:14px}
.scenario-caption{font-size:14px;line-height:1.7;color:#52624b;margin:0 0 20px}
.scenario-legend{display:flex;flex-direction:column;gap:6px;font-size:11px;line-height:1.6;color:var(--muted)}
.scenario-key{display:inline-block;width:10px;height:10px;border-radius:3px;border:1px solid #8da376;margin-right:6px}
.scenario-key.you{background:#d8edaf}
.scenario-decision>.eyebrow{margin-bottom:14px}
.scenario-decision .question{font-size:19px;line-height:1.5;margin:0}
.scenario-decision .question-translation{font-size:13px}
.scenario-decision .option{min-height:54px;font-size:13px;padding:13px;line-height:1.55}
.scenario-decision .feedback{margin-top:18px}
.scenario-decision .feedback h4{font-size:14px;margin:0 0 8px}
.scenario-decision .feedback p{font-size:13px;margin:0 0 12px;line-height:1.7}
.scenario-decision>.btn{margin-top:14px}
@media(max-width:900px){
 .scenario-block{grid-template-columns:minmax(0,1fr)}
 .scenario-context{border-right:0;border-bottom:1px solid var(--line)}
 .scenario-illustration{max-width:500px;margin-left:auto;margin-right:auto}
 .scenario-feed-intro{align-items:flex-start;flex-direction:column;gap:13px}
}
@media(max-width:640px){
 .scenario-feed{gap:20px}
 .scenario-context,.scenario-decision{padding:20px 17px}
 .scenario-context h2{font-size:20px;margin-bottom:16px}
 .scenario-decision .question{font-size:19px}
 .scenario-caption{font-size:13px}
 .scenario-context .eyebrow{font-size:9px;line-height:1.7}
 .scenario-decision .option{padding:12px;font-size:13px}
 .scenario-decision .question-translation{font-size:13px;padding:12px}
 .scenario-feed-intro h2{font-size:20px}
}

.distance-experiment{border:1px solid var(--line);border-radius:20px;background:white;padding:27px}
.distance-heading{margin-bottom:24px}
.distance-heading .eyebrow{font-size:10px}
.distance-heading h2{font-size:24px;margin:10px 0}
.distance-heading p{font-size:13px;color:var(--muted);line-height:1.6}
.distance-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:30px;align-items:start}
.distance-stage,.distance-controls{min-width:0}
.distance-diagram{display:block;width:100%;height:auto;overflow:hidden;border-radius:13px}
.distance-position-change,.distance-size-change{transition:transform .18s ease-out}
.distance-diagram .distance-size-change{transform-origin:0 0}
.distance-experiment[data-too-close="true"] #distance-gap-line{stroke:#b66943}
.distance-experiment[data-too-close="true"] #distance-gap-fill{fill:#f3c394}
.distance-readout{display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap;background:#eef4e4;border-radius:11px;padding:13px 16px;margin-top:15px;font-variant-numeric:tabular-nums}
.distance-readout strong{font-size:24px;letter-spacing:-.6px;line-height:1.3}
.distance-readout>span{font-size:12px;color:#5c7150}
.distance-playback{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:15px}
.distance-playback output{font-size:19px;font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap;color:#54713d}
.distance-demo-status{font-size:12px;line-height:1.65;color:#627457;min-height:3.3em;margin:12px 0 7px}
.distance-scale-note{font-size:10px;color:var(--muted);line-height:1.6}
.distance-vehicle-label{display:block;font-size:12px;font-weight:600;margin-bottom:8px}
.distance-controls select{padding:11px;border:1px solid var(--line);border-radius:9px;width:100%;background:#f9faf5;color:var(--ink);font-size:13px;min-height:44px}
.distance-controls .range-row{margin:22px 0 17px}
.distance-controls .range-row label{align-items:center;font-size:13px;margin-bottom:4px}
.distance-controls .range-row input{display:block;height:28px;cursor:pointer;margin:0;touch-action:pan-y}
.range-limits{display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}
.distance-controls .feedback{padding:14px;margin-top:16px}
.distance-controls .feedback h3{font-size:13px}
.distance-controls .feedback p{font-size:12px;line-height:1.65;margin:0}
.distance-conditions{font-size:11px;line-height:1.65;color:var(--muted);margin:13px 0 0}
.distance-footnote{border-top:1px solid var(--line);padding-top:15px;margin-top:20px;font-size:11px;line-height:1.6;color:var(--muted)}
.distance-source{margin-top:15px}
@media(max-width:900px){.distance-layout{grid-template-columns:minmax(0,1fr);gap:22px}.distance-stage{max-width:650px;width:100%;margin:0 auto}}
@media(max-width:640px){
 .distance-experiment{padding:19px 16px}
 .distance-heading{margin-bottom:18px}
 .distance-heading h2{font-size:21px}
 .distance-heading p{font-size:12px}
 .distance-heading .eyebrow{font-size:9px;letter-spacing:1.2px}
 .distance-layout{gap:18px}
 .distance-readout{padding:11px 12px;gap:3px;margin-top:10px}
 .distance-readout strong{font-size:22px}
 .distance-readout>span{font-size:11px}
 .distance-playback{margin-top:12px}
 .distance-playback .btn{padding:10px 12px;font-size:11px}
 .distance-playback output{font-size:17px}
 .distance-demo-status{font-size:11px;margin-top:10px;min-height:0}
 .distance-controls .range-row{margin:17px 0 12px}
}
@media(prefers-reduced-motion:reduce){.distance-position-change,.distance-size-change{transition:none}}
@media(max-width:640px){
 /* Keep the moving diagram and both sliders in the same phone-sized area. */
 .distance-layout{gap:10px}
 .distance-stage{display:contents}
 .distance-stage #gap-art{order:1}
 .distance-stage .distance-readout{order:2;margin-top:0}
 .distance-stage .distance-playback{order:3;margin-top:0}
 .distance-controls{order:4;margin-top:9px}
 .distance-stage .distance-demo-status{order:5;margin:0}
 .distance-stage .distance-scale-note{order:6}
}
@media(max-width:640px){.distance-diagram text{font-size:20px}}

/* Image provenance stays readable inside expanded cards on narrow screens. */
.sign-card .sign-credit{font-size:11px;line-height:1.6;overflow-wrap:anywhere;border-top:1px solid var(--line);padding-top:10px;margin:12px 0 0}.sign-credit a{color:var(--green);text-decoration:underline;text-underline-offset:2px}

/* Marathon shares the quiz layout and review flow on every screen size. */
.home-modes{grid-template-columns:repeat(4,minmax(0,1fr))}
.mode-tabs a{text-decoration:none;display:inline-flex;align-items:center;min-height:44px}
.marathon-intro .exam-facts strong{font-size:26px;line-height:1.2}
.marathon-position{font-size:12px;color:var(--muted);margin:-12px 0 20px}
.marathon-hint{font-size:12px;color:var(--muted);margin-top:12px}
.marathon-totals{display:grid;gap:6px;font-size:12px;margin-bottom:18px}
.marathon-totals strong{font-weight:650;color:var(--ink)}
.marathon-map summary{font-size:12px;cursor:pointer;min-height:44px;display:list-item;align-content:center}
.marathon-map .q-dots{max-height:290px;overflow-y:auto;overscroll-behavior:contain;padding:5px;margin:5px -5px 12px}
.marathon-map .q-dot{min-height:32px}
.wrong-dot{background:#bd6b4f}
@media(max-width:1200px){.home-modes{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){
 .home-modes{grid-template-columns:1fr}
 .marathon-intro .exam-facts{display:grid;grid-template-columns:1fr;gap:16px;padding:18px 0}
 .marathon-intro .exam-facts>div{display:grid;grid-template-columns:110px minmax(0,1fr);gap:12px;align-items:center;padding:0}
 .marathon-intro .exam-facts strong{font-size:20px;white-space:nowrap}
 .quiz-card .feedback{scroll-margin-top:16px;scroll-margin-bottom:100px}
 .mode-tabs{flex-wrap:wrap}
 .marathon-map .q-dots{grid-template-columns:repeat(5,minmax(0,1fr));max-height:280px}
 .marathon-map .q-dot{min-height:44px}
 .marathon-map summary{font-size:14px}
}

.bank-research{margin-bottom:25px}.bank-research p{font-size:13px;color:var(--muted);margin:12px 0;line-height:1.7}.bank-research .actions{margin:16px 0}

/* Bilingual explanations and chapter coverage share the mobile layout. */
.explanation-copy{overflow-wrap:anywhere}
.explanation-copy>p{line-height:1.7}
.explanation-translation{margin:12px 0 15px;padding:11px 14px;border:1px solid #cdd8bd;border-radius:9px;background:#ffffff80}
.explanation-translation summary{cursor:pointer;font-size:12px;font-weight:600;min-height:24px;line-height:24px}
.explanation-translation p{margin:9px 0 0!important;color:var(--muted);line-height:1.7}
.manual-coverage{margin-bottom:25px}
.manual-coverage .section-head{margin:0 0 10px;flex-wrap:wrap;gap:8px}
.manual-coverage h2{margin:0}
.manual-coverage>p{font-size:13px;line-height:1.7}
.manual-coverage ol{list-style:none;padding:0;margin:16px 0}
.manual-coverage li{display:flex;gap:20px;align-items:flex-start;justify-content:space-between;padding:17px 0;border-top:1px solid var(--line)}
.manual-coverage li>div{min-width:0}
.manual-coverage h3{font-size:15px;margin:0 0 6px}
.manual-coverage li p{font-size:12px;line-height:1.65;color:var(--muted);margin:0 0 10px}
.coverage-pages{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:11px;color:var(--muted)}
.coverage-count{flex:none;display:flex;flex-direction:column;align-items:flex-end;gap:4px;padding-top:2px}
.coverage-count strong{font-size:19px;white-space:nowrap}
.coverage-count>span{font-size:10px;color:var(--muted)}
.manual-coverage .coverage-note{font-size:12px;color:var(--muted)}
@media(max-width:640px){
 .explanation-translation summary{min-height:30px;line-height:1.6;padding:4px 0}
 .manual-coverage li{flex-wrap:wrap;gap:12px}
 .coverage-count{flex-direction:row;align-items:center;gap:10px}
 .coverage-count strong{font-size:17px}
}
.account-link{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--ink);text-decoration:none;white-space:nowrap}
.account-panel{max-width:680px;margin:0 0 24px}.auth-panel{max-width:500px}.account-panel h2{margin-bottom:16px}.account-panel p{line-height:1.65}.account-email{overflow-wrap:anywhere}
.account-panel form{display:grid;gap:18px}.account-panel label:not(.check-label){display:grid;gap:7px;font-size:13px;font-weight:600}
.account-panel input:not([type=checkbox]){width:100%;min-height:46px;border:1px solid #bdc6b7;border-radius:8px;padding:10px 12px;background:#fff;font:inherit;box-sizing:border-box}
.check-label{display:flex;align-items:flex-start;gap:12px;font-size:13px;line-height:1.65;cursor:pointer}.check-label input{flex:none;width:19px;height:19px;margin-top:3px;accent-color:#4c713a}
.form-error{color:#9a3c24;font-size:13px;margin:0;min-height:1em}.notice{padding:16px;border-radius:10px;background:#f2ead7;line-height:1.65}
.legal-copy{max-width:800px}.legal-copy h1{font-size:clamp(26px,4vw,40px);line-height:1.2;margin:16px 0}.legal-copy section{margin:30px 0}.legal-copy h2{font-size:19px;margin-bottom:12px}.legal-copy p{font-size:14px;line-height:1.8;color:#4c584c}
.consent-panel{max-width:800px;padding:24px;border:1px solid #b7c9a7;background:#f1f6e8;border-radius:14px;margin:28px 0}.consent-panel h2{margin-bottom:18px}.consent-panel .btn{margin-top:20px}
.delete-account{margin-top:24px;border-top:1px solid #ddd;padding-top:20px}.delete-account summary{cursor:pointer;color:#91452d;min-height:30px}.delete-account form{margin-top:16px}
.import-label{margin-top:18px}.footer-note a{color:inherit;text-underline-offset:3px}[data-sync-status][data-status=offline],[data-sync-status][data-status=conflict],[data-sync-status][data-status=expired]{color:#a04425;font-weight:600}
@media(max-width:600px){.account-link{font-size:11px}.top-actions{gap:10px}.account-panel,.consent-panel{padding:20px}.account-panel .actions{flex-direction:column;align-items:stretch}.account-panel input{font-size:16px!important}.legal-copy h2{font-size:18px}.footer-note{flex-wrap:wrap;gap:10px}.legal-copy a{overflow-wrap:anywhere}}