:root{--ink:#1e2b40;--muted:#66758b;--line:#e3e8ef;--bg:#f5f7fb;--white:#fff;--blue:#345ef7;--navy:#142135;--lime:#c3ee97;--radius:20px;--shadow:0 5px 24px #1b335007;--sidebar:236px;--font:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}a{color:inherit;text-decoration:none}button,a,input,select,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}img,svg{max-width:100%}button,input,select{color:inherit}input,select{min-height:44px}input[type=checkbox],input[type=radio]{min-height:auto;accent-color:var(--blue)}input[type=range]{accent-color:var(--blue)}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3,h4{line-height:1.22;letter-spacing:-.045em}h1{font-size:clamp(28px,2.5vw,40px);font-weight:750;margin-bottom:12px}h2{font-size:24px;font-weight:730}h3{font-size:19px;font-weight:700}h4{font-size:17px}p{color:var(--muted);margin-bottom:16px}small{font-size:11px}strong{font-weight:650}a:hover{color:var(--blue)}:focus-visible{outline:3px solid #7391ff;outline-offset:4px;border-radius:5px}[hidden]{display:none!important}.sr-only{position:absolute;clip:rect(0,0,0,0);width:1px;height:1px;overflow:hidden;white-space:nowrap}.skip{position:fixed;left:20px;top:-100px;z-index:100;background:white;padding:12px 20px}.skip:focus{top:20px}.request-progress{position:fixed;top:0;left:0;width:100%;height:3px;background:var(--blue);z-index:100;opacity:0;transform:scaleX(.2);transform-origin:left}.request-progress.htmx-request{opacity:1;animation:loading 1.2s ease infinite}@keyframes loading{from{transform:scaleX(.1)}to{transform:scaleX(.95)}}
.sidebar{width:var(--sidebar);height:100dvh;position:fixed;inset:0 auto 0 0;background:var(--navy);padding:32px 21px 24px;color:#9daac0;display:flex;flex-direction:column;z-index:30;overflow-y:auto}.brand{display:flex;align-items:center;gap:10px;color:white;font-size:28px;font-weight:750;letter-spacing:-1.6px;line-height:1}.brand:hover{color:white}.brand-dot{color:var(--lime)}.brand-caption{font-size:8px;letter-spacing:1.4px;margin:17px 0 40px;color:#8fa0b8;white-space:nowrap}.nav-label{font-size:9px;font-weight:650;letter-spacing:1.7px;color:#75869d;padding:0 13px;margin-bottom:13px}.sidebar nav{display:grid;gap:5px}.sidebar nav a{display:flex;align-items:center;gap:12px;padding:12px 12px;border-radius:9px;font-size:12px;font-weight:550;color:#a6b2c5;transition:background .2s,color .2s}.sidebar nav a:hover{background:#213148;color:#fff}.sidebar nav a[aria-current=page]{background:#345ef7;color:white;box-shadow:0 5px 17px #07122733}.nav-icon{width:20px;text-align:center;font-size:21px;line-height:1}.nav-pill{font-size:10px;margin-left:auto;background:#ffffff24;border-radius:5px;padding:0 5px}.sidebar-bottom{margin-top:auto;padding-top:40px}.source-link{display:flex;gap:12px;align-items:center;font-size:12px;color:#a6b2c5;margin:0 12px 22px}.source-link:hover{color:white}.source-link span{font-size:19px}.trust-card{padding:16px;background:#1c2d41;border:1px solid #334155;border-radius:12px;margin-bottom:18px}.trust-card strong{color:#e3eedb;font-size:12px}.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#6fad55;vertical-align:middle;flex-shrink:0}.trust-card .status-dot{margin-right:7px;background:var(--lime)}.trust-card p{color:#9cacc1;font-size:10px;line-height:1.75;margin:8px 0 0}.motion-toggle{border:0;background:none;color:#9dacc0;padding:4px 0;margin-bottom:16px;font-size:11px;display:flex;gap:10px;align-items:center}.motion-toggle[aria-pressed=true]{color:var(--lime)}.sidebar-bottom>small{display:block;color:#72839b;font-size:9px;line-height:1.7}.workspace{margin-left:var(--sidebar);min-height:100vh}.topbar{height:78px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:25px;padding:0 38px;background:#ffffffed;position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}.breadcrumb{display:flex;align-items:center;gap:14px;font-size:9px;color:#8b97a9;letter-spacing:1px;white-space:nowrap;min-width:0}.breadcrumb b{color:#526078;font-size:11px;font-weight:500;letter-spacing:0;overflow:hidden;text-overflow:ellipsis;max-width:225px}.breadcrumb span{color:#bfc8d4}.global-search{margin-left:auto;display:flex;align-items:center;background:#f5f7fa;border:1px solid #eaf0f5;border-radius:8px;height:36px;width:250px;flex-shrink:0;gap:8px;padding:0 10px}.global-search>span{font-size:23px;color:#93a0b2;line-height:1}.global-search input{min-height:34px;width:100%;background:none;border:0;outline:0;font-size:11px;color:#4b5a72}.global-search button{border:0;background:#e9edf3;border-radius:3px;color:#97a2b4;font-size:12px;line-height:18px;padding:0 5px}.location{display:flex;align-items:center;gap:7px;font-size:10px;font-weight:600;white-space:nowrap}.location span{color:#8490a2;font-weight:400}.location i{display:inline-block;width:6px;height:6px;background:#639351;border-radius:50%}.menu-button{display:none}#main{padding:35px 38px 36px;max-width:1560px;min-height:calc(100dvh - 150px);margin:0 auto;outline:none}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:27px}.page-heading p{margin-bottom:0;font-size:13px}.eyebrow{font-size:9px!important;font-weight:700;letter-spacing:1.6px;color:#7f8da2;margin-bottom:12px!important;line-height:1.5}.page-heading .eyebrow{color:#5e73a2}.soft-badge{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:9px;font-weight:600;letter-spacing:.3px;padding:8px 12px;border:1px solid var(--line);background:white;border-radius:30px;white-space:nowrap;color:#75839a}.button{min-height:45px;display:inline-flex;gap:14px;align-items:center;justify-content:center;font-size:12px;font-weight:650;line-height:1.3;padding:12px 18px;border:1px solid transparent;border-radius:8px;transition:transform .18s,background .18s,box-shadow .18s}.button:hover{transform:translateY(-1px)}.button:active{transform:translateY(0)}.primary{background:var(--blue);color:white;box-shadow:0 3px 8px #345ef71a}.primary:hover{background:#234cea;color:white;box-shadow:0 6px 14px #345ef729}.secondary{background:white;border-color:#dce3ed;color:#344760}.secondary:hover{background:#f7f9fd;color:var(--blue);border-color:#b7c6ed}.lime{background:var(--lime);color:#22352b}.lime:hover{background:#d2f7ae;color:#172e22}.danger{background:#fff6f5;color:#ae403b;border-color:#f1d4d1}.quiet{background:transparent;border-color:var(--line);color:#637189}.full{width:100%}.small{min-height:36px;font-size:11px;padding:8px 13px}.icon-button{border:1px solid var(--line);background:white;border-radius:9px;width:39px;height:39px;font-size:18px;display:inline-flex;align-items:center;justify-content:center}.icon-button:hover{background:#eef3ff;color:var(--blue)}.text-link{font-size:11px;color:var(--blue);font-weight:600}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.centered{justify-content:center}.pill{display:inline-flex;border:1px solid #e4e9f0;background:#f8fafc;color:#7a879a;border-radius:5px;padding:4px 7px;font-size:8px;font-weight:700;letter-spacing:.7px;white-space:nowrap}.pill-row{display:flex;gap:8px;flex-wrap:wrap}.small-muted,.empty-copy{color:#7e8ba0;font-size:11px}.footer{padding:14px 38px 25px;display:flex;gap:20px;justify-content:space-between;font-size:9px;color:#8c98aa;max-width:1560px;margin:auto}.footer a{color:#75869d}.card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow)}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:18px;margin:30px 0 16px}.section-heading h2,.section-heading h3{margin:0}.section-heading .eyebrow{margin-bottom:6px!important}.section-heading h2{font-size:23px}.card>.section-heading:first-child{margin-top:0}.hero{display:grid;grid-template-columns:1fr 1.12fr;background:var(--navy);border-radius:23px;overflow:hidden;color:#fff;min-height:318px;position:relative}.hero-copy{padding:34px 35px;z-index:2}.hero-kicker{font-size:9px;color:#a3b2c9;letter-spacing:1.8px;font-weight:600}.hero h2{font-size:clamp(29px,3vw,45px);margin:18px 0 14px;letter-spacing:-1.5px;line-height:1.11}.hero h2 em{font-style:normal;color:var(--lime)}.hero p{font-size:12px;color:#a9b7cb;line-height:1.8;margin-bottom:20px}.hero .button{font-size:11px;gap:30px}.hero-note{display:flex;align-items:center;gap:8px;margin-top:16px;font-size:9px;color:#8ea0ba}.hero-note>span{font-size:16px}.hero-visual{background:radial-gradient(ellipse at center,#283e50 0,transparent 80%);position:relative;display:flex;align-items:center;min-width:0;padding:14px 18px 35px 0}.mini-scene{width:100%}.mini-scene svg{width:100%;display:block}.hero-route{animation:dash-flow 25s linear infinite}@keyframes dash-flow{to{stroke-dashoffset:150}}.visual-tag{position:absolute;top:20px;right:23px;display:flex;align-items:center;gap:8px;padding:7px 9px;background:#203349a6;border:1px solid #405065;border-radius:6px;font-size:9px;color:#dee9ef}.visual-tag .status-dot{background:var(--lime);width:5px;height:5px}.tag-small{margin-left:10px;color:#8d9daf;font-size:7px;letter-spacing:1px}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:23px 0}.stat{display:flex;align-items:center;gap:14px;padding:21px 18px;background:white;border:1px solid var(--line);border-radius:13px;min-width:0}.stat-icon{display:grid;place-items:center;width:43px;height:43px;border-radius:11px;font-size:25px;flex-shrink:0}.blue{background:#eef2ff;color:#4b6bf5}.green{background:#eef6e8;color:#669645}.amber{background:#fff6e8;color:#c99545}.violet{background:#f3effb;color:#9973c5}.stat strong{font-size:24px;letter-spacing:-1px;font-weight:750;line-height:1.1;display:block}.stat div>span{display:block;font-size:9px;color:#8592a5;margin-top:6px}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.feature-card{padding:24px;background:white;border:1px solid var(--line);border-radius:17px;transition:transform .2s,border .2s,box-shadow .2s;display:flex;flex-direction:column}.feature-card:hover{transform:translateY(-4px);border-color:#c1ceec;box-shadow:0 12px 30px #1b335012;color:var(--ink)}.feature-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:24px}.feature-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;font-size:27px}.feature-card h3{font-size:19px;margin-bottom:10px}.feature-card p{font-size:11px;line-height:1.85;margin-bottom:20px}.card-action{display:flex;justify-content:space-between;align-items:center;color:var(--blue);font-size:10px;font-weight:650;border-top:1px solid #edf0f5;padding-top:16px;margin-top:auto}.card-action b{font-size:18px}.tiny-signs{display:flex;align-items:center;height:42px}.tiny-signs img{width:42px;height:42px}.tiny-signs img+img{margin-left:-7px;transform:rotate(8deg)}.bottom-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:18px;margin-top:23px}.next-lesson{padding:21px 24px}.next-lesson .section-heading{margin-bottom:19px}.next-lesson h3{font-size:14px}.lesson-pick{display:flex;align-items:center;gap:15px}.lesson-number{color:#7f93b9;background:#f0f4fb;border-radius:10px;width:44px;height:48px;display:grid;place-items:center;font-size:16px;font-weight:700;flex-shrink:0}.lesson-pick h4{font-size:13px;margin:0 0 6px}.lesson-pick p{font-size:10px;margin:0}.lesson-pick .icon-button{margin-left:auto;flex-shrink:0;border:0;background:#f5f7fb}.source-banner{display:flex;gap:18px;align-items:center;padding:22px 25px;background:#ecf2e7;border:1px solid #dfe8d9;border-radius:17px}.shield{font-size:45px;line-height:1;color:#6f9564}.source-banner h3{font-size:14px;margin-bottom:6px;color:#3f5a37}.source-banner p{font-size:10px;color:#7a8b72;margin:0 0 9px}.source-banner a{font-size:10px;color:#5a784d;font-weight:650}
/* Parking lab */
.lesson-tabs{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-bottom:21px}.lesson-tabs a{border:1px solid var(--line);border-radius:9px;background:#fff;padding:12px 13px;transition:all .18s}.lesson-tabs span{font-size:11px;font-weight:650;display:block}.lesson-tabs small{font-size:9px;display:block;color:#8e9aad;margin-top:3px}.lesson-tabs a[aria-current=page]{background:#edf2ff;border-color:#a8bafb;color:var(--blue);box-shadow:inset 0 -2px #5677f6}.lesson-tabs a[aria-current=page] small{color:#7792cb}.parking-workspace{display:grid;grid-template-columns:minmax(0,1fr) 273px;gap:22px;align-items:start}.lab-main{min-width:0;background:#fff;border:1px solid var(--line);border-radius:17px;overflow:hidden}.lab-toolbar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:14px 18px;background:#1b2b40;color:#d9e4ee}.lab-toolbar>div{display:flex;align-items:center;gap:9px;min-width:0}.live-dot{width:5px;height:5px;border-radius:50%;background:var(--lime)}.lab-toolbar strong{font-size:11px;font-weight:550;white-space:nowrap}.lab-dimension{font-size:7px;color:#7f93a9;letter-spacing:1px;padding-left:10px;border-left:1px solid #405063}.lab-button{border:1px solid #46556a;background:#26374c;color:#c0cfdb;font-size:8px;padding:5px 8px;border-radius:5px;white-space:nowrap}.scene-wrap{position:relative;background:#1e3042;overflow:hidden;isolation:isolate}#parking-scene{width:100%;height:auto;display:block;aspect-ratio:12/7;min-height:260px}.scene-legend{position:absolute;top:14px;left:17px;display:flex;gap:15px;font-size:7px;color:#9babbd;pointer-events:none}.scene-legend span{display:flex;gap:5px;align-items:center}.scene-legend i{width:7px;height:7px;border-radius:2px}.legend-car{background:var(--lime)}.legend-path{background:#71c9df}.legend-swing{background:#ffb979}.scene-hud{position:absolute;bottom:14px;left:16px;background:#102032df;border:1px solid #3c4e60;border-radius:8px;padding:8px 11px;display:flex;align-items:center;gap:13px;color:#e6f1f5;pointer-events:none}.gear-readout{background:#33465a;padding:2px 8px;border-radius:5px;color:var(--lime);font-size:20px;font-weight:650}.scene-hud strong{font-size:15px;font-weight:600;display:block;line-height:1.3}.scene-hud small{font-size:6px;color:#92a7ba;display:block;letter-spacing:.3px}.steering-gauge{display:flex;align-items:center;gap:6px;border-left:1px solid #33485c;padding-left:10px}.steering-gauge svg{width:31px;height:31px;color:#a8bdcc}.scene-alert{position:absolute;top:57px;left:50%;transform:translateX(-50%);background:#fff9efed;border:1px solid #f3bf7d;border-radius:10px;padding:14px 18px;max-width:85%;width:350px;box-shadow:0 5px 30px #111b2f40;font-size:11px;z-index:5}.scene-alert strong{color:#8b5821}.scene-alert p{font-size:10px;margin:5px 0 10px;color:#896849}.scene-alert .button{font-size:10px;min-height:31px}.playback{padding:17px 19px 12px}.playback-top{display:flex;align-items:center;gap:12px}.transport{display:flex;align-items:center;gap:5px}.transport .icon-button{border:0;font-size:20px;width:30px;height:34px}.play-button{display:flex;gap:7px;align-items:center;justify-content:center;background:var(--blue);color:white;border:0;border-radius:7px;font-size:11px;padding:9px 15px;min-width:113px;min-height:35px}.speed-select{margin-left:auto}.speed-select select{border:0;color:#657890;font-size:10px;background:#f4f7fb;padding:4px;border-radius:4px;min-height:30px;max-width:90px}.time-readout{font-size:9px;font-variant-numeric:tabular-nums;color:#8290a4;white-space:nowrap}.time-readout>span:first-child{color:#314664;font-weight:650}.timeline{display:block;width:100%;min-height:20px;height:20px;margin:10px 0 0;cursor:pointer}.stage-ticks{display:flex;justify-content:space-between;gap:4px;margin:0 2px 11px}.stage-ticks button{background:none;border:0;color:#8a97aa;font-size:8px;text-align:left;padding:3px}.stage-ticks button[data-active=true]{color:var(--blue);font-weight:650}.playback-bottom{display:flex;align-items:center;gap:14px;border-top:1px solid #edf0f5;padding-top:10px;color:#8391a5;font-size:8px;flex-wrap:wrap}.playback-bottom label{display:flex;align-items:center;gap:4px;white-space:nowrap}.playback-bottom input{width:12px;height:12px;margin:0}.clearance{display:flex;gap:5px;align-items:center;margin-left:auto;font-size:8px;color:#7e9472}.lab-settings{display:grid;grid-template-columns:1fr 1fr 1fr;gap:13px;padding:17px 19px;border-top:1px solid var(--line);background:#fcfdff}.lab-settings label{font-size:8px;color:#8b99aa;font-weight:600;min-width:0}.lab-settings select{display:block;width:100%;min-height:34px;border:1px solid #e1e7ef;border-radius:6px;background:#fff;padding:6px 8px;font-size:9px;color:#5f7085;margin-top:5px}.model-note{display:flex;gap:10px;padding:12px 19px;background:#f8fafc;border-top:1px solid #edf1f6;color:#8fa0b3}.model-note span{font-size:14px}.model-note p{font-size:8px;color:#8d9aab;margin:0;line-height:1.7}.coach-panel{background:#fff;border:1px solid var(--line);padding:22px 22px 18px;border-radius:17px;min-width:0}.coach-header{display:flex;justify-content:space-between;align-items:start;gap:5px}.coach-header .eyebrow{font-size:8px!important;line-height:1.7;color:#7d8ea8}.coach-header .pill{font-size:7px;padding:3px 5px}.coach-panel h2{font-size:23px;margin:8px 0 13px}.coach-description{font-size:11px;line-height:1.8}.observation{display:flex;gap:10px;padding:13px;background:#eff5ea;border:1px solid #e1ebdb;border-radius:9px;margin:18px 0}.observation>span{color:#84a867;font-size:20px;line-height:1.3}.observation strong{font-size:10px;line-height:1.5;color:#547044;display:block}.observation p{font-size:9px;line-height:1.65;color:#7d9071;margin:5px 0 0}.coach-steps{list-style:none;margin:22px 0;padding:0;counter-reset:stage}.coach-steps li{counter-increment:stage;position:relative;padding:0 0 17px 32px;font-size:10px;color:#98a4b6}.coach-steps li:last-child{padding-bottom:0}.coach-steps li:before{content:counter(stage);position:absolute;left:0;top:-2px;width:22px;height:22px;border:1px solid #e0e7ef;border-radius:50%;display:grid;place-items:center;font-size:8px;background:#fff;z-index:1}.coach-steps li:not(:last-child):after{content:"";position:absolute;left:10px;top:20px;bottom:0;width:1px;background:#e9edf2}.coach-steps li[data-active=true]{color:#335aab;font-weight:650}.coach-steps li[data-active=true]:before{background:var(--blue);border-color:var(--blue);color:white}.coach-steps button{border:0;background:none;padding:0;text-align:left;color:inherit;font:inherit;line-height:1.7}.why-card{border-top:1px solid var(--line);padding-top:17px;margin-top:23px}.why-card .eyebrow{font-size:8px!important}.why-card p{font-size:10px;line-height:1.8;color:#8693a5}.coach-panel .small-muted{font-size:8px;text-align:center;margin:9px 0 0}.manual-panel{display:grid;grid-template-columns:1.2fr 1fr;gap:30px;align-items:center;margin-top:23px;padding:23px 25px}.manual-panel h2{font-size:22px;margin-bottom:8px}.manual-panel p{font-size:11px;line-height:1.8;margin:0;max-width:550px}.manual-controls{text-align:right}.manual-inputs{display:flex;gap:12px;flex-wrap:wrap;align-items:end;margin-top:14px;text-align:left}.manual-inputs label{font-size:9px;color:#7b8da1}.manual-inputs select{display:block;font-size:10px;min-height:35px;border:1px solid var(--line);border-radius:5px;background:white;padding:5px}.manual-inputs input{display:block;min-height:30px;width:140px}.manual-inputs button{min-height:35px;user-select:none;-webkit-user-select:none}.manual-inputs small{font-size:8px;color:#8492a6;width:100%}.tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.tip-card{display:flex;gap:15px;padding:18px 20px;background:white;border:1px solid var(--line);border-radius:12px}.tip-card>span{color:#aec0d3;font-size:17px;font-weight:650}.tip-card p{margin:0;font-size:11px;line-height:1.8}.reference-strip{display:flex;justify-content:space-between;gap:20px;margin-top:18px;align-items:center}.source-ref{font-size:9px;color:#6f89b8;display:inline-block;line-height:1.7}.source-ref:hover{color:var(--blue);text-decoration:underline}.reference-strip>span{font-size:8px;color:#99a5b4}.parking-workspace.focus-view{grid-template-columns:1fr}.parking-workspace.focus-view .coach-panel{display:none}.parking-workspace.focus-view #parking-scene{max-height:70vh}
/* Practice and question experience */
.practice-hero{display:grid;grid-template-columns:1.1fr 1fr;background:#ecf1fe;border:1px solid #dbe4f8;border-radius:20px;padding:34px 40px;gap:35px;margin-bottom:26px}.practice-hero .eyebrow{color:#657cba}.practice-hero h2{font-size:36px;color:#273f73;line-height:1.15}.practice-hero p{font-size:12px;max-width:410px;color:#7d8ba6}.practice-hero .pill{font-size:7px;background:#ffffff7f;border-color:#dce4f5;color:#7790b9}.question-art{align-self:center;justify-self:center;position:relative;width:310px;padding:12px;transform:rotate(-4deg)}.floating-sign{position:absolute;right:-12px;top:-37px;z-index:1;transform:rotate(15deg)}.floating-sign img{width:66px;height:66px;filter:drop-shadow(0 5px 6px #29415b1c)}.fake-answer{display:flex;gap:12px;align-items:center;border:1px solid #dbe3f2;border-radius:9px;background:#f6f8ff;padding:13px 12px;margin:8px 0;box-shadow:0 6px 12px #2b487607;color:#9ca8be;font-size:10px}.fake-answer>span{border-radius:5px;background:#e8edf8;display:grid;place-items:center;width:25px;height:25px;font-size:9px}.fake-answer i{margin-left:auto;font-style:normal}.fake-answer.good{background:white;border-color:#a3c494;color:#537848;transform:translateX(10px);box-shadow:0 10px 20px #8ba39a14}.fake-answer.good>span{background:#edf6e7;color:#6d9855}.practice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.practice-card{display:flex;flex-direction:column;padding:25px}.practice-card h2{font-size:23px}.practice-card p{font-size:11px;line-height:1.85}.field-label{font-size:10px;color:#8493a8;margin:4px 0 7px}.practice-card select{border:1px solid var(--line);border-radius:7px;width:100%;padding:10px;font-size:11px;background:#fbfcfe;margin-bottom:17px}.practice-card>.button,.practice-card>form{margin-top:auto}.practice-card small{font-size:8px;color:#98a4b5;margin-top:12px;text-align:center;line-height:1.7;display:block}.challenge-note{padding:14px 15px;background:#f6f3fb;border:1px solid #e8e1f5;border-radius:7px;margin:7px 0 18px;font-size:10px}.challenge-note strong{display:block;color:#8d76ae;font-size:9px}.challenge-note span{display:block;color:#9b8bad;font-size:9px;line-height:1.7;margin-top:7px}.review-count{margin:auto 0 22px;display:flex;align-items:center;gap:12px;color:#9eafb0}.review-count strong{font-size:39px;font-weight:650;color:#60885c}.review-count span{font-size:10px}.notice{display:flex;gap:15px;align-items:flex-start;background:#f0f3f9;border:1px solid #e3e9f3;border-radius:11px;padding:17px 20px;margin:26px 0 0}.notice>span{color:#8da1be;font-size:18px;line-height:1.6}.notice p{font-size:11px;line-height:1.8;margin:0;color:#8190a5}.notice a{color:#4f71ab;text-decoration:underline}.amber-notice{background:#fff7ed;border-color:#f1dfc9}.amber-notice p,.amber-notice>span{color:#a3855f}.quiz-shell{max-width:760px;margin:8px auto 20px}.quiz-top{display:flex;align-items:center;gap:20px;margin-bottom:32px}.quiz-top>.pill{margin-left:auto}.quiz-clock{font-size:12px;color:#876aa9;white-space:nowrap;font-variant-numeric:tabular-nums}.quiz-progress-label{display:flex;justify-content:space-between;gap:15px;font-size:10px;color:#8c98ab;margin-bottom:10px}.quiz-progress-label strong{color:#3d577e}.quiz-progress{width:100%;height:5px;border:0;background:#e4eaf3;display:block;border-radius:5px;overflow:hidden;margin-bottom:25px}.quiz-progress::-webkit-progress-bar{background:#e4eaf3}.quiz-progress::-webkit-progress-value{background:var(--blue);border-radius:5px}.quiz-progress::-moz-progress-bar{background:var(--blue)}.question-card{background:white;border:1px solid var(--line);border-radius:20px;padding:37px 40px}.question-card h1{font-size:26px;line-height:1.35;margin-bottom:26px}.quiz-sign{text-align:center;margin:5px 0 20px}.quiz-sign img{width:125px;height:125px}.answer-form fieldset{margin:0 0 20px;padding:0;border:0}.answer{border:1px solid #e1e7f0;border-radius:10px;min-height:59px;padding:13px 16px;margin-bottom:11px;display:flex;align-items:center;gap:14px;font-size:12px;color:#64748a;transition:background .18s,border .18s}.answer input{width:14px;height:14px;flex-shrink:0;margin:0}.answer:has(input){cursor:pointer}.answer:has(input):hover{background:#f6f8fe;border-color:#bfceef}.answer:has(input:checked){background:#edf2ff;border-color:#7796f1;color:#3f5dab;box-shadow:0 0 0 1px #7796f1}.answer-letter{display:inline-grid;place-items:center;background:#f0f3f8;border-radius:5px;width:26px;height:26px;font-size:10px;color:#8b9ab2;flex-shrink:0}.answer>strong{margin-left:auto;font-size:9px;white-space:nowrap;font-weight:600}.answer-correct{background:#f0f7eb;border-color:#bdd5aa;color:#5b7b43}.answer-correct .answer-letter{background:#e4f0d9;color:#67874d}.answer-wrong{background:#fff3f1;border-color:#ebc4bd;color:#aa766d}.feedback{background:#eff7eb;border:1px solid #d7e8ce;border-radius:11px;padding:20px;margin:24px 0 20px}.feedback h2{font-size:18px;color:#5c7e45;margin-bottom:9px}.feedback p{font-size:12px;line-height:1.8;color:#718667;margin-bottom:12px}.feedback .source-ref{font-size:9px;color:#799269}.feedback small{display:block;font-size:8px;color:#92a786;margin-top:4px}.feedback-learn{background:#f1f4fc;border-color:#dce5f8}.feedback-learn h2{color:#5f7dac}.feedback-learn p,.feedback-learn .source-ref,.feedback-learn small{color:#7f91b0}.quiz-disclaimer{font-size:9px;color:#9ca7b7;text-align:center;margin:20px 0}.results-head{text-align:center;max-width:710px;margin:5px auto 35px}.results-head h1{font-size:33px}.results-head>p{font-size:13px}.score-ring{width:155px;height:155px;border:9px solid #dce9d3;border-radius:50%;background:#f0f6eb;margin:22px auto;display:flex;align-items:center;justify-content:center;flex-direction:column}.score-ring strong{font-size:45px;line-height:1.15;letter-spacing:-2px;color:#627e4f}.score-ring strong span{font-size:22px;color:#a0b28c}.score-ring small{font-size:9px;color:#91a282;letter-spacing:.5px}.results-list{max-width:980px;margin:auto}.result-item{background:white;border:1px solid var(--line);border-radius:12px;margin-bottom:12px}.result-item>summary{list-style:none;display:flex;gap:16px;align-items:center;cursor:pointer;padding:19px 23px}.result-item>summary::-webkit-details-marker{display:none}.result-status{font-size:18px;width:31px;height:31px;display:grid;place-items:center;border-radius:50%;flex-shrink:0}.result-status.right{background:#eaf5e3;color:#7d9a67}.result-status.wrong{background:#fff3e8;color:#bc9669}.result-item summary strong{font-size:13px;display:block;line-height:1.6}.result-item summary small{font-size:8px;color:#9aa7b8;letter-spacing:1px}.detail-plus{margin-left:auto;color:#9daabf;font-size:20px}.result-item[open] .detail-plus{transform:rotate(45deg)}.result-content{padding:0 23px 21px 69px}.result-content p{font-size:12px;line-height:1.8;margin:10px 0}.review-sign{width:70px;height:70px;float:right;margin:0 0 10px 15px}
/* Library, guides, progress, sources */
.library-filter{display:flex;gap:12px;align-items:center;padding:15px 18px;background:white;border:1px solid var(--line);border-radius:12px;margin:23px 0}.search-field{display:flex;align-items:center;gap:12px;flex:1;min-width:120px}.search-field>span{font-size:26px;color:#9caabd;line-height:1}.search-field input{border:0;background:transparent;min-width:0;width:100%;font-size:12px;outline:0}.library-filter select{font-size:11px;background:#f8fafd;border:1px solid var(--line);border-radius:7px;padding:8px 10px;max-width:190px}.library-filter .button{min-height:39px}.library-filter .text-link{padding:0 7px}.sign-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.sign-card{padding:20px;background:white;border:1px solid var(--line);border-radius:16px;display:flex;flex-direction:column;transition:box-shadow .2s}.sign-card:hover{box-shadow:0 7px 25px #1b33500e}.sign-card-top{display:flex;justify-content:space-between;align-items:center}.sign-card-top .pill{font-size:7px}.bookmark{border:0;background:transparent;color:#a9b6c9;font-size:23px;padding:0;line-height:1;min-width:30px;min-height:30px}.bookmark[aria-pressed=true]{color:#d5a249}.sign-illustration{padding:23px 0 15px;min-height:145px;display:flex;align-items:center;justify-content:center}.sign-card h2{font-size:17px;margin-bottom:10px;letter-spacing:-.03em}.sign-card p{font-size:10px;line-height:1.8;margin-bottom:14px}.sign-answer{display:flex;flex-direction:column;flex:1}.sign-trap{background:#f8f9fc;border-left:2px solid #d6e0ee;padding:8px 11px;margin-top:auto;margin-bottom:12px}.sign-trap strong{font-size:8px;color:#8798af}.sign-trap p{font-size:9px;color:#96a3b5;margin:3px 0 0}.sign-card .source-ref{font-size:7px}.sign-grid>.empty-state{grid-column:1/-1}.sign-card.flash-hidden .sign-answer{display:none}.sign-card.flash-hidden{min-height:300px}.sign-card.flash-hidden .reveal-sign{margin-top:auto}.guide-intro{display:flex;align-items:center;gap:25px;padding:25px 33px;border:1px solid #dfe8d8;background:#eef4e8;border-radius:16px;margin-bottom:24px}.big-quote{font-family:Georgia,serif;font-size:82px;line-height:1;color:#bfd1aa;transform:translateY(15px)}.guide-intro p{color:#799269;font-size:17px;line-height:1.7;margin:0}.guide-intro strong{color:#577047;font-weight:600}.guide-intro .pill{margin-left:auto;background:#f4f8ef;color:#8b9e7d;border-color:#dde8d2}.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:start}.guide-card{scroll-margin-top:100px}.guide-card .feature-top{margin-bottom:16px}.guide-number{font-size:29px;letter-spacing:-1px;color:#c4cfdc;font-weight:650}.guide-card h2{font-size:24px;line-height:1.25;max-width:90%;margin-bottom:13px}.guide-lead{font-size:12px;line-height:1.8}.guide-card details>summary{padding:13px 0 0;border-top:1px solid var(--line);font-size:11px;color:#6885b3;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between}.guide-card details>summary::-webkit-details-marker{display:none}.guide-card details[open]>summary>span{transform:rotate(45deg)}.guide-details{padding-top:21px}.guide-details ol{padding:0 0 0 24px;counter-reset:guide}.guide-details li{padding:0 0 10px 5px;color:#9aabc0;font-size:11px}.guide-details h3{font-size:13px;color:#567195;letter-spacing:-.01em;margin-bottom:5px}.guide-details p{font-size:11px;line-height:1.8;margin:0 0 10px}.guide-trap{padding:15px 16px;background:#fff7ec;border:1px solid #f1e5d2;border-radius:8px;margin:5px 0 14px}.guide-trap strong{font-size:9px;color:#a9906a}.guide-trap p{font-size:11px;color:#ac987b;margin:5px 0 0}.guide-check{display:flex;align-items:center;gap:8px;font-size:10px;color:#7d91aa;margin-top:18px}.guide-check input{width:14px;height:14px}.progress-layout{display:grid;grid-template-columns:1.25fr 1fr;gap:22px;margin:26px 0}.progress-layout .card h2{font-size:23px}.topic-row{margin:17px 0}.topic-row>div{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:#7c8ca3;margin-bottom:7px}.topic-row>div strong{font-weight:550;color:#5b7090}.topic-row progress{width:100%;height:5px;appearance:none;background:#eef2f7;border:0;border-radius:8px;display:block;overflow:hidden}.topic-row progress::-webkit-progress-bar{background:#eef2f7}.topic-row progress::-webkit-progress-value{background:#7896d7;border-radius:8px}.topic-row progress::-moz-progress-bar{background:#7896d7}.review-panel{background:#eff4eb;border-color:#dfe8d8}.review-panel .eyebrow{color:#8a9e7a}.review-panel h2{color:#5b744b}.review-panel p{font-size:12px;color:#8b9b80;line-height:1.8}.review-panel .small-muted{display:block;font-size:9px;color:#99a78e;margin-top:14px}.saved-section{margin-bottom:24px}.saved-signs{display:flex;gap:20px;flex-wrap:wrap}.saved-signs a{display:flex;flex-direction:column;align-items:center;gap:8px;font-size:10px;color:#7a8ba3;min-width:70px;padding:12px;background:#f9fbfd;border:1px solid #e9edf5;border-radius:10px}.saved-signs .empty-copy{margin:3px 0}.data-card{display:flex;justify-content:space-between;gap:25px;align-items:center}.data-card h2{font-size:24px}.data-card p{max-width:500px;font-size:11px;line-height:1.8;margin:0}.data-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.data-actions .button{font-size:10px;white-space:nowrap}.file-button{cursor:pointer;position:relative;overflow:hidden}.file-button input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;font-size:0}.trust-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:25px 0}.trust-summary>div{padding:25px;background:white;border:1px solid var(--line);border-radius:15px}.trust-summary h2{font-size:21px;margin:17px 0 11px}.trust-summary p{font-size:11px;line-height:1.8;margin-bottom:0}.source-list{margin-top:25px}.source-card{display:grid;grid-template-columns:175px 1fr auto;gap:25px;align-items:center;padding:24px;background:white;border:1px solid var(--line);border-radius:13px;margin-bottom:13px}.source-type .pill{font-size:7px;white-space:normal}.source-type small{display:block;font-size:9px;color:#93a1b5;margin-top:9px}.source-card h2{font-size:18px;margin-bottom:8px}.source-card p{font-size:11px;line-height:1.8;margin-bottom:7px}.source-card .small-muted{font-size:9px}.source-card .button{font-size:9px;white-space:nowrap}.source-policy{margin-top:26px}.source-policy h2{font-size:23px}.source-policy p{font-size:12px;line-height:1.9}.search-results{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:22px}.search-result .pill{margin-bottom:18px}.search-result h2{font-size:21px}.search-result p{font-size:12px}.search-results>.empty-state{grid-column:1/-1}.empty-state{text-align:center;padding:65px 30px;max-width:720px;margin:auto}.empty-art{font-size:60px;color:#a6b6cf;line-height:1.5;display:block}.empty-state h1{font-size:30px}.empty-state h2{font-size:25px}.empty-state p{font-size:13px}.empty-state .button{margin-top:10px}.toast{position:fixed;bottom:25px;left:calc(50% + 90px);transform:translateX(-50%);background:#172c42;color:#eef7ec;border:1px solid #466079;border-radius:9px;box-shadow:0 12px 40px #15203430;padding:13px 23px;z-index:100;max-width:calc(100vw - 40px);font-size:12px;animation:toast-in .2s ease-out}.noscript{position:fixed;bottom:0;right:0;left:var(--sidebar);padding:10px 20px;background:#fff4da;border-top:1px solid #ead39e;color:#897045;font-size:12px;z-index:50}@keyframes toast-in{from{opacity:0;bottom:15px}to{opacity:1;bottom:25px}}
::view-transition-old(root){animation:page-out .12s ease both}::view-transition-new(root){animation:page-in .2s ease both}@keyframes page-in{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}@keyframes page-out{to{opacity:0}}#main.htmx-added{opacity:0}#main.htmx-settling{transition:opacity .15s}details[open]>.guide-details{animation:page-in .2s ease-out}
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