@font-face{font-family:Satoshi;src:url('/fonts/Satoshi-Variable.woff2') format('woff2');font-style:normal;font-weight:300 900;font-display:swap}
:root{--ink:#19241f;--muted:#627167;--forest:#245b40;--forest-dark:#19462f;--pale:#e9f2eb;--bg:#f5f7f5;--line:#dce3dd;--yellow:#f0cb62;--red:#a72e2b;--red-light:#fff2ef;--white:#fff;--radius:16px;font-family:Satoshi,Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}
*{box-sizing:border-box}body{margin:0;line-height:1.55}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}a{color:var(--forest);text-underline-offset:4px}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid 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40px;display:flex;align-items:center;gap:54px}.brand{display:flex;align-items:center;gap:12px;text-align:left;font-size:1.2rem;font-weight:850;line-height:1.2;padding:0;white-space:nowrap}.brand-badge{background:var(--yellow);color:var(--ink);width:42px;height:47px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;font-size:1.2rem;font-weight:900;letter-spacing:-.08em;box-shadow:inset 0 0 0 1px #00000012}.brand-caption{display:block;font-size:.54rem;letter-spacing:.1em;font-weight:700;margin-top:6px}.header nav{display:flex;align-self:stretch;gap:28px}.header nav button{font-size:.87rem;font-weight:650;padding:0;position:relative;color:var(--muted)}.header nav button.active{color:var(--forest)}.header nav button.active:after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--forest)}.account{display:flex;align-items:center;gap:12px;margin-left:auto;font-size:.85rem;font-weight:750}.account 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32px;position:relative;overflow:hidden}.practice-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}.pill{display:inline-block;padding:5px 10px;border:1px solid var(--line);border-radius:6px;font-size:.72rem;line-height:1.45;font-weight:650;white-space:nowrap}.light-pill{color:#eff7f0;border-color:#ffffff3b;font-size:.67rem;letter-spacing:.07em}.route-number{font-size:1.1rem;font-weight:500;color:#b8d0c0}.main-practice h2{font-size:2.2rem;line-height:1.12;letter-spacing:-.035em;max-width:540px;margin-bottom:16px}.main-practice p{color:#d8e7dd;max-width:490px;font-size:.95rem;margin-bottom:28px}.practice-bottom{display:flex;align-items:center;gap:24px}.practice-bottom>span{color:#c5dbcd;font-size:.73rem;line-height:1.65}.button{display:inline-flex;justify-content:center;align-items:center;gap:12px;min-height:48px;padding:12px 20px;border-radius:10px;background:var(--forest);color:white;font-weight:700;font-size:.9rem;border:1px solid transparent;transition:background .15s,transform .15s}.button:hover:not(:disabled){background:var(--forest-dark);transform:translateY(-1px)}.button.cream{background:var(--yellow);color:var(--ink)}.button.cream:hover{background:#f8d779}.button.secondary{background:white;border-color:var(--line);color:var(--ink)}.button.secondary:hover{background:var(--pale)}.button.small{min-height:40px;padding:9px 14px;font-size:.82rem}.wide{width:100%}.mode-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:18px 0 34px}.mode-card{text-align:left;border:1px solid var(--line);background:white;border-radius:12px;padding:20px 18px;display:flex;flex-direction:column;min-height:210px;transition:border-color .15s,transform .15s}.mode-card:hover:not(:disabled){border-color:var(--forest);transform:translateY(-2px)}.mode-card:disabled{opacity:1;background:#f1f4f1}.mode-card:disabled .mode-icon{background:#e7ebe7;color:#879088}.mode-icon{display:grid;place-items:center;background:var(--pale);color:var(--forest);width:35px;height:35px;border-radius:8px;margin-bottom:16px}.mode-card h3{font-size:.93rem;margin:0 0 9px}.mode-card p{font-size:.8rem;color:var(--muted);line-height:1.55;margin-bottom:18px}.card-bottom{margin-top:auto;font-size:.74rem;font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:5px}.card-bottom svg{width:16px;height:16px}.panel{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:white}.section-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.section-title h2{font-size:1.02rem;margin:0}.section-title>span{font-size:.71rem;color:var(--muted)}.small-tag{font-size:.57rem!important;letter-spacing:.1em;background:var(--pale);padding:4px 7px;border-radius:4px;font-weight:750;color:var(--forest)!important}.progress-number{font-size:4rem;font-weight:800;letter-spacing:-.07em;line-height:1.15;margin-top:26px}.progress-number>span{font-size:2rem;margin-left:5px;font-weight:500}.progress-panel>p{font-size:.78rem;color:var(--muted);margin:6px 0 19px}.progress-track,.mini-progress,.quiz-progress{overflow:hidden;background:#e7ece8;border-radius:100px}.progress-track>span,.mini-progress>span,.quiz-progress>span{height:100%;display:block;background:var(--forest);border-radius:100px;transition:width .25s}.progress-track{height:6px}.progress-stats{margin-top:26px;display:grid;gap:17px}.progress-stats>div{display:flex;flex-direction:row-reverse;align-items:center;justify-content:space-between}.progress-stats strong{font-size:1.12rem;font-weight:750}.progress-stats small{color:var(--muted);font-weight:400;font-size:.77rem}.progress-stats div>span{font-size:.78rem;color:var(--muted)}.study-note{padding:25px 6px 24px;border-bottom:1px solid var(--line)}.study-note .eyebrow{font-size:.62rem;color:var(--muted);margin:0 0 13px}.study-note h3{font-size:1.03rem;margin-bottom:13px}.study-note ol{padding-left:19px;margin:0 0 17px;font-size:.82rem;color:var(--muted)}.study-note li{padding:4px 0 4px 4px}.study-note p{font-size:.77rem;color:var(--muted);margin:0}.recent{padding-top:25px}.empty-note{padding:20px;background:#edf1ed;border-radius:10px;color:var(--muted);font-size:.85rem}.history-row{display:flex;justify-content:space-between;gap:10px;padding:13px 0;border-bottom:1px solid var(--line);text-align:left;width:100%;font-size:.82rem}.history-row small{display:block;color:var(--muted);font-size:.7rem;margin-top:3px}.history-row strong{font-size:1.1rem}.source-note{display:flex;gap:12px;color:var(--muted);padding:26px 3px}.source-note svg{margin-top:3px}.source-note p{font-size:.76rem;margin:0}.text-button{color:var(--forest);padding:0;text-align:left;font-weight:700;font-size:inherit}.text-button:hover{text-decoration:underline;text-underline-offset:4px}.topics-grid{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:white}.topic{display:flex;align-items:center;text-align:left;padding:19px 16px;gap:11px;min-width:0;border-bottom:1px solid var(--line);min-height:83px}.topic:nth-child(odd){border-right:1px solid var(--line)}.topic:nth-last-child(-n+2){border-bottom:0}.topic:hover{background:#f0f5f0}.topic-number{font-size:.67rem;color:var(--muted);font-variant-numeric:tabular-nums;align-self:flex-start;padding-top:3px}.topic-title{flex:1;font-size:.79rem;line-height:1.4;font-weight:650}.topic-count{font-size:.76rem;white-space:nowrap;font-weight:750}.topic-count>span{color:var(--muted);font-weight:400}.topic svg{width:13px}.mini-progress{height:3px;margin-top:10px}.resume-strip{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid #bcd5c2;background:#e9f2eb;border-radius:12px;padding:16px;margin-bottom:18px}.resume-strip>div{display:flex;gap:12px;align-items:center}.resume-strip strong{font-size:.86rem;display:block}.resume-strip small{font-size:.74rem;color:var(--muted);display:block}.resume-strip>.button{white-space:nowrap}footer{max-width:1256px;display:flex;justify-content:space-between;gap:20px;margin:auto;border-top:1px solid var(--line);padding:24px 40px;font-size:.69rem;color:var(--muted)}
/* Question workspace */
.quiz-top{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:.8rem;color:var(--muted);margin-bottom:20px}.quiz-top>:last-child{font-variant-numeric:tabular-nums;font-weight:750;color:var(--ink)}.back{font-size:.85rem;display:inline-block}.quiz-progress{height:5px;margin-bottom:32px}.quiz-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:32px}.question-panel{background:white;padding:32px;border:1px solid var(--line);border-radius:var(--radius)}.question-meta{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:30px}.question-meta .eyebrow{margin:0;color:var(--forest);font-size:.68rem}.question-meta .pill{font-size:.65rem}.question-body h1{font-size:1.85rem;line-height:1.28;letter-spacing:-.035em;font-weight:750;margin-bottom:28px;outline:none}.question-body.with-sign{display:flex;align-items:center;gap:25px;margin-bottom:25px}.question-body.with-sign h1{margin:0;font-size:1.7rem}.sign-wrap{display:flex;align-items:center;justify-content:center;flex-shrink:0}.road-sign{max-width:180px;max-height:170px;width:auto;height:auto;object-fit:contain;display:block}.answers{display:flex;flex-direction:column;gap:11px}.answer{position:relative;display:flex;align-items:center;text-align:left;width:100%;gap:14px;border:1.5px solid var(--line);border-radius:10px;min-height:64px;padding:14px 16px;font-size:.94rem;line-height:1.5;transition:background .13s,border-color .13s}.answer:hover:not(:disabled){background:#f3f7f3;border-color:var(--forest)}.answer-key{display:grid;place-items:center;border:1px solid var(--line);min-width:29px;height:29px;border-radius:6px;color:var(--muted);font-size:.75rem;font-weight:650;align-self:flex-start;margin-top:1px}.answer>span:nth-child(2){flex:1}.answer:disabled{opacity:1;color:#68736a;background:#f7f8f7}.answer.correct{background:#eef7f0;border-color:#438454;color:#204c30}.answer.wrong{background:#fff3f0;border-color:#ce7770;color:#862c29}.answer.correct .answer-key{background:var(--forest);color:white;border-color:var(--forest)}.answer.wrong .answer-key{background:var(--red);color:white;border-color:var(--red)}.answer-state{display:flex;align-items:center;gap:5px;font-size:.64rem;font-weight:750}.answer-state svg{width:18px}.answer-help{font-size:.8rem;color:var(--muted);margin-top:22px}.question-footer{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-top:26px;padding-top:23px;border-top:1px solid var(--line)}.keyboard-note,.saved-note{font-size:.7rem;color:var(--muted)}.feedback{margin-top:24px;background:#f1f7f2;border:1px solid #cbded0;border-radius:12px;padding:23px;animation:appear .2s ease-out}.feedback.is-wrong{background:#fff8f5;border-color:#eed4cb}.feedback-heading{display:flex;gap:9px;align-items:center;color:var(--forest);margin-bottom:12px}.is-wrong .feedback-heading{color:var(--red)}.feedback-heading h2{font-size:1.06rem;margin:0}.feedback p{font-size:.92rem;line-height:1.65;margin-bottom:16px}.correct-answer{color:var(--ink)}.memory{padding-top:15px;border-top:1px solid #1738201a;margin-top:17px}.memory>span{display:block;font-size:.62rem;font-weight:800;letter-spacing:.1em;color:var(--muted);margin-bottom:5px}.memory strong{font-size:.9rem;font-weight:750}.feedback-source{display:flex;gap:18px;flex-wrap:wrap;margin-top:19px}.feedback-source a,.review-content>a{font-size:.73rem;display:inline-flex;align-items:center;gap:6px}.feedback-source svg,.review-content>a svg{width:12px;height:12px}.sample-note{display:block;font-size:.67rem;color:var(--muted);margin-top:13px}.round-counters{display:flex;gap:45px;margin:24px 0}.round-counters>div{display:flex;flex-direction:column}.round-counters strong{font-size:2.4rem;letter-spacing:-.05em;line-height:1.15}.round-counters span{font-size:.77rem;color:var(--muted);margin-top:5px}.question-map{display:grid;grid-template-columns:repeat(10,1fr);gap:6px;padding-top:22px;border-top:1px solid var(--line)}.map-dot{aspect-ratio:1;background:#e6ece7;border-radius:3px}.map-dot.correct,.map-legend i.correct{background:#50835c}.map-dot.wrong,.map-legend i.wrong{background:#c96857}.map-dot.current{outline:2px solid var(--ink);outline-offset:2px}.map-legend{display:flex;gap:14px;margin-top:18px;font-size:.59rem;color:var(--muted)}.map-legend>span{display:flex;gap:4px;align-items:center}.map-legend i{display:inline-block;width:6px;height:6px;background:#e6ece7;border-radius:1px}.side-tip{padding:25px 8px 12px}.side-tip>svg{color:var(--forest);margin-bottom:15px}.side-tip h3{font-size:1rem;margin-bottom:10px}.side-tip p{color:var(--muted);font-size:.82rem}.save-detail{font-size:.74rem;color:var(--muted);padding:0 8px}
/* Results and reference */
.results-grid{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:32px;margin-top:28px}.result-hero{padding:32px;border:1px solid var(--line);border-radius:var(--radius);background:white}.result-hero h1{font-size:2rem;margin-bottom:24px}.score-display{display:flex;align-items:center;gap:30px;margin:22px 0}.score-display>strong{font-size:6rem;font-weight:800;letter-spacing:-.065em;line-height:1}.score-display>strong>span{font-size:2.8rem;font-weight:500}.score-display p{margin:10px 0 0;color:var(--muted);font-size:.85rem}.pass-pill{color:var(--forest);background:var(--pale);border:0}.fail-pill{color:var(--red);background:var(--red-light);border:0}.result-hero>p{color:var(--muted);font-size:.94rem}.result-actions{display:flex;gap:12px;flex-wrap:wrap;margin:25px 0 12px}.result-hero>small{color:var(--muted);font-size:.74rem}.result-review{margin-top:32px}.result-topics{display:flex;flex-direction:column;gap:23px;margin-top:24px}.result-topics>div>span{font-size:.8rem;display:flex;justify-content:space-between;gap:12px}.result-topics .mini-progress{height:5px}.review-item{border:1px solid var(--line);border-radius:12px;background:white;margin:12px 0;overflow:hidden}.review-item summary{padding:22px;display:flex;justify-content:space-between;align-items:center;gap:18px;list-style:none;cursor:pointer;font-size:.95rem;font-weight:700;line-height:1.5}.review-item summary::-webkit-details-marker{display:none}.review-item summary>svg{width:16px;transform:rotate(90deg)}.review-item[open] summary>svg{transform:rotate(-90deg)}.review-content{padding:0 22px 24px}.review-content>p{font-size:.91rem;color:var(--muted)}.review-content .sign-wrap{justify-content:flex-start;margin:0 0 24px}.review-content .road-sign{max-height:130px}.review-answer{display:flex;gap:10px;color:var(--forest)!important}.review-answer svg{margin-top:3px}.review-content>a{margin-top:17px}.miss-tag{display:block;font-size:.59rem;letter-spacing:.09em;color:var(--red);margin-bottom:6px}.your-choice{color:var(--red)!important;font-size:.82rem!important}.numbers-strip{display:grid;grid-template-columns:repeat(4,1fr);background:var(--forest);color:white;border-radius:var(--radius);padding:25px;margin-bottom:30px}.numbers-strip>div{display:flex;flex-direction:column;border-right:1px solid #ffffff30;padding:0 22px}.numbers-strip>div:last-child{border-right:0}.numbers-strip strong{font-size:1.9rem;font-weight:750;letter-spacing:-.04em}.numbers-strip span{font-size:.74rem;color:#d9e8de}.review-controls{display:flex;gap:20px;margin:25px 0 16px}.review-controls label{font-size:.77rem;font-weight:700}.search-label{flex:1}.review-controls select{min-width:220px}.review-controls input,.review-controls select{display:block;margin-top:7px;min-height:47px;border:1px solid var(--line);border-radius:9px;background:white;padding:10px 14px;width:100%;color:var(--ink)}#review-count{font-size:.76rem}.sources-grid{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:30px}.source-main{padding:32px}.sources-grid p{font-size:.93rem;color:var(--muted);line-height:1.75}.source-numbers{display:flex;gap:45px;padding:24px 0 27px;margin-bottom:22px;border-bottom:1px solid var(--line)}.source-numbers strong{font-size:3rem;line-height:1.15;letter-spacing:-.055em}.source-numbers span{display:block;font-size:.78rem;letter-spacing:0;font-weight:500;color:var(--muted);margin-top:7px}.source-links{display:flex;flex-direction:column;gap:16px;padding-top:12px}.source-links a{font-size:.83rem;display:flex;gap:12px;justify-content:space-between;align-items:center}.source-links svg{width:14px;height:14px}.visit-panel{margin-top:20px}
/* Login and shared states */
.login-layout{display:grid;grid-template-columns:1fr 1fr;min-height:100svh}.login-intro{background:var(--forest);color:white;padding:50px max(42px,calc((100vw - 1180px)/2));padding-right:60px;display:flex;flex-direction:column}.login-intro>.brand{font-size:1.3rem}.login-message{margin:auto 0;padding:70px 0}.login-message h1{font-size:3.5rem;line-height:1.09;letter-spacing:-.055em;font-weight:750;margin:22px 0}.login-message h1 span{color:#bdd5c5}.login-message>p{color:#d8e7dd;font-size:1rem}.login-facts{display:flex;gap:34px;border-top:1px solid #ffffff2c;padding-top:28px;margin-top:45px}.login-facts strong{display:block;font-size:2rem;font-weight:750;letter-spacing:-.035em}.login-facts span{color:#c6dbce;font-size:.69rem;white-space:nowrap}.intro-foot{font-size:.76rem;color:#c6dbce;margin:0}.login-panel{background:#fff;display:flex;justify-content:center;align-items:center;padding:50px}.login-form-wrap{width:100%;max-width:360px}.login-icon{width:45px;height:45px;border-radius:12px;background:var(--pale);color:var(--forest);display:grid;place-items:center;margin-bottom:26px}.login-form-wrap h2{font-size:2rem;letter-spacing:-.045em;margin-bottom:12px}.login-form-wrap>p{color:var(--muted);font-size:.95rem;margin-bottom:33px}.login-form-wrap label{display:block;font-size:.8rem;font-weight:750;margin-bottom:9px}.login-form-wrap input{display:block;width:100%;min-height:51px;padding:12px 15px;border:1px solid var(--line);border-radius:9px;background:#fafcfa;color:var(--ink)}#username{margin-bottom:22px}.password-field{position:relative}.password-field input{padding-right:70px}.password-field button{position:absolute;right:7px;top:7px;padding:9px 10px;font-size:.73rem;color:var(--muted);min-height:36px}.form-error{color:var(--red);font-size:.82rem;min-height:23px;margin:12px 0}.login-note{margin:25px 0 0!important;font-size:.75rem!important;text-align:center}.loading{min-height:100vh;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:20px}.loading p{color:var(--muted)}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);max-width:calc(100vw - 32px);width:max-content;background:var(--ink);color:white;border-radius:10px;padding:15px 22px;box-shadow:0 8px 35px #0002;font-size:.87rem;z-index:100}dialog{border:1px solid var(--line);border-radius:16px;padding:30px;max-width:min(500px,calc(100% - 36px));color:var(--ink)}dialog::backdrop{background:#0f201970;backdrop-filter:blur(3px)}dialog h2{font-size:1.5rem}dialog p{color:var(--muted);font-size:.92rem}.dialog-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:25px}@keyframes appear{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
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