@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
.access-locked .sidebar,.access-locked footer,.access-locked #theme{display:none}.access-locked .workspace{margin-left:0}.access-panel{max-width:520px;margin:7vh auto}.access-panel label{display:block;font-weight:600;margin-top:24px}.access-input{display:flex;align-items:center;gap:8px;margin-top:10px}.access-input input{min-width:0;width:100%}#access-error{color:var(--bad);min-height:24px}.access-help{font-size:12px}.access-locked header{justify-content:center}
.sound-controls{align-items:center;margin-bottom:20px;font-size:13px;color:var(--muted)}.option:disabled{opacity:1;cursor:default}.explanation.feedback-wrong{background:var(--badbg);border-left:4px solid var(--bad)}.explanation.feedback-correct{border-left:4px solid var(--teal)}.explanation p{color:var(--text);margin:8px 0}.feedback-wrong>strong{color:var(--bad)}.feedback-correct>strong{color:var(--teal)}
.review-toggle input{width:16px;min-width:0;height:16px;padding:0;flex:0 0 auto;margin-top:4px}
textarea{display:block;width:100%;resize:vertical;font:inherit;line-height:1.7;padding:14px;margin-top:10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--text)}textarea:focus-visible{outline:3px solid #dcab54;outline-offset:3px}.answer-outline{padding-left:22px;line-height:1.8}.answer-outline li{margin:10px 0}.review-toggle{display:flex;align-items:flex-start;gap:10px;margin-top:20px;line-height:1.5}#written-editor{margin-bottom:24px;scroll-margin-top:20px}.toolbar select{max-width:100%}
:root{--bg:#f6f8fa;--panel:#fff;--text:#182c36;--muted:#70808a;--line:#e4eaed;--teal:#087f77;--soft:#e8f5f1;--nav:#eef5f3;--bad:#b04444;--badbg:#fceeee}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px 'DM Sans',sans-serif}body.dark{--bg:#101b22;--panel:#182830;--text:#e6f1f0;--muted:#a3b6bd;--line:#30444d;--teal:#54cbb6;--soft:#1d3b36;--nav:#223b39;--bad:#ff9d9d;--badbg:#412c30}button,input,select{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #dcab54;outline-offset:3px}a{color:var(--teal)}.sidebar{width:244px;position:fixed;inset:0 auto 0 0;background:var(--panel);border-right:1px solid var(--line);padding:36px 23px;display:flex;flex-direction:column}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--text);font:bold 23px Manrope,sans-serif}.logo{width:41px;height:43px;background:var(--teal);color:var(--panel);border-radius:12px;display:grid;place-items:center}.brand-sub{display:block;font-size:9px;letter-spacing:2.3px;margin-top:4px;color:var(--muted)}.side-label,.small,.eyebrow{font-size:10px;letter-spacing:1.7px;font-weight:700}.side-label{margin:55px 12px 18px;color:var(--muted)}nav{display:grid;gap:7px}nav button{border:0;text-align:left;padding:13px 14px;background:transparent;color:var(--muted);border-radius:8px;font-weight:500}nav button.active{background:var(--nav);color:var(--teal);font-weight:700}#mistake-count{float:right}.side-bottom{margin-top:auto;padding:20px 8px 0}.side-bottom p{font-size:15px;line-height:1.7}.small{color:var(--muted);font-size:8px}.local{font-size:10px;color:var(--teal);padding-top:20px;border-top:1px solid var(--line)}.workspace{margin-left:244px}header{height:80px;display:flex;align-items:center;justify-content:space-between;padding:0 44px;border-bottom:1px solid var(--line);background:var(--panel);font-size:12px}main{max-width:1250px;margin:auto;padding:40px 44px;min-height:calc(100vh - 140px)}footer{font-size:10px;color:var(--muted);padding:20px 44px;border-top:1px solid var(--line)}h1,h2,h3{font-family:Manrope,sans-serif}h1{font-size:31px;letter-spacing:-1.2px;margin:10px 0}h2{font-size:19px;margin:0 0 10px}h3{font-size:15px;margin:0 0 9px}.muted,p{color:var(--muted)}p{line-height:1.65}.eyebrow{color:var(--teal)}.heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:27px;gap:15px}.heading p{margin:0}.pill{font-size:10px;padding:7px 10px;background:var(--soft);color:var(--teal);border-radius:20px;white-space:nowrap}.hero{background:#143e40;border-radius:15px;padding:29px 32px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:25px;position:relative;overflow:hidden}.hero p{color:#b7d2cf;max-width:460px;font-size:13px}.hero h2{font-size:25px;max-width:470px;line-height:1.4}.hero .eyebrow{color:#93d8c7}.hero-art{width:145px;height:145px;border-radius:50%;border:1px solid #577e79;display:grid;place-items:center;flex-shrink:0;position:relative}.hero-art:before{content:'';position:absolute;inset:13px;border:1px dashed #577e79;border-radius:50%}.hero-art div{text-align:center}.hero-art strong{font-size:33px;font-family:Manrope}.hero-art small{display:block;color:#b7d2cf;margin-top:6px}.btn{border:0;background:var(--teal);color:white;padding:12px 18px;border-radius:7px;font-weight:600;font-size:12px}.hero .btn{background:#e0f2a7;color:#183f35}.secondary{background:var(--panel);color:var(--text);border:1px solid var(--line)}.subtle{border:1px solid var(--line);background:var(--panel);color:var(--text);padding:9px 13px;border-radius:7px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:24px 0 32px}.stat{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:20px}.stat strong{font:700 27px Manrope;display:block;margin:10px 0 5px}.stat span{font-size:11px;color:var(--muted)}.stat .tag{font-size:10px;color:var(--teal)}.section-head{display:flex;justify-content:space-between;align-items:center;margin:26px 0 18px}.section-head p{font-size:12px;margin:0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.unit{background:var(--panel);border:1px solid var(--line);border-radius:11px;padding:23px;text-align:left;position:relative;color:var(--text);transition:transform .15s,border-color .15s}.unit:hover{border-color:var(--teal);transform:translateY(-3px)}.unit-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.unit-icon{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:var(--soft);color:var(--teal);font-size:18px}.unit:nth-child(2) .unit-icon,.unit:nth-child(5) .unit-icon{background:#f2ecfa;color:#8e69b6}.unit:nth-child(3) .unit-icon,.unit:nth-child(6) .unit-icon{background:#fff2dd;color:#ac813c}.unit-top small{font-size:9px;letter-spacing:1px;color:var(--muted)}.unit h3{min-height:38px;line-height:1.4}.unit p{font-size:11px;margin:0 0 19px}.progress{height:4px;background:var(--line);border-radius:8px;overflow:hidden}.progress i{display:block;height:100%;background:var(--teal)}.unit-foot{display:flex;justify-content:space-between;font-size:10px;margin-top:10px;color:var(--muted)}.note{background:var(--panel);border:1px solid var(--line);border-left:3px solid #d9b36a;padding:15px 19px;font-size:12px;line-height:1.7;border-radius:6px;margin-top:24px;color:var(--muted)}.toolbar{display:flex;gap:12px;margin:22px 0;flex-wrap:wrap}input,select{padding:12px;border:1px solid var(--line);border-radius:7px;background:var(--panel);color:var(--text)}input{flex:1;min-width:190px}.list{display:grid;gap:12px}.question-row{background:var(--panel);border:1px solid var(--line);padding:19px 23px;border-radius:10px}.question-row h3{font-size:14px;line-height:1.5;margin-top:10px}.row-meta{font-size:10px;color:var(--teal);display:flex;justify-content:space-between}.row-actions{display:flex;gap:10px;margin-top:12px}details{margin-top:12px;color:var(--muted);font-size:13px;line-height:1.6}summary{cursor:pointer;color:var(--teal)}.empty{padding:50px;text-align:center;background:var(--panel);border:1px dashed var(--line);border-radius:10px}.exam-layout{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:22px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:27px}.question-title{font:700 22px/1.6 Manrope;margin:24px 0}.options{display:grid;gap:12px}.option{display:flex;align-items:center;gap:14px;padding:16px;text-align:left;background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:8px;line-height:1.4}.option b{border:1px solid var(--line);border-radius:5px;padding:4px 8px;font-size:12px}.option.selected{border-color:var(--teal);background:var(--soft)}.option.correct{border-color:var(--teal);background:var(--soft)}.option.wrong{border-color:var(--bad);background:var(--badbg)}.explanation{background:var(--soft);padding:17px;border-radius:8px;margin-top:20px;font-size:13px;line-height:1.7}.question-controls{display:flex;justify-content:space-between;gap:10px;margin-top:25px}.palette{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin:20px 0}.palette button{padding:7px 0;border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:5px;font-size:11px}.palette button.answered{background:var(--soft);color:var(--teal)}.palette button.current{outline:2px solid var(--teal)}.timer{font:700 28px Manrope;margin:10px 0}.result-score{font:800 54px Manrope;color:var(--teal)}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}.result-grid div{padding:20px;background:var(--bg);border-radius:8px}.result-grid strong{font-size:24px;display:block}.roadmap{display:grid;grid-template-columns:1fr 1fr;gap:18px}.roadmap li{color:var(--muted);margin:9px 0;font-size:13px}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--text);color:var(--panel);padding:12px 20px;border-radius:7px;display:none;z-index:10}.full{width:100%}.spaced{margin-top:18px}.inline{display:flex;gap:10px;flex-wrap:wrap}.history{font-size:13px;border-bottom:1px solid var(--line);padding:13px 0;display:flex;justify-content:space-between}.hidden{display:none}@media(min-width:1500px){main{padding-top:55px}}@media(max-width:1050px){.sidebar{width:210px;padding:30px 16px}.workspace{margin-left:210px}main{padding:30px 25px}.grid{grid-template-columns:repeat(2,1fr)}.exam-layout{grid-template-columns:1fr}.hero-art{display:none}}@media(max-width:700px){.sidebar{position:static;width:100%;padding:18px;display:block}.brand{font-size:19px}.side-label,.side-bottom{display:none}nav{display:flex;overflow:auto;margin-top:18px;gap:5px}nav button{white-space:nowrap;font-size:12px;padding:10px}.workspace{margin:0}header{padding:0 20px;height:56px;font-size:10px}main{padding:26px 18px}.heading{align-items:flex-start}h1{font-size:26px}.heading .pill{display:none}.hero{padding:24px}.hero h2{font-size:22px}.stats{grid-template-columns:1fr 1fr;gap:10px}.grid,.roadmap{grid-template-columns:1fr}.unit h3{min-height:0}.panel{padding:20px}.question-title{font-size:18px}.result-grid div{padding:12px}.result-grid{font-size:11px}.question-controls{flex-wrap:wrap}footer{padding:18px}.stat{padding:16px}}