:root{--bg:#f7f8f4;--ink:#20392e;--muted:#78827a;--green:#345c46;--lime:#dded9b;--border:#dfe4db}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #82a54c;outline-offset:4px}[hidden]{display:none!important}header{height:100px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:30px;padding:0 max(5vw,24px)}.brand{text-decoration:none;font-size:30px;font-weight:800;letter-spacing:-1.5px;white-space:nowrap}.brand-dot{color:#84a15d}.brand-sub{font-size:18px;font-weight:400;letter-spacing:-.5px;margin-left:12px}nav{display:flex;gap:30px;height:100%}.nav{background:none;border:0;color:var(--muted);padding:0 6px;border-bottom:3px solid transparent}.nav.active{color:var(--ink);border-color:var(--green)}.account{display:flex;gap:16px;align-items:center;font-size:14px}.account form{margin:0}.login{border:1px solid var(--border);border-radius:30px;padding:10px 23px;text-decoration:none}.text-button{border:0;background:none;color:var(--muted);padding:8px 0}main{max-width:1120px;margin:0 auto;padding:56px 30px 70px;min-height:calc(100vh - 185px)}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;color:#6b806b}h1{font-size:60px;line-height:1.09;letter-spacing:-2.8px;font-weight:500;margin:22px 0}h1 span{color:#849779}h2{font-size:21px;letter-spacing:-.5px;font-weight:500;margin:0}.lead{color:var(--muted);font-size:16px;line-height:1.7}.intro{display:flex;align-items:center;justify-content:space-between;gap:45px}.word-art{transform:rotate(5deg);width:305px;padding:26px 30px 20px;flex-shrink:0;background:#e8ecd9;border:1px solid #d8dfc3;border-radius:12px;box-shadow:9px 12px 0 #eef0e6;display:flex;flex-direction:column;color:#536648}.word-art strong{font-family:Georgia,serif;font-weight:400;font-size:45px;letter-spacing:-1px;margin-top:15px}.art-label{font-size:9px;letter-spacing:2px}.word-art>span:not(.art-label){font-size:13px;color:#8a957b}.word-art div{font-size:13px;margin-top:25px;padding-bottom:15px;border-bottom:1px solid #cfd8bc}.word-art div span{float:right}.word-art i{font:italic 15px Georgia,serif;margin-top:16px}.stats{display:flex;gap:50px;border-block:1px solid var(--border);padding:22px 0;margin:35px 0 36px}.stats>div{display:flex;gap:12px;align-items:center}.stats strong{font-size:29px;font-weight:500}.stats span{font-size:12px;color:var(--muted)}.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.section-title>span{font-size:12px;color:var(--muted)}.step{display:inline-block;color:#8e9c83;font-size:12px;letter-spacing:0;margin-right:16px;vertical-align:middle}.topics{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.topic{text-align:left;border:1px solid var(--border);border-radius:12px;background:#fff;padding:20px;min-height:175px;color:var(--ink);transition:background .2s,border-color .2s}.topic.selected{background:#edf2e6;border:1.5px solid #78926b}.topic-top{display:flex;justify-content:space-between;margin-bottom:16px;color:#8c9d7f;font-size:12px}.topic strong{display:block;font-size:18px;font-weight:500}.topic p{font-size:12px;color:var(--muted);line-height:1.6;margin:8px 0 14px}.topic small{font-size:11px;color:#607255}.selection{width:18px;height:18px;border:1px solid #b5c0ac;border-radius:50%;display:grid;place-items:center}.selected .selection{background:var(--green);color:white;border-color:var(--green)}.lesson-settings{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:35px 0}.lesson-settings p{font-size:12px;color:var(--muted);margin:8px 0 0 32px}.counts{display:flex;gap:8px}.counts button{background:none;color:var(--ink);border:1px solid var(--border);border-radius:9px;min-width:47px;padding:10px}.counts button.selected{background:var(--green);color:#fff;border-color:var(--green)}.start-row{display:flex;justify-content:space-between;align-items:center;gap:20px;border-top:1px solid var(--border);padding-top:25px}.start-row strong{font-size:14px;font-weight:500}.start-row p{font-size:12px;color:var(--muted);margin-bottom:0}.primary,.secondary{padding:15px 26px;border-radius:8px;border:1px solid var(--green);font-weight:500}.primary{background:var(--green);color:#fff}.primary span{margin-left:45px}.primary:hover{background:#284935}.secondary{background:transparent;color:var(--green)}.auth-note{font-size:12px;color:var(--muted);margin-top:20px}#resume{margin-top:20px}footer{border-top:1px solid var(--border);padding:25px 5vw;display:flex;justify-content:space-between;gap:20px;font-size:11px;color:#859080}footer span:first-child{font-weight:700;font-size:14px}.filters{display:flex;gap:12px;margin:30px 0}input,select{background:white;border:1px solid var(--border);padding:13px;border-radius:8px;color:var(--ink)}input{flex:1;min-width:0}.word-row{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:18px 5px;border-bottom:1px solid var(--border)}.word-row strong{font-weight:500;display:block}.word-row small{color:var(--muted)}.badge{font-size:12px;background:#e9efdd;padding:5px 12px;border-radius:20px;white-space:nowrap}.empty{padding:50px 0;color:var(--muted)}#error{padding:15px;background:#ffe9e1;border-radius:8px;margin-bottom:20px;color:#9c3f2a}.lesson-top{display:flex;justify-content:space-between;margin-top:35px;font-size:13px}progress{width:100%;height:7px;border:0;border-radius:10px;overflow:hidden;margin-top:15px;accent-color:var(--green)}progress::-webkit-progress-bar{background:#e1e6da}progress::-webkit-progress-value{background:var(--green)}.question-box{text-align:center;padding:45px 0}.question-box>p{color:var(--muted);font-size:14px}.question-box h1{margin:25px 0 45px;font-size:48px;overflow-wrap:anywhere}.choices{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.choice{padding:30px 20px;min-height:115px;border:1px solid var(--border);border-radius:12px;background:white;color:var(--ink);font-size:20px}.choice:hover{border-color:var(--green)}.choice.correct{background:#e2efce;border-color:#78974f}.choice.wrong{background:#fae5de;border-color:#c28471}#feedback{min-height:70px;padding:22px;color:var(--green)}#feedback.wrong{color:#a35641}#complete{text-align:center}.completion-mark{font-size:35px;background:#e4edcc;color:var(--green);border-radius:50%;width:70px;height:70px;display:grid;place-items:center;margin:0 auto 25px}#result-list{max-width:640px;margin:30px auto;text-align:left}.finish-actions{display:flex;justify-content:center;gap:15px}
@media(max-width:760px){header{height:auto;min-height:80px;padding:15px 20px;flex-wrap:wrap;gap:12px}.brand{font-size:26px}.account{margin-left:auto}.account>span{max-width:110px;overflow:hidden;text-overflow:ellipsis}nav{order:3;width:100%;height:38px;justify-content:center}main{padding:35px 20px 50px}h1{font-size:44px}.intro{gap:15px}.word-art{display:none}.stats{gap:20px;justify-content:space-between}.stats>div{display:block}.stats strong{display:block;font-size:24px}.stats span{display:block;font-size:10px;max-width:110px}.topics{grid-template-columns:1fr}.topic{min-height:0;padding:18px}.topic-top{margin-bottom:8px}.lesson-settings{align-items:flex-start;flex-direction:column}.counts{margin-left:32px}.section-title>span{display:none}.start-row{align-items:stretch;flex-direction:column}.start-row .primary{width:100%}.choices{grid-template-columns:1fr;gap:12px}.choice{min-height:75px;padding:18px}.question-box h1{font-size:35px}.question-box{padding-top:25px}.filters{flex-direction:column}.finish-actions{flex-direction:column}footer span:nth-child(2){display:none}.word-row{font-size:14px}.badge{font-size:10px}h2{font-size:19px}}