:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#182e51;background:#f3f5f9;font-size:16px;line-height:1.5;--navy:#152f64;--blue:#335bec;--muted:#596a82;--lime:#d8f56b;--line:#dbe1ec}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer;min-height:48px;border:1px solid var(--line);border-radius:12px;padding:10px 20px;background:white;color:var(--navy);font-weight:650}button:hover{border-color:#335bec;background:#f1f4ff}button:disabled{opacity:.6;cursor:default}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #476def;outline-offset:4px}.shell{display:grid;grid-template-columns:245px 1fr;min-height:100vh}aside{background:#fff;border-right:1px solid var(--line);padding:35px 24px;display:flex;flex-direction:column;gap:35px;position:sticky;top:0;height:100vh}.brand{display:flex;gap:13px;align-items:center;font-size:21px;line-height:1.08;letter-spacing:-.7px}.brand strong{font-weight:750}.logo{font-family:Georgia,serif;font-size:48px;width:55px;height:57px;background:var(--navy);color:#fff;border-radius:17px;text-align:center;line-height:52px}.logo span{color:var(--lime)}.profile{border-top:1px solid var(--line);padding-top:28px;display:flex;gap:12px;align-items:center}.avatar{border-radius:50%;background:#ecf0ff;width:40px;height:40px;display:grid;place-items:center;font-weight:750}.profile strong{font-size:15px}small{display:block;font-size:12px;color:var(--muted)}.profile small{font-size:10px;letter-spacing:.9px;margin-top:4px}nav{display:grid;gap:7px}nav a{padding:13px 12px;border-radius:10px;display:flex;gap:13px;align-items:center;color:#53617a;font-size:15px}nav a.active{color:#2548b1;background:#edf1ff;font-weight:700}.aside-bottom{margin-top:auto}.aside-bottom p{font-size:15px}.text-button{padding:10px 0;background:transparent;border:none;font-size:14px}.sync{font-size:12px;display:block;color:var(--muted)}main{max-width:1200px;width:100%;padding:44px 48px 60px;margin:0 auto;align-self:start}h1,h2,h3,p{margin-top:0}h1{font-size:36px;letter-spacing:-1.2px;line-height:1.2;margin-bottom:12px}h2{font-size:24px;line-height:1.25;letter-spacing:-.5px}h3{font-size:18px;margin-bottom:8px}.muted{color:var(--muted)}.eyebrow{font-size:12px;letter-spacing:1.5px;font-weight:750;color:#566b88;margin-bottom:14px}.topline{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:30px}.date{font-size:14px;color:var(--muted)}.badge{font-size:13px;border:1px solid var(--line);padding:7px 12px;border-radius:30px;background:#fff;white-space:nowrap}.hero{background:var(--navy);color:#fff;border-radius:22px;display:grid;grid-template-columns:1fr 160px;gap:20px;padding:32px;margin:28px 0}.hero .eyebrow{color:#ccd8f3}.hero h2{font-size:29px;max-width:440px}.hero p{color:#d5dff5;max-width:440px}.primary{background:var(--blue);color:#fff;border:0}.primary:hover{background:#2447c6;color:#fff}.hero .primary{background:var(--lime);color:#213511}.hero .primary:hover{background:#e5ff90}.orbit{align-self:center;width:145px;height:145px;border:12px solid #3a5080;border-top-color:var(--lime);border-right-color:var(--lime);border-radius:50%;display:grid;place-content:center;text-align:center}.orbit strong{font-size:30px;line-height:1.2}.orbit span{font-size:12px;color:#d5dff5}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0 32px}.stat,.card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:22px}.stat span{display:block;color:var(--muted);font-size:14px}.stat strong{font-size:29px;display:block;margin:5px 0}.stat small{font-size:12px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:30px 0 17px}.section-head h2{margin:0;font-size:21px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card .number{width:34px;height:34px;background:#eef2ff;border-radius:10px;display:grid;place-items:center;font-size:14px;font-weight:700;margin-bottom:20px}.card p{font-size:14px;color:var(--muted);margin-bottom:0}.card small{margin-top:12px}.wide{grid-column:1/-1}.tip{margin-top:24px;padding:19px 23px;background:#eaf0ff;border-radius:14px;display:flex;gap:16px;align-items:flex-start}.tip p{margin:0;font-size:14px}.tip strong{display:block;margin-bottom:3px}.skill-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.skill-card{display:flex;flex-direction:column;gap:12px}.skill-card button{align-self:flex-start}.skill-meta{font-size:13px;color:var(--muted)}progress{accent-color:var(--blue);height:8px;width:100%;border:0;border-radius:10px;overflow:hidden}progress::-webkit-progress-bar{background:#e8edf6}progress::-webkit-progress-value{background:var(--blue)}.practice{max-width:820px;margin:0 auto}.practice-head{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:22px}.question-card{padding:32px;background:white;border:1px solid var(--line);border-radius:22px;margin-top:22px}.question{font-size:clamp(25px,4vw,40px);font-weight:700;letter-spacing:-.6px;margin:26px 0 30px;overflow-wrap:anywhere;line-height:1.4}.choices{display:grid;grid-template-columns:1fr 1fr;gap:13px}.choice{font-size:24px;min-height:80px;display:flex;align-items:center;gap:18px;text-align:left}.choice small{font-size:14px;width:28px}.choice.selected{border:2px solid var(--blue);background:#eef2ff}.choice.eliminated{text-decoration:line-through;opacity:.5}.answer-entry{width:100%;border:2px solid var(--line);border-radius:12px;min-height:65px;padding:12px;font-size:26px}label{display:block;margin:12px 0 8px;font-size:14px;font-weight:650}.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:23px}.feedback{border-radius:13px;padding:20px;background:#eff7dc;margin-top:24px}.feedback.retry{background:#fff3dd}.feedback p{margin:5px 0}.feedback strong{font-size:18px}.hint{background:#eff3ff;padding:15px;border-radius:10px;margin-top:15px}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:14px}th,td{padding:14px 10px;text-align:left;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:600}td .text-button{min-height:32px}.empty{text-align:center;padding:45px 25px}.trend{display:flex;height:150px;gap:12px;align-items:end;padding:16px 0;margin-bottom:25px}.trend-col{flex:1;display:flex;flex-direction:column;justify-content:end;align-items:center;gap:5px;height:100%}.trend-bar{background:#5977e7;min-height:2px;width:100%;max-width:55px;border-radius:7px 7px 0 0}.trend-col small{font-size:11px}.two-col{display:grid;grid-template-columns:1.4fr 1fr;gap:20px}dialog{border:none;border-radius:20px;padding:30px;max-width:460px;width:calc(100% - 32px);box-shadow:0 25px 100px #14254955;color:var(--navy)}dialog::backdrop{background:#13264788}dialog input{width:100%;padding:12px;border:1px solid var(--line);border-radius:8px}.close{float:right;min-height:32px;padding:0 10px;border:0;font-size:24px}#login-error{color:#9c2c2c;font-size:14px;margin-top:12px}#notice:not(:empty){position:fixed;bottom:20px;left:50%;transform:translateX(-50%);padding:14px 22px;border-radius:12px;background:#152f64;color:#fff;max-width:90%;z-index:10}.pill{font-size:12px;border-radius:20px;background:#edf1ff;padding:5px 10px;display:inline-block}.review-item{border-bottom:1px solid var(--line);padding:17px 0}.review-item p{margin:5px 0}.review-item:last-child{border:0}.pause-card{text-align:center;padding:55px 25px}details{margin:16px 0}summary{cursor:pointer;font-weight:600;min-height:44px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media(min-width:1400px){main{padding-top:55px}}@media(max-width:1100px){.shell{grid-template-columns:205px 1fr}aside{padding:28px 17px}main{padding:32px 28px}.hero{grid-template-columns:1fr 125px;padding:27px}.orbit{width:120px;height:120px}.grid{gap:10px}.card{padding:18px}}@media(max-width:760px){.shell{display:block}aside{position:static;height:auto;padding:16px 20px;display:block;border-bottom:1px solid var(--line)}.brand{font-size:17px}.logo{width:43px;height:43px;line-height:39px;font-size:39px}.profile,.aside-bottom p,.aside-bottom>small{display:none}nav{display:flex;gap:4px;margin-top:17px;overflow:auto}nav a{font-size:13px;white-space:nowrap;padding:10px}nav a span{display:inline}.aside-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:8px}.text-button{min-height:35px}main{padding:25px 20px}.topline{margin-bottom:20px}h1{font-size:30px}.date{font-size:12px}.hero{grid-template-columns:1fr;padding:25px}.orbit{display:none}.stats{gap:9px}.stat{padding:14px}.stat strong{font-size:25px}.stat span{font-size:12px}.grid,.two-col{grid-template-columns:1fr}.skill-list{grid-template-columns:1fr}.grid .card{display:block}.card .number{margin-bottom:12px}.question-card{padding:22px}.choice{font-size:21px;padding:12px;gap:10px}.badge{font-size:11px}.practice-head{font-size:13px}.actions button{flex-grow:1}.trend{gap:6px}}
@media(prefers-reduced-motion:no-preference){button{transition:background .15s,border-color .15s}}

.parent-link{display:block;margin-bottom:12px}#parent-error{color:#9c2c2c} @media(max-width:760px){.aside-bottom{flex-wrap:wrap}.parent-link{margin:0}}

.method-row{padding:9px 0;border-bottom:1px solid var(--line)}.method-row small{margin:3px 0}.hint p:last-child{margin-bottom:0}.hint p{margin-bottom:16px}