:root{--ink:#192237;--muted:#748096;--line:#e6e9f0;--violet:#6657d9;--green:#24a36a}*{box-sizing:border-box}body{margin:0;background:#f7f8fc;color:var(--ink);font-family:Arial,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer}header{height:74px;position:fixed;inset:0 0 auto;background:#fff;border-bottom:1px solid var(--line);z-index:20;display:flex;align-items:center;padding:0 30px}.logo{border:0;background:none;font-size:21px;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:9px}.logo i{font-style:normal;background:var(--violet);color:#fff;width:37px;height:37px;display:grid;place-items:center;border-radius:11px}.logo span{color:var(--violet)}.switch{margin:auto;background:#f1f2f6;padding:4px;border-radius:10px}.switch button{border:0;background:none;padding:8px 16px;color:var(--muted);font-size:12px;font-weight:700;border-radius:7px}.switch .on{background:#fff;color:var(--violet);box-shadow:0 1px 6px #cdd0da}.user{display:flex;align-items:center;gap:9px;font-size:12px}.user>b{width:38px;height:38px;border-radius:50%;background:#eeeaff;color:var(--violet);display:grid;place-items:center}.user small{display:block;color:var(--muted);margin-top:3px}aside{position:fixed;top:74px;bottom:0;width:225px;background:#fff;border-right:1px solid var(--line);padding:26px 16px;z-index:10}aside>button{width:100%;border:0;background:none;text-align:left;padding:13px;color:#68748a;border-radius:9px;font-weight:700;margin-bottom:4px}aside>button.on{background:#efedff;color:var(--violet)}aside>button span{margin-left:10px}.help{position:absolute;bottom:25px;background:#f2efff;padding:15px;border-radius:12px;font-size:14px}.help b,.help small{display:block;margin-left:22px;font-size:11px}.help small{color:var(--muted);margin-top:4px}main{margin-left:225px;padding:108px 40px 60px;max-width:1500px}.title{display:flex;align-items:end;justify-content:space-between;margin-bottom:25px}.title small,.modal>small{color:var(--violet);font-weight:800;letter-spacing:1.3px;font-size:10px}.title h1{font-size:29px;margin:7px 0}.title p{color:var(--muted);margin:0;font-size:13px}.primary,.outline{padding:11px 17px;border-radius:9px;font-weight:800}.primary{border:1px solid var(--violet);background:var(--violet);color:#fff}.outline{border:1px solid var(--violet);background:#fff;color:var(--violet)}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:20px}.metrics article,.card,.question,.studentCards article{background:#fff;border:1px solid var(--line);border-radius:15px}.metrics article{padding:19px;display:flex;gap:14px}.metrics article>i,.examrow>i{font-style:normal;width:44px;height:44px;display:grid;place-items:center;border-radius:12px;font-size:20px}.violet{background:#eeeaff;color:var(--violet)}.amber{background:#fff1d8;color:#d38b1c}.green{background:#e1f7ed;color:var(--green)}.metrics span>*{display:block}.metrics small{font-size:9px;color:var(--muted);font-weight:800;letter-spacing:.7px}.metrics b{font-size:25px;margin:5px 0}.metrics em{font-style:normal;color:var(--green);font-size:10px}.columns{display:grid;grid-template-columns:1.4fr 1fr;gap:20px}.card{padding:21px}.head{border-bottom:1px solid var(--line);padding-bottom:14px}.head h2{font-size:16px;margin:0}.head p{font-size:11px;color:var(--muted);margin:4px 0 0}.examrow{display:grid;grid-template-columns:45px 1fr 75px 65px;align-items:center;gap:10px;padding:15px 0;border-bottom:1px solid var(--line)}.examrow:last-child{border:0}.examrow b,.examrow small{display:block;font-size:11px}.examrow small{color:var(--muted);margin-top:4px}.examrow em,.studentCards em,table em{font-style:normal;background:#e1f7ed;color:#218558;border-radius:20px;padding:5px 8px;font-size:9px;font-weight:800;text-align:center}.examrow em:not(.active):not(.draft){background:#eef0f4;color:#697589}.examrow em.draft{background:#fff2d9;color:#ad7218}.chart{display:flex;align-items:center;justify-content:center;gap:28px;padding:25px 0}.donut{width:125px;height:125px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--violet) 42%,#9b91ed 0 80%,#dfdcfa 0)}.donut:before{content:"";position:absolute;width:80px;height:80px;background:#fff;border-radius:50%}.donut span{z-index:1;text-align:center}.donut b,.donut small{display:block}.donut b{font-size:25px}.donut small{font-size:10px;color:var(--muted)}.legend p{font-size:10px;color:var(--muted)}.legend p i{display:inline-block;background:var(--violet);width:8px;height:8px;border-radius:50%;margin-right:6px}.legend b{color:var(--ink);float:right;margin-left:15px}.insight,.feedback{background:#f5f3ff;border-left:3px solid var(--violet);padding:12px;border-radius:7px;color:var(--violet);font-size:12px}.insight p{display:inline-block;color:#657086;margin:0 0 0 8px;font-size:10px}.summary{background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px 20px;display:flex;gap:32px;color:var(--muted);font-size:11px;margin-bottom:18px}.summary b{color:var(--ink)}.questions{display:grid;gap:15px;max-width:900px;margin:auto}.question{padding:21px}.qtop{display:flex;align-items:center;gap:9px}.qtop>b{background:var(--ink);color:#fff;border-radius:7px;padding:7px;font-size:11px}.qtop em{font-style:normal;color:var(--violet);background:#efedff;border-radius:20px;padding:5px 8px;font-size:9px;font-weight:800}.qtop span{margin-left:auto;color:var(--muted);font-size:10px}.question h3{font-size:14px;margin:17px 0}.preview{display:grid;grid-template-columns:1fr 1fr;gap:8px}.preview>span,.answers label{border:1px solid var(--line);border-radius:8px;padding:10px;font-size:11px}.preview i,.answers i{font-style:normal;background:#f0f1f5;border-radius:5px;width:23px;height:23px;display:inline-grid;place-items:center;margin-right:8px}.preview .correct{border-color:#70d1a3;background:#f0fbf5}.preview .correct i{background:var(--green);color:#fff}.preview .incorrect{border-color:#e87d70;background:#fff4f3}.preview b{float:right;color:var(--green);font-size:9px}.feedback{margin-top:13px}.feedback b{font-size:10px}.feedback p{margin:5px 0 0;color:#5f6b7d;font-size:11px;line-height:1.5}.analysis{grid-template-columns:1fr 1fr;margin-bottom:20px}.bar{display:flex;align-items:center;gap:10px;margin:18px 0;font-size:10px}.bar>span{width:66px}.bar>div{height:8px;flex:1;background:#ebeaf5;border-radius:10px}.bar i{display:block;height:100%;background:var(--violet);border-radius:10px}.bars{height:150px;display:flex;align-items:end;justify-content:space-around}.bars div{text-align:center;width:20%}.bars span{display:block;width:32px;background:var(--violet);border-radius:5px 5px 0 0;margin:auto}.bars b,.bars small{display:block;font-size:9px;margin-top:4px}.bars small{color:var(--muted)}.table{overflow:auto}table{width:100%;border-collapse:collapse;font-size:11px}th,td{text-align:left;padding:13px;border-bottom:1px solid var(--line)}th{font-size:9px;color:var(--muted)}td>i{font-style:normal;display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#eeeaff;color:var(--violet);margin-right:8px}.link{border:0;background:none;color:var(--violet);font-weight:800}.course{border-radius:17px;padding:29px;background:linear-gradient(120deg,#282151,#6657d9);color:#fff;display:flex;justify-content:space-between;align-items:end}.course small,.course p{opacity:.7;font-size:10px}.course h2{margin:8px 0}.section-title{font-size:17px;margin:25px 0 13px}.studentCards{display:grid;grid-template-columns:1fr 1fr;gap:18px}.studentCards article{padding:20px}.studentCards h3{margin:14px 0 8px}.studentCards p{font-size:11px;color:var(--muted);margin-bottom:18px}.studentCards .gray{background:#eef0f4;color:#667188}.timer{background:#fff;border:1px solid var(--line);border-radius:10px;padding:9px 14px;display:flex;gap:9px}.timer small,.timer b{display:block}.timer small{font-size:8px;color:var(--muted)}.progress{height:7px;background:#e7e7f0;border-radius:10px;position:relative;margin:30px auto;max-width:900px}.progress i{display:block;height:100%;background:var(--violet);border-radius:10px}.progress span{position:absolute;right:0;top:12px;font-size:9px;color:var(--muted)}.answers{display:grid;gap:8px}.answers label{cursor:pointer}.answers label.selected{border-color:var(--violet);background:#f5f3ff}.answers input{display:none}.question textarea,.modal textarea{width:100%;min-height:100px;padding:11px;border:1px solid var(--line);border-radius:8px;resize:vertical}.submit{max-width:900px;margin:18px auto;background:#fff;border:1px solid var(--line);padding:14px;border-radius:12px;display:flex;justify-content:space-between;align-items:center;font-size:10px;color:var(--muted);position:sticky;bottom:10px}.result{text-align:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:25px;margin-bottom:25px}.result>i{font-style:normal;display:grid;place-items:center;width:44px;height:44px;background:#e0f7ec;color:var(--green);border-radius:50%;margin:auto;font-size:20px}.result small{display:block;color:var(--violet);font-size:9px;font-weight:800;margin-top:10px}.result h1{margin:5px}.result p{font-size:11px;color:var(--muted)}.result strong{font-size:45px;color:var(--violet)}.result span{color:var(--muted)}.ok,.wrong{font-size:10px;font-weight:800;float:right}.ok{color:var(--green)}.wrong{color:#db6356}.backdrop{position:fixed;inset:0;background:#121526aa;z-index:50;display:grid;place-items:center;padding:20px}.modal{width:min(620px,95vw);max-height:90vh;overflow:auto;background:#fff;padding:24px;border-radius:16px;position:relative}.modal h2{margin:6px 0 18px}.close{position:absolute;right:18px;top:15px;border:0;background:none;font-size:24px;color:var(--muted)}.modal label{display:block;font-size:10px;font-weight:800;margin:12px 0}.modal input,.modal select,.modal textarea{display:block;width:100%;border:1px solid var(--line);border-radius:8px;padding:10px;margin-top:5px}.actions{display:flex;justify-content:flex-end;gap:9px;margin-top:18px}.detail{max-width:480px}.person{background:#f4f2ff;border-radius:12px;padding:15px;display:flex;align-items:center;gap:10px;margin-bottom:18px}.person i{font-style:normal;display:grid;place-items:center;width:42px;height:42px;background:var(--violet);color:#fff;border-radius:50%}.person span{margin-left:auto;color:var(--muted);font-size:10px}
@media(max-width:850px){header{padding:0 12px}.user span,.logo:not(i){font-size:0}.logo i{font-size:18px}.switch{margin-left:auto}.user{margin-left:8px}aside{width:66px;padding:20px 8px}aside>button{text-align:center;font-size:18px}aside>button span,.help{display:none}main{margin-left:66px;padding:95px 16px 40px}.metrics,.columns,.studentCards{grid-template-columns:1fr}.preview{grid-template-columns:1fr}.title{align-items:start}.summary{flex-wrap:wrap;gap:12px}}@media(max-width:520px){.title{display:block}.title>button,.title>.timer{margin-top:14px}.course{display:block}.course button{margin-top:15px}.metrics article{padding:14px}.submit span{display:none}.table{padding:10px}}
