*{box-sizing:border-box}html,body{margin:0;height:100%;font-family:Arial,sans-serif;color:#16334a;background:#f1f6fa}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{border:1px solid #bed3e2;border-radius:9px;padding:10px 15px;background:#fff;color:#16334a;cursor:pointer}button:hover{border-color:#008eae}button:disabled{opacity:.5;cursor:wait}.primary{background:#007fa5;border-color:#007fa5;color:white}.danger{color:#a02335}.text{padding:6px 9px;background:transparent;border-color:transparent}a{color:#007ca6;text-decoration:none}.app{height:100dvh;display:grid;grid-template-rows:56px auto minmax(0,1fr) 58px;max-width:1200px;margin:auto}header{display:flex;gap:14px;align-items:center;padding:8px 22px;border-bottom:1px solid #d5e2eb;background:#fff}.brand{font-weight:900;font-size:23px;letter-spacing:.03em}.brand span{font-size:11px;color:#61768a}#identity{margin-left:auto;font-size:13px;color:#576d80}#message{font-size:13px;padding:0 22px;color:#a22236;max-height:52px;overflow:auto}#message:not(:empty){padding-top:7px;padding-bottom:7px}main{min-height:0;overflow:auto;padding:22px}footer{display:flex;align-items:center;justify-content:space-between;gap:8px;background:white;border-top:1px solid #d5e2eb;padding:8px 22px;padding-bottom:max(8px,env(safe-area-inset-bottom))}footer span{font-size:13px;color:#637a8d}h1{font-size:25px;margin:0 0 12px}h2{font-size:20px;margin:0 0 12px}p{line-height:1.5}small,.muted{color:#61788b;font-size:13px}.toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:16px}.toolbar h1{margin:0 auto 0 0}.session{background:#fff;border:1px solid #d2e0e9;border-radius:12px;padding:15px;margin:10px 0;display:flex;align-items:center;gap:15px}.session h2{font-size:17px;margin:0 0 4px}.session .body{flex:1;min-width:0}.session .buttons{display:flex;gap:6px;flex-wrap:wrap}.empty{background:white;border:1px dashed #c6d9e6;padding:24px;border-radius:12px}.form{max-width:580px;margin:auto;background:white;padding:22px;border-radius:14px}.form label{display:block;font-weight:bold;font-size:14px;margin:14px 0 5px}.form input,.form select,.form textarea{display:block;width:100%;padding:11px;border:1px solid #b8cfdd;border-radius:8px;background:white;color:#17374d}.form textarea{min-height:80px}.form button[type=submit]{margin-top:15px}.exam-main{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:20px;overflow:hidden}.exam-card{display:flex;min-height:0;flex-direction:column;background:#fff;border:1px solid #d4e2eb;border-radius:14px;padding:22px}.exam-top{display:flex;align-items:center;gap:12px;font-size:13px;color:#5c7286}.timer{margin-left:auto;font-size:19px;font-weight:bold;color:#007b9c;font-variant-numeric:tabular-nums}.exam-scroll{overflow:auto;min-height:0;padding-bottom:8px;flex:1}.exam-card h1{font-size:21px;line-height:1.45;margin:18px 0}.options{display:grid;gap:10px}.option{text-align:left;display:flex;align-items:center;gap:12px;line-height:1.4;padding:14px;border:1px solid #cadbe7;border-radius:10px;background:#fff}.option b{width:28px;height:28px;flex:0 0 28px;border-radius:7px;background:#ecf3f9;display:grid;place-items:center}.option.selected{background:#e5f6fc;border:2px solid #0084a5;padding:13px}.option.selected b{background:#0084a5;color:white}.save{font-size:12px;color:#5e788b;margin-top:12px;min-height:17px}.navigator{background:#fff;border:1px solid #d4e2eb;border-radius:14px;padding:16px;overflow:auto}.navigator h2{font-size:16px}.numbers{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.numbers button{padding:0;height:33px;border-radius:6px;font-size:13px}.numbers .done{background:#def1eb;color:#126848;border-color:#9bcdb9}.numbers .active{outline:2px solid #0086a9;outline-offset:1px}.navigator p{font-size:12px;color:#667f91}.progress{height:5px;background:#deebf1;border-radius:8px;margin-bottom:12px}.progress div{height:100%;background:#0087a7;border-radius:8px}.qnav-toggle{display:none}dialog{width:min(850px,94vw);max-height:88dvh;overflow:auto;border:0;border-radius:14px;padding:25px;box-shadow:0 20px 100px #17395255;color:#18394f}dialog::backdrop{background:#102e4b88}.close{float:right;border:0;font-size:22px;padding:2px 9px}.results{max-width:620px;background:white;border:1px solid #cadde8;border-radius:16px;padding:28px;margin:20px auto}.score{font-size:45px;color:#007f9d;font-weight:bold}.table-scroll{overflow:auto;max-height:60dvh}table{border-collapse:collapse;width:100%;font-size:13px}td,th{padding:10px;border-bottom:1px solid #d5e1ea;text-align:left;white-space:nowrap}th{position:sticky;top:0;background:#edf5fa}.preview-question{padding:14px 0;border-bottom:1px solid #dce8ef}.preview-question p{margin:4px 0}button:focus-visible,a:focus-visible{outline:3px solid #00bdd7;outline-offset:2px}@media(max-width:700px){.app{grid-template-rows:50px auto minmax(0,1fr) 66px}header{padding:6px 12px}.brand{font-size:20px}.brand span{display:none}#identity{max-width:140px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}main{padding:12px}h1{font-size:21px}.exam-main{display:flex;gap:0;position:relative}.exam-card{padding:15px;flex:1;min-width:0}.exam-card h1{font-size:17px;margin:12px 0}.options{gap:8px}.option{padding:10px;font-size:14px;gap:9px}.option.selected{padding:9px}.option b{width:25px;height:25px;flex-basis:25px}.navigator{display:none;position:absolute;right:12px;bottom:12px;left:12px;max-height:50dvh;box-shadow:0 10px 40px #14344d55;z-index:5}.navigator.open{display:block}.numbers{grid-template-columns:repeat(8,1fr)}.qnav-toggle{display:inline-block}.exam-top{font-size:12px}.timer{font-size:17px}footer{padding:8px 12px}footer button{padding:10px 12px;font-size:14px}.session{align-items:flex-start;flex-wrap:wrap;gap:9px}.session .buttons{width:100%}.toolbar{gap:5px}.toolbar button{font-size:13px;padding:9px}.form{padding:15px}.form p{font-size:13px}.save{font-size:11px}.results{padding:20px;margin:0}}