:root{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;background:#f3f6fa;color:#1a293b}*{box-sizing:border-box}body{margin:0}header{background:#153d62;color:white;padding:24px 16px}header h1{font-size:clamp(21px,4.7vw,30px);margin:0 0 7px}header p{margin:0;opacity:.85}.wrap{max-width:760px;margin:auto;padding:0 15px}.card{background:white;border:1px solid #e2e9f0;border-radius:16px;padding:22px;margin:18px auto;box-shadow:0 5px 25px #21354a10}h2{font-size:22px;margin:0 0 12px}p{line-height:1.55}.muted{color:#586b7b}.hide{display:none!important}label{display:block;font-weight:650;margin-bottom:9px}input[type=text],input[type=password]{width:100%;border:1px solid #becbd7;border-radius:11px;padding:15px;font:inherit;font-size:16px}button,.btn{display:inline-flex;justify-content:center;align-items:center;background:#146d7b;color:white;border:0;border-radius:11px;padding:15px 20px;font-size:16px;font-weight:700;cursor:pointer;text-decoration:none}button.secondary,.btn.secondary{background:#e8edf2;color:#233b51}button:disabled{opacity:.48;cursor:default}.full{width:100%}.options{display:grid;gap:11px;margin:19px 0}.choice{display:flex;align-items:flex-start;gap:12px;border:2px solid #dce5ed;border-radius:12px;padding:14px;line-height:1.45;cursor:pointer;font-weight:450;margin:0}.choice input{margin-top:3px;accent-color:#146d7b;flex-shrink:0}.choice:has(input:checked){border-color:#147789;background:#effbfc}.choice.is-correct{border-color:#20835f;background:#ebf8f2}.choice.is-wrong{border-color:#cc6554;background:#fff0ed}.choice:has(input:disabled){cursor:default}.feedback{border-left:5px solid #238160;padding:14px;background:#edf8f3;border-radius:8px;margin:16px 0}.feedback.wrong{border-left-color:#c45d4e;background:#fff1ed}.progress{height:9px;background:#dde8ec;border-radius:9px;overflow:hidden;margin:12px 0 18px}.progress>div{height:100%;background:#1a8290;transition:width .2s}.row{display:flex;align-items:center;justify-content:space-between;gap:12px}.score{font-size:48px;font-weight:800;color:#146d7b}.review{border-top:1px solid #e5ecf1;padding:15px 0}.ok{color:#19704c}.bad{color:#b24737}.error{color:#b24737;font-weight:650}.table-scroll{overflow-x:auto}table{width:100%;border-collapse:collapse;background:white}th,td{text-align:left;padding:11px;border-bottom:1px solid #e0e7ec;font-size:14px}th{background:#eaf1f5}a{color:#116575}.admin-width{max-width:1120px}@media(max-width:560px){.card{padding:17px;border-radius:13px}header{padding:22px 4px}button{width:100%}.row{flex-wrap:wrap}.score{font-size:40px}}@media print{header,button,.no-print{display:none!important}.card{box-shadow:none;border:1px solid #aaa}body{background:white}}