:root{--navy:#0d2d55;--blue:#1769e0;--bg:#f3f6fa;--text:#142238;--muted:#667085;--white:#fff;--border:#dbe2ea;--green:#138a4b;--red:#c62828;--amber:#b26a00}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 Arial,sans-serif}.top{height:58px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 5%;position:sticky;top:0;z-index:20}.brand{font-size:20px;font-weight:700}.top nav a{color:#fff;text-decoration:none;margin-left:22px}.wrap{max-width:1180px;margin:28px auto;padding:0 20px}.shell{display:grid;grid-template-columns:230px 1fr;gap:24px;max-width:1250px;margin:24px auto;padding:0 20px}.side{background:#fff;border:1px solid var(--border);border-radius:12px;padding:14px;height:max-content;position:sticky;top:82px}.side-title{font-weight:700;font-size:16px;padding:10px 12px 14px}.side a{display:block;padding:10px 12px;border-radius:8px;text-decoration:none;color:var(--text);margin:3px 0}.side a:hover,.side a.on{background:#eaf1ff;color:var(--blue);font-weight:600}.card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:20px;box-shadow:0 4px 18px rgba(16,24,40,.04);margin-bottom:20px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat .num{font-size:32px;font-weight:800;margin-top:4px}.stat .label{color:var(--muted)}h1{font-size:30px;margin:0 0 20px}h2{margin-top:0}.btn{display:inline-block;background:var(--blue);color:#fff!important;border:0;border-radius:8px;padding:10px 15px;text-decoration:none;cursor:pointer;font-weight:700}.btn.secondary{background:#475467}.btn.green{background:var(--green)}.btn.red{background:var(--red)}.btn.small{padding:7px 10px;font-size:13px}.actions{display:flex;gap:8px;flex-wrap:wrap}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}label{display:block;font-weight:700;margin:10px 0 6px}input,select,textarea{width:100%;padding:11px 12px;border:1px solid #cbd5e1;border-radius:8px;font:inherit;background:#fff}textarea{min-height:100px}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:11px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}.table th{background:#f8fafc}.badge{display:inline-block;border-radius:999px;padding:4px 9px;font-size:12px;font-weight:700}.badge.green{background:#e7f7ee;color:#087443}.badge.amber{background:#fff4dd;color:#925600}.badge.red{background:#ffe8e8;color:#a61b1b}.badge.blue{background:#e8f0ff;color:#175cd3}.alert{padding:12px 14px;border-radius:8px;background:#e9f7ef;color:#087443;margin-bottom:16px}.alert.err{background:#ffe8e8;color:#a61b1b}.login{max-width:470px;margin:70px auto}.login .logo{font-size:28px;font-weight:800;margin-bottom:5px}.question{border:1px solid var(--border);border-radius:12px;padding:18px;margin-bottom:16px;background:#fff}.option{display:block;padding:9px;border:1px solid #e5e7eb;border-radius:7px;margin:8px 0}.option input{width:auto;margin-right:8px}footer{text-align:center;color:#667085;padding:30px}.timer{position:sticky;top:70px;background:#fff;border:2px solid var(--blue);border-radius:10px;padding:10px 15px;font-weight:800;text-align:center;z-index:10}.exam-grid{display:grid;grid-template-columns:1fr 260px;gap:20px}.qnav{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.qnav a{padding:8px;text-align:center;border-radius:6px;background:#eef2f6;text-decoration:none;color:var(--text)}.qnav a.answered{background:#dff5e9;color:#087443}.progress{height:9px;background:#e5e7eb;border-radius:99px;overflow:hidden}.progress span{display:block;height:100%;background:var(--blue)}@media(max-width:900px){.shell{grid-template-columns:1fr}.side{position:static}.cards{grid-template-columns:repeat(2,1fr)}.exam-grid,.grid2{grid-template-columns:1fr}}@media(max-width:560px){.cards{grid-template-columns:1fr}.brand{font-size:15px}.top{padding:0 15px}.top nav a{margin-left:10px}}
.page-head,.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.page-head h1,.page-head h2{margin-bottom:4px}.muted{color:var(--muted)}.answer-box{background:#f8fafc;border:1px solid var(--border);border-radius:8px;padding:14px;min-height:70px}.exam-head{display:flex;align-items:center;justify-content:space-between}.exam-head .timer{position:static;min-width:130px}.side a{font-size:14px}.table tr:hover td{background:#fafcff}@media(max-width:700px){.page-head,.section-head,.exam-head{align-items:flex-start;flex-direction:column}.exam-head .timer{width:100%}.table{display:block;overflow-x:auto;white-space:nowrap}}

.side-group{margin:18px 12px 7px;font-size:10px;font-weight:800;letter-spacing:.08em;color:#7a8aa3}.admin-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.admin-tile{display:block;text-decoration:none;color:inherit;background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px;box-shadow:0 5px 18px rgba(15,35,65,.04);transition:.15s}.admin-tile:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(15,35,65,.09)}.admin-tile h2{margin:7px 0 8px;font-size:19px}.admin-tile p{margin:0 0 16px;color:#61708a;line-height:1.45}.tile-group{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:#2d6cdf;font-weight:700}.tile-link{font-weight:700;color:#1765e8}@media(max-width:900px){.admin-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:620px){.admin-grid{grid-template-columns:1fr}}
.linkbtn{border:0;background:none;padding:0;color:#1765e8;cursor:pointer;font:inherit;text-decoration:underline}.linkbtn:hover{color:#0b4fb7}