:root{--navy:#0a2e5c;--blue:#1b4b8a;--gold:#e8b54d;--bg:#f5f7fa;--muted:#64748b;--line:#e2e8f0}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:#15243b;font:15px/1.55 system-ui,Segoe UI,Arial}header{background:#fff;border-bottom:1px solid var(--line)}.wrap{max-width:1170px;margin:auto;padding:0 20px}.nav{display:flex;justify-content:space-between;align-items:center;padding-top:13px;padding-bottom:13px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy)}.brand small{display:block;font-size:11px;color:var(--muted);font-weight:500}.mark{display:grid;place-items:center;width:40px;height:40px;background:var(--navy);color:var(--gold);border-radius:10px;font:25px Georgia}h1,h2,h3{font-family:Georgia,serif;color:var(--navy);line-height:1.2}h1{font-size:38px}h2{font-size:26px}.hero{background:linear-gradient(125deg,var(--navy),var(--blue));color:white;border-radius:22px;padding:44px;margin-top:24px}.hero h1,.hero h2{color:white}.hero p{max-width:660px}.goldline{width:70px;height:4px;background:var(--gold);border-radius:3px}.grid{display:grid;gap:16px}.cols4{grid-template-columns:repeat(auto-fit,minmax(195px,1fr))}.cols2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.card{background:white;border:1px solid var(--line);border-radius:16px;padding:23px;box-shadow:0 4px 18px #0a2e5c0c;margin:15px 0}.card h3{margin-top:0}.muted{color:var(--muted)}.big{font-size:33px;font-weight:800;color:var(--navy)}button{cursor:pointer;border:0;border-radius:10px;padding:11px 17px;background:var(--navy);color:white;font:600 14px system-ui}button:hover{opacity:.88}button:disabled{opacity:.5;cursor:not-allowed}.gold{background:var(--gold);color:var(--navy)}.outline{background:white;border:1px solid #cbd5e1;color:var(--navy)}.danger{background:#b91c1c}input,select{border:1px solid #cbd5e1;border-radius:10px;padding:11px 12px;width:100%;font:inherit;background:white}label{font-weight:600;font-size:13px;display:block;margin:12px 0 5px}.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.between{justify-content:space-between}.pill{border-radius:20px;background:#e8edf5;color:var(--navy);font-size:12px;font-weight:700;padding:5px 11px}.success{background:#dcfce7;color:#166534}.warn{background:#fef3c7;color:#92400e}.scroll{overflow:auto}table{border-collapse:collapse;width:100%;min-width:650px}th,td{text-align:left;padding:11px;border-bottom:1px solid var(--line)}th{font-size:12px;color:var(--muted)}.exam-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:16px}.option{display:block;width:100%;text-align:left;background:white;color:#15243b;border:2px solid var(--line);margin:10px 0;padding:15px}.option.selected{border-color:var(--navy);background:#edf4ff}.qnav{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.qnav button{padding:10px 0;background:#e2e8f0;color:var(--navy)}.qnav button.done{background:var(--navy);color:white}.qnav button.current{outline:3px solid var(--gold)}.timer{font:800 26px monospace;color:var(--navy)}.examtop{position:sticky;top:0;z-index:10;background:white;padding:13px;border-bottom:1px solid var(--line);border-radius:12px}.camera{width:100%;max-height:175px;object-fit:cover;border-radius:12px;background:#0f172a;transform:scaleX(-1)}.alert{padding:12px;border-radius:10px;background:#fff2d7;color:#7c4300;margin:10px 0}.footer{margin:30px 0;text-align:center;color:var(--muted);font-size:12px}#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#0a2e5c;color:white;border-radius:10px;padding:12px 20px;display:none;z-index:99}@media(max-width:800px){.exam-layout{grid-template-columns:1fr}.hero{padding:26px}h1{font-size:30px}.wrap{padding:0 12px}} 

.admin-shell{display:grid;grid-template-columns:215px minmax(0,1fr);gap:24px;margin-top:22px}.admin-sidebar{background:#fff;border:1px solid var(--line);border-radius:15px;padding:12px;align-self:start;position:sticky;top:14px;display:flex;flex-direction:column;gap:5px}.side-link{background:transparent;color:var(--navy);text-align:left;width:100%}.side-link.active{background:var(--navy);color:white}.admin-content{min-width:0}.admin-page[hidden]{display:none!important}.admin-page>h2{margin-top:4px}.bulk-exams{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:8px}.bulk-exams label{margin:0}.bulk-exams input,.admin-content input[type=checkbox]{width:auto;accent-color:var(--navy)}.admin-content .card{max-width:100%}@media(max-width:850px){.admin-shell{grid-template-columns:1fr}.admin-sidebar{position:static;display:flex;flex-direction:row;overflow-x:auto}.side-link{white-space:nowrap;width:auto}}