:root { color-scheme: light; --sky-50:#f0f9ff; --sky-100:#e0f2fe; --sky-200:#bae6fd; --sky-500:#0ea5e9; --sky-600:#0284c7; --sky-700:#0369a1; --ink:#0f172a; --muted:#64748b; --line:#dbeafe; --white:#fff; --danger:#be123c; --success:#15803d; }
* { box-sizing:border-box; }
body { margin:0; min-width:320px; min-height:100vh; font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; color:var(--ink); background:radial-gradient(circle at 15% 0%,#d9f2ff 0,transparent 38%),linear-gradient(135deg,var(--sky-100),#fff 62%,#e0f2fe); }
button,input,select { font:inherit; } button { cursor:pointer; }
.app-shell { width:min(1180px,100%); margin:0 auto; padding:24px 20px 28px; }
.site-header { display:flex; justify-content:space-between; gap:20px; align-items:flex-start; margin:8px 0 28px; }
.brand-pill { display:inline-flex; padding:7px 12px; border:1px solid #7dd3fc; border-radius:999px; background:#e0f2fe; color:#075985; font-size:11px; font-weight:800; letter-spacing:.09em; text-transform:uppercase; }
.eyebrow { margin:0 0 5px; color:var(--sky-700); font-size:11px; font-weight:800; letter-spacing:.12em; text-transform:uppercase; }
h1,h2,h3,p { margin-top:0; } h1 { margin:6px 0 3px; color:#0c4a6e; font-size:clamp(30px,5vw,48px); line-height:1; letter-spacing:-.05em; } h2 { margin:0; color:#0c4a6e; font-size:clamp(21px,3vw,30px); letter-spacing:-.035em; } h3 { margin:22px 0 0; max-width:850px; font-size:clamp(21px,3vw,32px); line-height:1.25; }
.subtitle { margin:0; color:var(--muted); font-size:16px; }.header-mark { display:grid; place-items:center; width:58px; height:58px; border-radius:18px; background:#075985; color:#fff; font-weight:900; letter-spacing:-.08em; box-shadow:0 10px 22px #0284c733; }.header-mark span { color:#7dd3fc; font-size:12px; letter-spacing:0; }
.card { width:min(100%,560px); margin:0 auto; padding:clamp(22px,4vw,38px); background:#ffffffed; border:1px solid var(--sky-200); border-radius:22px; box-shadow:0 18px 60px #0369a11c; backdrop-filter:blur(8px); }.flow-view { min-height:420px; }.hidden { display:none !important; }
.event-intro { position:relative; overflow:hidden; margin:-8px -6px 25px; padding:20px 18px 18px; border:1px solid #c4b5fd; border-radius:18px; background:linear-gradient(135deg,#0f172a,#1e293b 62%,#365314); color:#f8fafc; box-shadow:0 12px 28px #0f172a26; }.event-intro .eyebrow { color:#bef264; }.event-institution { margin:0 0 10px; color:#cbd5e1; font-size:9px; font-weight:800; letter-spacing:.08em; }.event-graphic { position:absolute; top:13px; right:16px; width:68px; height:68px; color:#bef264; opacity:.9; }.event-graphic span { position:absolute; top:15px; left:20px; font-size:27px; animation:floatGraphic 2.8s ease-in-out infinite; }.event-graphic b { position:absolute; right:1px; bottom:1px; color:#fef08a; font-size:25px; animation:floatGraphic 2.2s ease-in-out infinite reverse; }.event-graphic i { position:absolute; inset:7px; border:1px solid #bef26480; border-radius:50%; animation:spinGraphic 7s linear infinite; }.event-graphic i::after { position:absolute; top:-4px; left:50%; width:7px; height:7px; border-radius:50%; background:#fef08a; content:""; }.event-name { margin:2px 0 5px; color:#f8fafc; font-size:clamp(28px,7vw,42px); font-weight:950; letter-spacing:-.06em; }.event-name span { color:#bef264; }.event-hook { margin:0 0 5px; color:#d9f99d; font-size:15px; font-weight:850; text-transform:uppercase; }.event-copy { margin:0 0 16px; color:#cbd5e1; font-size:12px; line-height:1.55; }.event-facts { display:grid; grid-template-columns:1fr 1fr; gap:8px; }.event-facts div { display:flex; align-items:center; gap:7px; min-height:34px; padding:7px 9px; border:1px solid #ffffff20; border-radius:9px; background:#ffffff0c; color:#e2e8f0; font-size:11px; }.event-facts span { font-size:15px; }.registration-link { display:inline-block; margin-top:15px; color:#bef264; font-size:12px; font-weight:850; text-decoration:none; }.registration-link:hover { text-decoration:underline; }.contact-line { margin:14px 0 0; color:#94a3b8; font-size:10px; } @keyframes floatGraphic { 50% { transform:translateY(-6px) rotate(8deg); } } @keyframes spinGraphic { to { transform:rotate(360deg); } }
.section-heading { display:flex; align-items:center; gap:13px; margin-bottom:17px; }.step-badge { display:grid; place-items:center; flex:0 0 40px; height:40px; border-radius:13px; background:var(--sky-100); color:var(--sky-700); font-size:12px; font-weight:900; }
.muted { color:var(--muted); line-height:1.6; }.card > .muted { margin-bottom:24px; }
.access-notice { margin:-10px 0 20px; padding:10px 12px; border:1px solid #7dd3fc; border-radius:10px; background:#f0f9ff; color:#075985; font-size:12px; font-weight:800; }
.candidate-details { margin:0 0 20px; padding:14px 15px 1px; border:1px solid #bae6fd; border-radius:13px; background:#f8fdff; }.candidate-details .eyebrow { margin-bottom:12px; }.candidate-details label { margin-bottom:13px; }
label { display:block; margin:0 0 15px; color:#334155; font-size:13px; font-weight:750; } input,select { width:100%; margin-top:7px; padding:12px 13px; border:1px solid #cbd5e1; border-radius:11px; background:#fff; color:var(--ink); outline:0; transition:.18s ease; } input:focus,select:focus { border-color:var(--sky-600); box-shadow:0 0 0 4px #0284c71c; }.two-col { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.primary-button,.success-button { min-height:46px; padding:0 17px; border:0; border-radius:12px; color:#fff; font-weight:800; transition:transform .18s ease,box-shadow .18s ease,background .18s ease; }.primary-button { background:linear-gradient(135deg,var(--sky-600),var(--sky-700)); box-shadow:0 8px 18px #0284c733; }.success-button { background:linear-gradient(135deg,#16a34a,#15803d); box-shadow:0 8px 18px #15803d33; }.primary-button:hover,.success-button:hover { transform:translateY(-1px); }.primary-button span,.success-button span { margin-left:10px; font-size:18px; }.button-row { display:flex; gap:12px; }.button-row button { flex:1; }
.form-error { display:none; margin:0 0 14px; color:var(--danger); font-size:13px; font-weight:700; }.form-error:not(:empty) { display:block; }
.preview-wrap { position:relative; height:min(300px,52vw); min-height:220px; overflow:hidden; border:1px solid #7dd3fc; border-radius:16px; background:#082f49; }.preview-wrap video { width:100%; height:100%; object-fit:cover; transform:scaleX(-1); }.monitor-badge { position:absolute; top:12px; left:12px; align-items:center; gap:8px; padding:7px 10px; border-radius:999px; background:#082f49df; color:#bbf7d0; font-size:10px; font-weight:900; letter-spacing:.08em; }.monitor-badge:not(.hidden) { display:flex !important; }.monitor-badge i { width:7px; height:7px; border-radius:50%; background:#22c55e; box-shadow:0 0 0 5px #22c55e2b; animation:pulse 1.3s infinite; } @keyframes pulse { 50% { opacity:.3; } }
.meter-row { display:flex; align-items:center; gap:10px; margin:16px 0; color:#475569; font-size:12px; font-weight:750; }.meter { flex:1; height:8px; overflow:hidden; border-radius:999px; background:#e0f2fe; }.meter span { display:block; width:0%; height:100%; border-radius:inherit; background:linear-gradient(90deg,#38bdf8,#0284c7); transition:width .12s; }.check-list { margin:17px 0 21px; padding:13px 15px; border:1px solid #e2e8f0; border-radius:13px; background:#f8fafc; }.check-list div { display:flex; justify-content:space-between; gap:15px; padding:8px 0; border-bottom:1px solid #e2e8f0; color:#475569; font-size:13px; }.check-list div:last-child { border:0; }.check-list b { color:var(--sky-700); }
.exam-layout { display:grid; grid-template-columns:230px minmax(0,1fr); gap:22px; align-items:start; }.question-sidebar,.question-card { border:1px solid var(--sky-200); background:#fffffff2; box-shadow:0 18px 60px #0369a11c; border-radius:20px; }.question-sidebar { position:sticky; top:18px; padding:18px 14px; }.sidebar-top { display:flex; justify-content:space-between; align-items:flex-start; padding:2px 4px 14px; }.sidebar-top h2 { font-size:20px; }.icon-button { display:none; border:0; background:var(--sky-100); border-radius:9px; padding:7px 9px; color:var(--sky-700); }.question-nav { display:grid; grid-template-columns:repeat(4,1fr); gap:8px; max-height:calc(100vh - 200px); overflow:auto; padding:2px; }.question-nav button { aspect-ratio:1; border:1px solid #cbd5e1; border-radius:10px; background:#fff; color:#475569; font-size:12px; font-weight:800; }.question-nav button.current { border-color:var(--sky-600); background:var(--sky-600); color:white; box-shadow:0 4px 10px #0284c73a; }.question-nav button.answered { border-color:#86efac; background:#f0fdf4; color:#166534; }.sidebar-note { display:flex; align-items:center; flex-wrap:wrap; gap:6px 12px; margin:16px 4px 0; color:#64748b; font-size:10px; }.legend-dot { width:8px; height:8px; display:inline-block; border-radius:50%; background:#cbd5e1; }.legend-dot.answered { background:#22c55e; }.legend-dot.current { background:var(--sky-600); }
.exam-main { min-width:0; }.exam-topbar { display:flex; justify-content:space-between; align-items:flex-start; gap:15px; margin:4px 0 14px; }.exam-topbar h2 { font-size:clamp(22px,4vw,32px); }.timer-box { min-width:112px; padding:10px 13px; border:1px solid var(--sky-200); border-radius:14px; background:#ffffffd9; text-align:right; }.timer-box span { display:block; color:var(--muted); font-size:10px; font-weight:800; text-transform:uppercase; letter-spacing:.1em; }.timer-box strong { display:block; margin-top:3px; color:var(--sky-700); font-size:24px; font-variant-numeric:tabular-nums; }.timer-box.warning strong { color:var(--danger); }.progress-track { height:7px; margin-bottom:15px; overflow:hidden; border-radius:999px; background:#bae6fd; }.progress-track span { display:block; width:2.5%; height:100%; border-radius:inherit; background:linear-gradient(90deg,#38bdf8,#0284c7); transition:width .25s; }.question-card { position:relative; overflow:hidden; min-height:480px; padding:clamp(20px,4vw,38px); }.question-meta { position:relative; z-index:1; display:flex; align-items:center; gap:8px; }.difficulty-badge,.multiple-hint { display:inline-flex; padding:6px 9px; border-radius:999px; background:#e0f2fe; color:#075985; font-size:10px; font-weight:900; letter-spacing:.08em; text-transform:uppercase; }.multiple-hint { background:#fef3c7; color:#92400e; }.watermark { position:absolute; top:50%; left:50%; z-index:0; width:125%; color:#0284c70e; font-size:clamp(18px,3vw,36px); font-weight:950; letter-spacing:.18em; text-align:center; transform:translate(-50%,-50%) rotate(-24deg); pointer-events:none; user-select:none; white-space:nowrap; }.question-card h3 { position:relative; z-index:1; }.options-list { position:relative; z-index:1; display:grid; gap:11px; margin-top:28px; }.option-label { display:flex; align-items:flex-start; gap:12px; padding:14px 15px; border:1px solid #cbd5e1; border-radius:13px; background:#ffffffdb; color:#334155; line-height:1.45; cursor:pointer; transition:.16s ease; }.option-label:hover { border-color:var(--sky-500); background:#f0f9ff; }.option-label:has(input:checked) { border-color:var(--sky-600); background:#e0f2fe; box-shadow:0 0 0 3px #0284c71c; }.option-label input { width:18px; height:18px; margin:1px 0 0; accent-color:var(--sky-600); }.exam-actions { display:flex; align-items:center; justify-content:space-between; gap:15px; margin-top:15px; }.exam-actions .primary-button { min-width:190px; }
.success-view { padding:clamp(28px,5vw,50px); text-align:center; }.success-icon { display:grid; place-items:center; width:58px; height:58px; margin:0 auto 18px; border-radius:50%; background:#dcfce7; color:#15803d; font-size:31px; font-weight:900; }.success-view h2 { margin-bottom:10px; }.receipt { margin:20px 0; padding:14px; border-radius:12px; background:#f0f9ff; color:#075985; font-size:12px; font-weight:800; word-break:break-word; }.privacy-note { margin:0; color:#64748b; font-size:12px; }.warning-overlay { position:fixed; inset:0; z-index:10; display:grid; place-items:center; padding:20px; background:#082f49b8; backdrop-filter:blur(7px); }.warning-card { width:min(100%,420px); padding:30px; border:2px solid #fda4af; border-radius:20px; background:#fff; text-align:center; box-shadow:0 30px 80px #082f4966; }.warning-icon { display:grid; place-items:center; width:48px; height:48px; margin:0 auto 14px; border-radius:50%; background:#ffe4e6; color:var(--danger); font-size:26px; font-weight:900; }.warning-card h2 { margin-bottom:10px; }.warning-card .primary-button { width:100%; margin-top:8px; }.site-footer { margin-top:28px; color:#64748b; font-size:11px; text-align:center; }
@media (max-width:760px) { .app-shell { padding:18px 13px 22px; }.site-header { margin-bottom:20px; }.exam-layout { display:block; }.question-sidebar { position:relative; top:0; margin-bottom:12px; }.icon-button { display:block; }.question-nav { grid-template-columns:repeat(8,1fr); max-height:none; }.question-sidebar.collapsed .question-nav,.question-sidebar.collapsed .sidebar-note { display:none; }.exam-topbar { align-items:center; }.question-card { min-height:0; }.exam-actions { align-items:stretch; flex-direction:column; }.exam-actions .primary-button { width:100%; }.button-row { flex-direction:column; }.button-row button { width:100%; }.two-col { gap:9px; } }
@media (max-width:430px) { h1 { font-size:35px; }.header-mark { width:48px; height:48px; border-radius:14px; }.question-nav { grid-template-columns:repeat(5,1fr); }.timer-box { min-width:98px; }.timer-box strong { font-size:20px; }.exam-topbar h2 { font-size:21px; }.question-card { border-radius:15px; padding:20px 15px; }.watermark { font-size:15px; }.option-label { padding:12px; }.event-facts { grid-template-columns:1fr; } }

/* Exam controls: one active question at a time. */
.exam-topbar-actions { display:flex; align-items:center; gap:10px; }
.secondary-button { min-height:40px; padding:0 12px; border:0; border-radius:10px; background:#e0f2fe; color:#075985; font-size:12px; font-weight:800; }
.secondary-button:hover { background:#bae6fd; }
.question-nav button { cursor:default; }
.question-card h3 { font-size:clamp(17px,1.8vw,22px); line-height:1.45; font-weight:700; }
.options-list { margin-top:24px; }
@media (max-width:760px) { .exam-topbar { flex-wrap:wrap; }.exam-topbar-actions { width:100%; justify-content:space-between; } }