/* The live demo: setup screens, the exam with its proctoring console, and the report. */
body { min-height: 100vh; }
.app-bar { position: sticky; top: 0; z-index: 30; height: 62px; display: flex; align-items: center; gap: 16px; padding: 0 24px; background: rgba(9, 12, 18, .85); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
.app-bar .exam-name { color: var(--text-2); font-size: 14px; padding-left: 16px; border-left: 1px solid var(--border); }
.app-bar .spacer { flex: 1; }
.pill { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 650; padding: 5px 11px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--border); color: var(--text-2); }
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pill.live { color: var(--bad); background: var(--bad-soft); border-color: transparent; }
.pill.live .dot { animation: pulse 1.4s infinite; }
.pill.warn { color: var(--warn); background: var(--warn-soft); border-color: transparent; }
.timer { font: 650 15px var(--mono); font-variant-numeric: tabular-nums; padding: 5px 11px; border-radius: 9px; background: var(--surface-2); border: 1px solid var(--border); }
.timer.low { color: var(--warn); }

main.app { max-width: 1240px; margin: 0 auto; padding: 28px 24px 56px; }
.screen { display: none; }
.screen.active { display: block; animation: fade .3s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } }

.stepper { display: flex; gap: 8px; max-width: 820px; margin: 0 auto 22px; }
.stepper div { flex: 1; font-size: 12.5px; font-weight: 650; color: var(--text-3); padding-top: 9px; border-top: 3px solid var(--border); }
.stepper div.done { color: var(--good); border-color: var(--good); }
.stepper div.current { color: #8fb6ff; border-color: var(--accent); }

.panel-card { max-width: 820px; margin: 0 auto; padding: 36px 40px; }
.panel-card h1 { font-size: 28px; letter-spacing: -.03em; margin: 0 0 8px; }
.panel-card .lead { color: var(--text-2); margin: 0 0 26px; }
.actions { display: flex; gap: 10px; justify-content: flex-end; align-items: center; margin-top: 26px; }
.actions .note { margin-right: auto; color: var(--text-3); font-size: 13.5px; }

.intro-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 24px; }
.intro-step { padding: 16px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--border); }
.intro-step b { display: block; font-size: 15px; margin: 8px 0 4px; }
.intro-step span { color: var(--text-2); font-size: 13.5px; line-height: 1.5; display: block; }
.intro-step .n { font: 700 12px var(--mono); color: var(--accent-2); }
.notice { display: flex; gap: 12px; padding: 14px 16px; border-radius: 12px; background: var(--accent-soft); color: #c4d8ff; font-size: 14px; }
.notice svg { flex: none; margin-top: 2px; }
.notice.warn { background: var(--warn-soft); color: #ffd79c; }

.split { display: grid; grid-template-columns: 1.15fr 1fr; gap: 30px; align-items: start; }
.camera { position: relative; border-radius: 14px; overflow: hidden; background: #05070b; aspect-ratio: 4 / 3; border: 1px solid var(--border); }
.camera video { width: 100%; height: 100%; object-fit: cover; transform: scaleX(-1); display: block; }
.camera .oval { position: absolute; left: 50%; top: 46%; width: 44%; height: 68%; transform: translate(-50%, -50%); border: 3px dashed rgba(255, 255, 255, .6); border-radius: 50%; transition: border-color .3s, box-shadow .3s; }
.camera .oval.ok { border-style: solid; border-color: var(--good); box-shadow: 0 0 0 9999px rgba(0, 0, 0, .25); }
.camera .hint { position: absolute; left: 0; right: 0; bottom: 14px; text-align: center; font-size: 14px; font-weight: 650; text-shadow: 0 1px 4px rgba(0, 0, 0, .8); }

.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); font-weight: 550; }
.checklist li:last-child { border-bottom: 0; }
.checklist small { display: block; color: var(--text-3); font-weight: 400; font-size: 13px; }
.checklist .icon { width: 24px; height: 24px; flex: none; border-radius: 50%; display: grid; place-items: center; background: var(--surface-2); border: 2px solid var(--border-strong); font-size: 12px; font-weight: 800; }
.checklist li.ok .icon { background: var(--good); border-color: var(--good); color: #06150d; }
.checklist li.ok .icon::after { content: "✓"; }
.checklist li.bad .icon { background: var(--bad); border-color: var(--bad); color: #fff; }
.checklist li.bad .icon::after { content: "✕"; }
.checklist li.wait .icon { border-color: var(--accent); border-top-color: transparent; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.result { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 10px; font-weight: 600; margin-top: 16px; font-size: 14.5px; }
.result.ok { background: var(--good-soft); color: var(--good); }
.result.bad { background: var(--bad-soft); color: #ff8f88; }
.result.info { background: var(--accent-soft); color: #9cc0ff; }

.calib-demo { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; width: 220px; margin: 18px auto 10px; }
.calib-demo i { width: 14px; height: 14px; border-radius: 50%; background: var(--border-strong); justify-self: center; }
.calib-demo i.on { background: var(--bad); box-shadow: 0 0 0 5px var(--bad-soft); }

/* ---------- Exam ---------- */
.exam { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 20px; align-items: start; }
.exam-main { display: grid; gap: 16px; min-width: 0; }

/* The warning the candidate sees */
.warning-slot { display: grid; gap: 10px; }
.warning { display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; padding: 14px 16px; border-radius: 14px; border: 1px solid; animation: drop .3s cubic-bezier(.2, .9, .3, 1.2); }
.warning.high { background: linear-gradient(90deg, rgba(255, 90, 82, .2), rgba(255, 90, 82, .08)); border-color: rgba(255, 90, 82, .5); }
.warning.medium { background: linear-gradient(90deg, rgba(243, 169, 59, .18), rgba(243, 169, 59, .06)); border-color: rgba(243, 169, 59, .45); }
.warning.low { background: var(--surface-2); border-color: var(--border-strong); }
.warning .w-icon { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; }
.warning.high .w-icon { background: var(--bad); color: #fff; }
.warning.medium .w-icon { background: var(--warn); color: #241400; }
.warning.low .w-icon { background: var(--surface-3); color: var(--text-2); }
.warning b { display: block; font-size: 15.5px; }
.warning span { display: block; color: var(--text-2); font-size: 14px; }
.warning .close { background: none; border: 0; color: var(--text-3); font-size: 20px; cursor: pointer; padding: 4px 8px; }
.warning.leaving { animation: rise .3s ease forwards; }
@keyframes drop { from { opacity: 0; transform: translateY(-10px) scale(.98); } }
@keyframes rise { to { opacity: 0; transform: translateY(-8px); } }

.question-card { padding: 30px 34px; min-height: 420px; display: flex; flex-direction: column; }
.q-meta { display: flex; justify-content: space-between; color: var(--text-3); font-size: 13px; font-weight: 650; margin-bottom: 16px; }
.q-meta .topic { color: var(--accent-2); }
.question { font-size: 21px; font-weight: 600; line-height: 1.45; margin: 0 0 22px; letter-spacing: -.01em; }
.options { display: grid; gap: 10px; }
.option { display: flex; gap: 14px; align-items: center; padding: 14px 16px; border: 1.5px solid var(--border); border-radius: 12px; cursor: pointer; font-weight: 520; background: var(--bg-2); transition: border-color .15s, background .15s; }
.option:hover { border-color: var(--border-strong); }
.option.selected { border-color: var(--accent); background: var(--accent-soft); }
.option .letter { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; background: var(--surface-2); border: 1px solid var(--border); font-size: 13px; font-weight: 700; color: var(--text-2); }
.option.selected .letter { background: var(--accent); border-color: var(--accent); color: #fff; }
.q-nav { margin-top: auto; padding-top: 26px; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.q-dots { display: flex; gap: 7px; }
.q-dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--border-strong); }
.q-dots i.answered { background: var(--accent); }
.q-dots i.current { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Try-to-cheat checklist */
.challenge { padding: 20px 22px; }
.challenge-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 4px; }
.challenge-head h3 { margin: 0; font-size: 16px; }
.challenge-head .score { font: 650 13px var(--mono); color: var(--text-2); }
.challenge > p { margin: 0 0 14px; color: var(--text-2); font-size: 14px; }
.tries { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; }
.try { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border-radius: 10px; background: var(--bg-2); border: 1px solid var(--border); font-size: 13.5px; transition: background .3s, border-color .3s; }
.try .tick { width: 18px; height: 18px; border-radius: 50%; flex: none; margin-top: 1px; border: 2px solid var(--border-strong); display: grid; place-items: center; font-size: 10px; font-weight: 900; }
.try b { display: block; font-size: 13.5px; font-weight: 600; }
.try span { color: var(--text-3); font-size: 12.5px; }
.try.caught { border-color: rgba(52, 199, 123, .45); background: var(--good-soft); }
.try.caught .tick { background: var(--good); border-color: var(--good); color: #06150d; }
.try.caught .tick::after { content: "✓"; }
.try.flash { animation: flash 1s ease; }
@keyframes flash { 30% { background: rgba(52, 199, 123, .35); } }

/* The proctoring console */
.console { position: sticky; top: 80px; padding: 16px; display: grid; gap: 14px; }
.console-head { display: flex; justify-content: space-between; align-items: center; }
.console-head h3 { margin: 0; font-size: 14px; display: flex; gap: 8px; align-items: center; }
.console-head .who { font-size: 12px; color: var(--text-3); }
.cam { position: relative; border-radius: 12px; overflow: hidden; aspect-ratio: 4 / 3; background: #05070b; outline: 2px solid transparent; outline-offset: -2px; transition: outline-color .3s; }
.cam video { width: 100%; height: 100%; object-fit: cover; transform: scaleX(-1); display: block; }
.cam.alarm { outline-color: var(--bad); animation: alarm 1s ease 2; }
@keyframes alarm { 50% { outline-color: transparent; } }
.cam .tags { position: absolute; left: 8px; right: 8px; bottom: 8px; display: flex; flex-wrap: wrap; gap: 5px; }
.cam .tag { font: 650 11px/1 var(--font); padding: 5px 7px; border-radius: 6px; background: rgba(0, 0, 0, .65); backdrop-filter: blur(6px); color: #dfe6f2; }
.cam .tag.bad { background: rgba(255, 90, 82, .9); color: #fff; }
.cam .tag.warn { background: rgba(243, 169, 59, .92); color: #241400; }
.cam .latency { position: absolute; top: 8px; right: 8px; font: 600 11px var(--mono); padding: 4px 6px; border-radius: 6px; background: rgba(0, 0, 0, .6); color: #b9c4d6; }

.risk { display: grid; grid-template-columns: 112px 1fr; gap: 14px; align-items: center; padding: 12px; border-radius: 12px; background: var(--bg-2); border: 1px solid var(--border); }
.gauge { position: relative; width: 112px; height: 64px; }
.gauge svg { width: 112px; height: 64px; overflow: visible; }
.gauge b { position: absolute; left: 0; right: 0; bottom: -2px; text-align: center; font-size: 22px; letter-spacing: -.03em; }
.risk-text b { display: block; font-size: 15px; }
.risk-text span { color: var(--text-3); font-size: 12.5px; line-height: 1.4; display: block; }
.counts { display: flex; gap: 6px; margin-top: 8px; }
.counts span { font: 650 11.5px var(--font); padding: 3px 7px; border-radius: 6px; }

.signals { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.signal { display: flex; align-items: center; gap: 9px; padding: 8px 10px; border-radius: 10px; background: var(--bg-2); border: 1px solid var(--border); font-size: 13px; min-width: 0; transition: background .3s, border-color .3s; }
.signal .led { width: 8px; height: 8px; border-radius: 50%; flex: none; background: var(--text-3); }
.signal div { min-width: 0; }
.signal b { display: block; font-size: 10.5px; color: var(--text-3); font-weight: 650; text-transform: uppercase; letter-spacing: .06em; }
.signal span { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.signal.ok .led { background: var(--good); box-shadow: 0 0 8px var(--good); }
.signal.warn .led { background: var(--warn); box-shadow: 0 0 8px var(--warn); }
.signal.warn { border-color: rgba(243, 169, 59, .35); }
.signal.bad .led { background: var(--bad); box-shadow: 0 0 8px var(--bad); }
.signal.bad { background: var(--bad-soft); border-color: rgba(255, 90, 82, .4); }

.feed-head { display: flex; justify-content: space-between; align-items: center; }
.feed-head h4 { margin: 0; font-size: 13px; color: var(--text-2); }
.filters { display: flex; gap: 4px; }
.filters button { font: 600 11.5px var(--font); padding: 4px 8px; border-radius: 7px; border: 1px solid transparent; background: none; color: var(--text-3); cursor: pointer; }
.filters button.on { background: var(--surface-3); color: var(--text); border-color: var(--border-strong); }
.feed { list-style: none; padding: 0; margin: 0; max-height: 260px; overflow-y: auto; display: grid; gap: 6px; }
.feed li { display: grid; grid-template-columns: 4px 1fr auto; gap: 10px; padding: 9px 10px 9px 0; border-radius: 10px; background: var(--bg-2); border: 1px solid var(--border); font-size: 13px; overflow: hidden; animation: drop .3s ease; }
.feed li::before { content: ""; background: var(--text-3); align-self: stretch; margin: -9px 0; }
.feed li.high::before { background: var(--bad); }
.feed li.medium::before { background: var(--warn); }
.feed li b { display: block; font-size: 13.5px; }
.feed li .msg { color: var(--text-3); font-size: 12.5px; }
.feed li time { color: var(--text-3); font: 12px var(--mono); }
.feed .empty { display: block; text-align: center; padding: 18px 10px; color: var(--text-3); background: none; border: 1px dashed var(--border); }
.feed .empty::before { display: none; }
.toggle { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--text-2); cursor: pointer; }
.toggle input { accent-color: var(--accent); }
#pointer { position: fixed; width: 30px; height: 30px; margin: -15px 0 0 -15px; border-radius: 50%; background: rgba(79, 140, 255, .2); border: 2px solid var(--accent); pointer-events: none; z-index: 40; display: none; transition: left .08s linear, top .08s linear; }

/* ---------- Report ---------- */
.report-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.report-head h1 { margin: 0 0 4px; font-size: 28px; letter-spacing: -.03em; }
.verdict { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; padding: 9px 15px; border-radius: 999px; }
.verdict.ok { background: var(--good-soft); color: var(--good); }
.verdict.warn { background: var(--warn-soft); color: var(--warn); }
.verdict.bad { background: var(--bad-soft); color: #ff8f88; }
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.tile { padding: 16px 18px; }
.tile b { display: block; font-size: 26px; letter-spacing: -.03em; }
.tile span { color: var(--text-2); font-size: 13.5px; }
.report-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px; margin-bottom: 16px; }
.report-grid .card, .timeline-card { padding: 20px 22px; }
.report-grid h3, .timeline-card h3 { margin: 0 0 14px; font-size: 14.5px; }
.chart svg { width: 100%; height: 200px; display: block; overflow: visible; }
.bars { display: grid; gap: 9px; }
.bar-row { display: grid; grid-template-columns: 160px 1fr 28px; gap: 10px; align-items: center; font-size: 13.5px; }
.bar-row .track { height: 10px; background: var(--surface-3); border-radius: 99px; overflow: hidden; }
.bar-row .fill { height: 100%; border-radius: 99px; }
.bar-row .count { text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; }
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { display: grid; grid-template-columns: 60px 84px 1fr; gap: 12px; padding: 11px 0; border-top: 1px solid var(--border); font-size: 14px; align-items: center; }
.timeline time { color: var(--text-3); font: 13px var(--mono); }
.report-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; flex-wrap: wrap; }

@media (max-width: 1020px) {
  .exam { grid-template-columns: 1fr; }
  .console { position: static; }
  .report-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  main.app { padding: 18px 16px 40px; }
  .panel-card { padding: 24px 18px; }
  .intro-steps { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; }
  .tiles { grid-template-columns: 1fr 1fr; }
  .app-bar { padding: 0 16px; gap: 10px; }
  .app-bar .exam-name { display: none; }
  .question-card { padding: 22px 18px; }
  .bar-row { grid-template-columns: 110px 1fr 24px; }
  .timeline li { grid-template-columns: 48px 1fr; }
  .timeline li > span:nth-child(2) { display: none; }
}