:root { --ink: #17233c; --accent: #ef6a55; --paper: #f6f4ef; --line: #dcd8cf; }
* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; }
body { margin: 0; overflow: hidden; background: var(--paper); color: var(--ink); font-family: Arial, Helvetica, sans-serif; }
button { font: inherit; }
.course { height: 100vh; min-height: 0; display: flex; flex-direction: column; overflow: hidden; }
.course-header { min-height: 68px; padding: 12px 22px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 16px; background: white; border-bottom: 1px solid var(--line); }
.course-header h1 { margin: 0; overflow: hidden; font-size: 18px; text-overflow: ellipsis; white-space: nowrap; }
.icon-button { width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 9px; background: white; color: var(--ink); cursor: pointer; }
.course-layout { min-height: 0; flex: 1; padding: 18px; display: grid; grid-template-columns: 228px minmax(0, 1fr); gap: 18px; overflow: hidden; direction: ltr; }
.slide-menu, .stage { direction: inherit; }
html[dir="rtl"] .slide-menu, html[dir="rtl"] .stage { direction: rtl; }
.course.menu-collapsed .course-layout, .course.menu-hidden .course-layout { grid-template-columns: minmax(0, 1fr); }
.course.menu-collapsed .slide-menu, .course.menu-hidden .slide-menu { display: none; }
.slide-menu { min-width: 0; min-height: 0; height: 100%; padding: 12px; overflow-x: hidden; overflow-y: auto; overscroll-behavior: contain; scrollbar-gutter: stable; border: 1px solid var(--line); border-radius: 12px; background: #edeae3; }
.slide-item { width: 100%; margin: 0 0 10px; padding: 8px; display: grid; grid-template-columns: 74px 1fr auto; align-items: center; gap: 10px; border: 1px solid transparent; border-radius: 9px; background: transparent; color: var(--ink); text-align: left; cursor: pointer; }
.slide-item:last-child { margin-bottom: 0; }
.slide-item:hover:not(:disabled), .slide-item.active { border-color: var(--accent); background: white; }
.slide-item:disabled { opacity: .45; cursor: not-allowed; }
.slide-item img { width: 74px; aspect-ratio: 16/9; object-fit: contain; background: white; pointer-events: none; }
.slide-item span { overflow: hidden; font-size: 12px; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; pointer-events: none; }
.slide-item i { color: var(--accent); font-style: normal; pointer-events: none; }
.slide-menu.scroll-scrollbar { scrollbar-color: var(--accent) #d8d4cb; scrollbar-width: thin; }
.slide-menu.scroll-scrollbar::-webkit-scrollbar { width: 9px; height: 9px; }
.slide-menu.scroll-scrollbar::-webkit-scrollbar-track { border-radius: 99px; background: #d8d4cb; }
.slide-menu.scroll-scrollbar::-webkit-scrollbar-thumb { border: 2px solid #d8d4cb; border-radius: 99px; background: var(--accent); }
.slide-menu.scroll-drag { scrollbar-width: none; cursor: grab; touch-action: none; user-select: none; }
.slide-menu.scroll-drag::-webkit-scrollbar { display: none; }
.slide-menu.scroll-drag.dragging { cursor: grabbing; }
.course.menu-horizontal .course-layout { grid-template-columns: minmax(0, 1fr); grid-template-rows: 136px minmax(0, 1fr); }
.course.menu-horizontal.menu-hidden .course-layout { grid-template-rows: minmax(0, 1fr); }
.course.menu-horizontal .slide-menu { width: 100%; height: 136px; padding: 10px; display: flex; overflow-x: auto; overflow-y: hidden; }
.course.menu-horizontal .slide-item { width: auto; min-width: 0; flex: 0 0 158px; margin: 0 10px 0 0; display: grid; grid-template-columns: 1fr auto; grid-template-rows: 1fr auto; gap: 5px; }
.course.menu-horizontal .slide-item:last-child { margin-right: 0; }
.course.menu-horizontal .slide-item img { width: 100%; height: 76px; grid-column: 1 / -1; }
.course.menu-horizontal .slide-item span { padding-left: 2px; }
.stage { min-width: 0; min-height: 0; padding: 10px; display: flex; flex-direction: column; align-items: center; overflow: hidden; }
.slide-frame { position: relative; width: min(100%, 1200px); flex: 1; min-height: 0; display: grid; place-items: center; overflow: hidden; isolation: isolate; }
.slide-frame img { display: block; max-width: 100%; max-height: 100%; object-fit: contain; background: white; box-shadow: 0 18px 45px rgba(23,35,60,.15); }
.slide-layer { position: absolute; inset: 0; width: 100%; height: 100%; margin: auto; transform-origin: center; }
.slide-layer.outgoing { z-index: 1; }
.slide-layer.incoming { z-index: 2; }
.slide-layer[hidden] { display: none; }
.progress-block { width: min(100%, 1200px); margin-top: 16px; flex: 0 0 auto; }
.progress-copy { min-height: 20px; display: flex; justify-content: space-between; color: #697184; font-size: 12px; font-weight: 700; }
.progress-track { height: 6px; overflow: hidden; border-radius: 99px; background: #dedbd4; }
.progress-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: var(--accent); transition: width .2s ease; }
.controls { width: min(100%, 1200px); min-height: 62px; flex: 0 0 auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 16px; }
.controls button { min-height: 42px; padding: 0 18px; display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 7px; background: white; color: var(--ink); font-weight: 700; cursor: pointer; }
.controls #previousButton { grid-column: 1; justify-self: start; }
.controls .control-status { grid-column: 2; }
.controls #nextButton { grid-column: 3; justify-self: end; }
.nav-arrow { display: inline-block; flex: 0 0 auto; font-size: 1.15em; line-height: 1; }
html[dir="rtl"] .nav-arrow { transform: scaleX(-1); }
.controls button:last-child { justify-self: end; }
.controls button.primary { border-color: var(--ink); background: var(--ink); color: white; }
.controls button:disabled { opacity: .42; cursor: not-allowed; }
#timerMessage { color: #697184; font-size: 12px; text-align: center; }
.fatal-error { max-width: 620px; margin: 18vh auto; padding: 28px; border: 1px solid #f0b4a9; border-radius: 12px; background: #fff0eb; color: #8b2e20; }
@media (max-width: 760px) {
  body { overflow: auto; }
  .course-layout { display: block; padding: 0; overflow-y: auto; }
  .slide-menu { position: fixed; inset: 68px auto 0 0; z-index: 5; width: min(290px, 88vw); height: auto; max-height: none; margin: 0; border-width: 0 1px 0 0; border-radius: 0; transform: translateX(-100%); transition: transform .2s ease; box-shadow: 12px 0 30px rgba(23,35,60,.16); }
  .slide-menu.open { transform: translateX(0); }
  .course.menu-collapsed .slide-menu { display: block; }
  html[dir="rtl"] .slide-menu { inset: 68px 0 0 auto; border-width: 0 0 0 1px; transform: translateX(100%); box-shadow: -12px 0 30px rgba(23,35,60,.16); }
  html[dir="rtl"] .slide-menu.open { transform: translateX(0); }
  .stage { min-height: calc(100vh - 68px); padding: 16px; overflow-y: auto; }
  .slide-frame { min-height: 240px; }
  .controls { grid-template-columns: 1fr 1fr; padding-top: 10px; }
  .controls .control-status { grid-column: 1 / -1; grid-row: 1; }
  .controls button { grid-row: 2; }
  .controls #previousButton { grid-column: 1; }
  .controls #nextButton { grid-column: 2; }
  .course.menu-horizontal .course-layout { padding: 10px; display: grid; grid-template-rows: 112px minmax(0, 1fr); gap: 10px; overflow: hidden; }
  .course.menu-horizontal .slide-menu { position: static; inset: auto; z-index: auto; width: 100%; height: 112px; padding: 8px; border: 1px solid var(--line); border-radius: 10px; transform: none; box-shadow: none; }
  .course.menu-horizontal .slide-item { flex-basis: 124px; }
  .course.menu-horizontal .slide-item img { height: 56px; }
  .course.menu-horizontal .stage { min-height: 0; padding: 6px; }
}

@media (prefers-reduced-motion: reduce) { .slide-layer { animation: none !important; transition: none !important; } }


/* Stage 2 questions */
.content-frame { position: relative; width: min(100%, 1200px); min-height: 0; flex: 1; display: grid; place-items: stretch; overflow: hidden; }
.content-frame > .slide-frame { width: 100%; }
.question-surface, .review-panel { width: 100%; height: 100%; padding: clamp(18px, 4vw, 52px); overflow-y: auto; border: 1px solid var(--line); border-radius: 14px; background: linear-gradient(145deg, #fff, #f9f5ee); box-shadow: 0 18px 45px rgba(23,35,60,.12); }
.question-menu-icon { width: 74px; aspect-ratio: 16/9; display: grid; place-items: center; border-radius: 7px; background: var(--ink); color: white; font-family: Georgia, serif; font-size: 26px; }
.course.menu-horizontal .question-menu-icon { width: 100%; height: 76px; grid-column: 1 / -1; }
.quiz-progress { margin-top: 8px; color: #697184; font-size: 11px; font-weight: 700; text-align: right; }
.question-modal { position: fixed; inset: 0; z-index: 20; padding: 24px; display: grid; place-items: center; overflow-y: auto; background: rgba(9,18,36,.68); backdrop-filter: blur(3px); }
.question-modal[hidden] { display: none; }
.question-modal-content { width: min(680px, 100%); max-height: calc(100vh - 48px); overflow-y: auto; }
.question-modal.size-small .question-modal-content { width: min(480px, 100%); }
.question-modal.size-large .question-modal-content { width: min(920px, 100%); }
.question-card { width: min(760px, 100%); margin: auto; padding: clamp(22px, 4vw, 46px); border: 1px solid var(--line); border-radius: 18px; background: white; box-shadow: 0 24px 65px rgba(23,35,60,.18); animation-duration: var(--question-duration, 300ms); animation-fill-mode: both; animation-timing-function: cubic-bezier(.22,.61,.36,1); }
.question-eyebrow { color: var(--accent); font-size: 11px; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.question-card h2 { margin: 14px 0 8px; font-size: clamp(24px, 4vw, 38px); letter-spacing: -.035em; line-height: 1.15; }
.question-description { margin: 0 0 22px; color: #697184; line-height: 1.6; }
.question-options { display: grid; gap: 10px; }
.question-options label { min-height: 52px; padding: 12px 14px; display: flex; align-items: center; gap: 12px; border: 1px solid var(--line); border-radius: 10px; background: #fcfbf8; cursor: pointer; }
.question-options label:has(input:checked) { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 9%, white); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 18%, transparent); }
.question-options input { width: 18px; height: 18px; flex: 0 0 auto; accent-color: var(--accent); }
.question-options span { line-height: 1.45; }
.question-error { margin: 12px 0 0; color: #a63f31; font-size: 12px; font-weight: 700; }
.question-feedback { margin-top: 16px; padding: 14px; border-radius: 9px; font-weight: 700; }
.question-feedback.correct { background: #eaf8f1; color: #176a47; }
.question-feedback.incorrect { background: #fff0eb; color: #943a2e; }
.question-feedback p { margin: 8px 0 0; font-weight: 400; line-height: 1.5; }
.question-actions, .review-actions { margin-top: 22px; display: flex; align-items: center; justify-content: flex-end; gap: 10px; }
.question-actions button, .review-actions button { min-height: 44px; padding: 0 18px; border-radius: 7px; font-weight: 800; cursor: pointer; }
.question-primary { border: 1px solid var(--ink); background: var(--ink); color: white; }
.question-secondary { border: 1px solid var(--line); background: white; color: var(--ink); }
.question-actions button:disabled, .review-actions button:disabled { opacity: .42; cursor: not-allowed; }
.review-panel h2 { margin: 0; font-size: clamp(28px, 4vw, 42px); }
.review-panel > p { color: #697184; }
.review-list { display: grid; gap: 8px; margin-top: 22px; }
.review-item { width: 100%; min-height: 48px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 8px; background: white; color: var(--ink); text-align: left; cursor: pointer; }
.review-item.answered { border-left: 4px solid #2c9b6c; }
.review-item.skipped { border-left: 4px solid #d19a34; }
.review-item.unanswered { border-left: 4px solid #c85c4d; }
.result-pass { color: #176a47; }
.result-fail { color: #943a2e; }
.question-animation-none { animation: none; }
.question-animation-fade { animation-name: question-fade; }
.question-animation-slide { animation-name: question-slide; }
.question-animation-scale { animation-name: question-scale; }
@keyframes question-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes question-slide { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes question-scale { from { opacity: 0; transform: scale(.96); } to { opacity: 1; transform: scale(1); } }
@media (max-width: 760px) {
  .content-frame { min-height: 360px; }
  .question-surface, .review-panel { padding: 14px; }
  .question-modal { padding: 12px; }
  .question-card { padding: 22px 16px; border-radius: 12px; }
  .course.menu-horizontal .question-menu-icon { height: 56px; }
}
@media (prefers-reduced-motion: reduce) {
  .question-card { animation: none !important; }
}

.media-layer { position: absolute; z-index: 5; pointer-events: none; }
.media-item { position: relative; display: block; container-type: inline-size; background: #080c14; color: white; border-radius: 12px; overflow: hidden; pointer-events: auto; min-width: 44px; min-height: 44px; isolation: isolate; box-shadow: 0 10px 28px rgba(4,8,18,.24); }
.media-layer > .media-item { position: absolute; }
.media-layer > .media-popup-item { display: grid; place-items: center; overflow: visible; background: transparent; box-shadow: none; pointer-events: none; }
.media-item video, .media-item audio, .youtube-host, .youtube-host iframe { display: block; width: 100%; height: 100%; min-height: 0; object-fit: contain; border: 0; background: #080c14; }
.media-popup-launcher { width: 100%; height: 100%; min-height: 0; padding: 10px 16px; display: flex; align-items: center; justify-content: center; gap: 10px; border: 1px solid rgba(255,255,255,.38); border-radius: 14px; background: #182640; color: white; font: inherit; font-weight: 800; cursor: pointer; box-shadow: 0 10px 28px rgba(9,18,36,.3); transition: transform .18s ease, box-shadow .18s ease; }
.media-popup-item .media-popup-launcher { pointer-events: auto; }
.media-popup-launcher:hover { transform: translateY(-1px); box-shadow: 0 12px 30px rgba(9,18,36,.3); }
.media-popup-launcher:focus-visible { outline: 3px solid white; outline-offset: -5px; }
.media-popup-launcher-icon { width: 34px; height: 34px; flex: 0 0 34px; display: grid; place-items: center; border-radius: 50%; background: rgba(255,255,255,.18); backdrop-filter: blur(4px); }
.media-popup-launcher-icon svg { width: 18px; height: 18px; fill: currentColor; }
.media-popup-launcher-icon img { width: 100%; height: 100%; object-fit: contain; }
.media-popup-launcher-label { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.media-popup-launcher.mode-icon_only { gap: 0; }
.media-display-hidden { background: transparent; overflow: visible; }
.media-custom-controls { position: absolute; z-index: 4; inset-inline: 0; bottom: 0; display: grid; gap: 5px; padding: 30px 10px 9px; background: linear-gradient(180deg,transparent,rgba(4,7,13,.76) 42%,rgba(4,7,13,.96)); transition: opacity .2s ease, transform .2s ease; }
.media-controls-row { min-width: 0; display: flex; align-items: center; gap: 5px; flex-wrap: nowrap; }
.media-controls-spacer { flex: 1 1 auto; }
.media-control-button { width: 34px; height: 34px; flex: 0 0 34px; padding: 0; display: inline-grid; place-items: center; border: 0; border-radius: 50%; background: transparent; color: white; cursor: pointer; text-decoration: none; transition: background .16s ease, transform .16s ease; }
.media-control-button:hover { background: rgba(255,255,255,.17); transform: scale(1.04); }
.media-control-button:focus-visible, .media-custom-controls select:focus-visible, .media-custom-controls input:focus-visible { outline: 2px solid white; outline-offset: 2px; }
.media-control-button svg { width: 20px; height: 20px; fill: currentColor; }
.media-center-play { position: absolute; z-index: 3; inset: 50% auto auto 50%; width: clamp(48px,20cqw,70px); height: clamp(48px,20cqw,70px); transform: translate(-50%,-50%); background: rgba(9,15,27,.78); border: 1px solid rgba(255,255,255,.45); box-shadow: 0 10px 30px rgba(0,0,0,.34); backdrop-filter: blur(6px); }
.media-center-play:hover { transform: translate(-50%,-50%) scale(1.06); background: rgba(9,15,27,.9); }
.media-center-play svg { width: 38%; height: 38%; margin-inline-start: 3px; }
.media-item.is-playing .media-center-play { opacity: 0; pointer-events: none; }
.media-item.media-controls-idle:not(:focus-within) .media-custom-controls,
.media-item.media-controls-idle.media-pointer-input .media-custom-controls { opacity: 0; transform: translateY(8px); pointer-events: none; }
.media-progress-row { min-width: 0; display: flex; align-items: center; }
.media-custom-controls input[type="range"] { min-width: 0; height: 18px; margin: 0; accent-color: var(--accent); cursor: pointer; }
.media-progress-row input[type="range"] { width: 100%; }
.media-control-volume { width: 72px; flex: 0 1 72px; }
.media-control-time { flex: 0 0 auto; direction: ltr; color: white; font-size: 11px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.media-custom-controls select { min-width: 54px; max-width: 110px; height: 30px; padding: 0 5px; border: 1px solid rgba(255,255,255,.28); border-radius: 7px; background: rgba(6,10,18,.78); color: white; font: inherit; font-size: 11px; }
.media-transcript { position: relative; flex: 0 0 auto; }
.media-transcript summary { min-height: 30px; padding: 7px 8px; border-radius: 7px; cursor: pointer; font-size: 11px; list-style: none; }
.media-transcript summary:hover { background: rgba(255,255,255,.14); }
.media-transcript p { position: absolute; inset-inline-end: 0; bottom: 38px; width: min(320px,80vw); max-height: 180px; margin: 0; padding: 12px; overflow: auto; border: 1px solid rgba(255,255,255,.2); border-radius: 9px; background: rgba(5,8,14,.96); box-shadow: 0 10px 28px rgba(0,0,0,.4); font-size: 12px; line-height: 1.5; }
.media-visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
.media-fallback, .media-hotspot { border: 0; border-radius: 7px; padding: 7px 10px; font: inherit; cursor: pointer; }
.media-audio { min-height: 70px; display: flex; align-items: flex-end; background: linear-gradient(135deg,#121b2d,#080c14); }
.media-audio > audio { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.media-audio .media-custom-controls { position: relative; width: 100%; padding: 10px; background: transparent; }
.media-audio .media-controls-row { min-height: 42px; }
.media-controls-compact { padding-top: 9px; }
.media-item:fullscreen { width: 100vw; height: 100vh; border-radius: 0; background: #000; }
.media-item:fullscreen video, .media-item:fullscreen .youtube-host { width: 100%; height: 100%; max-height: none; }
.youtube-poster-play { width: 100%; height: 100%; min-height: 44px; border: 0; background-size: cover; background-position: center; color: white; font: inherit; font-weight: 800; cursor: pointer; }
.media-popup-close { flex: 0 0 auto; min-height: 36px; padding: 7px 12px; border: 1px solid #d9deea; border-radius: 7px; background: white; color: #17233c; font-weight: 800; cursor: pointer; }
.media-hotspot { position: absolute; z-index: 100; pointer-events: auto; background: var(--accent); color: white; }
.media-hotspot.transparent { opacity: 0; }
.media-hotspot.transparent:focus-visible { opacity: 1; outline: 3px solid white; }
.media-loading, .media-failed { display: grid; place-items: center; padding: 20px; text-align: center; }
.media-step { width: min(960px, 100%); height: 100%; margin: auto; padding: 24px; }
.media-step .media-item { width: 100%; height: 100%; min-height: 260px; }
.media-modal-content { width: min(900px, 92vw); max-height: calc(100vh - 48px); overflow: hidden; display: flex; flex-direction: column; border: 1px solid rgba(255,255,255,.2); border-radius: 14px; background: #10141d; box-shadow: 0 28px 80px rgba(0,0,0,.48); }
.media-modal.size-small .media-modal-content { width: min(560px, 92vw); }
.media-modal.size-large .media-modal-content { width: min(1160px, 96vw); }
.media-popup-header { flex: 0 0 auto; min-height: 56px; padding: 10px 12px 10px 18px; display: flex; align-items: center; justify-content: space-between; gap: 16px; background: white; color: #17233c; }
.media-popup-header h2 { min-width: 0; margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: clamp(17px, 2vw, 22px); }
.media-popup-body { min-height: 0; display: grid; place-items: center; overflow: auto; background: #05070b; }
.media-popup-body .media-item { width: 100%; max-height: calc(100vh - 106px); display: flex; flex-direction: column; background: #05070b; }
.media-popup-body .media-item video { width: 100%; height: auto; max-height: calc(100vh - 170px); aspect-ratio: auto; object-fit: contain; background: #05070b; }
.media-popup-body .youtube-host { width: 100%; height: auto; aspect-ratio: 16 / 9; max-height: calc(100vh - 170px); }
.media-popup-body .youtube-host iframe { display: block; width: 100%; height: 100%; object-fit: contain; }
.video-menu-icon { display: grid; place-items: center; width: 48px; height: 32px; border-radius: 6px; background: #edf0f7; color: #343b4d; }

@container (max-width: 430px) {
  .media-control-restart, .media-control-download, .media-transcript { display: none; }
  .media-control-volume { width: 54px; flex-basis: 54px; }
}
@container (max-width: 320px) {
  .media-control-volume, .media-control-speed, .media-control-captions { display: none; }
  .media-custom-controls { padding-inline: 6px; padding-bottom: 5px; }
  .media-control-button { width: 30px; height: 30px; flex-basis: 30px; }
  .media-control-time { font-size: 10px; }
}
@container (max-width: 230px) {
  .media-control-time, .media-control-mute { display: none; }
  .media-custom-controls { padding-top: 22px; }
}

@media (max-width: 760px) {
  .media-step { padding: 10px; }
  .media-modal-content { width: 94vw; max-height: calc(100vh - 24px); }
  .media-popup-header { min-height: 50px; padding: 8px 10px 8px 14px; }
  .media-popup-body .media-item video, .media-popup-body .youtube-host { max-height: calc(100vh - 120px); }
}

.control-status { min-width: 150px; display: grid; justify-items: center; gap: 5px; }
.resource-control { position: relative; max-width: min(430px, 55vw); }
.resource-control > button { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.resource-control > button::before { content: "\2193"; font-size: 1.05em; }
.resource-control > button.completed::after { content: "\2713"; color: #1f7a54; }
.resource-menu { position: absolute; z-index: 30; inset-inline: 50% auto; bottom: calc(100% + 10px); width: min(360px, 80vw); max-height: min(320px, 45vh); overflow-y: auto; transform: translateX(-50%); padding: 7px; border: 1px solid var(--line); border-radius: 10px; background: white; box-shadow: 0 18px 48px rgba(23,35,60,.2); }
[dir="rtl"] .resource-menu { transform: translateX(50%); }
.resource-menu a { display: grid; gap: 3px; padding: 10px 12px; border-radius: 7px; color: var(--ink); text-decoration: none; }
.resource-menu a:hover, .resource-menu a:focus-visible { background: #f3efe8; outline: 2px solid var(--accent); outline-offset: -2px; }
.resource-menu span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 700; }
.resource-menu small { color: var(--muted); }
.media-resource-item { background: transparent; overflow: visible; }
.media-resource-launcher { width: 100%; height: 100%; text-decoration: none; }
#reviewQuestionButton { min-height: 30px; padding: 0 10px; border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); color: var(--accent); font-size: 11px; }
.question-options label.correct-answer { border-color: #2c9b6c; background: #e9f7f0; box-shadow: inset 4px 0 0 #2c9b6c; }
.question-options label.incorrect-selection { border-color: #c85c4d; background: #fff0ed; box-shadow: inset 4px 0 0 #c85c4d; }

.question-animation-slide_side { animation-name: question-slide-side; }
.question-animation-pop { animation-name: question-pop; animation-timing-function: cubic-bezier(.34,1.56,.64,1); }
.question-animation-flip { animation-name: question-flip; }
.question-animation-bounce { animation-name: question-bounce; }
.question-animation-stagger { animation-name: question-fade; }
.question-animation-stagger .question-options label { opacity: 0; animation: question-answer-stagger 260ms ease forwards; }
.question-animation-stagger .question-options label:nth-child(2) { animation-delay: 90ms; }
.question-animation-stagger .question-options label:nth-child(3) { animation-delay: 180ms; }
.question-animation-stagger .question-options label:nth-child(4) { animation-delay: 270ms; }
@keyframes question-slide-side { from { opacity: 0; transform: translateX(28px); } to { opacity: 1; transform: translateX(0); } }
@keyframes question-pop { from { opacity: 0; transform: scale(.82); } to { opacity: 1; transform: scale(1); } }
@keyframes question-flip { from { opacity: 0; transform: perspective(900px) rotateY(65deg); } to { opacity: 1; transform: perspective(900px) rotateY(0); } }
@keyframes question-bounce { 0% { opacity: 0; transform: translateY(30px); } 70% { transform: translateY(-7px); } 100% { opacity: 1; transform: translateY(0); } }
@keyframes question-answer-stagger { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
[dir="rtl"] .question-card, [dir="rtl"] .review-panel { text-align: start; }
.slide-frame, .media-layer, .media-step video, .media-modal video { direction: ltr; }