:root {
  --bg: #020914;
  --ink: #f6f9ff;
  --muted: #b9c8df;
  --line: rgba(112, 180, 255, .24);
  --panel: rgba(3, 22, 52, .76);
  --panel2: rgba(5, 30, 68, .92);
  --blue: #0b74ff;
  --blue2: #0058ee;
  --radius: 8px;
  color-scheme: dark;
  font-family: Arial, "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: #020914;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
.is-hidden { display: none !important; }
.muted { color: var(--muted); }

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: url("/references/main-desktop.png") center / cover no-repeat;
}
.login-card {
  width: min(460px, 100%);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(2, 14, 33, .9);
  box-shadow: 0 24px 90px rgba(0, 0, 0, .5);
}
.login-card h1 { margin: 24px 0 16px; font-size: 34px; line-height: 1.08; }
.login-card label { display: block; margin-bottom: 8px; color: var(--muted); }
.consent-row {
  display: grid !important;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  margin-top: 14px;
  color: var(--ink) !important;
  line-height: 1.35;
}
.consent-row input { width: auto; margin-top: 2px; }
.consent-row a { color: #7fc0ff; text-decoration: underline; }
.login-help {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(124, 186, 255, .16);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.4;
}
.login-help strong { color: var(--ink); }
.login-help p { margin: 4px 0 10px; }
.password-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  background: rgba(2, 15, 36, .9);
  outline: none;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: rgba(72, 158, 255, .84); }
.error { min-height: 22px; color: #ff9b9b; }

button, .primary-btn, .secondary-btn {
  border: 0;
  border-radius: var(--radius);
  min-height: 44px;
  padding: 12px 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: #fff;
  background: linear-gradient(135deg, #1282ff, #0054ec);
  box-shadow: 0 12px 30px rgba(0, 92, 255, .26);
}
.secondary-btn {
  border: 1px solid rgba(124, 186, 255, .34);
  background: rgba(255, 255, 255, .06);
  box-shadow: none;
}
.ghost-btn, .icon-btn, .small-btn {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .06);
  box-shadow: none;
}
.icon-btn {
  width: 44px;
  min-width: 44px;
  padding: 0;
  font-size: 23px;
}

.app-shell {
  width: 100vw;
  margin: 0 auto;
  padding: 0;
}
.reference-home {
  position: relative;
  width: 100vw;
  margin: 0 auto;
  overflow: hidden;
  background: #020b1d;
}
.section-page {
  position: relative;
  width: 100vw;
  margin: 0 auto;
  overflow: hidden;
  background: #020b1d;
}
.builder-runtime-page {
  position: relative;
  width: 100vw;
  min-height: 100vh;
  margin: 0 auto;
  overflow: hidden;
  background: #020b1d;
}
.builder-runtime-page.has-background {
  min-height: 0;
}
.section-page picture,
.section-page img,
.builder-runtime-page picture,
.builder-runtime-page img {
  display: block;
  width: 100vw;
  max-width: none;
  height: auto;
}
.builder-runtime-fallback {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  color: rgba(255, 255, 255, .88);
  font-size: 28px;
  font-weight: 800;
  text-align: center;
}
.builder-runtime-nav {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 6;
  display: flex;
  gap: 8px;
}
.builder-runtime-nav button {
  min-height: 38px;
  padding: 8px 14px;
  border: 1px solid rgba(170, 212, 255, .42);
  border-radius: 8px;
  background: rgba(3, 20, 48, .74);
  color: #f4f8ff;
  box-shadow: 0 12px 28px rgba(0, 0, 0, .28);
}
.reference-home picture,
.reference-home img {
  display: block;
  width: 100vw;
  max-width: none;
  height: auto;
}
.hotspot {
  position: absolute;
  z-index: 2;
  display: block;
  min-height: 0;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 8px;
  background: transparent !important;
  box-shadow: none !important;
  appearance: none;
  -webkit-appearance: none;
  color: transparent !important;
}
.hotspot:focus-visible {
  outline: 2px solid rgba(255, 255, 255, .7);
  outline-offset: 2px;
}
.reference-home > .hotspot {
  pointer-events: none;
}
.builder-hotspot-layer {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
}
.builder-hotspot {
  position: absolute;
  display: block;
  min-height: 0;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 18px;
  background: transparent center / cover no-repeat !important;
  box-shadow: none !important;
  appearance: none;
  -webkit-appearance: none;
  color: transparent !important;
  pointer-events: auto;
  overflow: hidden;
}
.builder-hotspot:focus-visible {
  outline: 2px solid rgba(255, 255, 255, .7);
  outline-offset: 2px;
}
.section-material-hotspots {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
}
.section-builder-hotspot {
  position: absolute;
  display: block;
  min-height: 0;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 18px;
  background: transparent center / cover no-repeat !important;
  box-shadow: none !important;
  appearance: none;
  -webkit-appearance: none;
  color: transparent !important;
  pointer-events: auto;
  overflow: hidden;
}

.builder-hotspot-video,
.interactive-preview-video,
.card-current-video {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
  pointer-events: none;
}
.builder-hotspot-slideshow,
.interactive-preview-slideshow,
.card-current-slideshow,
.card-slideshow {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  border-radius: inherit;
  pointer-events: none;
}
.card-slideshow-track {
  width: calc(var(--slide-count, 1) * 200%);
  height: 100%;
  display: flex;
  animation: cardSlideshowMove var(--slide-duration, 12s) linear infinite;
  animation-play-state: paused;
}
.card-slideshow-track img {
  flex: 0 0 calc(100% / (var(--slide-count, 1) * 2));
  width: calc(100% / (var(--slide-count, 1) * 2));
  height: 100%;
  object-fit: cover;
  display: block;
}
.card-slideshow.is-single .card-slideshow-track {
  width: 100%;
  animation: none;
}
.card-slideshow.is-single .card-slideshow-track img {
  flex-basis: 100%;
  width: 100%;
}
.card-slideshow.is-auto .card-slideshow-track,
.builder-hotspot:hover .card-slideshow.is-hover .card-slideshow-track,
.section-builder-hotspot:hover .card-slideshow.is-hover .card-slideshow-track,
.interactive-preview-card:hover .card-slideshow.is-hover .card-slideshow-track,
.card-current-preview:hover .card-slideshow.is-hover .card-slideshow-track {
  animation-play-state: running;
}
@media (hover: none) {
  .card-slideshow.is-hover .card-slideshow-track {
    animation-play-state: running;
  }
}
@keyframes cardSlideshowMove {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.section-builder-hotspot:focus-visible {
  outline: 2px solid rgba(255, 255, 255, .7);
  outline-offset: 2px;
}
.text-builder-hotspot {
  padding: 8px !important;
  border: 1px solid rgba(138, 198, 255, .44) !important;
  background: rgba(4, 28, 65, .78) center / 100% 100% no-repeat !important;
  box-shadow: inset 0 0 24px rgba(43, 139, 255, .18), 0 12px 28px rgba(0, 0, 0, .28) !important;
  color: #f4f8ff !important;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.15;
  text-align: center;
  overflow: hidden;
  display: grid;
  place-items: center;
}
.hs-home { left: 20.9%; top: 1.8%; width: 7.2%; height: 5.0%; }
.hs-learning { left: 29.4%; top: 2.0%; width: 8.1%; height: 4.8%; }
.hs-tests { left: 39.3%; top: 2.0%; width: 7.1%; height: 4.8%; }
.hs-cases { left: 48.4%; top: 2.0%; width: 7.1%; height: 4.8%; }
.hs-webinars { left: 57.1%; top: 2.0%; width: 8.5%; height: 4.8%; }
.hs-news { left: 67.2%; top: 2.0%; width: 12.4%; height: 4.8%; }
.hs-install { left: 82.8%; top: 2.4%; width: 3.1%; height: 3.6%; }
.hs-start { left: 4.8%; top: 33.6%; width: 13.3%; height: 4.2%; }
.hs-card-1 { left: 4.1%; top: 50.5%; width: 12.4%; height: 20.3%; }
.hs-card-2 { left: 17.2%; top: 50.5%; width: 12.9%; height: 20.3%; }
.hs-card-3 { left: 30.8%; top: 50.5%; width: 12.4%; height: 20.3%; }
.hs-card-4 { left: 43.7%; top: 50.5%; width: 9.1%; height: 20.3%; }
.hs-card-5 { left: 4.1%; top: 72.1%; width: 15.3%; height: 19.2%; }
.hs-card-6 { left: 20.1%; top: 72.1%; width: 14.0%; height: 19.2%; }
.hs-card-7 { left: 34.8%; top: 72.1%; width: 17.9%; height: 19.2%; }
.hs-request { left: 76.2%; top: 66.0%; width: 9.7%; height: 4.0%; }
.hs-neg-back { left: 2.0%; top: 2.0%; width: 8.0%; height: 5.0%; }
.hs-neg-courses { left: 1.6%; top: 9.2%; width: 8.8%; height: 4.4%; }
.material-hotspot-1 { left: 2.7%; top: 45.8%; width: 30.4%; height: 16.6%; }
.material-hotspot-2 { left: 34.0%; top: 45.8%; width: 30.4%; height: 16.6%; }
.material-hotspot-3 { left: 65.3%; top: 45.8%; width: 30.4%; height: 16.6%; }
.material-hotspot-4 { left: 2.7%; top: 63.8%; width: 30.4%; height: 14.0%; }
.material-hotspot-5 { left: 34.0%; top: 63.8%; width: 30.4%; height: 14.0%; }
.material-hotspot-6 { left: 65.3%; top: 63.8%; width: 30.4%; height: 14.0%; }
.material-hotspot-7 { left: 2.7%; top: 79.3%; width: 30.4%; height: 14.0%; }
.material-hotspot-8 { left: 34.0%; top: 79.3%; width: 30.4%; height: 14.0%; }
.material-hotspot-9 { left: 65.3%; top: 79.3%; width: 30.4%; height: 14.0%; }
.dynamic-panel-image {
  position: absolute;
  z-index: 1;
  display: none;
  border-radius: 8px;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  pointer-events: none;
}
.dynamic-panel-image.is-visible { display: block; }
.dynamic-webinars { left: 54.95%; top: 44.53%; width: 19.53%; height: 26.95%; }
.dynamic-training { left: 75.20%; top: 44.53%; width: 21.75%; height: 26.95%; }
.topbar {
  min-height: 76px;
  display: grid;
  grid-template-columns: 318px minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  position: relative;
  z-index: 4;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 15px;
}
.brand strong {
  font-size: 42px;
  line-height: .92;
  letter-spacing: 0;
}
.brand span {
  border-left: 1px solid rgba(255, 255, 255, .5);
  padding-left: 15px;
  text-transform: uppercase;
  font-size: 16px;
  line-height: 1.12;
}
.nav-tabs {
  min-width: 0;
  display: flex;
  justify-content: center;
  gap: 18px;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-tabs a {
  min-width: 128px;
  min-height: 64px;
  padding: 10px 16px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  white-space: nowrap;
  color: #edf5ff;
}
.nav-tabs a.active {
  border-color: rgba(73, 157, 255, .48);
  background: rgba(17, 90, 185, .34);
  box-shadow: inset 0 0 28px rgba(37, 137, 255, .22);
}
.nav-icon { font-size: 25px; line-height: 1; opacity: .9; }
.top-actions { display: flex; gap: 12px; align-items: center; }

.hero {
  min-height: 398px;
  position: relative;
  border-radius: 0;
  overflow: hidden;
  margin-top: -6px;
  background:
    linear-gradient(90deg, rgba(2, 10, 24, .9) 0%, rgba(3, 23, 54, .48) 30%, rgba(2, 10, 24, .08) 72%),
    linear-gradient(180deg, rgba(2, 10, 24, 0) 62%, #020b1d 100%),
    url("/references/main-desktop.png") center top / cover no-repeat;
}
.hero-copy {
  position: relative;
  z-index: 1;
  width: 520px;
  padding: 58px 0 0 34px;
}
.hero h1 {
  margin: 0 0 18px;
  font-size: 44px;
  line-height: 1.18;
  font-weight: 800;
}
.hero p {
  margin: 0 0 22px;
  max-width: 390px;
  font-size: 19px;
  line-height: 1.34;
  color: #edf4ff;
}

.trust-row {
  margin-top: -2px;
  padding: 0 34px 18px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}
.trust-row div {
  min-height: 62px;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 10px 12px;
  color: #e7f1ff;
}
.trust-icon {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 22px;
  color: #eef7ff;
}

.search-panel {
  margin: 0 0 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(3, 22, 52, .82);
}
.search-panel.is-collapsed {
  height: 0;
  overflow: hidden;
  padding: 0;
  border: 0;
  margin: 0;
}
.search-panel label { display: block; margin-bottom: 8px; font-weight: 700; }
.search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}
.search-results { display: grid; gap: 8px; margin-top: 12px; }
.search-item {
  width: 100%;
  text-align: left;
  display: block;
  border: 1px solid rgba(120, 184, 255, .18);
  border-radius: var(--radius);
  padding: 12px;
  background: rgba(255, 255, 255, .04);
  box-shadow: none;
}
.search-item small { color: var(--muted); }

.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(360px, .47fr) minmax(390px, .55fr);
  gap: 16px;
}
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(7, 35, 78, .82), rgba(3, 16, 39, .78));
  box-shadow: inset 0 0 48px rgba(28, 122, 255, .1);
  padding: 18px;
}
.programs { grid-row: span 2; }
.tests-panel { display: none; }
.news { grid-column: 2 / 4; }
.section-head {
  min-height: 36px;
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 16px;
}
.section-head h2, .panel h2 {
  margin: 0 0 4px;
  font-size: 22px;
  line-height: 1.1;
}
.section-head p, .request-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.35;
}
.section-head a {
  color: #dceaff;
  font-size: 14px;
  white-space: nowrap;
}

.program-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.program-card {
  min-height: 250px;
  border: 1px solid rgba(103, 184, 255, .32);
  border-radius: var(--radius);
  overflow: hidden;
  padding: 0;
  text-align: left;
  display: grid;
  grid-template-rows: 1fr auto;
  align-items: end;
  background:
    linear-gradient(180deg, rgba(14, 111, 214, .08), rgba(1, 8, 20, .9)),
    radial-gradient(circle at 50% 18%, rgba(31, 196, 255, .34), transparent 36%),
    linear-gradient(135deg, #073b87, #021025);
  box-shadow: inset 0 0 46px rgba(24, 125, 255, .16);
}
.program-card:nth-child(5),
.program-card:nth-child(6) { grid-column: span 2; }
.program-card .card-visual {
  min-height: 115px;
  display: grid;
  place-items: center;
  font-size: 54px;
  color: #82d7ff;
  text-shadow: 0 0 24px rgba(0, 136, 255, .9);
}
.program-card .card-body {
  min-height: 112px;
  padding: 0 16px 14px;
  display: grid;
  gap: 8px;
}
.program-card h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.08;
}
.program-card p {
  margin: 0;
  color: #dceaff;
  line-height: 1.32;
  font-size: 14px;
}
.card-arrow {
  justify-self: end;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, .1);
  font-size: 23px;
}
.program-card[data-accent="cyan"] { background-color: rgba(0, 135, 151, .35); }
.program-card[data-accent="violet"] { background-color: rgba(67, 61, 177, .36); }
.program-card[data-accent="gold"] { background-color: rgba(128, 78, 13, .34); }
.program-card[data-accent="green"] { background-color: rgba(4, 103, 76, .34); }

.material-list, .test-list, .event-list, .news-list, .admin-materials {
  display: grid;
  gap: 10px;
}
.event-item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 0 0 12px;
  border-bottom: 1px solid rgba(123, 190, 255, .14);
}
.event-item:last-child { border-bottom: 0; padding-bottom: 0; }
.event-date {
  height: 60px;
  border: 1px solid rgba(141, 196, 255, .25);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  line-height: 1;
}
.event-date strong { font-size: 28px; }
.event-date small { color: var(--muted); font-size: 12px; }
.event-copy strong { font-size: 14px; }
.event-copy p { margin: 3px 0 0; color: var(--muted); font-size: 12px; line-height: 1.25; }
.event-actions { margin-top: 8px; display: flex; gap: 8px; flex-wrap: wrap; }

.request-panel {
  min-height: 318px;
  display: grid;
  align-content: start;
  background:
    linear-gradient(90deg, rgba(7, 35, 76, .96), rgba(4, 20, 45, .66)),
    radial-gradient(circle at 75% 70%, rgba(31, 142, 255, .26), transparent 40%),
    linear-gradient(135deg, #08295c, #021025);
}
.request-icons {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 22px 0 28px;
}
.request-icons span {
  display: grid;
  place-items: center;
  gap: 8px;
  text-align: center;
  font-size: 28px;
}
.request-icons small {
  color: #dbeaff;
  font-size: 12px;
  line-height: 1.2;
}
.request-panel .primary-btn { justify-self: start; min-width: 175px; }

.news-list { grid-template-columns: 1fr; }
.news-item {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  min-height: 70px;
}
.news-thumb {
  height: 64px;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(12, 125, 255, .8), rgba(3, 24, 55, .7)),
    url("/references/main-desktop.png") center / cover no-repeat;
}
.news-item small { color: var(--muted); }
.news-item strong { display: block; margin-top: 4px; line-height: 1.25; }

.material-item, .test-item, .admin-item {
  border: 1px solid rgba(124, 186, 255, .16);
  border-radius: var(--radius);
  padding: 12px;
  background: rgba(255, 255, 255, .04);
}
.replace-material-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  margin-top: 10px;
}
.material-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}
.material-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: end;
}
.small-btn {
  min-height: 34px;
  padding: 8px 12px;
  border-radius: var(--radius);
}
.danger-btn {
  border-color: rgba(255, 102, 102, .56);
  background: rgba(130, 12, 28, .42);
  color: #ffe1e1;
}

.section-dialog {
  width: min(980px, calc(100% - 30px));
  max-height: min(820px, calc(100vh - 30px));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel2);
  color: var(--ink);
  padding: 22px;
}
.section-dialog::backdrop { background: rgba(0, 0, 0, .64); }
#testDialog {
  width: min(1120px, calc(100vw - 84px));
  max-height: min(880px, calc(100vh - 64px));
  padding: 0;
  border: 0;
  overflow: auto;
  background:
    radial-gradient(circle at 34% 16%, rgba(18, 130, 255, .12), transparent 36%),
    transparent;
  box-shadow: none;
}
#testDialog::backdrop {
  background:
    radial-gradient(circle at 50% 50%, rgba(20, 98, 180, .2), transparent 38%),
    radial-gradient(circle at 18% 82%, rgba(28, 116, 214, .14), transparent 32%),
    linear-gradient(145deg, #071a34 0%, #020812 76%);
}
#testDialog #testForm {
  margin: 0;
}
#testDialog .close-btn {
  position: absolute;
  z-index: 3;
  top: 34px;
  right: 44px;
  min-width: 92px;
  height: 42px;
  min-height: 42px;
  margin: 0;
  padding: 0 18px;
  border: 1px solid rgba(170, 205, 255, .52);
  border-radius: 999px;
  background: rgba(8, 25, 54, .72);
  color: #e9f3ff;
  font-size: 14px;
  font-weight: 700;
  box-shadow: none;
}
.close-btn {
  position: sticky;
  top: 0;
  margin-left: auto;
  min-width: 88px;
  height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 14px;
}
.question { margin: 18px 0; }
.question label {
  display: block;
  margin: 8px 0;
  padding: 10px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
}
.test-player {
  min-height: min(690px, calc(100vh - 92px));
  display: grid;
  align-content: center;
  gap: 28px;
  padding: clamp(46px, 5vw, 72px);
  border: 1px solid rgba(164, 199, 242, .38);
  border-radius: 24px;
  background:
    radial-gradient(circle at 18% 12%, rgba(48, 129, 232, .16), transparent 36%),
    linear-gradient(146deg, rgba(10, 29, 58, .96), rgba(3, 12, 28, .98) 62%, rgba(1, 8, 20, .98));
  background-position: center;
  background-size: cover;
  box-shadow:
    0 34px 100px rgba(0, 0, 0, .42),
    0 0 70px rgba(20, 110, 230, .12),
    inset 0 1px 0 rgba(255, 255, 255, .06);
}
.test-player h2 { margin: 0; }
.test-card-kicker {
  color: rgba(169, 202, 242, .78);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}
.test-progress-row {
  display: grid;
  grid-template-columns: auto minmax(120px, 1fr);
  gap: 12px;
  align-items: center;
  color: var(--muted);
}
.test-progress-row progress {
  width: 100%;
  height: 12px;
  accent-color: #1282ff;
}
.test-question-footer {
  align-self: end;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  margin-top: 8px;
}
.test-question-counter {
  justify-self: start;
  min-width: 52px;
  padding: 0;
  border-radius: 999px;
  background: transparent;
  color: rgba(201, 225, 255, .82);
  font-size: 18px;
  font-weight: 800;
}
.test-answer-indicator {
  align-self: end;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(28px, 1fr));
  gap: 12px;
  width: 100%;
  margin-top: 0;
}
.test-answer-indicator span {
  min-width: 28px;
  height: 8px;
  border: 1px solid rgba(148, 180, 218, .3);
  border-radius: 999px;
  background: rgba(91, 119, 154, .22);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .03);
}
.test-answer-indicator span.is-correct {
  border-color: rgba(196, 255, 80, .95);
  background: linear-gradient(90deg, #d4ff63, #8eff1f);
  box-shadow: 0 0 16px rgba(174, 255, 47, .72), inset 0 0 0 1px rgba(255, 255, 255, .22);
}
.test-answer-indicator span.is-wrong {
  border-color: rgba(255, 95, 110, .95);
  background: linear-gradient(90deg, #ff6b7a, #ff2e4b);
  box-shadow: 0 0 14px rgba(255, 45, 72, .52), inset 0 0 0 1px rgba(255, 255, 255, .12);
}
.test-recommendations {
  display: grid;
  gap: 10px;
  margin-top: 2px;
  padding: 14px;
  border: 1px solid rgba(255, 205, 102, .28);
  border-radius: 8px;
  background: rgba(255, 183, 77, .08);
}
.test-recommendations h3 {
  margin: 0;
  font-size: 16px;
}
.test-recommendation {
  display: grid;
  gap: 4px;
}
.test-recommendation strong {
  color: #ffd68a;
}
.test-recommendation p {
  margin: 0;
  color: #f4dfbd;
  line-height: 1.35;
}
.test-current-recommendation {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px 18px;
  max-width: 900px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 204, 117, .28);
  border-radius: 16px;
  background: rgba(255, 187, 92, .08);
}
.test-current-recommendation strong {
  grid-column: 1 / -1;
  color: #ffd68a;
  font-size: 17px;
}
.test-current-recommendation p {
  margin: 0;
  color: #ffe8bf;
  font-size: clamp(16px, 1.2vw, 20px);
  line-height: 1.38;
}
.test-current-recommendation .primary-btn {
  align-self: center;
  min-width: 150px;
  min-height: 42px;
}
.test-player .question {
  margin: 0;
  padding: 0;
  border: 0;
}
.test-player .question legend {
  margin-bottom: 16px;
  font-size: 28px;
  line-height: 1.2;
  font-weight: 800;
}
.test-player .question legend.test-question-title {
  max-width: 820px;
  font-size: clamp(36px, 3vw, 44px);
  line-height: 1.15;
  letter-spacing: 0;
}
.test-question-hint {
  margin: -6px 0 14px;
  color: rgba(210, 232, 255, .86);
  font-size: 14px;
}
.answer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.answer-btn {
  min-height: 82px;
  justify-content: center;
  padding: 18px 24px;
  text-align: center;
  border-radius: 16px;
  border: 1px solid rgba(46, 133, 255, .48);
  background:
    linear-gradient(180deg, rgba(8, 37, 82, .72), rgba(4, 22, 52, .86));
  font-size: clamp(16px, 1.05vw, 18px);
  font-weight: 700;
  line-height: 1.28;
  text-shadow: 0 1px 16px rgba(220, 236, 255, .18);
  box-shadow: 0 16px 34px rgba(0, 30, 74, .18), inset 0 1px 0 rgba(255, 255, 255, .04);
  transition: transform .16s ease, border-color .16s ease, background .16s ease, box-shadow .16s ease;
}
.answer-btn.is-selected {
  border-color: rgba(110, 231, 255, .92);
  background: linear-gradient(135deg, rgba(18, 130, 255, .92), rgba(78, 60, 255, .76));
  box-shadow: 0 0 0 2px rgba(110, 231, 255, .18);
}
@media (hover: hover) {
  .answer-btn:not(:disabled):hover {
    transform: translateY(-2px);
    border-color: rgba(87, 178, 255, .92);
    background:
      linear-gradient(180deg, rgba(12, 53, 112, .88), rgba(5, 28, 68, .92));
    box-shadow: 0 20px 42px rgba(0, 75, 180, .26), 0 0 0 1px rgba(87, 178, 255, .16);
  }
}
.answer-btn:disabled {
  cursor: default;
  opacity: 1;
}
.answer-btn.is-wrong-answer {
  border-color: rgba(255, 95, 110, .92);
  background: linear-gradient(135deg, rgba(168, 42, 60, .84), rgba(68, 14, 30, .86));
  box-shadow: 0 0 22px rgba(255, 45, 72, .22);
}
.test-player.tiles .answer-btn {
  min-height: 104px;
  justify-content: center;
  text-align: center;
  font-size: clamp(18px, 1.16vw, 22px);
}
.test-player.compact .answer-grid {
  grid-template-columns: 1fr;
}
.test-player.compact .answer-btn {
  min-height: 48px;
}
.test-player.contrast .answer-btn {
  background: rgba(239, 246, 255, .95);
  color: #071221;
}
.test-player.contrast .answer-btn.is-selected {
  background: #1282ff;
  color: #fff;
}
.test-submit-row {
  display: flex;
  justify-content: flex-end;
  margin-top: 16px;
}
.test-percent {
  font-size: 88px;
  line-height: .9;
  font-weight: 900;
  color: #6ee7ff;
}
.test-result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.tests-admin-dialog {
  width: min(1180px, calc(100vw - 28px));
}
.tests-admin-grid {
  display: grid;
  grid-template-columns: minmax(280px, .86fr) minmax(420px, 1.14fr);
  gap: 16px;
  align-items: start;
}
.inline-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.tests-admin-column {
  display: grid;
  gap: 12px;
}
.test-admin-list,
.test-question-list {
  display: grid;
  gap: 10px;
}
.test-admin-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 10px;
  align-items: center;
  min-height: 58px;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid rgba(124, 186, 255, .22);
  background: rgba(4, 22, 52, .72);
  color: #eaf5ff;
  text-align: left;
  box-shadow: none;
}
.test-export-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #cfe5ff;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}
.test-export-check input {
  width: 18px;
  height: 18px;
}
.test-admin-select {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 5px 10px;
  align-items: center;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  box-shadow: none;
}
.test-admin-select:hover {
  background: transparent;
  box-shadow: none;
}
.test-admin-select small {
  grid-column: 1 / -1;
  color: var(--muted);
}
.test-admin-select code,
.test-question-editor code,
.test-admin-question-list code {
  width: max-content;
  padding: 2px 6px;
  border-radius: 5px;
  background: rgba(124, 186, 255, .14);
  color: #c7e1ff;
  font-family: Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}
.test-admin-row.is-selected {
  border-color: rgba(255, 210, 122, .8);
  background: rgba(20, 56, 108, .84);
}
.test-client-list {
  display: grid;
  gap: 8px;
}
.test-client-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: 8px;
  background: rgba(4, 22, 52, .45);
}
.test-client-row small {
  display: block;
  margin-top: 4px;
  color: rgba(210, 232, 255, .72);
}
.test-create-question-list {
  display: grid;
  gap: 10px;
}
.test-create-question {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid rgba(124, 186, 255, .2);
  border-radius: 8px;
  background: rgba(2, 15, 36, .5);
}
.test-create-question-head {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
}
.test-answer-block {
  display: grid;
  gap: 8px;
}
.test-answer-editor {
  display: grid;
  gap: 8px;
}
.test-answer-list {
  display: grid;
  gap: 7px;
}
.test-answer-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
}
.test-answer-correct {
  min-height: 34px;
  display: grid;
  place-items: center;
  margin: 0;
  padding: 0;
  border: 1px solid rgba(124, 186, 255, .28);
  border-radius: 8px;
  background: rgba(4, 22, 52, .72);
}
.test-answer-correct input {
  width: 18px;
  height: 18px;
  accent-color: #37d67a;
}
.test-question-editor {
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: 8px;
  background: rgba(2, 15, 36, .56);
}
.test-question-editor summary {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
  padding: 10px;
  cursor: pointer;
}
.test-question-editor > form {
  padding: 0 10px 10px;
}
.test-admin-preview {
  min-height: 520px;
  display: grid;
  align-content: center;
  gap: 18px;
  padding: 28px;
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: 8px;
  background: radial-gradient(circle at 35% 20%, rgba(18, 130, 255, .18), transparent 34%), rgba(2, 10, 28, .92);
  background-position: center;
  background-size: cover;
}
.test-admin-preview h3 {
  margin: 8px 0;
  font-size: 30px;
}
.test-admin-preview-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.test-admin-preview-stats span {
  display: grid;
  gap: 3px;
  padding: 12px;
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: 8px;
  background: rgba(4, 22, 52, .7);
}
.test-admin-preview-stats strong {
  font-size: 24px;
}
.test-admin-live-preview {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: 8px;
  background: rgba(4, 22, 52, .72);
}
.test-admin-live-preview > strong {
  font-size: 22px;
  line-height: 1.2;
}
.test-admin-answer-preview {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.test-admin-answer-preview span {
  min-height: 42px;
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 9px 10px;
  border: 1px solid rgba(124, 186, 255, .16);
  border-radius: 7px;
  background: rgba(1, 9, 22, .64);
  color: rgba(234, 245, 255, .9);
}
.test-admin-answer-preview span.is-correct {
  border-color: rgba(98, 255, 184, .58);
  background: rgba(15, 126, 92, .42);
  color: #eafff5;
}
.test-admin-answer-preview b {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: #62ffb8;
  color: #04251b;
  font-size: 14px;
}
.test-admin-result-preview {
  display: grid;
  gap: 5px;
  padding: 14px;
  border: 1px solid rgba(110, 231, 255, .24);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(18, 130, 255, .24), rgba(65, 54, 210, .18));
}
.test-admin-result-preview strong {
  font-size: 36px;
  color: #6ee7ff;
}
.test-admin-question-list {
  display: grid;
  gap: 8px;
}
.test-admin-question-list div {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, .05);
}
.test-admin-correct-list {
  flex-basis: 100%;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  color: #b7ffdc;
}
.test-admin-correct-list span {
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(15, 126, 92, .32);
}
.install-steps { display: grid; gap: 12px; }
.install-steps section {
  border: 1px solid rgba(124, 186, 255, .16);
  border-radius: var(--radius);
  padding: 14px;
  background: rgba(255, 255, 255, .04);
}
.install-steps h3 { margin: 0 0 8px; }
.install-steps p { margin: 0; color: var(--muted); line-height: 1.45; }

.material-overlay {
  width: 100vw;
  height: 100vh;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: #061327;
  color: var(--ink);
}
.material-overlay::backdrop { background: #020812; }
.material-overlay > .viewer-top { display: none; }
.material-overlay iframe {
  display: block;
  width: 100%;
  height: 100vh;
  border: 0;
  background: #061327;
}
.viewer-body { overflow: hidden; }
.viewer-top {
  position: relative;
  height: 64px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(2, 12, 30, .96);
}
.viewer-top .brand strong { font-size: 24px; }
.viewer-top .brand span { font-size: 12px; }
#viewerTitle {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.viewer-slide-counter {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 2;
  transform: translate(-50%, -50%);
  min-width: 58px;
  padding: 4px 10px;
  border: 1px solid rgba(180, 215, 255, .18);
  border-radius: 999px;
  background: rgba(3, 15, 34, .62);
  color: rgba(255, 255, 255, .86);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.1;
  text-align: center;
  white-space: nowrap;
}
.viewer-controls {
  display: flex;
  align-items: center;
  justify-content: end;
  gap: 8px;
  min-width: 0;
  flex-wrap: nowrap;
}
.viewer-controls button, .viewer-controls select {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 11px;
  border-radius: 8px;
  border: 1px solid rgba(124, 186, 255, .24);
  background: rgba(255, 255, 255, .06);
  color: #f4f8ff;
  line-height: 1;
  white-space: nowrap;
  box-shadow: none;
}
.viewer-controls button.viewer-media-control,
.viewer-controls button.viewer-presentation-control {
  min-width: 106px;
}
#audioOnlyToggle {
  min-width: 96px;
}
#fullscreenToggle {
  min-width: 118px;
}
.viewer-controls select {
  flex-basis: 244px;
  width: 244px;
  min-width: 244px;
  max-width: 244px;
}
#closeViewer {
  min-width: 76px;
}
.viewer-controls select option {
  background: #ffffff;
  color: #061327;
}
.viewer-mobile-action {
  display: none !important;
}
.viewer-controls button.is-active {
  background: linear-gradient(135deg, #1282ff, #0054ec);
}
.viewer-frame {
  height: calc(100vh - var(--viewer-top-height, 64px));
  height: calc(100dvh - var(--viewer-top-height, 64px));
  height: calc(var(--viewer-viewport-height, 100dvh) - var(--viewer-top-height, 64px));
  overflow: hidden;
  background: #020812;
  touch-action: manipulation;
}
.viewer-body.viewer-fullscreen-mode {
  overflow: hidden;
  background: #000;
}
.viewer-body.viewer-fullscreen-mode .viewer-top {
  display: none;
}
.viewer-body.viewer-fullscreen-mode .viewer-frame {
  height: 100vh;
  height: 100dvh;
  height: var(--viewer-viewport-height, 100dvh);
  background: #000;
}
.embedded-viewer .viewer-frame {
  height: calc(100vh - var(--viewer-top-height, 64px));
  height: calc(100dvh - var(--viewer-top-height, 64px));
  height: calc(var(--viewer-viewport-height, 100dvh) - var(--viewer-top-height, 64px));
}
.viewer-media { width: 100%; height: 100%; border: 0; background: #020812; }
.viewer-single-media-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  background: #020812;
}
.video-link-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  background: #020812;
}
.video-link-frame {
  display: block;
}
.video-link-actions,
.viewer-material-actions {
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 2;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
}
.video-link-open,
.viewer-material-continue {
  padding: 6px 10px;
  border: 1px solid rgba(128, 177, 255, 0.45);
  border-radius: 6px;
  background: rgba(2, 8, 18, 0.72);
  color: #eaf2ff;
  font-size: 12px;
  line-height: 1.2;
  text-decoration: none;
  backdrop-filter: blur(8px);
}
.viewer-material-continue {
  min-width: 132px;
  min-height: 46px;
  padding: 12px 18px;
  background: linear-gradient(135deg, #1282ff, #4e3cff);
  border-color: rgba(128, 210, 255, 0.84);
  border-radius: 10px;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(18, 130, 255, .28);
}
.video-link-open:hover,
.viewer-material-continue:hover {
  border-color: rgba(128, 177, 255, 0.8);
}

@media (max-width: 900px) and (orientation: portrait) {
  .video-link-actions,
  .viewer-material-actions {
    position: fixed;
    left: max(12px, env(safe-area-inset-left));
    right: max(12px, env(safe-area-inset-right));
    bottom: calc(max(18px, env(safe-area-inset-bottom)) + 24px);
    z-index: 40;
    justify-content: center;
    padding: 8px;
    border: 1px solid rgba(128, 177, 255, .22);
    border-radius: 14px;
    background: rgba(2, 8, 18, .78);
    box-shadow: 0 18px 46px rgba(0, 0, 0, .42);
    backdrop-filter: blur(12px);
  }
  .video-link-open,
  .viewer-material-continue {
    flex: 1 1 132px;
    display: grid;
    place-items: center;
    text-align: center;
  }
  .viewer-material-continue {
    min-height: 52px;
    font-size: 16px;
  }
}
.viewer-frame video.viewer-media { object-fit: contain; }
.viewer-frame img.viewer-media {
  display: block;
  object-fit: contain;
}
.viewer-audio-wrap {
  min-height: 100%;
  display: grid;
  place-content: center;
  gap: 18px;
  padding: 24px;
  text-align: center;
  background: radial-gradient(circle at center, #0b2448 0, #020812 68%);
}
.viewer-audio-wrap strong {
  font-size: clamp(22px, 4vw, 42px);
}
.viewer-audio-media {
  width: min(720px, 88vw);
}
.slide-viewer {
  position: relative;
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(170px, 18vw);
  grid-template-areas: "stage speaker";
  gap: 10px;
  padding: 10px;
  overflow: hidden;
  background: radial-gradient(circle at center, #071a38 0, #020812 72%);
}
.slide-stage {
  grid-area: stage;
  min-width: 0;
  min-height: 0;
  display: grid;
  place-items: center;
  padding: 0;
  overflow: hidden;
}
.slide-viewer canvas {
  display: block;
  max-width: 100%;
  max-height: 100%;
  background: transparent;
  box-shadow: 0 18px 60px rgba(0, 0, 0, .45);
  image-rendering: auto;
}
.slide-image {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  background: #fff;
  box-shadow: 0 18px 60px rgba(0, 0, 0, .45);
}
.fullscreen-slide-video {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  background: #000;
  box-shadow: 0 18px 60px rgba(0, 0, 0, .45);
}
.fullscreen-slide-video.is-hidden {
  display: none;
}
.embedded-viewer .slide-viewer canvas {
  max-height: 100%;
}
.speaker-panel {
  position: relative;
  grid-area: speaker;
  z-index: 1;
  align-self: center;
  justify-self: center;
  width: min(18vw, 240px);
  max-width: 100%;
  max-height: 100%;
  aspect-ratio: 9 / 16;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(180, 215, 255, .24);
  border-radius: 10px;
  background: rgba(3, 15, 34, .82);
  box-shadow: 0 18px 54px rgba(0, 0, 0, .42);
}
.speaker-panel video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #020812;
}
.video-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 12px;
  color: rgba(255, 255, 255, .82);
  text-align: center;
  font-size: 13px;
}
.video-sound-button {
  position: absolute;
  left: 50%;
  bottom: 18px;
  z-index: 5;
  transform: translateX(-50%);
  min-width: 148px;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid rgba(211, 232, 255, .34);
  border-radius: 999px;
  background: linear-gradient(135deg, #168dff, #0054ec);
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  line-height: 1;
  white-space: nowrap;
  box-shadow: 0 14px 36px rgba(0, 84, 236, .36);
  cursor: pointer;
}
.auto-tip {
  position: absolute;
  left: 50%;
  bottom: 18px;
  z-index: 4;
  transform: translateX(-50%);
  padding: 8px 12px;
  border: 1px solid rgba(180, 215, 255, .22);
  border-radius: 999px;
  background: rgba(3, 15, 34, .76);
  color: rgba(255, 255, 255, .9);
  font-size: 14px;
  text-align: center;
}
.auto-tip.is-hidden { display: none; }
.slide-test-gate {
  position: absolute;
  inset: 0;
  z-index: 12;
  display: grid;
  place-items: center;
  padding: clamp(14px, 3vw, 34px);
  background:
    radial-gradient(circle at 50% 18%, rgba(18, 130, 255, .2), transparent 44%),
    linear-gradient(145deg, #061327 0%, #020812 72%);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}
.slide-test-gate.has-custom-background { background-size: cover; }
.slide-test-gate.is-hidden {
  display: none;
}
.slide-test-card {
  width: min(860px, 96vw);
  display: grid;
  gap: 18px;
  padding: clamp(18px, 3.2vw, 34px);
  border: 1px solid rgba(110, 231, 255, .46);
  border-radius: 10px;
  background: linear-gradient(145deg, rgba(4, 22, 52, .96), rgba(13, 53, 92, .94));
  box-shadow: 0 24px 70px rgba(0,0,0,.42), 0 0 0 2px rgba(110, 231, 255, .1);
}
.slide-test-card h2 {
  margin: 0;
  font-size: clamp(26px, 3vw, 42px);
}
.slide-test-progress {
  justify-self: start;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(110, 231, 255, .12);
  color: #bdf6ff;
  font-size: 14px;
  font-weight: 800;
}
.slide-test-footer {
  display: grid;
  gap: 8px;
}
.slide-test-footer .slide-test-progress {
  align-self: end;
}
.slide-test-question {
  margin: 0;
  font-size: clamp(24px, 3.2vw, 40px);
  line-height: 1.16;
  font-weight: 800;
}
.slide-test-hint {
  margin: -6px 0 0;
  color: rgba(225, 242, 255, .82);
  font-size: clamp(16px, 1.7vw, 21px);
}
.slide-test-answers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.slide-test-answer {
  min-height: 74px;
  padding: 14px 16px;
  border: 1px solid rgba(180, 215, 255, .28);
  border-radius: 9px;
  background: rgba(2, 12, 30, .82);
  color: #fff;
  font-size: clamp(18px, 2vw, 26px);
  line-height: 1.2;
  text-align: left;
  cursor: pointer;
}
.slide-test-answer.is-selected {
  border-color: rgba(110, 231, 255, .95);
  background: linear-gradient(135deg, rgba(18, 130, 255, .95), rgba(68, 57, 230, .82));
  box-shadow: 0 0 0 2px rgba(110, 231, 255, .18);
}
.slide-test-submit,
.slide-test-continue,
.slide-test-restart {
  justify-self: end;
  min-height: 48px;
  padding-inline: 18px;
  font-size: 18px;
}
.slide-test-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}
.slide-test-indicator {
  justify-self: stretch;
  margin-top: 2px;
}
.slide-test-percent {
  font-size: clamp(64px, 8vw, 112px);
  line-height: .9;
  font-weight: 900;
  color: #6ee7ff;
}
.slide-viewer[data-layout="side"] {
  grid-template-columns: minmax(0, 1fr) minmax(180px, 24vw);
  grid-template-areas: "stage speaker";
}
.slide-viewer[data-layout="side"] .speaker-panel {
  grid-area: speaker;
  align-self: center;
  justify-self: center;
  width: min(22vw, 270px);
  margin: 0;
}
.slide-viewer[data-layout="side"].has-landscape-video {
  grid-template-columns: minmax(0, .58fr) minmax(360px, .42fr);
}
.slide-viewer[data-layout="side"].has-landscape-video .speaker-panel {
  align-self: center;
  justify-self: stretch;
  width: auto;
  aspect-ratio: 16 / 9;
}
.slide-viewer[data-layout="wide"] {
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "speaker";
  gap: 0;
  padding: 0;
}
.slide-viewer[data-layout="wide"] .slide-stage { display: none; }
.slide-viewer[data-layout="wide"] .speaker-panel {
  grid-area: speaker;
  align-self: stretch;
  justify-self: stretch;
  width: auto;
  height: 100%;
  aspect-ratio: auto;
  margin: 0;
  border: 0;
  border-radius: 0;
  background: #020812;
  box-shadow: none;
}
.slide-viewer[data-layout="wide"] .speaker-panel video {
  border-radius: 0;
  object-fit: contain;
}
.slide-viewer[data-layout="overlay"] {
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "stage";
}
.slide-viewer[data-layout="overlay"] .speaker-panel {
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: min(22vw, 260px);
  max-height: calc(100% - 36px);
  aspect-ratio: 9 / 16;
}
.slide-viewer[data-layout="overlay"].has-landscape-video .speaker-panel {
  width: min(42vw, 760px);
  aspect-ratio: 16 / 9;
}
.slide-viewer[data-layout="overlay"] .slide-next {
  right: calc(min(22vw, 260px) + 42px);
}
.slide-viewer[data-layout="overlay"].has-landscape-video .slide-next {
  right: calc(min(42vw, 760px) + 42px);
}
.slide-viewer[data-layout="wide"] .slide-next {
  right: 18px;
}
.slide-viewer.has-landscape-video:not(.webinar-off):not(.audio-only):not([data-layout="presentation"]) .speaker-panel,
.slide-viewer.has-portrait-video:not(.webinar-off):not(.audio-only):not([data-layout="presentation"]) .speaker-panel {
  border: 0;
  background: transparent;
  box-shadow: none;
}
.slide-viewer[data-layout="presentation"] .speaker-panel,
.slide-viewer.webinar-off .speaker-panel {
  display: none;
}
.slide-viewer[data-layout="presentation"],
.slide-viewer.webinar-off,
.slide-viewer.is-fullscreen-video-step {
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "stage";
}
.slide-viewer.is-fullscreen-video-step .speaker-panel {
  display: none;
}
.slide-viewer.audio-only .speaker-panel {
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.slide-viewer.audio-only .speaker-panel video {
  width: 1px;
  height: 1px;
}
.slide-nav {
  position: absolute;
  top: 50%;
  z-index: 3;
  width: 54px;
  height: 76px;
  border: 1px solid rgba(180, 215, 255, .24);
  border-radius: 8px;
  transform: translateY(-50%);
  background: rgba(3, 15, 34, .42);
  color: #fff;
  cursor: pointer;
}
.slide-nav::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 18px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
}
.slide-prev { left: 18px; }
.slide-next { right: calc(min(18vw, 240px) + 38px); }
.slide-fullscreen-exit {
  display: none;
  position: absolute;
  top: 22px;
  right: 22px;
  z-index: 22;
  width: 52px;
  height: 52px;
  border: 1px solid rgba(180, 215, 255, .28);
  border-radius: 50%;
  background: rgba(3, 15, 34, .58);
  color: #fff;
  font-size: 34px;
  line-height: 1;
  cursor: pointer;
}
.fullscreen-audio-toggle {
  display: none;
  position: absolute;
  left: 50%;
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 22;
  transform: translateX(-50%);
  min-width: 138px;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid rgba(180, 215, 255, .28);
  border-radius: 999px;
  background: rgba(3, 15, 34, .72);
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
}
.viewer-body.viewer-mobile-viewport .slide-viewer.is-fullscreen-active.fullscreen-audio-mode .fullscreen-audio-toggle:not(.is-hidden) {
  display: block;
}
.viewer-body.viewer-mobile-viewport .slide-viewer.is-fullscreen-active.fullscreen-audio-mode {
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "stage";
}
.viewer-body.viewer-mobile-viewport .slide-viewer.is-fullscreen-active.fullscreen-audio-mode .speaker-panel {
  display: none !important;
}
.slide-viewer[data-layout="side"] .slide-next { right: calc(min(24vw, 270px) + 38px); }
.slide-viewer[data-layout="wide"] .slide-next { right: calc(32% + 28px); }
.slide-viewer[data-layout="presentation"] .slide-next,
.slide-viewer.webinar-off .slide-next,
.slide-viewer.audio-only .slide-next {
  right: 18px;
}
.slide-viewer.is-fullscreen-active {
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  padding: 0;
  gap: 0;
  background: #000;
  cursor: default;
}
.slide-viewer.is-fullscreen-active:fullscreen {
  width: 100vw;
  height: 100vh;
  background: #000;
}
.slide-viewer.is-fullscreen-active.fullscreen-controls-visible {
  cursor: default;
}
.slide-viewer.is-fullscreen-active .slide-stage {
  padding: 0 !important;
}
.slide-viewer.is-fullscreen-active .slide-stage canvas,
.slide-viewer.is-fullscreen-active .slide-image {
  width: auto !important;
  height: auto !important;
  max-width: 100vw !important;
  max-height: 100vh !important;
  max-height: 100dvh !important;
  box-shadow: none;
}
.slide-viewer.is-fullscreen-active .fullscreen-slide-video {
  width: 100vw !important;
  height: 100vh !important;
  height: 100dvh !important;
  max-width: 100vw !important;
  max-height: 100vh !important;
  max-height: 100dvh !important;
  object-fit: contain;
  box-shadow: none;
}
.slide-viewer.is-fullscreen-active[data-layout="presentation"],
.slide-viewer.is-fullscreen-active.webinar-off,
.slide-viewer.is-fullscreen-active.audio-only {
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "stage";
}
.slide-viewer.is-fullscreen-active[data-layout="wide"] {
  grid-template-columns: minmax(0, 1fr) !important;
  grid-template-rows: minmax(0, 1fr) !important;
  grid-template-areas: "speaker" !important;
  gap: 0 !important;
  padding: 0 !important;
}
.slide-viewer.is-fullscreen-active[data-layout="wide"] .slide-stage {
  display: none !important;
}
.slide-viewer.is-fullscreen-active[data-layout="wide"] .speaker-panel {
  display: block !important;
  grid-area: speaker !important;
  align-self: stretch !important;
  justify-self: stretch !important;
  width: 100vw !important;
  height: 100vh !important;
  height: 100dvh !important;
  max-width: 100vw !important;
  max-height: 100vh !important;
  max-height: 100dvh !important;
  margin: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: #000 !important;
  box-shadow: none !important;
}
.slide-viewer.is-fullscreen-active[data-layout="wide"] .speaker-panel video {
  width: 100% !important;
  height: 100% !important;
  border-radius: 0 !important;
  background: #000 !important;
  object-fit: contain !important;
  object-position: center center !important;
}
.slide-viewer.is-fullscreen-active .slide-nav,
.slide-viewer.is-fullscreen-active .slide-fullscreen-exit,
.slide-viewer.is-fullscreen-active .fullscreen-audio-toggle {
  opacity: 0;
  pointer-events: none;
  transition: opacity .16s ease;
}
.slide-viewer.is-fullscreen-active.fullscreen-controls-visible .slide-nav,
.slide-viewer.is-fullscreen-active.fullscreen-controls-visible .slide-fullscreen-exit,
.slide-viewer.is-fullscreen-active.fullscreen-controls-visible .fullscreen-audio-toggle {
  opacity: 1;
  pointer-events: auto;
}
.slide-viewer.is-fullscreen-active .slide-fullscreen-exit {
  display: block;
}
.slide-viewer.is-fullscreen-active .slide-prev {
  left: 24px;
}
.slide-viewer.is-fullscreen-active .slide-next,
.slide-viewer.is-fullscreen-active[data-layout="side"] .slide-next,
.slide-viewer.is-fullscreen-active[data-layout="wide"] .slide-next,
.slide-viewer.is-fullscreen-active[data-layout="overlay"] .slide-next,
.slide-viewer.is-fullscreen-active[data-layout="presentation"] .slide-next,
.slide-viewer.is-fullscreen-active.webinar-off .slide-next,
.slide-viewer.is-fullscreen-active.audio-only .slide-next {
  right: 24px !important;
}
@media (min-width: 901px) {
  .slide-viewer[data-layout="overlay"] .slide-stage,
  .slide-viewer[data-layout="presentation"] .slide-stage,
  .slide-viewer.webinar-off .slide-stage {
    padding: 0 18px 116px;
  }
  .slide-viewer[data-layout="overlay"] .slide-stage canvas,
  .slide-viewer[data-layout="overlay"] .slide-image,
  .slide-viewer[data-layout="presentation"] .slide-stage canvas,
  .slide-viewer[data-layout="presentation"] .slide-image,
  .slide-viewer.webinar-off .slide-stage canvas,
  .slide-viewer.webinar-off .slide-image {
    width: auto !important;
    height: auto !important;
    max-width: 100%;
    max-height: calc(100vh - 150px);
  }
  .slide-viewer[data-layout="overlay"] .slide-next,
  .slide-viewer[data-layout="overlay"].has-landscape-video .slide-next,
  .slide-viewer[data-layout="wide"] .slide-next {
    right: 18px;
  }
  .slide-counter {
    display: none;
  }
  .slide-viewer[data-layout="side"].has-portrait-video {
    grid-template-columns: minmax(0, .70fr) minmax(280px, .30fr);
    gap: 6px;
    padding-right: 6px;
  }
  .slide-viewer[data-layout="side"].has-portrait-video .speaker-panel {
    align-self: stretch;
    justify-self: center;
    width: auto;
    height: 100%;
    aspect-ratio: 9 / 16;
  }
  .slide-viewer[data-layout="side"].has-portrait-video .slide-next {
    right: calc(30% + 16px);
  }
  .slide-viewer[data-layout="side"].has-landscape-video .slide-next {
    right: calc(42% + 18px);
  }
}
.slide-prev::before { transform: translate(-35%, -50%) rotate(-135deg); }
.slide-next::before { transform: translate(-65%, -50%) rotate(45deg); }
.slide-counter {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  min-width: 64px;
  padding: 7px 12px;
  border: 1px solid rgba(180, 215, 255, .18);
  border-radius: 999px;
  background: rgba(3, 15, 34, .62);
  color: rgba(255, 255, 255, .86);
  font-size: 14px;
  text-align: center;
}
.rotate-tip {
  display: none;
  position: absolute;
  top: 10px;
  left: 50%;
  z-index: 3;
  width: min(92vw, 420px);
  transform: translateX(-50%);
  padding: 9px 12px;
  border: 1px solid rgba(180, 215, 255, .22);
  border-radius: 8px;
  background: rgba(3, 15, 34, .78);
  color: rgba(255, 255, 255, .9);
  font-size: 13px;
  text-align: center;
}
.viewer-note { max-width: 720px; margin: 40px auto; padding: 20px; }

.admin-page {
  width: min(1480px, calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0 40px;
  display: grid;
  gap: 16px;
}
.admin-topbar {
  display: grid;
  grid-template-columns: minmax(160px, 1fr) auto auto minmax(260px, 1.1fr) auto auto auto;
  gap: 12px;
  align-items: center;
  min-height: 74px;
}
.storage-summary {
  min-width: 0;
  padding: 8px 10px;
  border: 1px solid rgba(124, 186, 255, .16);
  border-radius: 8px;
  background: rgba(255, 255, 255, .035);
  color: rgba(232, 242, 255, .82);
  font-size: 11px;
  line-height: 1.35;
}
.storage-summary strong,
.storage-summary span,
.storage-summary em {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.storage-summary strong { color: #fff; font-size: 12px; }
.storage-summary em { color: var(--muted); font-style: normal; }
.admin-panel h1 { margin: 0 0 12px; }
.admin-panel h2 { margin-top: 0; }
.admin-requests {
  display: grid;
  gap: 10px;
}
.admin-request-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 12px;
  border: 1px solid rgba(124, 186, 255, .16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .04);
}
.admin-request-item.is-done {
  opacity: .72;
}
.admin-request-item small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
}
.admin-request-item p {
  margin: 10px 0 0;
  white-space: pre-wrap;
}
.request-form {
  display: grid;
  gap: 12px;
}
.panel-image-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}
.panel-image-form {
  border: 1px solid rgba(124, 186, 255, .16);
  border-radius: var(--radius);
  padding: 14px;
  background: rgba(255, 255, 255, .04);
}
.panel-image-preview {
  min-height: 170px;
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  color: var(--muted);
  background: rgba(2, 15, 36, .72);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}
.panel-image-preview.has-image { min-height: 220px; color: transparent; }
.admin-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.admin-form label { display: grid; gap: 6px; color: var(--muted); }
.json-editor { min-height: 260px; font-family: Consolas, monospace; margin: 10px 0; }
.stats-box { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; }
.interactive-toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin: 12px 0; }
.interactive-shell { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: 16px; align-items: start; }
.interactive-tree { display: grid; gap: 10px; }
.interactive-node {
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: var(--radius);
  padding: 10px;
  background: rgba(255, 255, 255, .04);
}
.interactive-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  margin-top: 8px;
  overflow: hidden;
  border-radius: var(--radius);
  background: rgba(2, 15, 36, .9) center / cover no-repeat;
}
.interactive-mini-card {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, .48);
  border-radius: 4px;
  background: rgba(11, 116, 255, .34) center / 100% 100% no-repeat;
}
.interactive-preview {
  position: relative;
  min-height: 380px;
  overflow: hidden;
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: var(--radius);
  background: rgba(2, 15, 36, .9) center / contain no-repeat;
}
.interactive-preview-card {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, .55);
  border-radius: 18px;
  background: rgba(11, 116, 255, .24) center / cover no-repeat;
  cursor: move;
  touch-action: none;
}
.resize-handle {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: #0b74ff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .32);
  z-index: 12;
}
.resize-n,
.resize-s {
  left: 50%;
  transform: translateX(-50%);
  cursor: ns-resize;
}
.resize-e,
.resize-w {
  top: 50%;
  transform: translateY(-50%);
  cursor: ew-resize;
}
.resize-n { top: -7px; }
.resize-s { bottom: -7px; }
.resize-e { right: -7px; }
.resize-w { left: -7px; }
.resize-ne {
  top: -7px;
  right: -7px;
  cursor: nesw-resize;
}
.resize-nw {
  top: -7px;
  left: -7px;
  cursor: nwse-resize;
}
.resize-se {
  right: -7px;
  bottom: -7px;
  cursor: nwse-resize;
}
.resize-sw {
  left: -7px;
  bottom: -7px;
  cursor: nesw-resize;
}
.interactive-card-list { display: grid; gap: 8px; margin-top: 12px; }
.site-map {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto minmax(220px, 1fr);
  gap: 12px;
  align-items: center;
  margin: 12px 0 18px;
}
.site-map-wide {
  grid-template-columns: minmax(260px, .9fr) minmax(160px, auto) minmax(320px, 1.4fr);
}
.site-map-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 10px;
}
.site-map-branches {
  display: grid;
  gap: 8px;
}
.site-map-node {
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: var(--radius);
  padding: 10px;
  background: rgba(255, 255, 255, .04);
}
.site-map-placeholder .interactive-thumb {
  display: grid;
  place-items: center;
  color: var(--muted);
  text-align: center;
  padding: 10px;
}
.site-map-arrow, .tree-arrow {
  color: #7fc0ff;
  font-size: 28px;
  text-align: center;
}
.slide-video-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.slide-video-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  padding: 7px 9px;
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: 999px;
  background: rgba(255, 255, 255, .06);
  font-size: 13px;
}
.slide-video-chip button {
  min-height: 0;
  width: 22px;
  height: 22px;
  padding: 0;
  border-radius: 999px;
}
.slide-video-source-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  padding: 5px;
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: 8px;
  background: rgba(2, 14, 34, .72);
}
.slide-video-source-tabs label {
  min-height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 0;
  padding: 7px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, .04);
  font-size: 13px;
  cursor: pointer;
}
.slide-video-source-tabs label:has(input:checked) {
  background: linear-gradient(135deg, rgba(0, 120, 255, .86), rgba(30, 210, 255, .72));
  color: #fff;
}
.slide-video-storage-panel {
  display: grid;
  gap: 8px;
}
.slide-video-storage-search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 6px;
}
.slide-video-storage-browser {
  display: grid;
  gap: 8px;
  min-height: 140px;
  max-height: 520px;
  overflow: auto;
  padding: 8px;
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: 8px;
  background: rgba(1, 12, 30, .5);
}
.slide-video-storage-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: #b8d7ff;
  font-size: 12px;
}
.slide-video-storage-toolbar div {
  display: inline-flex;
  gap: 6px;
}
.slide-video-storage-results {
  display: grid;
  gap: 6px;
}
.slide-video-storage-result {
  width: 100%;
  display: grid;
  gap: 3px;
  min-height: 0;
  padding: 8px;
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: 7px;
  background: rgba(255, 255, 255, .05);
  color: #eaf5ff;
  text-align: left;
  cursor: pointer;
}
.slide-video-storage-result:hover,
.slide-video-storage-result.is-active {
  border-color: rgba(46, 211, 255, .7);
  background: rgba(16, 126, 255, .18);
}
.slide-video-storage-result strong,
.slide-video-storage-result small,
.slide-video-storage-result span,
.slide-video-storage-preview strong,
.slide-video-storage-preview small {
  overflow-wrap: anywhere;
}
.slide-video-storage-result small,
.slide-video-storage-result span,
.slide-video-storage-preview small,
.slide-video-storage-preview span {
  color: var(--muted);
  font-size: 12px;
}
.slide-video-storage-preview {
  display: grid;
  gap: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(124, 186, 255, .18);
}
.slide-video-storage-preview.is-empty {
  min-height: 70px;
  place-items: center;
  color: var(--muted);
  text-align: center;
}
.slide-video-storage-preview div {
  display: grid;
  gap: 3px;
}
.slide-video-storage-preview video,
.slide-video-storage-preview audio {
  width: 100%;
  max-height: 220px;
  border-radius: 8px;
  background: #000;
}
.slide-video-upload-progress {
  width: 100%;
  height: 10px;
  accent-color: #2ed3ff;
}
.slide-video-upload-status,
.slide-video-upload-notice {
  display: block;
  color: #b8d7ff;
}
.slide-video-upload-status.is-error {
  color: #ff9b9b;
}
.slide-video-upload-status.is-done,
.slide-video-upload-notice {
  color: #8fffd2;
}
.slide-video-upload-notice {
  padding: 8px 10px;
  border: 1px solid rgba(143, 255, 210, .28);
  border-radius: 8px;
  background: rgba(14, 141, 96, .12);
  font-size: 13px;
}
.builder-panel {
  padding: 12px;
}
.admin-page {
  width: 100%;
  min-height: 100vh;
}
.admin-page .panel {
  width: calc(100% - 24px);
  max-width: none;
  margin-left: 12px;
  margin-right: 12px;
}
.builder-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: start;
  margin-bottom: 14px;
}
.builder-head h1 { margin: 0 0 6px; }
.builder-left-tools {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.builder-view-tabs {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px;
  border: 1px solid rgba(124, 186, 255, .2);
  border-radius: 8px;
  background: rgba(2, 14, 34, .72);
}
.builder-view-tab {
  min-height: 38px;
  padding: 8px 14px;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  box-shadow: none;
}
.builder-view-tab.is-active {
  background: linear-gradient(135deg, #1282ff, #0054ec);
  color: #fff;
  border-color: rgba(127, 208, 255, .52);
}
.batch-upload-button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid rgba(127, 208, 255, .52);
  background: linear-gradient(135deg, rgba(18, 130, 255, .95), rgba(0, 84, 236, .95));
  color: #fff;
  box-shadow: 0 12px 28px rgba(0, 82, 220, .28);
}
.batch-upload-button span {
  font-size: 28px;
  line-height: 1;
  font-weight: 900;
}
.batch-upload-button small {
  max-width: 112px;
  font-size: 11px;
  line-height: 1.08;
  font-weight: 800;
  text-align: left;
}
.storage-tool-button {
  min-height: 42px;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid rgba(124, 186, 255, .28);
  background: rgba(8, 34, 77, .82);
  color: #eaf5ff;
  font-weight: 800;
  box-shadow: none;
}
.storage-tool-button:hover {
  border-color: rgba(127, 208, 255, .52);
  background: rgba(18, 64, 126, .88);
}
.batch-upload-button:disabled {
  opacity: .65;
  cursor: wait;
}
.builder-actions {
  display: flex;
  gap: 10px;
  align-items: end;
  flex-wrap: wrap;
  justify-content: end;
}
.builder-actions label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  min-width: 250px;
}
.builder-workspace {
  display: grid;
  grid-template-columns: minmax(520px, 1.2fr) minmax(360px, .8fr) 360px;
  gap: 14px;
  align-items: start;
}
.builder-tree,
.builder-side {
  display: grid;
  gap: 12px;
}
.builder-tree {
  min-height: 78vh;
  max-height: 82vh;
  overflow: hidden;
  padding-right: 4px;
}
.builder-tree h2,
.builder-editor h2 {
  margin: 0 0 10px;
}
.element-title-id {
  display: inline-block;
  margin-left: 4px;
  padding: 2px 6px;
  border-radius: 5px;
  background: rgba(124, 186, 255, .14);
  color: #c7e1ff;
  font-family: Consolas, "Liberation Mono", monospace;
  font-size: .74em;
  font-weight: 800;
  line-height: 1.1;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
}
.element-title-id:hover {
  background: rgba(124, 186, 255, .26);
  color: #fff;
}
.visual-tree-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 13px;
}
.visual-tree {
  min-width: 760px;
  display: grid;
  gap: 18px;
  padding: 4px 4px 18px;
}
.map-toolbar {
  height: 38px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  margin-bottom: 8px;
}
.site-map-viewport {
  position: relative;
  height: calc(82vh - 58px);
  min-height: 620px;
  overflow: hidden;
  border: 1px solid rgba(124, 186, 255, .2);
  border-radius: var(--radius);
  background:
    linear-gradient(rgba(124, 186, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 186, 255, .06) 1px, transparent 1px),
    rgba(1, 10, 25, .92);
  background-size: 36px 36px;
  cursor: grab;
  touch-action: none;
  overscroll-behavior: contain;
}
.site-map-viewport:active {
  cursor: grabbing;
}
.explorer-shell {
  height: calc(82vh - 10px);
  min-height: 660px;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid rgba(124, 186, 255, .2);
  border-radius: var(--radius);
  background: rgba(3, 14, 31, .94);
}
.explorer-toolbar {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 10px;
  border-bottom: 1px solid rgba(124, 186, 255, .16);
  background: rgba(255, 255, 255, .04);
}
.explorer-title {
  font-weight: 900;
}
.explorer-path {
  min-height: 32px;
  display: flex;
  align-items: center;
  padding: 6px 10px;
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: 6px;
  background: rgba(0, 0, 0, .18);
  color: #dcebff;
  font-size: 13px;
}
.explorer-head,
.explorer-row {
  display: grid;
  grid-template-columns: minmax(240px, 1.4fr) minmax(150px, .75fr) 126px minmax(130px, .8fr) 86px;
  gap: 8px;
  align-items: center;
  min-width: 860px;
}
.explorer-head {
  padding: 8px 10px;
  border-bottom: 1px solid rgba(124, 186, 255, .16);
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}
.explorer-list {
  overflow: auto;
  padding: 6px;
}
.explorer-row {
  width: 100%;
  min-height: 34px;
  padding: 6px 8px;
  border: 1px solid transparent;
  border-radius: 5px;
  color: #eef6ff;
  cursor: default;
  user-select: none;
}
.explorer-row:hover {
  background: rgba(18, 130, 255, .12);
  border-color: rgba(124, 186, 255, .14);
}
.explorer-row.is-selected {
  background: rgba(18, 130, 255, .28);
  border-color: rgba(127, 208, 255, .5);
}
.explorer-name {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  padding-left: var(--indent, 0);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.explorer-toggle,
.explorer-toggle-spacer {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
}
.explorer-toggle {
  min-height: 0;
  padding: 0;
  border-radius: 4px;
  border: 1px solid rgba(124, 186, 255, .34);
  background: rgba(255, 255, 255, .06);
  color: #eaf5ff;
  font-size: 16px;
  line-height: 1;
  box-shadow: none;
}
.explorer-toggle:hover {
  background: rgba(18, 130, 255, .24);
}
.explorer-icon {
  width: 16px;
  height: 14px;
  flex: 0 0 auto;
  border-radius: 3px;
  background: linear-gradient(180deg, #78c7ff, #116bcb);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.28);
}
.explorer-background,
.explorer-card-file,
.explorer-cover-file {
  background: linear-gradient(135deg, #78e1ff, #0b5eca);
}
.explorer-card {
  background: linear-gradient(135deg, #2a9cff, #15428d);
}
.explorer-material,
.explorer-material-file {
  background: linear-gradient(135deg, #1ab49b, #09605d);
}
.explorer-video,
.explorer-video-file {
  background: linear-gradient(135deg, #26d0ce, #1557ff);
}
.explorer-link {
  background: linear-gradient(135deg, #ff6868, #a81928);
}
.explorer-type,
.explorer-id,
.explorer-file,
.explorer-muted {
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: var(--muted);
  font-size: 12px;
}
.explorer-id {
  font-family: Consolas, "Liberation Mono", monospace;
  color: #b8d7ff;
}
.explorer-id,
.explorer-id-text {
  user-select: text;
  cursor: text;
}
.explorer-id-text {
  display: inline-block;
  padding: 2px 4px;
  border-radius: 4px;
}
.explorer-id-text:hover {
  background: rgba(124, 186, 255, .12);
  color: #eef6ff;
}
.explorer-actions {
  display: flex;
  justify-content: end;
}
.explorer-download {
  min-height: 26px;
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border: 1px solid rgba(124, 186, 255, .28);
  border-radius: 5px;
  background: rgba(255, 255, 255, .06);
  color: #eaf5ff;
  text-decoration: none;
  font-size: 12px;
}
.storage-file-actions {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  flex-wrap: wrap;
}
.storage-delete {
  border-color: rgba(255, 107, 107, .42);
  color: #ffd6d6;
}
.storage-delete:not(:disabled):hover {
  background: rgba(255, 107, 107, .16);
}
.storage-delete:disabled {
  opacity: .48;
  cursor: not-allowed;
}
.batch-upload-dialog {
  width: min(920px, calc(100vw - 28px));
}
.storage-dialog {
  width: min(1180px, calc(100vw - 28px));
}
.batch-progress {
  display: grid;
  gap: 10px;
  margin: 16px 0;
}
.batch-progress-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: #dcebff;
}
.batch-progress progress {
  width: 100%;
  height: 14px;
  accent-color: #1282ff;
}
.batch-upload-status {
  color: var(--muted);
  font-size: 13px;
}
.batch-results {
  display: grid;
  gap: 12px;
  max-height: 48vh;
  overflow: auto;
}
.batch-results h3 {
  margin: 8px 0 0;
}
.batch-result-list {
  display: grid;
  gap: 8px;
}
.batch-result-item {
  display: grid;
  grid-template-columns: 96px minmax(180px, 1fr) 130px;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: 8px;
  background: rgba(255, 255, 255, .05);
}
.batch-result-item small {
  grid-column: 2 / -1;
  color: var(--muted);
}
.batch-result-item.is-error {
  grid-template-columns: 1fr;
  border-color: rgba(255, 107, 107, .38);
}
.batch-result-id {
  user-select: text;
  color: #b8d7ff;
  cursor: text;
}
.maintenance-preview {
  min-height: 120px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: 8px;
  background: rgba(0, 0, 0, .18);
}
.maintenance-preview img {
  width: 100%;
  max-height: 280px;
  object-fit: contain;
}
.storage-search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  margin: 12px 0 16px;
}
.storage-total {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  padding: 10px 12px;
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: 8px;
  background: rgba(255, 255, 255, .05);
}
.storage-dialog-body {
  max-height: 62vh;
  overflow: auto;
  display: grid;
  gap: 10px;
}
.storage-folder {
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: 8px;
  background: rgba(255, 255, 255, .04);
}
.storage-folder summary {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 12px;
  cursor: pointer;
  font-weight: 800;
}
.storage-folder summary small {
  color: var(--muted);
  font-weight: 600;
}
.storage-file-list {
  display: grid;
  gap: 8px;
  padding: 0 10px 10px;
}
.storage-file-row {
  display: grid;
  grid-template-columns: minmax(190px, 1.1fr) minmax(170px, .8fr) minmax(190px, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 9px;
  border-radius: 7px;
  background: rgba(1, 12, 30, .58);
}
.storage-file-row strong,
.storage-file-row small,
.storage-file-title {
  overflow-wrap: anywhere;
}
.storage-file-row small,
.storage-file-title {
  color: var(--muted);
  font-size: 12px;
}
.storage-file-meta {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
  color: #dcebff;
  font-size: 12px;
}
.storage-file-ids {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 6px;
}
.storage-file-ids > span {
  color: #6ee7ff;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .02em;
}
.storage-file-ids code {
  padding: 2px 7px;
  border: 1px solid rgba(110, 231, 255, .35);
  border-radius: 5px;
  background: rgba(14, 116, 144, .2);
  color: #e4fbff;
  font-family: Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
  user-select: text;
}
.storage-file-ids.is-empty small {
  color: rgba(199, 225, 255, .62);
}
.storage-file-meta code {
  user-select: text;
  color: #b8d7ff;
}
.site-map-canvas {
  position: absolute;
  left: 0;
  top: 0;
  transform-origin: 0 0;
  touch-action: none;
}
.site-map-lines {
  position: absolute;
  inset: 0;
  overflow: visible;
  pointer-events: auto;
}
.site-map-lines marker path {
  fill: #ff3b3b;
}
.map-link {
  fill: none;
  stroke: #ff3b3b;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
  filter: drop-shadow(0 0 4px rgba(255, 59, 59, .28));
}
.map-link-bus {
  stroke-width: 4.2;
  opacity: .92;
}
.map-link-drop {
  stroke-width: 2.4;
}
.map-link.is-selected {
  stroke-width: 4;
  stroke: #ff6868;
}
.map-link.is-blocked {
  stroke-dasharray: 12 10;
  opacity: .55;
}
.map-link-hit {
  fill: none;
  stroke: rgba(255, 59, 59, .01);
  stroke-width: 28;
  pointer-events: stroke;
  cursor: pointer;
}
.map-node {
  position: absolute;
  display: grid;
  gap: 5px;
  align-content: start;
  padding: 9px;
  border: 1px solid rgba(124, 186, 255, .24);
  border-radius: 8px;
  background: rgba(4, 19, 45, .96);
  color: #fff;
  box-shadow: 0 18px 40px rgba(0,0,0,.25);
  touch-action: none;
  user-select: none;
}
.map-collapse-toggle {
  position: absolute;
  right: 6px;
  bottom: 6px;
  z-index: 6;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(180, 215, 255, .42);
  border-radius: 999px;
  background: rgba(2, 15, 36, .92);
  color: #fff;
  font-size: 17px;
  font-weight: 900;
  line-height: 1;
  cursor: pointer;
}
.map-node-badge {
  justify-self: start;
  border: 1px solid rgba(127, 208, 255, .34);
  border-radius: 999px;
  padding: 2px 7px;
  background: rgba(18, 130, 255, .18);
  color: #dcebff;
  font-size: 11px;
  font-weight: 800;
}
.map-node.is-collapsed-node {
  border-color: rgba(127, 208, 255, .52);
  box-shadow: 0 0 0 2px rgba(127, 208, 255, .18), 0 18px 40px rgba(0,0,0,.25);
}
.map-lock {
  position: absolute;
  right: 6px;
  top: 6px;
  z-index: 2;
  border: 1px solid rgba(255, 210, 122, .5);
  border-radius: 999px;
  padding: 2px 6px;
  background: rgba(30, 18, 4, .82);
  color: #ffd27a;
  font-size: 10px;
}
.map-node.is-selected {
  border-color: #7fd0ff;
  box-shadow: 0 0 0 2px rgba(127, 208, 255, .38), 0 18px 40px rgba(0,0,0,.25);
}
.map-node-title {
  font-weight: 800;
  font-size: 13px;
  line-height: 1.15;
}
.map-node-id {
  display: inline-block;
  margin-left: 4px;
  padding: 1px 4px;
  border-radius: 4px;
  background: rgba(124, 186, 255, .14);
  color: #b8d7ff;
  font-family: Consolas, "Liberation Mono", monospace;
  font-size: 10px;
  font-weight: 800;
  line-height: 1.1;
  user-select: none;
  cursor: pointer;
}
.map-node-id:hover {
  background: rgba(124, 186, 255, .24);
  color: #eef6ff;
}
.admin-copy-toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 10000;
  max-width: min(320px, calc(100vw - 44px));
  padding: 10px 14px;
  border: 1px solid rgba(124, 186, 255, .35);
  border-radius: 8px;
  background: rgba(7, 18, 34, .96);
  color: #eef6ff;
  box-shadow: 0 18px 44px rgba(0, 0, 0, .35);
  font-size: 13px;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity .16s ease, transform .16s ease;
}
.admin-copy-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.map-node-kind {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.2;
}
.map-video-badge {
  position: absolute;
  right: 3px;
  bottom: 3px;
  border-radius: 999px;
  padding: 1px 5px;
  background: rgba(18, 130, 255, .9);
  color: #fff;
  font-size: 9px;
  font-weight: 800;
  line-height: 1.2;
}
.map-page-thumb {
  min-height: 70px;
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  border: 1px solid rgba(124, 186, 255, .18);
  background: #061327 center / contain no-repeat;
}
.map-card-thumb {
  position: relative;
  min-height: 54px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 6px;
  border: 1px solid rgba(124, 186, 255, .16);
  background: rgba(0, 84, 236, .15) center / 100% 100% no-repeat;
  color: #dcebff;
  text-align: center;
  font-size: 11px;
  line-height: 1.2;
  padding: 4px;
}
.map-card-node {
  background: rgba(5, 28, 68, .97);
}
.map-material-node {
  background: linear-gradient(135deg, rgba(4, 54, 80, .96), rgba(4, 78, 70, .96));
  justify-content: center;
}
.map-fullscreen-video-node {
  background: linear-gradient(135deg, rgba(57, 38, 111, .97), rgba(7, 86, 116, .97));
  border-color: rgba(196, 176, 255, .34);
  box-shadow: 0 16px 36px rgba(0,0,0,.28), 0 0 0 2px rgba(128, 112, 255, .12);
}
.map-test-node {
  background: linear-gradient(135deg, rgba(255, 194, 34, .98), rgba(255, 82, 82, .96));
  border-color: rgba(255, 250, 210, .72);
  justify-content: center;
  color: #071221;
  box-shadow: 0 16px 36px rgba(0,0,0,.3), 0 0 0 3px rgba(255, 229, 138, .2);
}
.map-test-node .map-node-kind {
  color: rgba(7, 18, 33, .76);
}
.map-exit-node {
  overflow: visible;
  place-items: center;
  align-content: center;
  border: 0;
  background: transparent;
  box-shadow: none;
  text-align: center;
}
.map-exit-node::before {
  content: "";
  position: absolute;
  inset: 7px 18px;
  z-index: 0;
  transform: rotate(45deg);
  border: 1px solid rgba(255, 214, 112, .62);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(77, 45, 5, .96), rgba(11, 58, 83, .96));
  box-shadow: 0 14px 34px rgba(0,0,0,.28), 0 0 0 2px rgba(255, 214, 112, .12);
}
.map-exit-node > * {
  position: relative;
  z-index: 1;
  max-width: 96px;
}
.map-exit-node .map-node-kind {
  color: #ffe6a6;
}
.visual-branch {
  display: grid;
  gap: 12px;
  align-items: start;
}
.visual-branch.is-child {
  padding-left: 12px;
  border-left: 1px solid rgba(94, 178, 255, .26);
}
.tree-card-scroll {
  max-height: 520px;
  overflow: auto;
  display: grid;
  gap: 10px;
  padding: 10px;
  border: 1px solid rgba(124, 186, 255, .16);
  border-radius: var(--radius);
  background: rgba(2, 14, 34, .52);
}
.tree-link-row {
  display: grid;
  grid-template-columns: 170px 34px minmax(230px, 1fr);
  gap: 8px;
  align-items: center;
}
.tree-node {
  min-height: 0;
  width: 100%;
  display: grid;
  gap: 6px;
  justify-items: stretch;
  text-align: left;
  padding: 8px;
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .04);
  color: #fff;
  box-shadow: none;
}
.tree-node.is-selected {
  border-color: rgba(94, 178, 255, .82);
  box-shadow: 0 0 0 1px rgba(94, 178, 255, .28);
}
.tree-node-title {
  font-weight: 700;
  font-size: 13px;
  line-height: 1.2;
}
.tree-badges {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}
.tree-node small,
.tree-badges small {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.2;
}
.tree-page-node {
  max-width: 240px;
}
.tree-page-node.is-large {
  max-width: 320px;
}
.tree-card-node {
  min-height: 118px;
}
.tree-card-preview {
  min-height: 70px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(124, 186, 255, .16);
  border-radius: 8px;
  background: rgba(3, 18, 44, .88) center / 100% 100% no-repeat;
  color: #dcebff;
  font-size: 12px;
  line-height: 1.25;
  text-align: center;
  padding: 7px;
}
.tree-arrow {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(94, 178, 255, .24);
  border-radius: 999px;
  background: rgba(18, 130, 255, .14);
  color: #73c8ff;
  font-size: 19px;
  font-weight: 800;
}
.tree-target {
  min-width: 0;
}
.tree-leaf {
  min-height: 86px;
  align-content: center;
}
.tree-material-leaf {
  background: linear-gradient(135deg, rgba(0, 94, 236, .22), rgba(0, 203, 184, .12));
}
.tree-leaf.is-warning {
  border-color: rgba(255, 210, 122, .55);
  color: #ffd27a;
}
.tree-compact-target {
  display: grid;
  grid-template-columns: 190px auto;
  align-items: center;
  gap: 8px;
}
.builder-editor {
  min-width: 0;
  display: grid;
  gap: 10px;
}
.builder-tabs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.builder-tabs .is-active {
  background: linear-gradient(135deg, #1282ff, #0054ec);
}
.builder-mobile-bg-btn {
  margin-left: auto;
}
.builder-warning {
  min-height: 24px;
  color: #ffd27a;
  font-size: 14px;
}
.tiny-note {
  display: block;
  margin-top: 4px;
  color: rgba(189, 211, 238, .72);
  font-size: 11px;
  line-height: 1.35;
}
.builder-preview {
  position: relative;
  min-height: 560px;
  overflow: auto;
  padding: 12px;
  border: 1px solid rgba(124, 186, 255, .22);
  border-radius: var(--radius);
  background: #061327;
}
.builder-preview:has(.builder-preview-surface) {
  border-color: transparent;
  background: transparent;
}
.builder-preview-surface {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  min-height: 0;
  overflow: hidden;
  border-radius: 10px;
  background: #061327 top center / contain no-repeat;
  box-shadow:
    0 0 0 8px rgba(134, 178, 229, .38),
    0 0 0 9px rgba(255, 255, 255, .16),
    0 22px 44px rgba(0, 0, 0, .34);
  margin-bottom: 16px;
}
.builder-preview-surface::before,
.builder-preview-surface::after {
  content: "";
  position: absolute;
  left: 50%;
  z-index: 6;
  pointer-events: none;
}
.builder-preview-surface::before {
  bottom: 10px;
  width: 58px;
  height: 20px;
  transform: translateX(-50%);
  border-radius: 10px 10px 5px 5px;
  background: linear-gradient(180deg, rgba(132, 178, 229, .9), rgba(50, 86, 132, .86));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .22);
}
.builder-preview-surface::after {
  bottom: 4px;
  width: 160px;
  height: 8px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(155, 199, 245, .88), rgba(54, 88, 130, .9));
  box-shadow: 0 12px 28px rgba(0, 0, 0, .24);
}
.material-preview-stack {
  min-height: 880px;
  display: grid;
  grid-template-rows: minmax(420px, .9fr) minmax(420px, 1.1fr);
  gap: 16px;
  padding: 12px;
}
.material-preview-stack.has-slide-preview {
  min-height: 0;
  grid-template-rows: auto auto auto;
}
.admin-material-frame {
  width: 100%;
  height: 100%;
  min-height: 520px;
  border: 1px solid rgba(124, 186, 255, .24);
  border-radius: 8px;
  background: #fff;
}
.admin-material-empty {
  min-height: 520px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(124, 186, 255, .24);
  border-radius: 8px;
  background: rgba(2, 15, 36, .88);
  color: var(--muted);
}
.admin-video-frame {
  background: #000;
  object-fit: contain;
}
.admin-audio-frame {
  min-height: 120px;
  height: 120px;
  padding: 24px;
  background: rgba(2, 15, 36, .92);
}
.admin-video-preview {
  min-height: 420px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 8px;
}
.admin-video-preview .admin-material-frame {
  min-height: 380px;
}
.admin-video-preview-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}
.admin-video-preview-title strong,
.admin-video-preview-title small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.admin-video-preview small {
  color: var(--muted);
}
.admin-slide-preview-box {
  min-height: 0;
}
.admin-slide-preview-frame {
  position: relative;
  min-height: 0;
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: 8px;
  background: rgba(3, 18, 44, .92);
}
.admin-slide-preview-image {
  display: block;
  width: 100%;
  height: 100%;
  max-height: none;
  object-fit: contain;
  background: #020812;
}
.admin-slide-error {
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 10px;
  text-align: center;
  color: var(--muted);
}
.source-page-preview {
  position: relative;
  align-self: center;
  overflow: hidden;
  width: 100%;
  min-height: 0;
  aspect-ratio: 3 / 2;
  border: 1px solid rgba(124, 186, 255, .22);
  border-radius: 8px;
  background: #061327 center / 100% 100% no-repeat;
}
.source-card-highlight {
  position: absolute;
  border: 3px solid #ff3b3b;
  border-radius: 8px;
  background: rgba(255, 59, 59, .18);
  box-shadow: 0 0 0 999px rgba(0, 0, 0, .38);
}
.link-preview-stack {
  min-height: 660px;
  display: grid;
  grid-template-rows: minmax(260px, .9fr) minmax(340px, 1.1fr);
  gap: 14px;
  padding: 12px;
}
.link-preview-box {
  min-height: 300px;
  display: grid;
  grid-template-rows: auto auto minmax(220px, 1fr);
  gap: 8px;
  padding: 14px;
  border: 1px solid rgba(124, 186, 255, .24);
  border-radius: 8px;
  background: rgba(2, 15, 36, .88);
}
.link-preview-box strong {
  font-size: 16px;
}
.link-preview-box small {
  color: var(--muted);
}
.link-preview-thumb,
.link-preview-card {
  min-height: 220px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: 18px;
  background: rgba(3, 18, 44, .92) center / contain no-repeat;
  color: #dcebff;
  text-align: center;
}
.link-preview-card {
  background-size: cover;
}
.history-btn {
  min-width: 42px;
  width: 42px;
  padding: 0;
  font-size: 22px;
}
.history-group {
  display: inline-flex;
  align-items: center;
  gap: 0;
}
.history-group .history-btn {
  border-radius: 0;
}
.history-group .history-btn:first-child {
  border-radius: 8px 0 0 8px;
}
.history-group .history-btn:last-child {
  border-left: 0;
  border-radius: 0 8px 8px 0;
}
.selected-object-preview,
.selected-material-preview {
  position: relative;
  z-index: 5;
  width: min(260px, 46%);
  min-height: 110px;
  margin: 12px;
  display: grid;
  place-items: center;
  gap: 6px;
  padding: 12px;
  border: 1px solid rgba(127, 208, 255, .42);
  border-radius: 8px;
  background: rgba(2, 15, 36, .88) center / 100% 100% no-repeat;
  color: #fff;
  text-align: center;
  box-shadow: 0 18px 42px rgba(0,0,0,.34);
}
.selected-material-preview {
  justify-items: start;
  place-items: center start;
  text-align: left;
}
.builder-preview[data-variant="mobile"] { min-height: 1120px; }
.builder-preview[data-variant="mobile"] .builder-preview-surface {
  width: 100%;
  aspect-ratio: 9 / 19.5;
  margin: 18px auto 22px;
  border-radius: 34px;
  box-shadow:
    0 0 0 10px rgba(10, 18, 32, .96),
    0 0 0 12px rgba(156, 194, 232, .24),
    0 26px 60px rgba(0, 0, 0, .42);
}
.builder-preview[data-variant="mobile"] .builder-preview-surface::before {
  top: 12px;
  bottom: auto;
  width: 88px;
  height: 20px;
  border-radius: 999px;
  background: rgba(2, 9, 20, .96);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .14);
}
.builder-preview[data-variant="mobile"] .builder-preview-surface::after {
  top: auto;
  bottom: 12px;
  width: 104px;
  height: 5px;
  border-radius: 999px;
  background: rgba(238, 246, 255, .78);
  box-shadow: none;
}
.builder-preview .interactive-preview-card {
  position: absolute;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 4px !important;
  color: #fff !important;
  font-size: 12px;
  line-height: 1.15;
  text-align: center;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  border-color: rgba(255,255,255,.78);
}
.builder-preview .interactive-preview-card.is-selected {
  z-index: 8;
  outline: 3px solid #ff3b3b;
  outline-offset: 2px;
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, .24), 0 0 0 6px rgba(255, 59, 59, .18);
}
.preview-background-download,
.preview-card-download,
.selected-card-download {
  min-height: 0;
  width: max-content;
  padding: 3px 7px;
  border: 1px solid rgba(172, 214, 255, .55);
  border-radius: 6px;
  background: rgba(2, 15, 36, .78);
  color: #eaf4ff;
  font-size: 10px;
  font-weight: 800;
  line-height: 1.15;
  text-decoration: none;
  box-shadow: 0 8px 18px rgba(0, 0, 0, .22);
}
.preview-background-download:hover,
.preview-card-download:hover,
.selected-card-download:hover {
  border-color: rgba(255, 210, 122, .82);
  color: #ffd27a;
}
.preview-background-download.is-downloading,
.preview-card-download.is-downloading,
.selected-card-download.is-downloading,
.explorer-download.is-downloading {
  pointer-events: none;
  opacity: .72;
}
.preview-background-download {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 12;
}
.preview-card-download {
  position: absolute;
  top: 4px;
  right: 4px;
  z-index: 12;
}
.selected-card-under-preview {
  width: 100%;
  margin-top: 12px;
  display: grid;
  grid-template-columns: minmax(120px, 180px) minmax(0, 1fr);
  gap: 10px 14px;
  align-items: center;
  padding: 12px;
  border: 1px solid rgba(124, 186, 255, .26);
  border-radius: 8px;
  background: rgba(2, 15, 36, .9);
  color: #eef6ff;
  text-align: left;
  cursor: pointer;
}
.selected-card-under-preview:hover,
.selected-card-under-preview:focus-visible {
  border-color: rgba(83, 168, 255, .7);
  box-shadow: 0 0 0 3px rgba(83, 168, 255, .18);
  outline: none;
}
.selected-card-under-label {
  grid-column: 1 / -1;
  color: #7cc3ff;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}
.selected-card-under-visual {
  position: relative;
  min-height: 96px;
  overflow: hidden;
  display: grid;
  place-items: center;
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: 8px;
  background: rgba(4, 22, 52, .92) center / contain no-repeat;
  color: #dcebff;
  font-size: 14px;
  font-weight: 700;
  text-align: center;
}
.selected-card-under-title,
.selected-card-under-action,
.selected-card-under-hint {
  display: block;
  min-width: 0;
}
.selected-card-under-title {
  font-size: 16px;
  font-weight: 800;
}
.selected-card-under-action {
  color: var(--muted);
  font-size: 13px;
}
.selected-card-under-hint {
  color: rgba(255, 210, 122, .92);
  font-size: 12px;
}
.selected-card-download {
  justify-self: start;
}
.draft-card-selection {
  position: absolute;
  z-index: 9;
  border: 2px dashed #53a8ff;
  border-radius: 8px;
  background: rgba(16, 111, 255, .16);
  box-shadow: 0 0 0 3px rgba(16, 111, 255, .22);
  pointer-events: none;
}
.system-button-preview {
  position: absolute;
  z-index: 4;
  min-width: 76px;
  min-height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 8px;
  background: rgba(3, 15, 34, .72);
  color: #fff;
  font-size: 13px;
}
.system-back { left: 12px; top: 12px; }
.system-courses { left: 12px; top: 54px; }
.builder-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 13px;
}
.builder-meta span,
.builder-meta strong {
  border: 1px solid rgba(124, 186, 255, .16);
  border-radius: 999px;
  padding: 6px 9px;
  background: rgba(255,255,255,.04);
}
.builder-card {
  border: 1px solid rgba(124, 186, 255, .16);
  border-radius: var(--radius);
  padding: 12px;
  background: rgba(255, 255, 255, .04);
}
.builder-card h2 { margin: 0 0 10px; }
.action-list {
  display: grid;
  gap: 8px;
}
.priority-actions {
  margin-bottom: 10px;
}
.action-details {
  border: 1px solid rgba(124, 186, 255, .16);
  border-radius: 8px;
  background: rgba(255,255,255,.035);
  margin-bottom: 8px;
}
.action-details summary {
  cursor: pointer;
  padding: 10px 12px;
  font-weight: 700;
}
.action-details > form,
.action-details > .admin-form {
  padding: 0 10px 10px;
}
.single-column {
  grid-template-columns: 1fr;
  margin-bottom: 10px;
}
.card-current-preview {
  position: relative;
  overflow: hidden;
  min-height: 140px;
  margin-bottom: 10px;
  border: 1px solid rgba(124, 186, 255, .18);
  border-radius: 18px;
  display: grid;
  place-items: center;
  padding: 10px;
  background: rgba(2, 15, 36, .9) center / contain no-repeat;
  color: var(--muted);
  text-align: center;
}
.range-field {
  gap: 8px;
}
.range-field input[type="range"] {
  width: 100%;
  accent-color: #2ed3ff;
}
.range-field output {
  color: var(--muted);
  font-size: 12px;
}
.builder-side textarea {
  min-height: 120px;
}
.privacy-page {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
  line-height: 1.55;
}
.privacy-page h1 { margin-top: 0; }
.privacy-page section {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid rgba(124, 186, 255, .16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .04);
}

@media (max-width: 1360px) {
  .topbar { grid-template-columns: 260px minmax(0, 1fr) auto; gap: 12px; }
  .brand strong { font-size: 34px; }
  .brand span { font-size: 13px; }
  .nav-tabs { gap: 8px; justify-content: start; }
  .nav-tabs a { min-width: 104px; }
  .dashboard-grid { grid-template-columns: minmax(0, 1fr) minmax(330px, .48fr); }
  .request-panel { grid-column: 2; }
  .tests-panel { display: block; }
  .news { grid-column: 1 / -1; }
}

@media (max-width: 920px) {
  .app-shell { width: 100%; }
  .admin-topbar { grid-template-columns: 1fr; }
  .topbar {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }
  .top-actions { justify-content: end; }
  .nav-tabs {
    grid-column: 1 / -1;
    justify-content: start;
  }
  .dashboard-grid { grid-template-columns: 1fr; }
  .request-panel, .news { grid-column: auto; }
  .program-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .program-card:nth-child(5), .program-card:nth-child(6) { grid-column: auto; }
  .trust-row { grid-template-columns: repeat(2, minmax(0, 1fr)); padding-inline: 0; }
}

@media (max-width: 720px) {
  .app-shell { width: 100%; padding: 0; }
  #testDialog {
    width: min(100%, calc(100vw - 14px));
    max-height: calc(100dvh - 14px);
  }
  #testDialog .close-btn {
    top: 8px;
    right: 8px;
    min-width: 74px;
    height: 34px;
    min-height: 34px;
    padding: 0 10px;
    font-size: 12px;
  }
  .test-player {
    min-height: auto;
    max-height: calc(100dvh - 14px);
    align-content: start;
    gap: 10px;
    padding: 42px 14px 14px;
    border-radius: 18px;
    overflow: auto;
  }
  .test-card-kicker {
    font-size: 12px;
  }
  .test-player .question legend {
    font-size: 22px;
    margin-bottom: 10px;
  }
  .test-player .question legend.test-question-title {
    max-width: none;
    font-size: clamp(26px, 7vw, 30px);
    line-height: 1.12;
  }
  .test-question-hint {
    margin: -2px 0 8px;
    font-size: 12px;
  }
  .answer-grid,
  .test-player.tiles .answer-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .answer-btn,
  .test-player.tiles .answer-btn,
  .test-player.compact .answer-btn {
    min-height: 52px;
    padding: 10px 12px;
    border-radius: 12px;
    font-size: 15px;
    line-height: 1.18;
  }
  .test-current-recommendation {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 10px 12px;
    border-radius: 12px;
  }
  .test-current-recommendation strong {
    font-size: 14px;
  }
  .test-current-recommendation p {
    font-size: 13px;
    line-height: 1.25;
  }
  .test-current-recommendation .primary-btn {
    justify-self: stretch;
    min-height: 38px;
  }
  .test-question-footer {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 10px;
    margin-top: 2px;
  }
  .test-question-counter {
    font-size: 13px;
  }
  .test-answer-indicator {
    gap: 5px;
  }
  .test-answer-indicator span {
    min-width: 14px;
    height: 6px;
  }
  .slide-test-answers {
    grid-template-columns: 1fr;
  }
  .slide-test-answer {
    min-height: 58px;
  }
  .test-percent {
    font-size: 54px;
  }
  .test-result-actions,
  .slide-test-actions {
    display: grid;
    grid-template-columns: 1fr;
  }
  .test-result-actions .primary-btn,
  .test-result-actions .secondary-btn,
  .slide-test-actions .viewer-media-control {
    width: 100%;
  }
  .tests-admin-grid {
    grid-template-columns: 1fr;
  }
  .inline-fields,
  .test-client-row {
    grid-template-columns: 1fr;
  }
  .test-admin-preview {
    min-height: 360px;
    padding: 18px;
  }
  .test-admin-preview-stats {
    grid-template-columns: 1fr;
  }
  .test-admin-answer-preview {
    grid-template-columns: 1fr;
  }
  .test-answer-row {
    grid-template-columns: 34px minmax(0, 1fr);
  }
  .test-answer-row [data-remove-test-answer] {
    grid-column: 2;
    width: max-content;
  }
  .reference-home { width: 100%; }
  .builder-runtime-nav {
    top: 10px;
    left: 10px;
  }
  .builder-runtime-nav button {
    min-height: 34px;
    padding: 7px 10px;
    font-size: 13px;
  }
  .hs-home { left: 2.6%; top: 3.5%; width: 11.8%; height: 4.1%; }
  .hs-learning { left: 18.4%; top: 4.1%; width: 11.2%; height: 3.3%; }
  .hs-tests { left: 31.9%; top: 4.1%; width: 10.8%; height: 3.3%; }
  .hs-cases { left: 44.4%; top: 4.1%; width: 11.2%; height: 3.3%; }
  .hs-webinars { left: 57.3%; top: 4.1%; width: 12.9%; height: 3.3%; }
  .hs-news { left: 71.8%; top: 4.1%; width: 18.2%; height: 3.3%; }
  .hs-install { left: 89.2%; top: 3.8%; width: 5.0%; height: 3.6%; }
  .hs-start { left: 4.5%; top: 25.4%; width: 23.8%; height: 3.2%; }
  .hs-card-1 { left: 4.4%; top: 35.5%; width: 23.1%; height: 12.6%; }
  .hs-card-2 { left: 28.9%; top: 35.5%; width: 23.1%; height: 12.6%; }
  .hs-card-3 { left: 53.4%; top: 35.5%; width: 23.1%; height: 12.6%; }
  .hs-card-4 { left: 77.8%; top: 35.5%; width: 18.7%; height: 12.6%; }
  .hs-card-5 { left: 4.4%; top: 48.6%; width: 28.2%; height: 12.5%; }
  .hs-card-6 { left: 34.1%; top: 48.6%; width: 27.2%; height: 12.5%; }
  .hs-card-7 { left: 62.8%; top: 48.6%; width: 33.7%; height: 12.5%; }
  .hs-request { left: 47.8%; top: 72.8%; width: 22.0%; height: 2.9%; }
  .hs-neg-back { left: 3.0%; top: 1.4%; width: 12.0%; height: 4.2%; }
  .hs-neg-courses { left: 3.2%; top: 6.6%; width: 19.0%; height: 3.2%; }
  .material-hotspot-1 { left: 3.9%; top: 37.5%; width: 29.7%; height: 18.9%; }
  .material-hotspot-2 { left: 35.1%; top: 37.5%; width: 29.7%; height: 18.9%; }
  .material-hotspot-3 { left: 66.0%; top: 37.5%; width: 29.7%; height: 18.9%; }
  .material-hotspot-4 { left: 3.9%; top: 57.3%; width: 29.7%; height: 18.9%; }
  .material-hotspot-5 { left: 35.1%; top: 57.3%; width: 29.7%; height: 18.9%; }
  .material-hotspot-6 { left: 66.0%; top: 57.3%; width: 29.7%; height: 18.9%; }
  .material-hotspot-7 { left: 3.9%; top: 77.3%; width: 29.7%; height: 18.9%; }
  .material-hotspot-8 { left: 35.1%; top: 77.3%; width: 29.7%; height: 18.9%; }
  .material-hotspot-9 { left: 66.0%; top: 77.3%; width: 29.7%; height: 18.9%; }
  .dynamic-webinars { left: 2.55%; top: 68.26%; width: 42.36%; height: 17.08%; }
  .dynamic-training { left: 46.30%; top: 68.26%; width: 51.16%; height: 17.08%; }
  .topbar {
    min-height: auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
  }
  .brand strong { font-size: 34px; }
  .brand span { font-size: 13px; }
  .top-actions .icon-btn { width: 40px; min-width: 40px; }
  .nav-tabs {
    position: fixed;
    z-index: 20;
    left: 12px;
    right: 12px;
    bottom: 10px;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(3, 18, 43, .96);
    box-shadow: 0 15px 50px rgba(0,0,0,.45);
    gap: 4px;
  }
  .nav-tabs a {
    min-width: 78px;
    min-height: 64px;
    flex: 1 0 78px;
    flex-direction: column;
    gap: 5px;
    padding: 8px 4px;
    font-size: 12px;
  }
  .nav-icon { font-size: 22px; }
  .hero {
    min-height: 418px;
    margin: 0 -12px;
    background:
      linear-gradient(90deg, rgba(2, 10, 24, .78), rgba(2, 10, 24, .18)),
      linear-gradient(180deg, rgba(2, 10, 24, 0) 70%, #020b1d 100%),
      url("/references/main-mobile.png") center top / cover no-repeat;
  }
  .hero-copy {
    width: min(360px, 100%);
    padding: 48px 0 0 28px;
  }
  .hero h1 { font-size: 32px; line-height: 1.18; }
  .hero p { font-size: 16px; max-width: 300px; }
  .primary-btn { min-width: 204px; }
  .trust-row {
    margin-top: 0;
    grid-template-columns: repeat(5, minmax(136px, 1fr));
    overflow-x: auto;
    padding: 12px 0;
  }
  .trust-row div {
    border: 1px solid rgba(123, 190, 255, .14);
    border-radius: var(--radius);
    background: rgba(4, 22, 51, .62);
  }
  .program-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .program-card { min-height: 255px; }
  .program-card .card-visual { min-height: 110px; }
  .program-card h3 { font-size: 18px; }
  .program-card p { font-size: 13px; }
  .webinar-panel, .request-panel { min-height: 0; }
  .request-icons { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; }
  .request-icons small { font-size: 10px; }
  .news-list {
    grid-template-columns: repeat(3, minmax(220px, 1fr));
    overflow-x: auto;
  }
  .news-item { grid-template-columns: 88px minmax(0, 1fr); }
  .news-thumb { height: 70px; }
  .search-row, .admin-form, .panel-image-grid { grid-template-columns: 1fr; }
  .interactive-shell { grid-template-columns: 1fr; }
  .site-map { grid-template-columns: 1fr; }
  .site-map-arrow { transform: rotate(90deg); }
  .builder-head,
  .builder-workspace {
    grid-template-columns: 1fr;
  }
  .builder-mobile-bg-btn {
    margin-left: 0;
  }
  .builder-actions { justify-content: start; }
  .builder-preview,
  .builder-preview[data-variant="mobile"] {
    width: 100%;
    min-height: 520px;
  }
  .selected-card-under-preview {
    grid-template-columns: 1fr;
  }
  .material-item { grid-template-columns: 1fr; }
  .material-actions { justify-content: start; }
  .viewer-top { grid-template-columns: 1fr; height: auto; min-height: 64px; }
  .viewer-top .brand { display: none; }
  .viewer-slide-counter { display: none !important; }
  .viewer-controls {
    justify-content: start;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: none;
  }
  .viewer-controls #audioOnlyToggle {
    display: none !important;
  }
  .viewer-controls::-webkit-scrollbar { display: none; }
  .viewer-controls select {
    flex-basis: 184px;
    width: 184px;
    min-width: 184px;
    max-width: 184px;
  }
  #fullscreenToggle {
    min-width: 118px;
    order: -1;
  }
  .viewer-frame {
    height: calc(100vh - var(--viewer-top-height, 64px));
    height: calc(100dvh - var(--viewer-top-height, 64px));
    height: calc(var(--viewer-viewport-height, 100dvh) - var(--viewer-top-height, 64px));
  }
  .material-overlay iframe { height: 100vh; }
  .slide-viewer {
    grid-template-columns: minmax(0, 1fr) minmax(128px, 24vw);
    grid-template-areas: "stage speaker";
    gap: 8px;
    padding: 8px;
  }
  .speaker-panel { width: min(24vw, 160px); }
  .slide-viewer[data-layout="side"],
  .slide-viewer[data-layout="wide"],
  .slide-viewer[data-layout="overlay"] {
    grid-template-columns: minmax(0, 1fr) minmax(128px, 24vw);
    grid-template-areas: "stage speaker";
  }
  .slide-viewer[data-layout="side"] .speaker-panel,
  .slide-viewer[data-layout="wide"] .speaker-panel,
  .slide-viewer[data-layout="overlay"] .speaker-panel {
    position: relative;
    right: auto;
    bottom: auto;
    grid-area: speaker;
    align-self: center;
    justify-self: center;
    width: min(24vw, 160px);
    aspect-ratio: 9 / 16;
    margin: 0;
  }
  .slide-next,
  .slide-viewer[data-layout="side"] .slide-next,
  .slide-viewer[data-layout="wide"] .slide-next,
  .slide-viewer[data-layout="overlay"] .slide-next {
    right: calc(min(24vw, 160px) + 22px);
  }
}

@media (max-width: 900px) and (max-height: 520px) and (orientation: landscape) {
  .slide-viewer[data-layout="wide"] {
    grid-template-columns: minmax(0, .58fr) minmax(260px, .42fr);
    grid-template-areas: "stage speaker";
    gap: 8px;
    padding: 6px 8px max(16px, env(safe-area-inset-bottom));
  }
  .slide-viewer[data-layout="wide"] .slide-stage {
    display: grid;
  }
  .slide-viewer {
    align-items: start;
    padding: 6px 8px max(16px, env(safe-area-inset-bottom));
  }
  .slide-stage {
    align-self: start;
    height: calc(100vh - 86px);
    height: calc(100dvh - 86px);
    max-height: calc(100vh - 86px);
    max-height: calc(100dvh - 86px);
    place-items: start center;
  }
  .slide-image {
    width: 100% !important;
    height: calc(100vh - 86px) !important;
    height: calc(100dvh - 86px) !important;
    max-width: 100%;
    max-height: 100%;
    background: #020812;
    object-fit: contain;
  }
  .slide-viewer:not(.webinar-off):not(.audio-only):not([data-layout="presentation"]) .speaker-panel {
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }
  .slide-viewer:not(.webinar-off):not(.audio-only):not([data-layout="presentation"]) .speaker-panel video {
    border-radius: 8px;
    object-fit: contain;
  }
  .slide-viewer.has-landscape-video:not(.webinar-off):not(.audio-only):not([data-layout="presentation"]) {
    grid-template-columns: minmax(0, .58fr) minmax(260px, .42fr);
  }
  .slide-viewer.has-landscape-video:not(.webinar-off):not(.audio-only):not([data-layout="presentation"]) .speaker-panel {
    align-self: start;
    justify-self: stretch;
    width: auto;
    max-width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
  }
  .slide-viewer.has-portrait-video:not(.webinar-off):not(.audio-only):not([data-layout="presentation"]) {
    grid-template-columns: minmax(0, .72fr) minmax(116px, .28fr);
  }
  .slide-viewer.has-portrait-video:not(.webinar-off):not(.audio-only):not([data-layout="presentation"]) .speaker-panel {
    align-self: stretch;
    justify-self: start;
    width: auto;
    max-width: 100%;
    height: auto;
    aspect-ratio: 9 / 16;
  }
  .slide-viewer.has-portrait-video:not(.webinar-off):not(.audio-only):not([data-layout="presentation"]) .slide-next {
    right: calc(28% + 16px) !important;
  }
}

@media (max-width: 1100px) and (max-height: 620px) and (orientation: landscape) {
  .viewer-top {
    grid-template-columns: auto minmax(0, 1fr) auto;
    height: 64px;
    min-height: 64px;
    gap: 10px;
    padding: 8px max(12px, env(safe-area-inset-right)) 8px max(12px, env(safe-area-inset-left));
  }
  .viewer-top .brand {
    display: inline-flex;
  }
  .viewer-top .brand strong {
    font-size: 24px;
  }
  .viewer-top .brand span {
    padding-left: 10px;
    font-size: 11px;
  }
  #viewerTitle {
    max-width: min(32vw, 300px);
    font-size: 14px;
  }
  .viewer-controls {
    overflow: visible;
    gap: 6px;
    padding-bottom: 0;
  }
  .viewer-controls button,
  .viewer-controls select {
    min-height: 36px;
    padding: 7px 10px;
    border-radius: 7px;
    font-size: 14px;
  }
  .viewer-controls select {
    flex-basis: 186px;
    width: 186px;
    min-width: 186px;
    max-width: 186px;
  }
  #audioOnlyToggle {
    display: none !important;
  }
  #closeViewer {
    min-width: 74px;
  }
  .viewer-slide-counter {
    display: block !important;
    left: max(82px, calc(env(safe-area-inset-left) + 82px));
    top: 43px;
    z-index: 6;
    min-width: 44px;
    padding: 3px 8px;
    transform: none;
    font-size: 11px;
  }
  .viewer-frame {
    height: calc(100vh - var(--viewer-top-height, 64px));
    height: calc(100dvh - var(--viewer-top-height, 64px));
    height: calc(var(--viewer-viewport-height, 100dvh) - var(--viewer-top-height, 64px));
  }
  .slide-viewer,
  .slide-viewer[data-layout="side"],
  .slide-viewer[data-layout="wide"],
  .slide-viewer[data-layout="overlay"],
  .slide-viewer[data-layout="presentation"],
  .slide-viewer.webinar-off {
    padding-left: max(8px, calc(env(safe-area-inset-left) + 18px));
    padding-right: max(8px, env(safe-area-inset-right));
  }
  .slide-counter {
    display: none;
  }
  .slide-viewer[data-layout="wide"],
  .slide-viewer[data-layout="wide"].has-landscape-video:not(.webinar-off):not(.audio-only),
  .slide-viewer[data-layout="wide"].has-portrait-video:not(.webinar-off):not(.audio-only) {
    grid-template-columns: minmax(0, 1fr) !important;
    grid-template-rows: minmax(0, 1fr) !important;
    grid-template-areas: "speaker" !important;
    gap: 0 !important;
    padding: 0 0 max(12px, env(safe-area-inset-bottom)) !important;
  }
  .slide-viewer[data-layout="wide"] .slide-stage {
    display: none !important;
  }
  .slide-viewer[data-layout="wide"] .speaker-panel,
  .slide-viewer[data-layout="wide"].has-landscape-video:not(.webinar-off):not(.audio-only) .speaker-panel,
  .slide-viewer[data-layout="wide"].has-portrait-video:not(.webinar-off):not(.audio-only) .speaker-panel {
    position: relative;
    grid-area: speaker;
    align-self: stretch !important;
    justify-self: stretch !important;
    width: 100% !important;
    height: 100% !important;
    max-width: none !important;
    max-height: none !important;
    aspect-ratio: auto !important;
    margin: 0;
    border: 0;
    border-radius: 0;
    background: #020812;
    box-shadow: none;
  }
  .slide-viewer[data-layout="wide"] .speaker-panel video,
  .slide-viewer[data-layout="wide"].has-landscape-video:not(.webinar-off):not(.audio-only) .speaker-panel video,
  .slide-viewer[data-layout="wide"].has-portrait-video:not(.webinar-off):not(.audio-only) .speaker-panel video {
    width: 100%;
    height: 100%;
    border-radius: 0;
    background: #020812;
    object-fit: contain;
    object-position: center center;
  }
  .viewer-body.viewer-mobile-viewport .slide-viewer.is-fullscreen-active.fullscreen-audio-mode[data-layout="wide"] {
    grid-template-areas: "stage" !important;
  }
  .viewer-body.viewer-mobile-viewport .slide-viewer.is-fullscreen-active.fullscreen-audio-mode[data-layout="wide"] .slide-stage {
    display: grid !important;
    grid-area: stage !important;
  }
  .viewer-body.viewer-mobile-viewport .slide-viewer.is-fullscreen-active.fullscreen-audio-mode[data-layout="wide"] .speaker-panel {
    display: none !important;
  }
  .slide-viewer[data-layout="side"].has-landscape-video:not(.webinar-off):not(.audio-only),
  .slide-viewer[data-layout="wide"].has-landscape-video:not(.webinar-off):not(.audio-only),
  .slide-viewer[data-layout="overlay"].has-landscape-video:not(.webinar-off):not(.audio-only) {
    grid-template-columns: minmax(0, .56fr) minmax(260px, .44fr);
  }
  .slide-viewer[data-layout="side"].has-landscape-video:not(.webinar-off):not(.audio-only) .speaker-panel,
  .slide-viewer[data-layout="wide"].has-landscape-video:not(.webinar-off):not(.audio-only) .speaker-panel,
  .slide-viewer[data-layout="overlay"].has-landscape-video:not(.webinar-off):not(.audio-only) .speaker-panel {
    justify-self: center;
    width: min(100%, 560px);
    aspect-ratio: 16 / 9;
  }
  .slide-viewer.has-landscape-video:not(.webinar-off):not(.audio-only):not([data-layout="presentation"]) .speaker-panel video {
    object-position: center center;
  }
  .slide-viewer[data-layout="side"].has-portrait-video:not(.webinar-off):not(.audio-only) {
    grid-template-columns: minmax(0, .68fr) minmax(150px, .32fr);
  }
  .slide-viewer[data-layout="side"].has-portrait-video:not(.webinar-off):not(.audio-only) .speaker-panel {
    justify-self: start;
    height: 100%;
    width: auto;
    max-height: calc(100vh - 86px);
    max-height: calc(100dvh - 86px);
    aspect-ratio: 9 / 16;
  }
  .slide-viewer[data-layout="side"].has-landscape-video:not(.webinar-off):not(.audio-only) .slide-next {
    right: calc(44% + 12px) !important;
  }
  .slide-viewer[data-layout="side"].has-portrait-video:not(.webinar-off):not(.audio-only) .slide-next {
    right: calc(32% + 12px) !important;
  }
  .viewer-body.viewer-mobile-viewport .slide-viewer.is-fullscreen-active.fullscreen-audio-mode,
  .viewer-body.viewer-mobile-viewport .slide-viewer.is-fullscreen-active.fullscreen-audio-mode[data-layout="side"],
  .viewer-body.viewer-mobile-viewport .slide-viewer.is-fullscreen-active.fullscreen-audio-mode[data-layout="wide"],
  .viewer-body.viewer-mobile-viewport .slide-viewer.is-fullscreen-active.fullscreen-audio-mode[data-layout="overlay"],
  .viewer-body.viewer-mobile-viewport .slide-viewer.is-fullscreen-active.fullscreen-audio-mode[data-layout="presentation"] {
    grid-template-columns: minmax(0, 1fr) !important;
    grid-template-rows: minmax(0, 1fr) !important;
    grid-template-areas: "stage" !important;
    gap: 0 !important;
    padding: 0 !important;
  }
  .viewer-body.viewer-mobile-viewport .slide-viewer.is-fullscreen-active.fullscreen-audio-mode .slide-stage {
    display: grid !important;
    grid-area: stage !important;
    align-self: stretch !important;
    justify-self: stretch !important;
    width: 100% !important;
    height: 100% !important;
    min-width: 0;
    min-height: 0;
    padding: 0 !important;
    place-items: center !important;
  }
  .viewer-body.viewer-mobile-viewport .slide-viewer.is-fullscreen-active.fullscreen-audio-mode .speaker-panel {
    display: none !important;
  }
  .viewer-body.viewer-mobile-viewport .slide-viewer.is-fullscreen-active.fullscreen-audio-mode .slide-stage canvas,
  .viewer-body.viewer-mobile-viewport .slide-viewer.is-fullscreen-active.fullscreen-audio-mode .slide-image {
    max-width: 100vw !important;
    max-height: 100vh !important;
    max-height: 100dvh !important;
  }
  .slide-viewer[data-layout="presentation"],
  .slide-viewer.webinar-off,
  .slide-viewer.audio-only {
    grid-template-columns: minmax(0, 1fr) !important;
    grid-template-rows: minmax(0, 1fr) !important;
    grid-template-areas: "stage" !important;
    align-content: stretch;
    gap: 0 !important;
    padding-top: 0;
    padding-bottom: 0;
  }
  .slide-viewer[data-layout="presentation"] .slide-stage,
  .slide-viewer.webinar-off .slide-stage,
  .slide-viewer.audio-only .slide-stage {
    align-self: stretch;
    justify-self: stretch;
    width: 100%;
    height: 100%;
    min-height: 0;
    max-height: 100%;
    padding: 0 !important;
    place-items: center;
  }
  .slide-viewer[data-layout="presentation"] .slide-stage canvas,
  .slide-viewer[data-layout="presentation"] .slide-image,
  .slide-viewer.webinar-off .slide-stage canvas,
  .slide-viewer.webinar-off .slide-image,
  .slide-viewer.audio-only .slide-stage canvas,
  .slide-viewer.audio-only .slide-image {
    width: auto !important;
    height: auto !important;
    max-width: 100% !important;
    max-height: 100% !important;
    object-fit: contain;
  }
  .slide-viewer.tight-mobile-presentation,
  .slide-viewer.tight-mobile-presentation[data-layout="presentation"],
  .slide-viewer.tight-mobile-presentation.webinar-off,
  .slide-viewer.tight-mobile-presentation.audio-only {
    grid-template-columns: minmax(0, 1fr) !important;
    grid-template-rows: minmax(0, 1fr) !important;
    grid-template-areas: "stage" !important;
    align-content: stretch !important;
    gap: 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    overflow: hidden !important;
  }
  .slide-viewer.tight-mobile-presentation .rotate-tip,
  .slide-viewer.tight-mobile-presentation .speaker-panel {
    display: none !important;
  }
  .slide-viewer.tight-mobile-presentation .slide-stage {
    grid-area: stage !important;
    align-self: start !important;
    justify-self: stretch !important;
    width: 100% !important;
    height: var(--tight-stage-height, 100%) !important;
    max-height: var(--tight-stage-height, 100%) !important;
    min-height: 0 !important;
    padding: 0 !important;
    place-items: center !important;
    overflow: hidden !important;
  }
  .slide-viewer.tight-mobile-presentation .slide-stage canvas,
  .slide-viewer.tight-mobile-presentation .slide-image {
    width: auto !important;
    height: auto !important;
    max-width: 100% !important;
    max-height: var(--tight-stage-height, 100%) !important;
    object-fit: contain !important;
  }
  .viewer-body.viewer-fullscreen-video-step .viewer-top {
    display: none;
  }
  .viewer-body.viewer-fullscreen-video-step .viewer-frame {
    height: 100vh;
    height: 100dvh;
  }
  .slide-viewer.is-fullscreen-video-step,
  .slide-viewer.is-fullscreen-video-step[data-layout="side"],
  .slide-viewer.is-fullscreen-video-step[data-layout="wide"],
  .slide-viewer.is-fullscreen-video-step[data-layout="overlay"],
  .slide-viewer.is-fullscreen-video-step[data-layout="presentation"] {
    grid-template-columns: minmax(0, 1fr) !important;
    grid-template-rows: minmax(0, 1fr) !important;
    grid-template-areas: "stage" !important;
    gap: 0 !important;
    padding: 0 !important;
  }
  .slide-viewer.is-fullscreen-video-step .rotate-tip,
  .slide-viewer.is-fullscreen-video-step .speaker-panel {
    display: none !important;
  }
  .slide-viewer.is-fullscreen-video-step .slide-stage {
    align-self: stretch !important;
    justify-self: stretch !important;
    width: 100%;
    height: 100vh !important;
    height: 100dvh !important;
    max-height: 100vh !important;
    max-height: 100dvh !important;
    place-items: center !important;
    padding: 0 !important;
  }
  .slide-viewer.is-fullscreen-video-step .fullscreen-slide-video {
    width: 100vw !important;
    height: 100vh !important;
    height: 100dvh !important;
    max-width: 100vw !important;
    max-height: 100vh !important;
    max-height: 100dvh !important;
    border-radius: 0;
    box-shadow: none;
  }
  .slide-viewer.is-fullscreen-video-step .slide-prev {
    left: max(10px, env(safe-area-inset-left)) !important;
  }
  .slide-viewer.is-fullscreen-video-step .slide-next,
  .slide-viewer.is-fullscreen-video-step[data-layout="side"] .slide-next,
  .slide-viewer.is-fullscreen-video-step[data-layout="wide"] .slide-next,
  .slide-viewer.is-fullscreen-video-step[data-layout="overlay"] .slide-next {
    right: max(10px, env(safe-area-inset-right)) !important;
  }
}

@media (max-width: 760px) and (orientation: portrait) {
  .viewer-top {
    padding: 8px 10px 10px;
  }
  #viewerTitle {
    font-size: 18px;
    line-height: 1.25;
  }
  .viewer-controls {
    width: 100%;
    overflow: visible;
    gap: 6px;
    padding-bottom: 0;
  }
  .viewer-controls #audioOnlyToggle,
  .viewer-controls #layoutSelect,
  .viewer-controls #fullscreenToggle {
    display: none !important;
  }
  .viewer-controls #webinarToggle {
    min-width: 104px;
    padding-inline: 9px;
    font-size: 14px;
  }
  .viewer-controls #closeViewer {
    min-width: 72px;
    padding-inline: 9px;
    font-size: 14px;
  }
  .viewer-controls .viewer-mobile-action:not(.is-hidden) {
    display: inline-flex !important;
    flex: 1 1 116px;
    width: auto;
    min-width: 116px;
    max-width: none;
    padding-inline: 8px;
    font-size: 14px;
  }
  .rotate-tip {
    position: relative;
    top: auto;
    left: auto;
    grid-area: tip;
    display: block;
    width: auto;
    transform: none;
    padding: 6px 8px;
    font-size: 11px;
    line-height: 1.25;
  }
  .slide-viewer,
  .slide-viewer[data-layout="side"],
  .slide-viewer[data-layout="wide"],
  .slide-viewer[data-layout="overlay"] {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-rows: auto auto 58px minmax(220px, 1fr);
    grid-template-areas:
      "tip tip"
      "stage stage"
      "prev next"
      "speaker speaker";
    align-content: start;
    gap: 8px;
    padding: 8px;
    overflow-y: auto;
  }
  .slide-viewer[data-layout="presentation"],
  .slide-viewer.webinar-off,
  .slide-viewer.audio-only {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-rows: auto auto 58px;
    grid-template-areas:
      "tip tip"
      "stage stage"
      "prev next";
  }
  .slide-viewer[data-layout="wide"] {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-rows: auto minmax(0, 1fr) 58px;
    grid-template-areas:
      "tip tip"
      "speaker speaker"
      "prev next";
    align-content: stretch;
    overflow: hidden;
  }
  .slide-viewer[data-layout="wide"] .slide-stage {
    display: none;
  }
  .slide-stage {
    align-self: start;
    height: clamp(190px, 57vw, 275px);
  }
  .speaker-panel,
  .slide-viewer[data-layout="side"] .speaker-panel,
  .slide-viewer[data-layout="wide"] .speaker-panel,
  .slide-viewer[data-layout="overlay"] .speaker-panel {
    position: relative;
    right: auto;
    bottom: auto;
    grid-area: speaker;
    align-self: stretch;
    justify-self: center;
    width: auto;
    height: clamp(220px, 36vh, 320px);
    max-width: min(96vw, 360px);
    aspect-ratio: 9 / 16;
  }
  .slide-viewer[data-layout="wide"] .speaker-panel {
    align-self: stretch;
    justify-self: stretch;
    width: 100%;
    height: 100%;
    min-height: 0;
    max-width: none;
    max-height: none;
    aspect-ratio: auto;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }
  .slide-viewer[data-layout="side"].has-landscape-video:not(.webinar-off):not(.audio-only),
  .slide-viewer[data-layout="side"].has-portrait-video:not(.webinar-off):not(.audio-only),
  .slide-viewer[data-layout="overlay"].has-landscape-video:not(.webinar-off):not(.audio-only),
  .slide-viewer[data-layout="overlay"].has-portrait-video:not(.webinar-off):not(.audio-only) {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) !important;
    grid-template-rows: auto auto 58px minmax(220px, 1fr) !important;
    grid-template-areas:
      "tip tip"
      "stage stage"
      "prev next"
      "speaker speaker" !important;
  }
  .slide-viewer[data-layout="side"].has-landscape-video:not(.webinar-off):not(.audio-only) .slide-prev,
  .slide-viewer[data-layout="side"].has-landscape-video:not(.webinar-off):not(.audio-only) .slide-next,
  .slide-viewer[data-layout="side"].has-portrait-video:not(.webinar-off):not(.audio-only) .slide-prev,
  .slide-viewer[data-layout="side"].has-portrait-video:not(.webinar-off):not(.audio-only) .slide-next,
  .slide-viewer[data-layout="overlay"].has-landscape-video:not(.webinar-off):not(.audio-only) .slide-prev,
  .slide-viewer[data-layout="overlay"].has-landscape-video:not(.webinar-off):not(.audio-only) .slide-next,
  .slide-viewer[data-layout="overlay"].has-portrait-video:not(.webinar-off):not(.audio-only) .slide-prev,
  .slide-viewer[data-layout="overlay"].has-portrait-video:not(.webinar-off):not(.audio-only) .slide-next {
    position: relative !important;
    width: 100% !important;
    min-width: 0 !important;
    height: auto !important;
    min-height: 58px !important;
    left: auto !important;
    right: auto !important;
    transform: none !important;
  }
  .slide-viewer.has-landscape-video:not(.webinar-off):not(.audio-only):not([data-layout="presentation"]) .speaker-panel,
  .slide-viewer[data-layout="side"].has-landscape-video:not(.webinar-off):not(.audio-only) .speaker-panel,
  .slide-viewer[data-layout="wide"].has-landscape-video:not(.webinar-off):not(.audio-only) .speaker-panel,
  .slide-viewer[data-layout="overlay"].has-landscape-video:not(.webinar-off):not(.audio-only) .speaker-panel {
    width: min(96vw, 430px);
    height: auto;
    max-width: 100%;
    aspect-ratio: 16 / 9;
    align-self: start;
    border: 0;
    background: transparent;
    box-shadow: none;
  }
  .speaker-panel video {
    object-fit: contain;
  }
  .slide-viewer.has-landscape-video:not(.webinar-off):not(.audio-only):not([data-layout="presentation"]) .speaker-panel video {
    background: transparent;
    object-fit: cover;
    object-position: center center;
  }
  .slide-viewer[data-layout="wide"].has-portrait-video:not(.webinar-off):not(.audio-only) .speaker-panel video {
    background: transparent;
    border-radius: 0;
    object-fit: cover;
    object-position: center center;
  }
  .slide-viewer canvas {
    max-width: 100%;
    max-height: 100%;
  }
  .slide-nav {
    position: relative;
    top: auto;
    left: auto;
    right: auto !important;
    grid-area: prev;
    justify-self: stretch;
    align-self: stretch;
    width: auto;
    height: auto;
    min-height: 58px;
    border-radius: 10px;
    background: rgba(3, 18, 43, .72);
    transform: none;
  }
  .slide-prev,
  .slide-next {
    justify-self: stretch;
    align-self: stretch;
    width: 100%;
    min-width: 0;
    left: auto !important;
    right: auto !important;
  }
  .slide-prev { grid-area: prev; }
  .slide-nav::before {
    width: 20px;
    height: 20px;
  }
  .slide-next { grid-area: next; }
  .slide-prev::before { transform: translate(-35%, -50%) rotate(-135deg); }
  .slide-next::before { transform: translate(-65%, -50%) rotate(45deg); }
  .slide-counter {
    top: 76px;
    right: 12px;
    bottom: auto;
  }
  .auto-tip {
    bottom: calc(clamp(220px, 36vh, 320px) + 78px);
  }
  .video-sound-button {
    min-width: 156px;
    min-height: 48px;
    font-size: 15px;
  }
}

@media (max-width: 900px) {
  .viewer-body.viewer-fullscreen-mode .viewer-frame {
    height: 100vh;
    height: 100dvh;
  }
  .slide-viewer.is-fullscreen-active,
  .slide-viewer.is-fullscreen-active[data-layout="side"],
  .slide-viewer.is-fullscreen-active[data-layout="wide"],
  .slide-viewer.is-fullscreen-active[data-layout="overlay"],
  .slide-viewer.is-fullscreen-active[data-layout="presentation"],
  .slide-viewer.is-fullscreen-active.webinar-off,
  .slide-viewer.is-fullscreen-active.audio-only {
    grid-template-columns: minmax(0, 1fr) !important;
    grid-template-rows: minmax(0, 1fr) !important;
    grid-template-areas: "stage" !important;
    align-content: stretch !important;
    gap: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
  }
  .slide-viewer.is-fullscreen-active .rotate-tip,
  .slide-viewer.is-fullscreen-active .speaker-panel,
  .slide-viewer.is-fullscreen-active .auto-tip {
    display: none !important;
  }
  .slide-viewer.is-fullscreen-active[data-layout="wide"] {
    grid-template-areas: "speaker" !important;
  }
  .slide-viewer.is-fullscreen-active[data-layout="wide"] .slide-stage {
    display: none !important;
  }
  .slide-viewer.is-fullscreen-active[data-layout="wide"] .speaker-panel {
    display: block !important;
    grid-area: speaker !important;
    width: 100vw !important;
    height: 100vh !important;
    height: 100dvh !important;
    max-width: 100vw !important;
    max-height: 100vh !important;
    max-height: 100dvh !important;
  }
  .slide-viewer.is-fullscreen-active[data-layout="wide"] .speaker-panel video {
    width: 100% !important;
    height: 100% !important;
    object-fit: contain !important;
    object-position: center center !important;
  }
  .viewer-body.viewer-mobile-viewport .slide-viewer.is-fullscreen-active.fullscreen-audio-mode[data-layout="wide"] {
    grid-template-areas: "stage" !important;
  }
  .viewer-body.viewer-mobile-viewport .slide-viewer.is-fullscreen-active.fullscreen-audio-mode[data-layout="wide"] .slide-stage {
    display: grid !important;
    grid-area: stage !important;
  }
  .viewer-body.viewer-mobile-viewport .slide-viewer.is-fullscreen-active.fullscreen-audio-mode[data-layout="wide"] .speaker-panel {
    display: none !important;
  }
  .slide-viewer.is-fullscreen-active .slide-stage {
    grid-area: stage !important;
    align-self: stretch !important;
    justify-self: stretch !important;
    width: 100vw !important;
    height: 100vh !important;
    height: 100dvh !important;
    max-height: 100vh !important;
    max-height: 100dvh !important;
    place-items: center !important;
    padding: 0 !important;
  }
  .slide-viewer.is-fullscreen-active .slide-stage canvas,
  .slide-viewer.is-fullscreen-active .slide-image {
    width: auto !important;
    height: auto !important;
    max-width: 100vw !important;
    max-height: 100vh !important;
    max-height: 100dvh !important;
    object-fit: contain;
  }
  .slide-viewer.is-fullscreen-active .fullscreen-slide-video {
    width: 100vw !important;
    height: 100vh !important;
    height: 100dvh !important;
    max-width: 100vw !important;
    max-height: 100vh !important;
    max-height: 100dvh !important;
    object-fit: contain;
    box-shadow: none;
  }
  .slide-viewer.is-fullscreen-active .slide-nav {
    position: absolute !important;
    top: 50% !important;
    grid-area: auto !important;
    justify-self: auto !important;
    align-self: auto !important;
    width: 54px !important;
    height: 76px !important;
    min-height: 0 !important;
    border-radius: 8px !important;
    transform: translateY(-50%) !important;
    background: rgba(3, 15, 34, .42) !important;
  }
  .slide-viewer.is-fullscreen-active .slide-prev {
    left: max(14px, env(safe-area-inset-left)) !important;
    right: auto !important;
  }
  .slide-viewer.is-fullscreen-active .slide-next,
  .slide-viewer.is-fullscreen-active[data-layout="side"] .slide-next,
  .slide-viewer.is-fullscreen-active[data-layout="wide"] .slide-next,
  .slide-viewer.is-fullscreen-active[data-layout="overlay"] .slide-next,
  .slide-viewer.is-fullscreen-active[data-layout="presentation"] .slide-next,
  .slide-viewer.is-fullscreen-active.webinar-off .slide-next,
  .slide-viewer.is-fullscreen-active.audio-only .slide-next {
    left: auto !important;
    right: max(14px, env(safe-area-inset-right)) !important;
  }
  .slide-viewer.is-fullscreen-active .slide-counter {
    top: max(14px, env(safe-area-inset-top)) !important;
    right: max(14px, env(safe-area-inset-right)) !important;
    bottom: auto !important;
  }
  .slide-viewer.is-fullscreen-active .slide-fullscreen-exit {
    top: max(14px, env(safe-area-inset-top)) !important;
    right: max(14px, env(safe-area-inset-right)) !important;
  }
}

@media (max-width: 430px) {
  .app-shell { width: 100%; }
  .brand strong { font-size: 30px; }
  .brand span { font-size: 11px; padding-left: 10px; }
  .hero { min-height: 430px; }
  .hero-copy { padding-left: 18px; }
  .program-grid { gap: 10px; }
  .panel { padding: 14px; }
}