.demo-shell {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.14), transparent 32rem),
    radial-gradient(circle at top right, rgba(124, 58, 237, 0.12), transparent 30rem),
    #f6f8ff;
}
.demo-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}
.demo-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}
.demo-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #2563eb;
  font-weight: 900;
}
.demo-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.35fr);
  gap: 24px;
  align-items: start;
}
.demo-card {
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.10);
  padding: 26px;
}
.demo-form {
  display: grid;
  gap: 16px;
}
.demo-form label {
  display: grid;
  gap: 8px;
  color: #334155;
  font-size: 14px;
  font-weight: 900;
}
.demo-form input,
.demo-form select,
.demo-form textarea {
  width: 100%;
  border: 1px solid #dbe4f0;
  border-radius: 16px;
  padding: 13px 14px;
  color: #0f172a;
  background: #f8fafc;
  outline: none;
}
.demo-form input:focus,
.demo-form select:focus,
.demo-form textarea:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
  background: #fff;
}
.demo-output {
  display: grid;
  gap: 16px;
}
.demo-preview-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid #e2e8f0;
}
.demo-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  background: #ecfdf5;
  color: #047857;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 950;
}
.demo-status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #10b981;
}
.demo-list {
  display: grid;
  gap: 12px;
}
.demo-item {
  display: grid;
  gap: 4px;
  border: 1px solid #e2e8f0;
  border-radius: 18px;
  background: linear-gradient(180deg, #fff, #f8fafc);
  padding: 16px;
}
.demo-item strong {
  color: #0f172a;
  letter-spacing: -0.02em;
}
.demo-item span {
  color: #64748b;
  font-size: 14px;
}
.demo-stage {
  min-height: 360px;
  position: relative;
  overflow: hidden;
  border: 1px solid #dbe4f0;
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(124, 58, 237, 0.08)),
    #ffffff;
  padding: 22px;
}
.virtual-room {
  min-height: 360px;
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 16px;
}
.avatar-panel, .chat-panel, .slide-panel {
  border: 1px solid #e2e8f0;
  border-radius: 22px;
  background: rgba(255,255,255,0.84);
  padding: 18px;
}
.avatar-figure {
  height: 180px;
  border-radius: 24px;
  display: grid;
  place-items: center;
  font-size: 72px;
  background: linear-gradient(135deg, #dbeafe, #ede9fe);
  margin-bottom: 14px;
}
.demo-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.demo-kpi {
  border-radius: 18px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  padding: 14px;
}
.demo-kpi b {
  display: block;
  color: #2563eb;
  font-size: 22px;
}
@media (max-width: 860px) {
  .demo-grid, .virtual-room { grid-template-columns: 1fr; }
  .demo-topbar { align-items: flex-start; flex-direction: column; }
}


/* Standalone demo pages aligned with the main site design */
.demo-hero {
  padding-bottom: 48px;
}
.demo-switcher {
  padding-top: 8px;
  padding-bottom: 12px;
}
.section-heading.compact {
  margin-bottom: 18px;
}
.demo-switcher-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}
.demo-switcher-grid a {
  border: 1px solid rgba(226, 232, 240, 0.92);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.06);
  padding: 16px 14px;
  color: #334155;
  font-weight: 950;
  text-align: center;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.demo-switcher-grid a:hover {
  transform: translateY(-2px);
  border-color: rgba(37, 99, 235, 0.32);
  box-shadow: 0 18px 44px rgba(37, 99, 235, 0.12);
  color: #2563eb;
}
.demo-lab-section {
  padding-top: 48px;
}
.demo-lab-section .demo-grid {
  margin-top: 28px;
}
.demo-lab-section .demo-card {
  background: rgba(255, 255, 255, 0.86);
}
.demo-card h2 {
  margin-top: 0;
  letter-spacing: -0.035em;
}
.demo-output .demo-list {
  margin-top: 4px;
}
@media (max-width: 980px) {
  .demo-switcher-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .demo-switcher-grid { grid-template-columns: 1fr; }
}

/* Final site-theme alignment for /demo pages */
body {
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.12), transparent 32rem),
    radial-gradient(circle at top right, rgba(124, 58, 237, 0.10), transparent 30rem),
    var(--bg);
}
.demo-hero {
  padding-top: 82px;
  padding-bottom: 52px;
}
.demo-switcher-grid a[aria-current="page"],
.demo-switcher-grid a.active {
  color: var(--primary);
  border-color: rgba(37, 99, 235, 0.34);
  background: #eff6ff;
  box-shadow: 0 18px 44px rgba(37, 99, 235, 0.12);
}
.demo-card,
.demo-stage,
.avatar-panel,
.chat-panel,
.slide-panel,
.demo-item,
.demo-kpi {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.9);
}
.demo-form input,
.demo-form select,
.demo-form textarea {
  background: #ffffff;
  border-color: var(--line);
}
.demo-lab-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 24px 84px;
}

/* Dashboard-scoped cloud UI polish */
.cloud-body .demo-lab-section,
.cloud-body .lecture-video-main,
.cloud-body .curriculum-demo-section {
  background: transparent;
}
.cloud-body .dashboard-generator-surface .demo-grid {
  display: grid;
  grid-template-columns: minmax(360px, .78fr) minmax(0, 1fr);
  gap: 18px;
  padding: 20px;
}
.cloud-body .dashboard-generator-surface .demo-card,
.cloud-body .dashboard-generator-surface .page-panel {
  border: 1px solid #e4e7ec;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 8px 22px rgba(15, 23, 42, .055);
}
.cloud-body .dashboard-generator-surface .demo-card h2,
.cloud-body .dashboard-generator-surface .page-panel h2 {
  letter-spacing: -.035em;
}
.cloud-body .dashboard-generator-surface .demo-form input,
.cloud-body .dashboard-generator-surface .demo-form textarea,
.cloud-body .dashboard-generator-surface .demo-form select,
.cloud-body .dashboard-generator-surface .video-form input,
.cloud-body .dashboard-generator-surface .video-form textarea,
.cloud-body .dashboard-generator-surface .video-form select {
  border-radius: 12px;
  border-color: #e4e7ec;
}
.cloud-body .dashboard-generator-surface .btn.primary,
.cloud-body .dashboard-generator-surface button.btn.primary,
.cloud-body .dashboard-generator-surface .demo-form .btn.primary {
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, #4f46e5, #2563eb);
  box-shadow: 0 14px 26px rgba(79,70,229,.22);
}
.cloud-body .dashboard-generator-surface .btn.secondary {
  border-radius: 12px;
  background: #fff;
  border: 1px solid #e4e7ec;
  color: #344054;
}
.cloud-body .dashboard-generator-surface .demo-output {
  background: linear-gradient(180deg, #ffffff, #f8fafc);
}
.cloud-body .dashboard-generator-surface .demo-preview-header,
.cloud-body .dashboard-generator-surface .demo-item {
  border-color: #e4e7ec;
}
.cloud-body .dashboard-generator-surface .demo-status {
  color: #166534;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
}
@media (max-width: 900px) {
  .cloud-body .dashboard-generator-surface .demo-grid,
  .cloud-body .dashboard-generator-surface .video-generator-grid {
    grid-template-columns: 1fr;
  }
}