:root {
  --admin-surface: #ffffff;
  --admin-surface-soft: #f8fafc;
  --admin-surface-muted: #eef2f7;
  --admin-border: rgba(15, 23, 42, 0.08);
  --admin-text: #0f172a;
  --admin-text-muted: #64748b;
  --admin-primary: #1a72e8;
  --admin-primary-soft: rgba(26, 114, 232, 0.12);
}

.admin-content {
  padding: 1.5rem 1.5rem 2rem;
}

.theme-studio-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
}

.theme-section {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 1rem;
  padding: 1.25rem;
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.04);
}

.theme-preset-card {
  background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
  border: 1px solid var(--admin-border);
  border-radius: 1rem;
  padding: 1rem;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.theme-preset-card:hover {
  transform: translateY(-2px);
  border-color: rgba(26, 114, 232, 0.25);
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.08);
}

.theme-preset-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.85rem;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, #1a72e8, #764ba2);
}

.wizard-stepper .nav-link {
  border-radius: 999px;
  background: var(--admin-surface-soft);
  color: var(--admin-text-muted);
  margin-right: .5rem;
  font-weight: 600;
}

.wizard-stepper .nav-link.active {
  background: var(--admin-primary);
  color: #fff;
}

.theme-preview-frame {
  border: 1px solid var(--admin-border);
  border-radius: 1.25rem;
  overflow: hidden;
  background: linear-gradient(180deg, #fff, #f8fafc);
}

.theme-preview-desktop {
  width: 100%;
}

.theme-preview-tablet {
  max-width: 920px;
  margin: 0 auto;
}

.theme-preview-mobile {
  max-width: 420px;
  margin: 0 auto;
}

.theme-preview-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: .9rem 1rem;
  background: #0f172a;
  color: #fff;
}

.theme-dot {
  display: inline-block;
  width: .7rem;
  height: .7rem;
  border-radius: 50%;
}

.theme-preview-title {
  font-weight: 600;
}

.theme-preview-body {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 520px;
}

.theme-preview-sidebar {
  padding: 1rem;
  background: var(--admin-surface-soft);
  border-right: 1px solid var(--admin-border);
}

.theme-preview-chip {
  display: block;
  border-radius: .75rem;
  padding: .65rem .8rem;
  margin-bottom: .5rem;
  background: #fff;
  color: var(--admin-text-muted);
  border: 1px solid var(--admin-border);
}

.theme-preview-chip.active {
  background: var(--admin-primary-soft);
  color: var(--admin-primary);
  border-color: rgba(26, 114, 232, 0.25);
}

.theme-preview-main {
  padding: 1rem;
}

.theme-preview-card {
  background: #fff;
  border: 1px solid var(--admin-border);
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.theme-token-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
}

.theme-token-item {
  display: flex;
  justify-content: space-between;
  gap: .75rem;
  padding: .75rem .85rem;
  border-radius: .85rem;
  background: var(--admin-surface-soft);
  border: 1px solid var(--admin-border);
}

.theme-token-item code {
  white-space: nowrap;
}

@media (max-width: 992px) {
  .theme-preview-body {
    grid-template-columns: 1fr;
  }

  .theme-preview-sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--admin-border);
  }
}

@media (max-width: 768px) {
  .admin-content {
    padding: 1rem;
  }

  .theme-studio-header {
    flex-direction: column;
  }

  .theme-token-grid {
    grid-template-columns: 1fr;
  }

  .theme-preview-topbar {
    flex-wrap: wrap;
  }

  .theme-preview-frame {
    border-radius: 1rem;
  }
}