.admin-body--design .admin-design-shell {
  max-width: none;
  margin: 0;
  padding: 16px 20px 24px;
  min-height: 100vh;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
}

.admin-design-top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--admin-border);
}

.admin-design-top h1 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.admin-design-top p {
  margin: 0;
  font-size: 13px;
  color: var(--admin-muted);
  max-width: 520px;
}

.admin-design-page-pick {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11px;
  color: var(--admin-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.admin-design-page-pick select {
  min-width: 220px;
  padding: 8px 10px;
  font-size: 13px;
  text-transform: none;
  letter-spacing: 0;
  color: #fff;
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 4px;
}

.admin-top__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 8px;
}

.admin-design-layout {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(260px, 320px) 1fr;
  gap: 20px;
  min-height: 0;
}

.admin-design-controls {
  overflow: auto;
  max-height: calc(100vh - 140px);
  padding-right: 8px;
}

.admin-design-hint {
  margin: 0 0 16px !important;
}

.admin-design-field {
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--admin-border);
}

.admin-design-field:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.admin-design-field__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 4px;
}

.admin-design-field__head label {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
}

.admin-design-field__head output {
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--admin-accent);
  font-weight: 600;
}

.admin-design-field__hint {
  margin: 0 0 10px;
  font-size: 11px;
  color: var(--admin-muted);
  line-height: 1.45;
}

.admin-design-field input[type="range"] {
  width: 100%;
  accent-color: var(--admin-accent);
  cursor: pointer;
}

.admin-design-preview-wrap {
  display: flex;
  flex-direction: column;
  min-height: 0;
  border: 1px solid var(--admin-border);
  border-radius: 4px;
  overflow: hidden;
  background: #000;
}

.admin-design-preview-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  background: var(--admin-panel);
  border-bottom: 1px solid var(--admin-border);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--admin-muted);
}

.admin-design-preview-jump {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  text-transform: none;
  letter-spacing: 0;
  color: #ccc;
}

.admin-design-preview-jump select {
  font-family: inherit;
  font-size: 12px;
  padding: 4px 8px;
  background: #0a0a0a;
  border: 1px solid var(--admin-border);
  color: #fff;
  border-radius: 2px;
}

.admin-design-preview-frame {
  flex: 1;
  width: 100%;
  min-height: calc(100vh - 180px);
  border: none;
  background: #1c1c1c;
}

#design-message {
  margin-bottom: 12px;
}

@media (max-width: 900px) {
  .admin-design-layout {
    grid-template-columns: 1fr;
  }

  .admin-design-controls {
    max-height: none;
  }

  .admin-design-preview-frame {
    min-height: 70vh;
  }
}