/* Universal yuklash spinneri — har joyda ishlatish mumkin.
 * Foydalanish:
 *   <div class="rtd-loading"><span class="rtd-spinner"></span><span>Загрузка…</span></div>
 *   <span class="rtd-spinner"></span>
 * Hajm: 18×18 (default), .rtd-spinner--sm = 14px, .rtd-spinner--lg = 28px.
 */
.rtd-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--rtd-border-color, #dee2e6);
  border-top-color: var(--rtd-color-primary, #1a73e8);
  border-radius: 50%;
  animation: rtd-spin .8s linear infinite;
  vertical-align: middle;
}
.rtd-spinner--sm { width: 14px; height: 14px; border-width: 2px; }
.rtd-spinner--lg { width: 28px; height: 28px; border-width: 3px; }

.rtd-loading {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 0;
  color: var(--rtd-text-muted);
}

@keyframes rtd-spin {
  to { transform: rotate(360deg); }
}