.sg-preloader {
  --sg-preloader-bg: #f4f1eb;
  --sg-preloader-accent: #8b1e2d;
  --sg-preloader-muted: #666;
  --sg-preloader-ring: #e0dcd4;

  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: var(--sg-preloader-bg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.32s ease, visibility 0.32s ease;
}

.sg-preloader--visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Мгновенно при открытии, если есть незавершённая анкета в localStorage */
html.sg-boot-resume .wrap {
  visibility: hidden;
}

html.sg-boot-resume #sg-preloader {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

html.sg-boot-resume #sg-preloader .sg-preloader__inner {
  opacity: 1;
  transform: none;
}

html.sg-boot-resume body {
  overflow: hidden;
}

.sg-preloader__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
  text-align: center;
  transform: translateY(4px);
  opacity: 0;
  transition: transform 0.36s ease, opacity 0.36s ease;
}

.sg-preloader--visible .sg-preloader__inner {
  transform: translateY(0);
  opacity: 1;
}

.sg-preloader__ring {
  width: 2.5rem;
  height: 2.5rem;
  border: 2px solid var(--sg-preloader-ring);
  border-top-color: var(--sg-preloader-accent);
  border-radius: 50%;
  animation: sg-preloader-spin 0.75s linear infinite;
}

.sg-preloader__text {
  margin: 0;
  max-width: 16rem;
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--sg-preloader-muted);
  letter-spacing: 0.01em;
}

body.sg-preloader-active {
  overflow: hidden;
}

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

/* Quiz page — чуть другой фон, тот же акцент */
body.sg-quiz-page .sg-preloader {
  --sg-preloader-bg: #f5f5f5;
}

.panel.panel-enter {
  animation: sg-panel-in 0.28s ease;
}

.quiz-question.active {
  animation: sg-panel-in 0.28s ease;
}

@keyframes sg-panel-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}