.svg-icon {
  width: 1.25em;
  height: 1.25em;
  display: inline-block;
  vertical-align: -0.2em;
  flex-shrink: 0;
}

.stat-icon .svg-icon,
.empty-icon .svg-icon,
.upload-icon .svg-icon {
  width: 1.5rem;
  height: 1.5rem;
}

.nav-item .svg-icon {
  width: 1.25rem;
  height: 1.25rem;
}

.brand-logo {
  display: block;
  object-fit: contain;
}

.brand-logo--login {
  width: 140px;
  height: auto;
  margin: 0 auto 1rem;
}

.brand-logo--sidebar {
  width: 44px;
  height: 44px;
  background: white;
  border-radius: var(--radius-sm);
  padding: 3px;
}

.brand-logo--exam {
  width: 120px;
  height: auto;
  margin: 0 auto 0.75rem;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.15));
}

.brand-subtitle {
  font-size: 0.8rem;
  opacity: 0.85;
  margin-top: 0.25rem;
}

.ai-loading {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 0;
  color: var(--color-text-muted);
}

.ai-loading .spinner {
  width: 24px;
  height: 24px;
}