@layer business {
.changelog-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0);
  transition: background 0.2s ease;
}

.changelog-overlay.changelog-visible {
  background: rgba(0, 0, 0, 0.4);
}

.changelog-overlay.changelog-closing {
  background: rgba(0, 0, 0, 0);
}

.changelog-modal {
  background: var(--bg-card);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
  width: min(460px, 90vw);
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(20px) scale(0.95);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.changelog-visible .changelog-modal {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.changelog-closing .changelog-modal {
  transform: translateY(20px) scale(0.95);
  opacity: 0;
}

.changelog-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 20px 24px 12px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main, var(--text-main));
}

.changelog-header i {
  font-size: 20px;
  color: var(--color-primary, var(--color-primary));
}

.changelog-body {
  flex: 1;
  overflow-y: auto;
  padding: 8px 24px 16px;
}

.changelog-entry {
  padding: 12px 0;
}

.changelog-entry + .changelog-entry {
  border-top: 1px solid var(--ruled-line-color);
}

.changelog-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.changelog-version {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary, var(--color-primary));
  background: rgba(43, 94, 167, 0.08);
  padding: 2px 8px;
  border-radius: 4px;
}

.changelog-date {
  font-size: 12px;
  color: var(--text-muted, var(--text-muted));
}

.changelog-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.changelog-list li {
  position: relative;
  padding: 4px 0 4px 16px;
  font-size: 14px;
  color: var(--text-main, var(--text-main));
  line-height: 1.5;
}

.changelog-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary, var(--color-primary));
  opacity: 0.6;
}

.changelog-footer {
  padding: 12px 24px 20px;
  display: flex;
  justify-content: center;
}

.changelog-btn {
  padding-left: 32px;
  padding-right: 32px;
}

.changelog-btn:active {
  transform: scale(0.97);
}

/* Mobile */
@media (max-width: 768px) {
  .changelog-overlay {
    align-items: center;
    justify-content: center;
  }

  .changelog-modal {
    width: 90vw;
    max-height: 75vh;
    border-radius: 12px;
  }

  .changelog-header {
    padding: 24px 20px 12px;
  }

  .changelog-body {
    padding: 8px 20px 16px;
  }

  .changelog-footer {
    padding: 12px 20px 24px;
    padding-bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  }
}

}