.app-dialog-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md, 1rem);
  background: rgba(0, 0, 0, 0.5);
  animation: app-dialog-fade-in var(--transition-normal, 200ms ease);
}

.app-dialog-panel {
  position: relative;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-primary, #fff);
  border-radius: var(--radius-lg, 10px);
  box-shadow: var(--shadow-md, 0 8px 24px rgba(0, 0, 0, 0.16));
  animation: app-dialog-scale-in var(--transition-normal, 200ms ease);

  &:focus-visible {
    outline: none;
  }
}

.app-dialog-panel--sm {
  max-width: 400px;
}

.app-dialog-panel--md {
  max-width: 560px;
}

.app-dialog-panel--lg {
  max-width: 800px;
}

.app-dialog-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md, 1rem);
  padding: var(--space-md, 1rem) var(--space-lg, 1.5rem);
  border-bottom: 1px solid var(--border-color, #e4e4e7);
}

.app-dialog-panel__title {
  margin: 0;
  font-size: var(--font-size-xl, 1.125rem);
  font-weight: var(--font-weight-semibold, 600);
  color: var(--text-primary, #1f322d);
}

.app-dialog-panel__close {
  border: none;
  background: transparent;
  color: var(--text-secondary, #6b7280);
  font-size: var(--font-size-3xl, 1.5rem);
  line-height: 1;
  cursor: pointer;
  padding: var(--space-xs, 0.25rem);
  border-radius: var(--radius-sm, 4px);

  &:hover {
    background: var(--bg-secondary, #f4f4f5);
  }

  &:focus-visible {
    outline: 2px solid var(--primary-color, #2f6e5d);
    outline-offset: 2px;
  }
}

.app-dialog-panel__body {
  padding: var(--space-lg, 1.5rem);
}

@keyframes app-dialog-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes app-dialog-scale-in {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .app-dialog-backdrop,
  .app-dialog-panel {
    animation: none;
  }
}
