.overlay {
  position: fixed;
  z-index: var(--z-overlay);
  inset: 0;
  display: flex;
  background: var(--color-overlay);
  backdrop-filter: blur(4px);
}

.modal-overlay {
  align-items: center;
  justify-content: center;
  padding: max(var(--space-5), var(--safe-area-top)) max(var(--space-5), var(--safe-area-right))
    max(var(--space-5), var(--safe-area-bottom)) max(var(--space-5), var(--safe-area-left));
}

.modal {
  display: flex;
  width: min(38rem, 100%);
  max-height: min(48rem, calc(100dvh - 2.5rem));
  min-height: 0;
  overflow: hidden;
  flex-direction: column;
  color: var(--color-text);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-overlay);
  animation: modal-enter var(--transition-medium) both;
}

.modal--assunto-form {
  width: min(60rem, 100%);
}

.modal--backup-import {
  width: min(42rem, 100%);
}

.modal--structure-move {
  width: min(38rem, 100%);
}

.modal__header,
.side-panel__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.modal__heading,
.side-panel__heading {
  min-width: 0;
}

.modal__heading h2,
.side-panel__heading h2 {
  margin: 0;
  font-size: var(--font-size-xl);
}

.modal__heading p,
.side-panel__heading p {
  margin: var(--space-2) 0 0;
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.modal__body,
.side-panel__body {
  min-height: 0;
  padding: var(--space-6);
  overflow: auto;
  overscroll-behavior: contain;
}

.modal__footer,
.side-panel__footer {
  flex: 0 0 auto;
  padding: var(--space-4) var(--space-6);
  padding-bottom: max(var(--space-4), var(--safe-area-bottom));
  background: var(--color-surface-soft);
  border-top: 1px solid var(--color-border);
}

.overlay-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-3);
}

.side-panel-overlay {
  justify-content: flex-end;
}

.side-panel {
  display: flex;
  width: min(31rem, 100%);
  height: 100%;
  min-height: 0;
  flex-direction: column;
  color: var(--color-text);
  background: var(--color-surface-elevated);
  border-left: 1px solid var(--color-border);
  box-shadow: var(--shadow-overlay);
  animation: panel-enter var(--transition-medium) both;
}

.side-panel__header {
  padding-top: max(var(--space-5), var(--safe-area-top));
  padding-right: max(var(--space-6), var(--safe-area-right));
}

.side-panel__body {
  flex: 1;
  padding-right: max(var(--space-6), var(--safe-area-right));
  padding-bottom: max(var(--space-6), var(--safe-area-bottom));
}

.side-panel__footer {
  padding-right: max(var(--space-6), var(--safe-area-right));
}

@keyframes modal-enter {
  from {
    opacity: 0;
    transform: translateY(0.75rem) scale(0.985);
  }
}

@keyframes panel-enter {
  from {
    transform: translateX(100%);
  }
}