/* ================================================================
   MaisBook — Seleção de fotos
   Também carregado em galeria-link, galeria-pasta e fotos-evento:
   é aqui que moram o cabeçalho de galeria, a barra de ação fixa,
   o contador e o modal de prévia.

   Mobile: barra de ação encostada no rodapé com safe-area, botões de
   44px e prévia em sheet deslizante no lugar do modal centrado.
   ================================================================ */

.selecao-page .maisbook-main {
  padding-top: var(--space-fluid-lg, 2rem);
  /* A reserva para a barra de ação fica em galeria.css, na última seção de
     pastas, para não somar duas vezes. */
  padding-bottom: var(--space-fluid-lg, 2rem);
}

/* ==========================================================================
   1. Cabeçalho da tela
   ========================================================================== */

.selecao-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-fluid-lg, 2rem);
  flex-wrap: wrap;
  gap: var(--space-fluid-sm, 1rem);
}

.selecao-header-main {
  flex: 1 1 320px;
  min-width: 0;
}

.selecao-header .btn-voltar {
  margin-bottom: var(--space-fluid-sm, 1rem);
}

.maisbook-page .selecao-header h1 {
  font-size: var(--font-size-fluid-3xl, 1.75rem);
  font-weight: var(--font-weight-bold, 700);
  letter-spacing: var(--letter-spacing-tight);
  line-height: var(--line-height-tight);
  margin: 0;
}

.galeria-subtitle {
  color: var(--color-text-muted);
  font-size: var(--font-size-fluid-sm, 0.9375rem);
  margin-top: var(--space-fluid-2xs, 0.5rem);
}

.selecao-alert {
  margin-top: var(--space-fluid-sm, 1rem);
  padding: var(--space-fluid-xs, 0.75rem) var(--space-fluid-sm, 1rem);
  background: var(--color-warning-muted);
  border: 1px solid var(--color-warning-border);
  border-radius: var(--radius-md);
  display: block;
}

.maisbook-page .selecao-alert p {
  margin: 0;
  color: var(--color-warning);
  font-weight: var(--font-weight-semibold, 600);
  font-size: var(--font-size-fluid-sm, 0.9375rem);
  line-height: var(--line-height-snug, 1.35);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.selecao-alert p svg {
  flex-shrink: 0;
  margin-top: 1px;
}

.selecao-info {
  display: flex;
  align-items: center;
  gap: var(--space-fluid-sm, 1rem);
}

.selecao-counter {
  display: flex;
  align-items: baseline;
  gap: 6px;
  min-height: var(--tap-min, 44px);
  padding: 10px 18px;
  background: var(--color-primary-muted);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-semibold, 600);
}

.maisbook-page .selecao-counter .count {
  font-size: var(--font-size-fluid-lg, 1.125rem);
  color: var(--color-primary);
  font-weight: 800;
}

.maisbook-page .selecao-counter .limit {
  color: var(--color-text-muted);
}

.selecao-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: var(--tap-min, 44px);
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.selecao-back:hover {
  color: var(--color-link);
}

.downloads-count-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 4px;
  display: block;
}

/* ==========================================================================
   2. Estados vazio / bloqueado
   ========================================================================== */

.galeria-empty {
  text-align: center;
  padding: var(--space-fluid-xl, 3rem) var(--space-fluid-md, 1.5rem);
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  animation: fadeInUp 0.6s ease;
}

.galeria-empty-icon {
  width: 64px;
  height: 64px;
  background: var(--color-warning);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-fluid-sm, 1.25rem);
  box-shadow: 0 8px 24px rgba(251, 191, 36, 0.2);
}

.galeria-empty-icon svg {
  width: 32px;
  height: 32px;
  fill: var(--color-bg);
}

.maisbook-page .galeria-empty h3 {
  font-size: var(--font-size-fluid-lg, 1.25rem);
  font-weight: var(--font-weight-bold, 700);
  color: var(--color-text);
  margin: 0 0 var(--space-fluid-2xs, 0.75rem);
  letter-spacing: var(--letter-spacing-tight);
}

.maisbook-page .galeria-empty p {
  margin: 0 auto;
  color: var(--color-text-muted);
  font-size: var(--font-size-fluid-base, 1rem);
  max-width: 42ch;
  line-height: var(--line-height-normal);
}

.action-bar-locked,
.action-bar-info-box {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap-min, 44px);
  padding: 10px 18px;
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  border-radius: var(--radius-md);
  font-size: var(--font-size-fluid-sm, 0.9375rem);
  font-weight: var(--font-weight-semibold, 600);
}

/* ==========================================================================
   3. Barra de ação fixa
   ========================================================================== */

.action-bar {
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  z-index: var(--z-actionbar, 1100);
  padding: var(--space-fluid-xs, 0.75rem) max(var(--space-gutter, 1rem), var(--safe-left, 0px));
  padding-inline-end: max(var(--space-gutter, 1rem), var(--safe-right, 0px));
  padding-bottom: calc(var(--space-fluid-xs, 0.75rem) + var(--safe-bottom, 0px));
  background: var(--glass-bg-strong);
  backdrop-filter: blur(22px) saturate(1.2);
  -webkit-backdrop-filter: blur(22px) saturate(1.2);
  border-top: 1px solid var(--color-border);
  box-shadow: var(--shadow-actionbar);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(110%);
  transition: transform var(--transition-sheet, 320ms cubic-bezier(0.05, 0.7, 0.1, 1));
}

.action-bar.visible {
  transform: translateY(0);
}

.action-bar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--container-max, 1200px);
  min-height: var(--tap-min, 44px);
  gap: var(--space-fluid-sm, 1rem);
}

.action-bar-info {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
}

.selection-count {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.maisbook-page .selection-count .current {
  font-size: var(--font-size-fluid-2xl, 1.5rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.maisbook-page .selection-count .separator {
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
}

.maisbook-page .selection-count .max {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold, 600);
  color: var(--color-text-light);
}

.maisbook-page .selection-label {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.progress-bar-container {
  flex: 1 1 auto;
  max-width: 200px;
  height: 6px;
  background: var(--color-surface-hover);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-bar.full {
  background: var(--color-success);
}

.progress-bar.over {
  background: var(--color-error);
}

.action-bar-buttons {
  display: flex;
  gap: var(--space-fluid-2xs, 0.625rem);
  flex: 0 0 auto;
}

.action-bar-buttons > button,
.action-bar-buttons > a {
  min-height: var(--tap-min, 44px);
}

/* ==========================================================================
   4. Botões da barra e dos diálogos
   ========================================================================== */

.btn-clear {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap-min, 44px);
  padding: 11px 20px;
  background: var(--color-surface-hover);
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold, 600);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  font-family: inherit;
}

.btn-clear:hover {
  background: var(--color-surface-muted);
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

.btn-confirm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  min-height: var(--tap-min, 44px);
  padding: 11px 24px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold, 600);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  font-family: inherit;
  box-shadow: var(--shadow-primary);
}

@media (hover: hover) {
  .btn-confirm:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary-hover);
  }
}

.btn-confirm:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn-preview {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap-min, 44px);
  padding: 11px 24px;
  background: var(--color-primary-muted);
  color: var(--color-primary);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold, 600);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  font-family: inherit;
}

.btn-preview:hover {
  background: var(--color-primary-border);
}

.btn-download {
  padding: 11px 24px;
  min-height: var(--tap-min, 44px);
  background: linear-gradient(135deg, var(--color-success) 0, var(--color-success-dark) 100%);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold, 600);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  font-family: inherit;
  box-shadow: var(--shadow-success);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
}

@media (hover: hover) {
  .btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(52, 211, 153, 0.35);
  }
}

.btn-download:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  filter: saturate(0.6);
}

.btn-voltar {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  min-height: var(--tap-min, 44px);
  padding: 10px 18px;
  background: var(--color-surface-muted);
  color: var(--color-text-light);
  text-decoration: none;
  font-weight: var(--font-weight-semibold, 600);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  border: 1px solid var(--color-border);
  cursor: pointer;
  font-family: inherit;
}

.btn-voltar:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-border-strong);
  color: var(--color-text);
  text-decoration: none;
}

.btn-voltar-modal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--tap-min, 44px);
  height: var(--tap-min, 44px);
  min-width: var(--tap-min, 44px);
  padding: 0;
  background: var(--color-surface-hover);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  font-family: inherit;
}

.btn-voltar-modal svg {
  width: 18px;
  height: 18px;
}

.btn-voltar-modal:hover {
  background: var(--color-surface-muted);
  border-color: var(--color-border-strong);
}

/* ==========================================================================
   5. Prévia: sheet no mobile, diálogo em md+
   ========================================================================== */

.preview-modal {
  position: fixed;
  inset: 0;
  /* Acima do lightbox (--z-lightbox: 10000): a prévia pode ser aberta com o
     lightbox ainda montado. */
  z-index: 10001;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.preview-modal.active {
  opacity: 1;
  visibility: visible;
}

.preview-modal-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--color-scrim);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  cursor: pointer;
}

.preview-modal-content {
  position: relative;
  z-index: 1;
  background: var(--color-bg-card);
  width: 100%;
  max-width: 1200px;
  max-height: var(--sheet-max-height, 88dvh);
  margin: 0;
  border: 1px solid var(--color-border);
  border-bottom: 0;
  border-start-start-radius: var(--sheet-radius, 30px);
  border-start-end-radius: var(--sheet-radius, 30px);
  box-shadow: var(--shadow-sheet, 0 -12px 48px rgba(0, 0, 0, 0.45));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(100%);
  transition: transform var(--transition-sheet, 320ms cubic-bezier(0.05, 0.7, 0.1, 1));
}

.preview-modal.active .preview-modal-content {
  transform: translateY(0);
}

/* Pega de arrastar: só faz sentido enquanto o diálogo é sheet (abaixo de md). */
.preview-modal-handle {
  flex: 0 0 auto;
  width: 40px;
  height: 4px;
  margin: 10px auto 0;
  border-radius: var(--radius-full);
  background: var(--color-border-strong);
}

.preview-modal-header {
  flex: 0 0 auto;
  padding: var(--space-fluid-sm, 1rem) var(--space-fluid-md, 1.5rem);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-fluid-2xs, 0.5rem);
  background: var(--color-bg-card);
}

.maisbook-page .preview-modal-header h2 {
  font-size: var(--font-size-fluid-xl, 1.25rem);
  font-weight: var(--font-weight-bold, 700);
  color: var(--color-text);
  letter-spacing: var(--letter-spacing-tight);
  margin: 0;
}

.preview-modal-close {
  width: var(--tap-min, 44px);
  height: var(--tap-min, 44px);
  flex: 0 0 auto;
  border: none;
  background: var(--color-primary-muted);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition-fast);
  color: var(--color-primary);
}

.preview-modal-close:hover {
  background: var(--color-primary-border);
}

.preview-modal-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding: var(--space-fluid-md, 1.5rem);
}

.preview-modal-footer {
  flex: 0 0 auto;
  padding: var(--space-fluid-sm, 1rem) var(--space-fluid-md, 1.5rem);
  padding-bottom: calc(var(--space-fluid-sm, 1rem) + var(--safe-bottom, 0px));
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-fluid-2xs, 0.75rem);
  background: var(--color-bg-card);
}

.preview-modal-footer .btn-clear,
.preview-modal-footer .btn-confirm {
  min-width: 120px;
  padding: 11px 18px;
  font-size: var(--font-size-sm);
}

/* Em md+ a prévia volta a ser diálogo centrado. */
@media (min-width: 768px) {
  .preview-modal {
    align-items: center;
  }

  .preview-modal-handle {
    display: none;
  }

  .preview-modal-content {
    width: calc(100% - var(--space-fluid-xl, 3rem));
    max-height: 90vh;
    max-height: min(90dvh, 900px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transform: translateY(16px) scale(0.985);
  }

  .preview-modal.active .preview-modal-content {
    transform: translateY(0) scale(1);
  }

  .preview-modal-footer {
    padding-bottom: var(--space-fluid-sm, 1rem);
  }
}

/* ==========================================================================
   6. Grade da prévia
   ========================================================================== */

.preview-folder-section {
  margin-bottom: var(--space-fluid-xl, 3rem);
}

.preview-folder-section:last-child {
  margin-bottom: 0;
}

.preview-folder-header {
  margin-bottom: var(--space-fluid-sm, 1.25rem);
  padding-bottom: var(--space-fluid-2xs, 0.75rem);
  border-bottom: 1px solid var(--color-border);
}

.maisbook-page .preview-folder-title {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
  font-size: var(--font-size-fluid-lg, 1.125rem);
  font-weight: var(--font-weight-bold, 700);
  color: var(--color-text);
  margin: 0;
}

.maisbook-page .preview-folder-count {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium, 500);
  color: var(--color-text-muted);
  margin-left: 0;
}

.preview-folder-grid {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 12px;
  padding: var(--space-fluid-sm, 1rem) 0 0 0;
  justify-content: flex-start;
  align-items: stretch;
  align-content: center;
}

.preview-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: default;
  background: var(--color-bg-card);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-normal);
  border: 3px solid transparent;
  display: grid;
  width: calc((100% - (12px * 3)) / 4);
  line-height: 0;
  pointer-events: auto;
  align-content: center;
}

.preview-item img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  background: var(--color-bg-soft);
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  -webkit-user-drag: none;
  user-drag: none;
  pointer-events: none;
  -webkit-touch-callout: none;
  transition: transform var(--transition-normal);
  transform: scale(1.02);
}

.preview-item.horizontal {
  width: calc(((100% - (12px * 3)) / 4) * 2 + 12px);
}

.preview-item-number {
  position: absolute;
  top: 10px;
  left: 10px;
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  color: #fff;
  border: 2px solid #fff;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold, 700);
  font-size: var(--font-size-sm);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  z-index: 10;
}

@media (min-width: 1400px) {
  .preview-item {
    width: calc((100% - (12px * 4)) / 5);
  }

  .preview-item.horizontal {
    width: calc(((100% - (12px * 4)) / 5) * 2 + 12px);
  }
}

@media (min-width: 1024px) and (max-width: 1399px) {
  .preview-item {
    width: calc((100% - (12px * 3)) / 4);
  }

  .preview-item.horizontal {
    width: calc(((100% - (12px * 3)) / 4) * 2 + 12px);
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .preview-folder-grid {
    gap: 10px;
  }

  .preview-item {
    width: calc((100% - (10px * 2)) / 3);
  }

  .preview-item.horizontal {
    width: calc(((100% - (10px * 2)) / 3) * 2 + 10px);
  }
}

/* ==========================================================================
   7. Seleção incompleta
   ========================================================================== */

.selecao-incompleta-banner {
  margin-bottom: var(--space-fluid-md, 1.5rem);
  padding: var(--space-fluid-xs, 0.875rem) var(--space-fluid-sm, 1.125rem);
  background: var(--color-warning-muted);
  border: 1px solid var(--color-warning-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.selecao-incompleta-banner svg {
  flex-shrink: 0;
  color: var(--color-warning);
  margin-top: 2px;
}

.maisbook-page .selecao-incompleta-banner p {
  margin: 0;
  color: var(--color-text);
  font-size: var(--font-size-fluid-sm, 0.9375rem);
  line-height: var(--line-height-normal);
}

.maisbook-page .selecao-incompleta-banner strong {
  color: var(--color-warning);
}

.selecao-incompleta-body {
  text-align: center;
}

.selecao-incompleta-aviso {
  max-width: 44ch;
  margin: 0 auto;
  padding: var(--space-fluid-2xs, 0.5rem) 0;
}

.maisbook-page .selecao-incompleta-aviso p {
  margin: 0 0 12px 0;
  color: var(--color-text);
  font-size: var(--font-size-fluid-base, 1rem);
  line-height: var(--line-height-normal);
}

.maisbook-page .selecao-incompleta-aviso p:last-child {
  margin-bottom: 0;
}

.maisbook-page .selecao-incompleta-aviso strong {
  color: var(--color-primary);
}

.maisbook-page .selecao-incompleta-sub {
  color: var(--color-text-muted) !important;
  font-size: var(--font-size-fluid-sm, 0.9375rem) !important;
}

#preview-incompleto-modal .preview-modal-footer .btn-voltar-modal {
  width: auto;
  min-width: 160px;
  height: auto;
  min-height: var(--tap-min, 44px);
  padding: 11px 20px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold, 600);
}

#preview-incompleto-modal .preview-modal-footer .btn-voltar-modal svg {
  display: none;
}

/* ==========================================================================
   8. Responsivo
   ========================================================================== */

@media (max-width: 767px) {
  /* Respiro interno nos botões — a barra/sheet continua encostada no rodapé. */
  .selecao-page {
    --sheet-bottom-inset: calc(var(--space-fluid-md, 1.5rem) * 5);
    --sheet-max-height: min(92dvh, calc(100dvh - var(--safe-top, 0px) - 8px));
  }

  .selecao-page .action-bar {
    padding-bottom: calc(var(--sheet-bottom-inset) + var(--safe-bottom, 0px));
  }

  .selecao-page .gallery-folder-section:last-child .gallery-grid {
    padding-bottom: calc(
      var(--actionbar-height, 68px) + var(--sheet-bottom-inset) + var(--space-fluid-md, 1.5rem) + var(--safe-bottom, 0px)
    );
  }

  .selecao-page .preview-modal-footer {
    padding-bottom: calc(var(--sheet-bottom-inset) + var(--safe-bottom, 0px));
  }

  .selecao-page #preview-modal .preview-modal-content {
    min-height: min(68dvh, calc(100dvh - var(--safe-top, 0px) - 48px));
  }

  .selecao-header {
    flex-direction: column;
    align-items: stretch;
  }

  .selecao-header .btn-voltar {
    align-self: flex-start;
    margin-bottom: var(--space-fluid-xs, 0.875rem);
  }

  .selecao-info {
    justify-content: flex-start;
  }

  .action-bar-content {
    flex-wrap: wrap;
    gap: var(--space-fluid-2xs, 0.625rem);
  }

  .action-bar-info {
    flex: 1 1 auto;
  }

  /* No celular a barra de progresso vira uma faixa fina no topo da barra. */
  .progress-bar-container {
    order: -1;
    flex: 1 1 100%;
    max-width: 100%;
    width: 100%;
  }

  .action-bar-buttons {
    flex: 0 0 auto;
  }

  .preview-folder-grid {
    gap: 8px;
  }

  .preview-item {
    width: calc((100% - 8px) / 2);
  }

  .preview-item.horizontal {
    width: 100%;
  }

  .preview-folder-section {
    margin-bottom: var(--space-fluid-lg, 2rem);
  }

  .preview-modal-footer .btn-clear,
  .preview-modal-footer .btn-confirm {
    flex: 1 1 0;
    min-width: 0;
  }
}

@media (max-width: 479px) {
  .action-bar-content {
    flex-direction: column;
    align-items: stretch;
  }

  .action-bar-info {
    justify-content: center;
  }

  .action-bar-buttons {
    width: 100%;
  }

  .action-bar-buttons > * {
    flex: 1 1 0;
    justify-content: center;
  }

  .preview-folder-grid {
    gap: 6px;
  }

  .preview-item {
    width: calc((100% - 6px) / 2);
    border-radius: var(--radius-sm);
    border-width: 2px;
  }

  .preview-item.horizontal {
    width: 100%;
  }

  .preview-item-number {
    width: 28px;
    height: 28px;
    font-size: var(--font-size-xs);
    top: 8px;
    left: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .action-bar,
  .preview-modal,
  .preview-modal-content,
  .btn-confirm,
  .btn-download {
    transition-duration: 1ms;
  }

  .preview-modal-content,
  .preview-modal.active .preview-modal-content {
    transform: none;
  }

  .galeria-empty {
    animation: none;
  }

  .btn-confirm:hover,
  .btn-download:hover {
    transform: none;
  }
}