/* --- BACKUP E EXPORTAÇÃO --- */

.backup-manager,
.export-manager {
  padding: 20px;
  background: var(--bg-primary);
  min-height: 100vh;
}

.backup-header,
.export-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--border-color);
}

.backup-header h3,
.export-header h3 {
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0;
}

.backup-actions {
  display: flex;
  gap: 10px;
}

/* --- CONFIGURAÇÕES --- */
.backup-settings,
.export-options {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 30px;
}

.backup-settings h4,
.export-section h4 {
  color: var(--text-primary);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 15px 0;
}

.settings-grid,
.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
}

.settings-grid label,
.options-grid label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.875rem;
  cursor: pointer;
}

.settings-grid input[type="checkbox"],
.options-grid input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
}

.settings-grid input[type="number"] {
  width: 80px;
  padding: 4px 8px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-primary);
  color: var(--text-primary);
  margin-left: 8px;
}

/* --- LISTA DE BACKUPS --- */
.backup-list {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
}

.backup-list h4 {
  color: var(--text-primary);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 20px 0;
}

.empty-state {
  text-align: center;
  color: var(--text-secondary);
  padding: 40px;
  font-style: italic;
}

.backup-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 10px;
  background: var(--bg-primary);
  transition: all 0.2s ease;
}

.backup-item:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.backup-info {
  flex: 1;
}

.backup-name {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 4px;
}

.backup-meta {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.backup-item .backup-actions {
  display: flex;
  gap: 8px;
}

/* --- EXPORTAÇÃO --- */
.export-section {
  margin-bottom: 25px;
}

.format-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
}

.format-grid button {
  padding: 15px;
  text-align: center;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.format-grid button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.export-preview {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
}

.export-preview h4 {
  color: var(--text-primary);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 20px 0;
}

.summary-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 4px;
}

.summary-collections {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.collection-tag {
  background: var(--primary);
  color: white;
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
  .backup-header,
  .export-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }
  
  .backup-actions {
    width: 100%;
    justify-content: space-between;
  }
  
  .settings-grid,
  .options-grid {
    grid-template-columns: 1fr;
  }
  
  .backup-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  
  .backup-item .backup-actions {
    width: 100%;
    justify-content: space-between;
  }
  
  .format-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .summary-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .backup-manager,
  .export-manager {
    padding: 15px;
  }
  
  .backup-settings,
  .export-options,
  .backup-list,
  .export-preview {
    padding: 15px;
  }
  
  .format-grid {
    grid-template-columns: 1fr;
  }
  
  .summary-stats {
    grid-template-columns: 1fr;
  }
}

/* --- ANIMAÇÕES --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.backup-item,
.export-section {
  animation: fadeInUp 0.5s ease forwards;
}

.backup-item:nth-child(1) { animation-delay: 0.1s; }
.backup-item:nth-child(2) { animation-delay: 0.2s; }
.backup-item:nth-child(3) { animation-delay: 0.3s; }
.backup-item:nth-child(4) { animation-delay: 0.4s; }

/* --- ESTADOS DE CARREGAMENTO --- */
.loading-backup,
.loading-export {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--text-secondary);
}

.loading-backup::after,
.loading-export::after {
  content: '';
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  margin-left: 10px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* --- INDICADORES DE ESTADO --- */
.backup-item.auto-backup {
  border-left: 4px solid var(--primary);
}

.backup-item.manual-backup {
  border-left: 4px solid #10b981;
}

.backup-item.corrupted {
  opacity: 0.5;
  border-left-color: #ef4444;
}

/* --- BOTÕES ESPECÍFICOS --- */
.btn-danger {
  background: #ef4444;
  color: white;
  border: none;
}

.btn-danger:hover {
  background: #dc2626;
}

.btn-success {
  background: #10b981;
  color: white;
  border: none;
}

.btn-success:hover {
  background: #059669;
}

/* --- DARK MODE --- */
@media (prefers-color-scheme: dark) {
  .backup-item.auto-backup {
    background: rgba(59, 130, 246, 0.1);
  }
  
  .backup-item.manual-backup {
    background: rgba(16, 185, 129, 0.1);
  }
  
  .backup-item.corrupted {
    background: rgba(239, 68, 68, 0.1);
  }
}

/* --- FOCUS E ACESSIBILIDADE --- */
.backup-item:focus,
.export-section button:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* --- TOOLTIPS --- */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-tooltip);
  color: var(--text-tooltip);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 1000;
}

.tooltip:hover::after {
  opacity: 1;
}