/* ============================================
   backup.css — Export / Import Backup styles
   ============================================ */

/* Header icon button */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  border: 1px solid var(--border-primary);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
  flex-shrink: 0;
}

.btn-icon:hover {
  border-color: var(--text-muted);
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

/* Overlay */
.backup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.backup-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: 12px;
  width: 100%;
  max-width: 520px;
  padding: 28px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  animation: fadeIn 0.2s ease;
}

.backup-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 28px;
  height: 28px;
  border-radius: 4px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.backup-close-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.backup-panel h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.backup-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.backup-last {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border-radius: 6px;
}

/* Action cards */
.backup-actions {
  display: flex;
  gap: 12px;
}

.backup-action-card {
  flex: 1;
  padding: 20px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: 10px;
  text-align: center;
  transition: border-color var(--transition-fast);
}

.backup-action-card:hover {
  border-color: var(--text-muted);
}

.backup-action-icon {
  color: var(--text-muted);
  margin-bottom: 12px;
}

.backup-action-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.backup-action-card p {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.backup-export-btn,
.backup-import-btn {
  padding: 8px 18px;
  border-radius: 6px;
  border: 1px solid var(--accent-blue);
  background: rgba(88, 166, 255, 0.12);
  color: var(--accent-blue);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.backup-export-btn:hover,
.backup-import-btn:hover {
  background: rgba(88, 166, 255, 0.25);
}

/* Responsive */
@media (max-width: 480px) {
  .backup-actions {
    flex-direction: column;
  }
}