/* VeilForms Form Builder UX Enhancements */
/* Toast notifications, loading states, animations, and visual feedback */

/* =====================
   Toast Notifications
   ===================== */

.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 400px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  opacity: 0;
  transform: translateX(100px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: all;
  min-width: 300px;
}

.toast.show {
  opacity: 1;
  transform: translateX(0);
}

.toast-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.toast-message {
  flex: 1;
  font-size: 0.875rem;
  color: var(--text);
  line-height: 1.4;
}

.toast-close {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all 0.2s;
}

.toast-close:hover {
  background: var(--bg);
  color: var(--text);
}

/* Toast types */
.toast-success {
  border-left: 4px solid var(--success);
}

.toast-success .toast-icon {
  color: var(--success);
}

.toast-error {
  border-left: 4px solid var(--danger);
}

.toast-error .toast-icon {
  color: var(--danger);
}

.toast-warning {
  border-left: 4px solid var(--warning);
}

.toast-warning .toast-icon {
  color: var(--warning);
}

.toast-info {
  border-left: 4px solid var(--primary);
}

.toast-info .toast-icon {
  color: var(--primary);
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .toast-container {
    left: 10px;
    right: 10px;
    top: 10px;
    max-width: none;
  }

  .toast {
    min-width: 0;
  }
}

/* =====================
   Loading States
   ===================== */

.builder-loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  color: var(--text-muted);
  gap: 16px;
}

.builder-loading-state .spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.builder-loading-state p {
  margin: 0;
  font-size: 0.875rem;
}

/* Button spinner */
.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
  margin-right: 8px;
}

/* =====================
   Keyboard Shortcuts Hint
   ===================== */

.keyboard-shortcuts-hint {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  max-width: 280px;
  z-index: 100;
  animation: slideInUp 0.3s ease-out;
}

.keyboard-shortcuts-hint.fade-out {
  animation: fadeOut 0.3s ease-out forwards;
}

.shortcuts-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.shortcuts-header strong {
  font-size: 0.875rem;
  color: var(--text);
}

.shortcuts-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all 0.2s;
}

.shortcuts-close:hover {
  background: var(--bg);
  color: var(--text);
}

.shortcuts-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.shortcut-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  gap: 12px;
}

.shortcut-item kbd {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.shortcut-item span {
  color: var(--text-muted);
}

/* =====================
   Enhanced Empty State
   ===================== */

.dropzone-hint {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.dropzone-hint svg {
  margin-bottom: 16px;
  opacity: 0.6;
}

.dropzone-hint p {
  margin: 0;
  font-size: 0.875rem;
}

.dropzone-hint .hint-sub {
  font-size: 0.75rem;
  margin-top: 4px;
  opacity: 0.8;
}

/* =====================
   Drag and Drop Visual Feedback
   ===================== */

.canvas-dropzone.drag-over {
  background: var(--primary-light);
  border-color: var(--primary);
}

.canvas-dropzone.drag-over .dropzone-hint {
  color: var(--primary);
}

.field-type-btn.dragging {
  opacity: 0.5;
  transform: scale(0.95);
}

.form-field-item.dragging {
  opacity: 0.5;
  transform: scale(0.98);
}

.drag-placeholder {
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
  margin: 8px 0;
  animation: pulse 1s ease-in-out infinite;
}

/* =====================
   Field Selection & Hover
   ===================== */

.form-field-item {
  transition: all 0.2s ease;
}

.form-field-item:hover {
  border-color: var(--primary-light);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transform: translateY(-1px);
}

.form-field-item.selected {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-field-item.selected .field-drag-handle {
  color: var(--primary);
}

/* =====================
   Field Add/Remove Animations
   ===================== */

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

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

/* Add animation when fields are added */
.form-field-item {
  animation: slideInUp 0.3s ease-out;
}

/* =====================
   Confirmation Dialog Enhancements
   ===================== */

.confirm-dialog .modal-content {
  animation: slideInUp 0.3s ease-out;
}

.confirm-dialog .modal-backdrop {
  animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* =====================
   Enhanced Button States
   ===================== */

#save-form-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

#save-form-btn .btn-spinner {
  border-color: currentColor;
  border-top-color: transparent;
}

/* =====================
   Property Panel Animations
   ===================== */

.field-properties {
  animation: slideInRight 0.3s ease-out;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* =====================
   Field Type Button Hover
   ===================== */

.field-type-btn {
  transition: all 0.2s ease;
}

.field-type-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.field-type-btn:active {
  transform: translateY(0);
}

/* =====================
   Enhanced Dropzone States
   ===================== */

.canvas-dropzone.has-fields .dropzone-hint {
  display: none;
}

/* =====================
   Responsive Adjustments
   ===================== */

@media (max-width: 768px) {
  .keyboard-shortcuts-hint {
    bottom: 12px;
    right: 12px;
    left: 12px;
    max-width: none;
  }
}

/* =====================
   Accessibility Improvements
   ===================== */

.toast:focus-within,
.confirm-dialog .modal-content:focus-within {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .toast {
    border-width: 2px;
  }

  .form-field-item.selected {
    border-width: 3px;
  }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .toast,
  .form-field-item,
  .field-type-btn,
  .keyboard-shortcuts-hint,
  .confirm-dialog .modal-content {
    animation: none;
    transition: none;
  }

  .spinner,
  .btn-spinner {
    animation: none;
  }
}