/* ============================================================
 * AI Design Modal
 * Follows the proven modal pattern from modals.css / copy-dialog.
 * Uses theme variables for light/dark compliance (Rule 10).
 * z-index: 9999 to match other modals.
 * ============================================================ */

/* Overlay — matches .copy-dialog-overlay / .modal pattern */
.ai-design-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6); /* light-mode: intentional — overlay must stay dark */
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Modal Container — glass background with sufficient opacity for readability */
.ai-design-modal {
  background: var(--color-glass-light);
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-2xl);
  max-width: 520px;
  width: 90%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  -webkit-backdrop-filter: blur(40px);
  backdrop-filter: blur(40px);
  overflow: hidden;
  box-shadow: 0 var(--space-2xl) var(--space-4xl) rgba(0, 0, 0, var(--opacity-medium));
}

/* Dark mode: glass-light is too transparent for modals — use solid dark background */
/* Dark is the default theme (no data-theme attribute), so target :root without [data-theme] */
:root:not([data-theme]) .ai-design-modal,
[data-theme="dark"] .ai-design-modal {
  background: rgba(20, 20, 35, 0.92); /* dark-mode: intentional — modal needs solid background for readability */
}

/* Header */
.ai-design-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border-subtle);
}

.ai-design-title {
  font-size: var(--font-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.ai-design-close {
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: var(--font-2xl);
  cursor: pointer;
  padding: var(--space-xs);
  line-height: 1;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.ai-design-close:hover {
  opacity: 1;
}

/* Step Indicator */
.ai-design-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-lg);
  gap: var(--space-xs);
}

.ai-step-dot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.ai-step-num {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-xs);
  font-weight: var(--font-semibold);
  background: var(--color-glass-subtle);
  color: var(--color-text-secondary);
  transition: all 0.2s;
}

.ai-step-dot.active .ai-step-num {
  background: var(--color-primary);
  color: #ffffff;
}

.ai-step-dot.completed .ai-step-num {
  background: var(--color-success);
  color: #ffffff;
}

.ai-step-label {
  font-size: var(--font-xs);
  color: var(--color-text-tertiary);
}

.ai-step-dot.active .ai-step-label {
  color: var(--color-text-primary);
}

.ai-step-line {
  flex: 1;
  height: 1px;
  background: var(--color-border-subtle);
  margin-bottom: var(--space-lg);
  max-width: 40px;
}

/* Body */
.ai-design-body {
  padding: var(--space-md) var(--space-lg);
  flex: 1;
  overflow-y: auto;
}

.ai-design-prompt {
  font-size: var(--font-sm);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-md) 0;
  text-align: center;
}

/* Selection Cards (Mood & Style) */
.ai-design-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.ai-design-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-md) var(--space-sm);
  background: var(--color-glass-subtle);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.2s;
  color: var(--color-text-primary);
}

.ai-design-card:hover {
  background: var(--color-glass-light);
  border-color: var(--color-border-medium);
}

.ai-design-card.selected {
  background: var(--color-glass-light);
  border-color: var(--color-primary);
}

.ai-card-icon {
  font-size: var(--font-2xl);
}

.ai-card-label {
  font-size: var(--font-sm);
  font-weight: var(--font-semibold);
}

.ai-card-desc {
  font-size: var(--font-xs);
  color: var(--color-text-secondary);
  text-align: center;
}

/* Color Options (Step 3) */
.ai-design-color-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.ai-design-color-option {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-glass-subtle);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.2s;
  color: var(--color-text-primary);
  text-align: left;
  width: 100%;
}

.ai-design-color-option:hover:not(:disabled) {
  background: var(--color-glass-light);
}

.ai-design-color-option.selected {
  background: var(--color-glass-light);
  border-color: var(--color-primary);
}

.ai-design-color-option.disabled-option {
  opacity: 0.4;
  cursor: not-allowed;
}

.ai-color-icon {
  font-size: var(--font-lg);
  width: 28px;
  text-align: center;
}

.ai-color-label {
  font-size: var(--font-sm);
  font-weight: var(--font-medium);
}

/* Custom Color Pickers */
.ai-design-custom-colors {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  margin-top: var(--space-md);
}

.ai-custom-color-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.ai-custom-color-label {
  font-size: var(--font-xs);
  color: var(--color-text-secondary);
}

.ai-custom-color-input {
  width: 48px;
  height: 36px;
  border: 2px solid var(--color-border-medium);
  border-radius: var(--radius-md);
  cursor: pointer;
  background: transparent;
  padding: 0;
}

/* Generate Step — Summary */
.ai-design-summary {
  text-align: center;
}

.ai-design-summary-items {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-md);
}

.ai-summary-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.ai-summary-label {
  font-size: var(--font-xs);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ai-summary-value {
  font-size: var(--font-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
  text-transform: capitalize;
}

/* Freehand text input */
.ai-design-freehand {
  margin-top: var(--space-lg);
  text-align: left;
}

.ai-freehand-label {
  display: block;
  font-size: var(--font-xs);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.ai-freehand-input {
  width: 100%;
  background: var(--color-glass-subtle);
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--font-sm);
  padding: var(--space-sm);
  resize: vertical;
  font-family: inherit;
}

.ai-freehand-input::placeholder {
  color: var(--color-text-tertiary);
}

.ai-freehand-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* Generating State */
.ai-design-generating {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl) 0;
  gap: var(--space-md);
}

.ai-design-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border-medium);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: ai-spin 0.8s linear infinite;
}

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

.ai-design-generating-text {
  font-size: var(--font-sm);
  color: var(--color-text-secondary);
}

/* Preview */
.ai-design-preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.ai-design-preview-image-container {
  width: 100%;
  max-height: 300px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-medium);
}

.ai-design-preview-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  max-height: 300px;
}

.ai-design-preview-actions {
  display: flex;
  gap: var(--space-sm);
}

/* Footer */
.ai-design-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-border-subtle);
}

/* Responsive — tablet and narrow iframe viewports */
@media (max-width: 600px) {
  .ai-design-modal {
    border-radius: var(--radius-lg);
    max-height: 90vh;
  }

  .ai-design-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .ai-design-header {
    padding: var(--space-sm) var(--space-md);
  }

  .ai-design-body {
    padding: var(--space-sm) var(--space-md);
  }

  .ai-design-footer {
    padding: var(--space-sm) var(--space-md);
  }

  .ai-design-steps {
    padding: var(--space-sm) var(--space-md);
  }

  .ai-design-preview-image-container {
    max-height: 200px;
  }

  .ai-design-preview-image {
    max-height: 200px;
  }
}