/**
 * Coastline AI Designer™ — TASK-007
 * Design Your Vision — premium wizard experience
 */

.ai-designer-page {
  background: var(--color-bg-primary);
}

.ai-designer-page .site-header--solid {
  background-color: rgb(254 253 251 / 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--color-border-subtle);
}

.ai-designer-page .site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.ai-designer-page .site-header__utility {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.ai-designer-page .site-header__license {
  display: none;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

@media (min-width: 40rem) {
  .ai-designer-page .site-header__license {
    display: inline;
  }
}

.ai-designer-hero {
  padding-block: clamp(var(--space-12), 8vw, var(--space-20));
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
  border-bottom: 1px solid var(--color-border-subtle);
}

.ai-designer-hero__inner {
  max-width: 40rem;
}

.ai-designer-hero__title {
  font-family: var(--font-family-display);
  font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-4xl));
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
  margin-bottom: var(--space-4);
}

.ai-designer-hero__lead {
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.ai-designer-hero__notice {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
}

/* ─── Wizard shell ─── */

.ai-wizard {
  padding-block: var(--space-12) var(--space-20);
}

.ai-wizard__shell {
  max-width: 52rem;
  margin-inline: auto;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  box-shadow:
    0 1px 2px rgb(10 22 40 / 0.04),
    0 24px 48px rgb(10 22 40 / 0.06);
  overflow: hidden;
}

.ai-wizard__header {
  padding: var(--space-6) var(--space-8);
  border-bottom: 1px solid var(--color-border-subtle);
  background: var(--color-bg-secondary);
}

.ai-wizard__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.ai-wizard__label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-caps);
  text-transform: uppercase;
  color: var(--color-text-accent-warm);
}

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

.ai-wizard__progress {
  height: 3px;
  background: var(--color-border-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.ai-wizard__progress-fill {
  display: block;
  height: 100%;
  width: 12.5%;
  background: linear-gradient(90deg, var(--primitive-ocean-700), var(--primitive-gold-500));
  border-radius: inherit;
  transition: width 0.5s var(--ease-editorial);
}

.ai-wizard__body {
  padding: clamp(var(--space-8), 5vw, var(--space-12));
}

.ai-wizard__step {
  display: none;
}

.ai-wizard__step.is-active {
  display: block;
  animation: ai-step-in 0.45s var(--ease-editorial);
}

@keyframes ai-step-in {
  from {
    opacity: 0;
    transform: translateY(0.75rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ai-wizard__step.is-active {
    animation: none;
  }

  .ai-wizard__progress-fill {
    transition: none;
  }
}

.ai-wizard__heading {
  font-family: var(--font-family-display);
  font-size: var(--font-size-2xl);
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-2);
}

.ai-wizard__sub {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  line-height: var(--line-height-relaxed);
}

.ai-wizard__footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  padding: var(--space-6) var(--space-8);
  border-top: 1px solid var(--color-border-subtle);
  background: var(--color-bg-secondary);
}

/* ─── Step 1: Area grid ─── */

.ai-area-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

@media (min-width: 40rem) {
  .ai-area-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.ai-area-card {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-align: center;
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    border-color var(--duration-normal) var(--ease-default),
    background-color var(--duration-normal) var(--ease-default),
    box-shadow var(--duration-normal) var(--ease-default);
}

.ai-area-card:hover {
  border-color: var(--primitive-ocean-600);
}

.ai-area-card.is-selected {
  border-color: var(--color-interactive-primary);
  background: var(--color-bg-accent-subtle);
  box-shadow: 0 0 0 1px var(--color-interactive-primary);
}

/* ─── Step 2: Upload ─── */

.ai-upload {
  position: relative;
}

.ai-upload__zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  min-height: 14rem;
  padding: var(--space-8);
  text-align: center;
  border: 2px dashed var(--color-border-default);
  border-radius: var(--radius-lg);
  background: var(--color-bg-primary);
  cursor: pointer;
  transition: border-color var(--duration-normal) var(--ease-default);
}

.ai-upload__zone:hover,
.ai-upload__zone.is-dragover {
  border-color: var(--primitive-ocean-600);
  background: var(--color-bg-accent-subtle);
}

.ai-upload__zone.has-file {
  border-style: solid;
  border-color: var(--color-interactive-primary);
}

.ai-upload__icon {
  width: 2.5rem;
  height: 2.5rem;
  color: var(--color-text-accent-warm);
}

.ai-upload__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
}

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

.ai-upload__input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.ai-upload__preview {
  display: none;
  margin-top: var(--space-6);
  border-radius: var(--radius-md);
  overflow: hidden;
  max-height: 12rem;
}

.ai-upload__preview.is-visible {
  display: block;
}

.ai-upload__preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-height: 12rem;
}

/* ─── Step 3: Prompt ─── */

.ai-prompt {
  width: 100%;
  min-height: 8rem;
  padding: var(--space-4);
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  resize: vertical;
}

.ai-prompt:focus {
  outline: none;
  border-color: var(--color-interactive-primary);
  box-shadow: 0 0 0 3px rgb(26 74 92 / 0.12);
}

.ai-prompt__examples {
  margin-top: var(--space-6);
}

.ai-prompt__examples-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-caps);
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  margin-bottom: var(--space-3);
}

.ai-prompt__chip {
  display: inline-block;
  margin: 0 var(--space-2) var(--space-2) 0;
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  cursor: pointer;
}

.ai-prompt__chip:hover {
  border-color: var(--color-border-default);
  color: var(--color-text-primary);
}

/* ─── Step 4: Styles ─── */

.ai-style-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

@media (min-width: 40rem) {
  .ai-style-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.ai-style-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-4);
  text-align: left;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--duration-normal) var(--ease-default);
}

.ai-style-card__swatch {
  width: 100%;
  height: 2.5rem;
  border-radius: var(--radius-sm);
}

.ai-style-card__name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.ai-style-card:hover {
  border-color: var(--primitive-ocean-600);
}

.ai-style-card.is-selected {
  border-color: var(--color-interactive-primary);
  box-shadow: 0 0 0 1px var(--color-interactive-primary);
}

.ai-style-card__swatch--modern { background: linear-gradient(135deg, #e8e8e8, #2a2a2a); }
.ai-style-card__swatch--coastal { background: linear-gradient(135deg, #c5dce8, #f5f2ed 50%, #6aafc0); }
.ai-style-card__swatch--luxury { background: linear-gradient(135deg, #1a1a1a, #9a7a52); }
.ai-style-card__swatch--minimal { background: linear-gradient(135deg, #fafafa, #d4cec3); }
.ai-style-card__swatch--traditional { background: linear-gradient(135deg, #8b7355, #f5f0e8); }
.ai-style-card__swatch--mediterranean { background: linear-gradient(135deg, #c9a97e, #2d6b7e); }
.ai-style-card__swatch--contemporary { background: linear-gradient(135deg, #4a5568, #e2e8f0); }
.ai-style-card__swatch--farmhouse { background: linear-gradient(135deg, #f5f2ed, #5c574f); }
.ai-style-card__swatch--industrial { background: linear-gradient(135deg, #3d3d3d, #8a857d); }
.ai-style-card__swatch--warm-natural { background: linear-gradient(135deg, #d4cec3, #2d6a4f); }

/* ─── Step 5: Generating ─── */

.ai-generating {
  text-align: center;
  padding: var(--space-12) var(--space-4);
}

.ai-generating__spinner {
  width: 2.5rem;
  height: 2.5rem;
  margin: 0 auto var(--space-6);
  border: 2px solid var(--color-border-subtle);
  border-top-color: var(--primitive-ocean-700);
  border-radius: var(--radius-full);
  animation: ai-spin 1s linear infinite;
}

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

@media (prefers-reduced-motion: reduce) {
  .ai-generating__spinner {
    animation: none;
    border-top-color: var(--color-border-subtle);
  }
}

.ai-generating__tag {
  display: inline-block;
  margin-bottom: var(--space-4);
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-caps);
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-sm);
}

/* ─── Step 6: Protected preview ─── */

.ai-preview-zone {
  position: relative;
  user-select: none;
  -webkit-user-select: none;
}

.ai-preview-zone__frame {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--primitive-navy-900);
  max-width: 36rem;
  margin-inline: auto;
}

.ai-preview-zone__image {
  display: block;
  width: 100%;
  height: auto;
  max-height: 20rem;
  object-fit: cover;
  filter: blur(1px) saturate(0.92);
  transform: scale(1.02);
  pointer-events: none;
  -webkit-user-drag: none;
  user-drag: none;
}

.ai-preview-zone__concept {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgb(26 74 92 / 0.35) 0%,
    rgb(154 122 82 / 0.25) 50%,
    rgb(10 22 40 / 0.45) 100%
  );
  pointer-events: none;
}

.ai-preview-zone__watermark {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  overflow: hidden;
}

.ai-preview-zone__watermark span {
  position: absolute;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  color: rgb(255 255 255 / 0.22);
  white-space: nowrap;
  transform: rotate(-24deg);
}

.ai-preview-zone__watermark span:nth-child(1) { top: 15%; left: -10%; }
.ai-preview-zone__watermark span:nth-child(2) { top: 45%; left: 5%; }
.ai-preview-zone__watermark span:nth-child(3) { top: 75%; left: -5%; }

.ai-preview-zone__badge {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-4);
  right: var(--space-4);
  padding: var(--space-2) var(--space-3);
  font-size: 0.625rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-caps);
  text-transform: uppercase;
  text-align: center;
  color: rgb(255 255 255 / 0.9);
  background: rgb(10 22 40 / 0.75);
  border-radius: var(--radius-sm);
}

.ai-preview-zone__disclaimer {
  margin-top: var(--space-6);
  padding: var(--space-4);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
  border-left: 3px solid var(--primitive-gold-500);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.ai-preview-zone__future {
  margin-top: var(--space-3);
  font-size: var(--font-size-xs);
  font-style: italic;
  color: var(--color-text-tertiary);
}

.ai-preview-zone__actions {
  margin-top: var(--space-8);
  text-align: center;
}

/* ─── Step 7: Lead form ─── */

.ai-lead-form {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 40rem) {
  .ai-lead-form {
    grid-template-columns: repeat(2, 1fr);
  }

  .ai-lead-form__full {
    grid-column: 1 / -1;
  }
}

.ai-field label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.ai-field input,
.ai-field select,
.ai-field textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  background: var(--color-bg-primary);
}

.ai-field input:focus,
.ai-field select:focus {
  outline: none;
  border-color: var(--color-interactive-primary);
  box-shadow: 0 0 0 3px rgb(26 74 92 / 0.12);
}

.ai-field--checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.ai-field--checkbox input {
  width: auto;
  margin-top: 0.2rem;
}

.ai-field--checkbox label {
  margin-bottom: 0;
  font-weight: var(--font-weight-regular);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

/* ─── Step 8: Success ─── */

.ai-success {
  text-align: center;
  padding: var(--space-8) var(--space-4);
}

.ai-success__icon {
  width: 3rem;
  height: 3rem;
  margin: 0 auto var(--space-6);
  color: var(--primitive-success-600);
}

.ai-success__title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-4);
}

.ai-success__text {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  max-width: 28rem;
  margin-inline: auto;
}

.ai-success__future {
  margin-top: var(--space-6);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}