:root {
  --ui-bg: #EEF2F7;
  --ui-panel: #FFFFFF;
  --ui-panel-soft: #F8FAFC;
  --ui-border: rgba(15, 23, 42, 0.1);
  --ui-border-strong: rgba(15, 23, 42, 0.22);
  --ui-text: #334155;
  --ui-muted: rgba(51, 65, 85, 0.65);
  --ui-heading: #0F172A;
  --ui-accent: #6366F1;
  --ui-accent-hover: #4F46E5;
  --ui-accent-soft: rgba(99, 102, 241, 0.1);
  --ui-success: #0F9F6E;
  --ui-danger: #B42318;
  --ui-warning: #D97706;
  --ui-shadow: 0 24px 60px rgba(15, 23, 42, 0.07);

  --preview-primary: #6366F1;
  --preview-secondary: #4F46E5;
  --preview-accent: #F59E0B;
  --preview-bg: #F8FAFC;
  --preview-text: #0F172A;
  --preview-surface: #FFFFFF;
  --preview-muted: rgba(15, 23, 42, 0.6);
  --preview-display-font: "Inter", sans-serif;
  --preview-body-font: "Inter", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(99, 102, 241, 0.07) 0%, transparent 30%),
    radial-gradient(circle at bottom right, rgba(99, 102, 241, 0.05) 0%, transparent 25%),
    linear-gradient(180deg, #F8FAFF 0%, #EEF2FF 100%);
  color: var(--ui-text);
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
  min-height: 44px;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--ui-border);
  border-radius: 14px;
  background: #fff;
  color: var(--ui-text);
  padding: 14px 16px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

textarea {
  resize: vertical;
  min-height: 120px;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--ui-accent);
  box-shadow: 0 0 0 4px var(--ui-accent-soft);
}

.hidden {
  display: none !important;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(380px, 520px) minmax(0, 1fr);
  min-height: 100vh;
}

.builder-panel {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: rgba(248, 250, 255, 0.96);
  border-right: 1px solid rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(18px);
}

.builder-header {
  padding: 8px 14px 6px;
  border-bottom: 1px solid rgba(99, 102, 241, 0.18);
  background: linear-gradient(180deg, #0F172A 0%, #0D1117 100%);
  position: sticky;
  top: 0;
  z-index: 20;
}

.builder-header__top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.builder-brand h1 {
  margin: 0;
  font-family: "Inter", sans-serif;
  font-size: clamp(1rem, 1.2vw, 1.2rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
  color: #FFFFFF;
}

.builder-intro,
.step-header p,
.suggestion-header p,
.section-card__header p,
.preview-toolbar span,
.review-section p,
.empty-review,
.export-box p,
.step-kicker {
  color: var(--ui-muted);
}

.builder-header .builder-intro,
.builder-header #stepIndicator,
.builder-header #saveStatus {
  color: rgba(248, 250, 255, 0.6);
}

.eyebrow,
.step-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow {
  color: var(--ui-accent);
}

.builder-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  justify-content: flex-end;
}

.progress-row {
  margin-top: 6px;
}

.progress-track {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: rgba(248, 250, 255, 0.1);
  overflow: hidden;
}

.progress-fill {
  width: 12.5%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #6366F1 0%, #818CF8 100%);
  transition: width 0.28s ease;
}

.progress-meta {
  margin-top: 4px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.62rem;
  font-weight: 600;
  color: rgba(248, 250, 255, 0.65);
}

.step-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  margin-top: 6px;
}

.step-tab {
  border: 1px solid rgba(248, 250, 255, 0.12);
  background: rgba(248, 250, 255, 0.06);
  color: rgba(248, 250, 255, 0.7);
  border-radius: 999px;
  padding: 5px 7px;
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  transition: all 0.2s ease;
}

.step-tab.active {
  color: #ffffff;
  background: linear-gradient(135deg, #6366F1 0%, #818CF8 100%);
  border-color: transparent;
  box-shadow: 0 10px 22px rgba(99, 102, 241, 0.32);
}

.builder-content {
  flex: 1;
  overflow-y: auto;
  padding: 28px;
}

.wizard-step {
  display: none;
  animation: step-fade 0.24s ease;
}

.wizard-step.active {
  display: block;
}

@keyframes step-fade {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

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

.step-header {
  margin-bottom: 24px;
}

.step-header h2 {
  margin: 10px 0 8px;
  font-family: "Inter", sans-serif;
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ui-heading);
}

.field-grid {
  display: grid;
  gap: 16px;
}

.field-grid.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.input-group {
  margin-bottom: 22px;
}

.input-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ui-heading);
}

.optional-label {
  font-size: 0.72em;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--ui-muted);
}

.inline-action-field,
.stacked-action-field {
  position: relative;
}

.inline-action-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.stacked-action-field textarea {
  padding-bottom: 58px;
}

.ai-btn {
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  background: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%);
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: 0 12px 26px rgba(99, 102, 241, 0.22);
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.ai-btn:hover,
.primary-btn:hover,
.ghost-btn:hover,
.step-tab:hover {
  transform: translateY(-1px);
}

.ai-btn--inline {
  position: absolute;
  right: 10px;
  bottom: 10px;
}

.primary-btn,
.ghost-btn {
  border-radius: 12px;
  padding: 7px 10px;
  font-size: 0.68rem;
  font-weight: 700;
  transition: all 0.2s ease;
}

.primary-btn {
  border: none;
  background: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%);
  color: #ffffff;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: 0 12px 28px rgba(99, 102, 241, 0.24);
}

.primary-btn--wide {
  width: 100%;
  justify-content: center;
}

.ghost-btn {
  border: 1px solid var(--ui-border);
  background: rgba(248, 250, 255, 0.06);
  color: inherit;
}

.ghost-btn--danger {
  color: #f87171;
}

.builder-header .ghost-btn {
  border-color: rgba(248, 250, 255, 0.14);
  background: rgba(248, 250, 255, 0.06);
  color: rgba(248, 250, 255, 0.85);
}

.builder-header .ghost-btn--danger {
  color: #f87171;
}

.builder-header .mobile-preview-btn {
  box-shadow: none;
}

.mobile-preview-btn {
  display: none;
}

.preview-close-btn {
  display: none;
}

.builder-footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 28px 28px;
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(248, 250, 255, 0.94);
}

.builder-footer > * {
  flex: 1;
}

.suggestion-shell,
.section-card,
.export-box,
.type-sample,
.review-content {
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 22px;
  background: linear-gradient(180deg, #ffffff 0%, #F5F7FF 100%);
  box-shadow: var(--ui-shadow);
}

.suggestion-shell,
.section-card,
.export-box,
.type-sample {
  padding: 20px;
}

.suggestion-header,
.section-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
}

.suggestion-header h3,
.section-card__header h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  color: var(--ui-heading);
}

.suggestion-panel {
  margin-top: 16px;
  padding: 16px;
  border-radius: 18px;
  border: 1px dashed rgba(99, 102, 241, 0.24);
  background: rgba(99, 102, 241, 0.04);
  line-height: 1.65;
}

.suggestion-panel--placeholder {
  color: var(--ui-muted);
}

.suggestion-panel h4,
.review-section h3 {
  margin: 0 0 10px;
  color: var(--ui-heading);
}

.suggestion-panel p:last-child,
.review-section p:last-child {
  margin-bottom: 0;
}

.suggestion-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.chip-group,
.checkbox-grid,
.radio-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.chip,
.check-card,
.radio-card,
.style-card {
  border: 1px solid var(--ui-border);
  background: #fff;
  border-radius: 18px;
  transition: all 0.2s ease;
}

.chip {
  padding: 11px 16px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ui-muted);
}

.chip.active {
  border-color: transparent;
  color: #ffffff;
  background: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%);
  box-shadow: 0 8px 18px rgba(99, 102, 241, 0.28);
}

.style-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.style-card {
  padding: 18px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.style-card strong {
  font-size: 1rem;
  color: var(--ui-heading);
}

.style-card span {
  color: var(--ui-muted);
  line-height: 1.45;
}

.style-card.active {
  border-color: transparent;
  background: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%);
  box-shadow: 0 14px 28px rgba(99, 102, 241, 0.28);
  color: #ffffff;
}

.style-card.active strong {
  color: #ffffff;
}

.style-card.active span {
  color: rgba(255, 255, 255, 0.75);
}

.radio-card:has(input:checked),
.check-card:has(input:checked) {
  border-color: rgba(99, 102, 241, 0.22);
  background: rgba(99, 102, 241, 0.06);
  box-shadow: 0 14px 28px rgba(99, 102, 241, 0.08);
}

.radio-card,
.check-card {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  min-width: 180px;
}

.radio-card input,
.check-card input {
  width: auto;
  margin: 0;
}

.palette-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.palette-card {
  padding: 18px;
  border-radius: 20px;
  background: linear-gradient(180deg, #ffffff 0%, #f7f9fd 100%);
  border: 1px solid rgba(191, 201, 222, 0.7);
  box-shadow: var(--ui-shadow);
}

.palette-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}

.palette-top label {
  margin: 0;
  font-weight: 700;
  color: var(--ui-heading);
}

.hex-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ui-muted);
}

.color-input {
  appearance: none;
  height: 54px;
  padding: 0;
  border-radius: 16px;
  overflow: hidden;
  background: transparent;
}

.color-input::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-input::-webkit-color-swatch {
  border: none;
  border-radius: 16px;
}

.palette-card input[type="text"],
.palette-card textarea {
  margin-top: 12px;
}

.mini-suggestion {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(15, 159, 110, 0.08);
  border: 1px solid rgba(15, 159, 110, 0.16);
  color: #067647;
  font-size: 0.9rem;
  line-height: 1.55;
}

.mini-suggestion button {
  margin-top: 10px;
}

.type-sample {
  margin-top: 20px;
}

.type-sample h3 {
  margin: 0 0 10px;
  font-size: 2rem;
}

.type-sample p {
  margin: 0 0 10px;
  line-height: 1.75;
}

.type-sample span {
  font-size: 0.88rem;
  color: var(--ui-muted);
}

.repeater-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.repeater-item {
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  padding: 14px;
  border: 1px solid rgba(191, 201, 222, 0.7);
  border-radius: 16px;
  background: #fff;
}

.repeater-item--double {
  grid-template-columns: repeat(2, minmax(0, 1fr)) auto;
}

.repeater-item input,
.repeater-item textarea {
  min-width: 0;
}

.remove-btn {
  align-self: stretch;
  min-width: 44px;
  border-radius: 12px;
  border: 1px solid rgba(180, 35, 24, 0.18);
  background: rgba(180, 35, 24, 0.06);
  color: var(--ui-danger);
  font-weight: 800;
}

.advanced-panel {
  margin-top: 22px;
  border: 1px solid rgba(191, 201, 222, 0.72);
  border-radius: 22px;
  background: #fff;
  box-shadow: var(--ui-shadow);
  overflow: hidden;
}

.advanced-panel summary {
  padding: 18px 20px;
  font-weight: 700;
  cursor: pointer;
  color: var(--ui-heading);
  background: linear-gradient(180deg, #ffffff 0%, #fafcff 100%);
}

.advanced-panel[open] summary {
  border-bottom: 1px solid rgba(191, 201, 222, 0.72);
}

.advanced-panel > *:not(summary) {
  padding: 0 20px 20px;
}

.review-content {
  padding: 20px;
}

.review-section + .review-section {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(191, 201, 222, 0.55);
}

.review-section ul {
  margin: 10px 0 0 18px;
  color: var(--ui-text);
  line-height: 1.7;
}

.review-section li + li {
  margin-top: 6px;
}

.review-pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.review-pill {
  display: inline-flex;
  align-items: center;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(99, 102, 241, 0.08);
  color: var(--ui-accent);
  font-size: 0.87rem;
  font-weight: 700;
}

.export-box {
  margin-top: 22px;
  text-align: center;
}

.draft-banner {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(15, 159, 110, 0.08);
  border: 1px solid rgba(15, 159, 110, 0.18);
  font-size: 0.9rem;
  font-weight: 600;
}

.preview-panel {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 100vh;
  overflow-y: auto;
}

.preview-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-radius: 20px;
  background: rgba(248, 250, 255, 0.92);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: var(--ui-shadow);
}

.preview-toolbar__actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.preview-toolbar strong {
  display: block;
  margin-bottom: 3px;
  color: var(--ui-heading);
}

.live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(15, 159, 110, 0.08);
  color: var(--ui-success);
  font-size: 0.88rem;
  font-weight: 700;
}

.live-indicator::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 1.7s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(0.8);
    opacity: 0.65;
  }

  50% {
    transform: scale(1);
    opacity: 1;
  }

  100% {
    transform: scale(0.8);
    opacity: 0.65;
  }
}

.preview-stage {
  flex: 1;
  min-height: 0;
}

.preview-site {
  border-radius: 28px;
  background: var(--preview-bg);
  color: var(--preview-text);
  box-shadow: 0 28px 80px rgba(15, 23, 42, 0.14);
  overflow: hidden;
  min-height: calc(100vh - 130px);
  font-family: var(--preview-body-font);
}

.preview-site h1,
.preview-site h2,
.preview-site h3,
.preview-brand,
.preview-hero__eyebrow {
  font-family: var(--preview-display-font);
}

.preview-site.layout-contained .preview-shell {
  max-width: 1080px;
  margin: 0 auto;
}

.preview-site.layout-wide .preview-shell {
  max-width: 1320px;
  margin: 0 auto;
}

.preview-site.layout-asymmetric .preview-hero {
  grid-template-columns: 1.2fr 0.8fr;
}

.preview-site.style-elegant .preview-hero__headline {
  font-size: clamp(2.8rem, 5vw, 5.3rem);
  line-height: 0.98;
}

.preview-site.style-bold .preview-hero__panel,
.preview-site.style-creative .preview-hero__panel {
  transform: translateY(-18px);
}

.preview-site.style-playful .preview-hero__panel,
.preview-site.style-playful .preview-card,
.preview-site.style-playful .preview-proof-card {
  border-radius: 28px;
}

.preview-site.style-professional .preview-navbar,
.preview-site.style-professional .preview-footer {
  background: rgba(255, 255, 255, 0.86);
}

.preview-site.style-modern .preview-hero__panel {
  background: rgba(255, 255, 255, 0.72);
}

.preview-site.style-creative .preview-hero__badge {
  background: color-mix(in srgb, var(--preview-accent) 22%, #ffffff);
}

.preview-shell {
  padding: 24px;
}

.preview-navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 16px 20px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.45);
}

.preview-brand {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--preview-primary);
}

.preview-navlinks {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  color: var(--preview-muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.preview-btn,
.preview-btn--ghost {
  border-radius: 999px;
  padding: 12px 18px;
  font-size: 0.9rem;
  font-weight: 700;
}

.preview-btn {
  border: none;
  background: var(--preview-primary);
  color: #fff;
}

.preview-btn--ghost {
  border: 1px solid color-mix(in srgb, var(--preview-secondary) 28%, #ffffff);
  color: var(--preview-secondary);
  background: rgba(255, 255, 255, 0.55);
}

.preview-hero {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-top: 22px;
  align-items: stretch;
}

.preview-hero__content,
.preview-hero__panel {
  padding: 32px;
  border-radius: 30px;
}

.preview-hero__content {
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--preview-accent) 18%, transparent) 0%, transparent 36%),
    linear-gradient(135deg, color-mix(in srgb, var(--preview-primary) 18%, #ffffff) 0%, rgba(255, 255, 255, 0.88) 65%, rgba(255, 255, 255, 0.96) 100%);
}

.preview-hero__eyebrow {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-size: 0.92rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--preview-secondary);
}

.preview-hero__headline {
  margin: 16px 0 16px;
  font-size: clamp(2.6rem, 4vw, 4.8rem);
  line-height: 1.02;
  color: var(--preview-text);
}

.preview-hero__copy {
  margin: 0;
  max-width: 54ch;
  color: var(--preview-muted);
  line-height: 1.75;
  font-size: 1rem;
}

.preview-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.preview-hero__panel {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.94) 100%);
  border: 1px solid rgba(255, 255, 255, 0.6);
  display: grid;
  gap: 16px;
  align-content: start;
}

.preview-hero__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: start;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.65);
  color: var(--preview-secondary);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.preview-hero__panel h3,
.preview-section h2 {
  margin: 0;
  font-size: 1.6rem;
  color: var(--preview-text);
}

.preview-keylines {
  display: grid;
  gap: 12px;
}

.preview-keyline {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.66);
}

.preview-keyline__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  margin-top: 4px;
  background: var(--preview-accent);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--preview-accent) 18%, transparent);
}

.preview-section {
  margin-top: 26px;
  padding: 28px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.6);
}

.preview-section__header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  margin-bottom: 18px;
}

.preview-section__header p,
.preview-proof-card p,
.preview-card p,
.preview-sitemap p,
.preview-footer p {
  margin: 8px 0 0;
  color: var(--preview-muted);
  line-height: 1.7;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.preview-card {
  padding: 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
  border-top: 4px solid var(--preview-accent);
}

.preview-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--preview-primary) 18%, #ffffff), color-mix(in srgb, var(--preview-secondary) 18%, #ffffff));
  margin-bottom: 16px;
}

.preview-card h3,
.preview-proof-card h3,
.preview-about__values h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
  color: var(--preview-text);
}

.preview-about {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 18px;
}

.preview-about__story,
.preview-about__values,
.preview-sitemap,
.preview-proof-card,
.preview-footer {
  padding: 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

.preview-about__story p {
  margin: 12px 0 0;
  color: var(--preview-muted);
  line-height: 1.8;
}

.preview-values {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.preview-value {
  display: inline-flex;
  align-items: center;
  padding: 9px 12px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--preview-primary) 10%, #ffffff);
  color: var(--preview-secondary);
  font-size: 0.86rem;
  font-weight: 700;
}

.preview-proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.preview-proof-card {
  min-height: 160px;
}

.preview-proof-card--gallery {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.88) 100%);
}

.preview-gallery-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.preview-gallery-tile {
  min-height: 92px;
  border-radius: 16px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--preview-primary) 38%, #ffffff), color-mix(in srgb, var(--preview-accent) 46%, #ffffff));
}

.preview-sitemap {
  margin-top: 22px;
}

.preview-sitemap__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.preview-sitemap__chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
  color: var(--preview-secondary);
  border: 1px solid color-mix(in srgb, var(--preview-secondary) 12%, #ffffff);
  font-size: 0.87rem;
  font-weight: 700;
}

.preview-footer {
  margin-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
}

.preview-footer h3 {
  margin: 0;
  font-size: 1.35rem;
}

.empty-preview {
  display: grid;
  place-items: center;
  min-height: calc(100vh - 130px);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px dashed rgba(191, 201, 222, 0.72);
  color: var(--ui-muted);
  text-align: center;
  padding: 28px;
}

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  padding: 14px 18px;
  border-radius: 14px;
  background: #0F172A;
  color: #F8FAFC;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.2);
  font-size: 0.92rem;
  font-weight: 700;
}

.loading-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(6px);
  z-index: 100;
}

.spinner {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 4px solid rgba(99, 102, 241, 0.16);
  border-top-color: var(--ui-accent);
  animation: spin 0.9s linear infinite;
}

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

@media (max-width: 1180px) {
  .app-shell {
    grid-template-columns: minmax(360px, 460px) minmax(0, 1fr);
  }

  .palette-grid,
  .preview-grid,
  .preview-proof-grid,
  .field-grid.two-col,
  .preview-about,
  .preview-hero {
    grid-template-columns: 1fr;
  }

  .step-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 960px) {
  body {
    overflow-x: hidden;
  }

  body.preview-open {
    overflow: hidden;
  }

  .app-shell {
    display: block;
  }

  .builder-panel {
    min-height: 100vh;
    border-right: none;
  }

  .preview-panel {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 40;
    background: rgba(240, 245, 255, 0.98);
    padding: 14px;
  }

  body.preview-open .preview-panel {
    display: flex;
  }

  .mobile-preview-btn {
    display: inline-flex;
  }

  .preview-close-btn {
    display: inline-flex;
  }

  .builder-footer {
    position: sticky;
    bottom: 0;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0));
    background: rgba(248, 250, 255, 0.96);
    backdrop-filter: blur(14px);
  }
}

@media (max-width: 720px) {
  .builder-header,
  .builder-content,
  .builder-footer,
  .preview-panel {
    padding-left: 18px;
    padding-right: 18px;
  }

  .builder-header__top {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
  }

  .step-tabs {
    display: flex;
    overflow-x: auto;
    gap: 6px;
    padding-bottom: 2px;
    margin-right: -2px;
    scrollbar-width: none;
  }

  .step-tabs::-webkit-scrollbar {
    display: none;
  }

  .step-tab {
    flex: 0 0 auto;
    min-width: max-content;
    padding: 6px 10px;
  }

  .style-grid,
  .palette-grid {
    grid-template-columns: 1fr;
  }

  .field-grid.two-col,
  .radio-grid,
  .checkbox-grid {
    grid-template-columns: 1fr;
  }

  .inline-action-field,
  .suggestion-header,
  .section-card__header,
  .preview-toolbar,
  .preview-toolbar__actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }

  .builder-actions {
    width: 100%;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
  }

  .builder-actions .ghost-btn,
  .builder-actions .primary-btn {
    min-width: 0;
    padding-left: 9px;
    padding-right: 9px;
  }

  .builder-actions .mobile-preview-btn {
    flex: 0 0 100%;
    max-width: 180px;
    display: inline-flex;
    justify-content: center;
    margin: 2px auto 0;
  }

  .preview-toolbar__actions {
    width: 100%;
    align-items: center;
    justify-content: center;
  }

  .preview-close-btn {
    display: inline-flex;
    justify-content: center;
    align-self: center;
    min-width: 140px;
    margin-left: auto;
    margin-right: auto;
  }

  .progress-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }

  .preview-navbar,
  .preview-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .preview-navlinks {
    justify-content: flex-start;
  }

  .preview-grid,
  .preview-proof-grid,
  .preview-gallery-strip {
    grid-template-columns: 1fr;
  }

  .repeater-item,
  .repeater-item--double {
    grid-template-columns: 1fr;
  }

  .remove-btn {
    min-height: 44px;
  }

  .preview-site {
    min-height: auto;
  }
}

@media (max-width: 560px) {
  .builder-header {
    padding: 8px 10px 6px;
  }

  .builder-content {
    padding: 14px 12px 18px;
  }

  .builder-footer {
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom, 0));
    gap: 8px;
  }

  .builder-brand h1 {
    font-size: 1rem;
  }

  .builder-actions {
    gap: 4px;
  }

  .builder-actions .ghost-btn,
  .builder-actions .primary-btn {
    font-size: 0.62rem;
    padding: 7px 8px;
  }

  .builder-actions .mobile-preview-btn,
  .preview-close-btn {
    min-width: 132px;
  }

  .progress-row {
    margin-top: 5px;
  }

  .step-tabs {
    margin-top: 5px;
  }

  .step-header h2 {
    font-size: 1.7rem;
  }

  .step-header p {
    font-size: 0.92rem;
  }

  .input-group {
    margin-bottom: 18px;
  }

  .suggestion-shell,
  .section-card,
  .export-box,
  .type-sample,
  .review-content,
  .palette-card,
  .preview-section,
  .preview-about__story,
  .preview-about__values,
  .preview-sitemap,
  .preview-proof-card,
  .preview-footer {
    padding: 16px;
    border-radius: 18px;
  }

  .preview-panel {
    padding: 10px;
  }

  .preview-toolbar {
    padding: 12px 14px;
  }

  .preview-shell {
    padding: 12px;
  }

  .preview-navbar,
  .preview-hero__content,
  .preview-hero__panel {
    padding: 18px;
    border-radius: 20px;
  }

  .preview-hero__headline {
    font-size: clamp(2rem, 9vw, 2.8rem);
  }

  .preview-hero__actions,
  .preview-footer {
    gap: 10px;
  }

  .preview-btn,
  .preview-btn--ghost {
    width: 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}