/* ─────────────────────────────────────────────
   CAROUSEL. — Landing Screen
   ───────────────────────────────────────────── */

#screen-landing {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  width: 100vw;
  position: relative;
  overflow: hidden;
  background: var(--c-bg);
}

/* Ambient grain overlay */
#screen-landing::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
}

/* Background orbs */
.landing-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: orb-drift 8s ease-in-out infinite alternate;
}
.landing-orb-1 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(201,169,110,0.12) 0%, transparent 70%);
  top: 10%; left: 15%;
  animation-delay: 0s;
}
.landing-orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(107,159,212,0.08) 0%, transparent 70%);
  top: 40%; right: 10%;
  animation-delay: -3s;
}
.landing-orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(212,160,224,0.06) 0%, transparent 70%);
  bottom: 15%; left: 30%;
  animation-delay: -6s;
}
@keyframes orb-drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(20px, -30px) scale(1.05); }
}

.landing-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-8);
  text-align: center;
}

.landing-eyebrow {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-accent-2);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}
.landing-eyebrow::before,
.landing-eyebrow::after {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--c-accent-2);
  opacity: 0.5;
}

.landing-wordmark {
  font-family: var(--font-display);
  font-size: clamp(72px, 10vw, 120px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.9;
  color: var(--c-text);
  position: relative;
}
.landing-wordmark .dot {
  color: var(--c-accent);
}
.landing-wordmark .subtitle-inline {
  display: block;
  font-family: var(--font-sans);
  font-size: clamp(12px, 1.2vw, 16px);
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-text-2);
  margin-top: var(--sp-3);
}

.landing-tagline {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.5vw, 26px);
  font-style: italic;
  font-weight: 400;
  color: var(--c-text-2);
  max-width: 480px;
  line-height: 1.4;
}

.landing-cta-group {
  display: flex;
  gap: var(--sp-3);
  align-items: center;
  margin-top: var(--sp-4);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-4) var(--sp-7);
  background: var(--c-accent);
  color: #0a0a0a;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.04em;
  border-radius: var(--r-sm);
  transition: all var(--t-normal);
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  opacity: 0;
  transition: opacity var(--t-fast);
}
.btn-primary:hover::after { opacity: 1; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(201,169,110,0.3); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-4) var(--sp-7);
  background: transparent;
  color: var(--c-text-2);
  font-weight: 400;
  font-size: 13px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  transition: all var(--t-normal);
}
.btn-secondary:hover {
  color: var(--c-text);
  border-color: var(--c-border-2);
  background: var(--c-surface);
}

.landing-features {
  display: flex;
  gap: var(--sp-7);
  margin-top: var(--sp-5);
}
.landing-feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-1);
}
.landing-feature-label {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-text-3);
}
.landing-feature-value {
  font-size: 11px;
  color: var(--c-text-2);
  font-weight: 500;
}

/* Floating slide preview strip */
.landing-strip {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 2px;
  opacity: 0.35;
  pointer-events: none;
}
.landing-strip-slide {
  width: 80px;
  height: 100px;
  border-radius: var(--r-sm) var(--r-sm) 0 0;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-bottom: none;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--sp-2);
}
.landing-strip-slide:nth-child(odd)  { height: 110px; }
.landing-strip-slide:nth-child(3n)   { height: 130px; }
.strip-block {
  height: 8px;
  border-radius: 2px;
  background: var(--c-surface-3);
  margin-bottom: 3px;
}
.strip-block.wide { width: 100%; }
.strip-block.narrow { width: 60%; }
.strip-block.xnarrow { width: 40%; }
.strip-bar {
  height: 40px;
  width: 100%;
  background: var(--c-surface-2);
  border-radius: 2px;
  margin-bottom: 4px;
}

/* ─────────────────────────────────────────────
   CAROUSEL. — Wizard Screen
   ───────────────────────────────────────────── */

#screen-wizard {
  display: none;
  flex-direction: column;
  height: 100vh;
  background: var(--c-bg);
  overflow: hidden;
}
#screen-wizard.active { display: flex; }

.wizard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-5) var(--sp-8);
  border-bottom: 1px solid var(--c-border);
  flex-shrink: 0;
}
.wizard-wordmark {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--c-text);
}
.wizard-wordmark .dot { color: var(--c-accent); }

.wizard-steps {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}
.wizard-step-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-surface-3);
  transition: all var(--t-normal);
}
.wizard-step-dot.active { background: var(--c-accent); width: 20px; border-radius: var(--r-full); }
.wizard-step-dot.done   { background: var(--c-accent-2); }

.wizard-body {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-y: auto;
  padding: var(--sp-10) var(--sp-8);
}

.wizard-panel {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-7);
  width: 100%;
  max-width: 700px;
  animation: panel-in var(--t-slow) both;
}
.wizard-panel.active { display: flex; }

@keyframes panel-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.wizard-question {
  text-align: center;
}
.wizard-question-number {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-text-3);
  margin-bottom: var(--sp-3);
}
.wizard-question-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--c-text);
  margin-bottom: var(--sp-3);
}
.wizard-question-subtitle {
  font-size: 14px;
  color: var(--c-text-2);
  line-height: 1.5;
  max-width: 400px;
  margin: 0 auto;
}

/* Slide count picker */
.slide-count-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  justify-content: center;
  max-width: 480px;
}
.count-pill {
  padding: var(--sp-3) var(--sp-5);
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  font-size: 18px;
  font-weight: 600;
  color: var(--c-text-2);
  background: var(--c-surface);
  transition: all var(--t-normal);
  min-width: 68px;
  text-align: center;
  cursor: pointer;
}
.count-pill:hover { border-color: var(--c-border-2); color: var(--c-text); background: var(--c-surface-2); }
.count-pill.selected { border-color: var(--c-accent); color: var(--c-accent); background: var(--c-accent-dim); }

/* Composition & Art Direction cards */
.option-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4);
  width: 100%;
}
.option-cards.two-col { grid-template-columns: repeat(2, 1fr); max-width: 520px; }
.option-cards.four-col { grid-template-columns: repeat(2, 1fr); gap: var(--sp-3); }
.option-cards.six-col  { grid-template-columns: repeat(3, 1fr); gap: var(--sp-3); }

.option-card {
  position: relative;
  padding: var(--sp-6) var(--sp-5);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  background: var(--c-surface);
  cursor: pointer;
  transition: all var(--t-normal);
  overflow: hidden;
}
.option-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--card-glow, transparent);
  opacity: 0;
  transition: opacity var(--t-normal);
}
.option-card:hover::before { opacity: 1; }
.option-card:hover {
  border-color: var(--c-border-2);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.option-card.selected {
  border-color: var(--card-color, var(--c-accent));
  background: var(--c-surface-2);
  box-shadow: 0 0 0 1px var(--card-color, var(--c-accent)), var(--shadow-md);
}
.option-card.selected::before { opacity: 1; }

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--r-sm);
  background: var(--card-icon-bg, var(--c-surface-3));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-4);
  font-size: 18px;
}
.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
  letter-spacing: 0.01em;
  margin-bottom: var(--sp-2);
}
.card-desc {
  font-size: 11px;
  color: var(--c-text-3);
  line-height: 1.5;
}
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: var(--sp-3);
}
.card-tag {
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 6px;
  border: 1px solid var(--c-border);
  border-radius: var(--r-full);
  color: var(--c-text-3);
}

/* Mini slide preview inside card */
.card-preview {
  height: 60px;
  border-radius: var(--r-sm);
  background: var(--c-surface-3);
  margin-bottom: var(--sp-4);
  overflow: hidden;
  display: flex;
  gap: 2px;
}
.preview-slide {
  flex: 1;
  background: var(--c-surface-2);
  border-radius: 1px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 4px;
  gap: 2px;
}
.preview-bar { height: 4px; border-radius: 1px; background: var(--c-surface-3); }
.preview-bar.w-full { width: 100%; }
.preview-bar.w-70   { width: 70%; }
.preview-bar.w-50   { width: 50%; }
.preview-bar.w-30   { width: 30%; }
.preview-img-block { flex: 1; background: var(--c-border); border-radius: 1px; }

/* Wizard footer */
.wizard-footer {
  padding: var(--sp-5) var(--sp-8);
  border-top: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.wizard-footer-left {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  color: var(--c-text-3);
  font-size: 12px;
}
.wizard-footer-right {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  color: var(--c-text-2);
  font-size: 13px;
  border-radius: var(--r-sm);
  transition: all var(--t-fast);
  cursor: pointer;
  border: none;
  background: none;
}
.btn-ghost:hover { color: var(--c-text); background: var(--c-surface); }

.wizard-summary {
  display: flex;
  gap: var(--sp-2);
}
.wizard-summary-chip {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  padding: 4px var(--sp-3);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-full);
  font-size: 11px;
  color: var(--c-text-2);
}
.wizard-summary-chip .chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent-2);
}

/* ─────────────────────────────────────────────
   Format / Canvas Size Cards
   ───────────────────────────────────────────── */

.format-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.format-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  cursor: pointer;
  transition: all var(--t-normal);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.format-card:hover {
  border-color: var(--c-border-2);
  background: var(--c-surface-2);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.format-card.selected {
  border-color: var(--c-accent);
  background: var(--c-accent-dim);
  box-shadow: 0 0 0 1px var(--c-accent), var(--shadow-lg);
}

.format-card-preview {
  width: 100%;
  max-height: 80px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
}
.format-card-preview::after {
  content: '';
  display: block;
  width: 36px;
  max-width: 80%;
  border: 1px dashed rgba(255,255,255,0.15);
  border-radius: 2px;
}

.format-card-body {
  padding: 10px 12px 12px;
}
.format-card-icon {
  font-size: 16px;
  margin-bottom: 4px;
}
.format-card-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 2px;
}
.format-card-dims {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--c-text-3);
  margin-bottom: 4px;
  letter-spacing: 0.04em;
}
.format-card-desc {
  font-size: 10px;
  color: var(--c-text-3);
  line-height: 1.4;
}

/* ─────────────────────────────────────────────
   Export Preview Gallery
   ───────────────────────────────────────────── */

.export-preview-gallery {
  background: var(--c-surface-2);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 16px;
  min-height: 140px;
  position: relative;
}

.export-preview-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 120px;
}

.export-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--c-border-2);
  border-top-color: var(--c-accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

.export-preview-scroll {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
  scroll-snap-type: x mandatory;
}
.export-preview-scroll::-webkit-scrollbar {
  height: 4px;
}
.export-preview-scroll::-webkit-scrollbar-track {
  background: var(--c-surface-3);
  border-radius: 2px;
}
.export-preview-scroll::-webkit-scrollbar-thumb {
  background: var(--c-border-2);
  border-radius: 2px;
}

.export-preview-thumb {
  flex-shrink: 0;
  position: relative;
  scroll-snap-align: start;
  border-radius: var(--r-sm);
  overflow: hidden;
  border: 1px solid var(--c-border);
  transition: all var(--t-fast);
  cursor: pointer;
}
.export-preview-thumb:hover {
  border-color: var(--c-accent);
  transform: scale(1.03);
  box-shadow: var(--shadow-lg);
}
.export-preview-thumb img {
  display: block;
  height: 110px;
  width: auto;
  object-fit: contain;
}
.export-thumb-label {
  position: absolute;
  bottom: 4px;
  left: 6px;
  font-size: 9px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: rgba(255,255,255,0.6);
  text-shadow: 0 1px 3px rgba(0,0,0,0.6);
}