/* ============================================
   Photobooth Page Styles
   ============================================ */

.photobooth-page {
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom, 20px);
}

/* Header */
.pb-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  position: sticky;
  top: 0;
  background: rgba(26, 26, 46, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: var(--z-sticky);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.pb-header__back {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border: none;
  border-radius: var(--radius-full);
  color: var(--color-text);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pb-header__back:hover {
  background: rgba(255, 255, 255, 0.15);
}

.pb-header__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
}

.pb-header__spacer {
  width: 40px;
}

/* ============================================
   Step Indicator
   ============================================ */
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: var(--space-md);
}

.step-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  transition: all var(--transition-normal);
}

.step-dot.active {
  width: 28px;
  border-radius: 4px;
  background: var(--color-primary);
}

.step-dot.done {
  background: var(--color-gold);
}

/* ============================================
   Step Content
   ============================================ */
.step-content {
  display: none;
  padding: var(--space-md);
  animation: fadeInUp 0.4s ease forwards;
}

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

.step-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  text-align: center;
  margin-bottom: var(--space-xs);
}

.step-desc {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-bottom: var(--space-lg);
}

/* ============================================
   Step 1: Choose Mode (Camera / Upload)
   ============================================ */
.mode-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  max-width: 380px;
  margin: 0 auto;
}

.mode-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-xl) var(--space-md);
  background: var(--color-bg-card);
  border: 2px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
}

.mode-card:hover,
.mode-card.selected {
  border-color: var(--color-primary);
  background: rgba(183, 110, 121, 0.1);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.mode-card__icon {
  font-size: 2.5rem;
  display: block;
}

.mode-card__title {
  font-weight: 600;
  font-size: 1rem;
}

.mode-card__desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* ============================================
   Step 2: Camera / Upload
   ============================================ */

/* Camera View */
.camera-container {
  position: relative;
  width: 100%;
  max-width: 380px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
  aspect-ratio: 3/4;
}

.camera-container video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1); /* Mirror */
}

.camera-container .frame-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}

.camera-container .frame-overlay img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Camera Controls */
.camera-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  padding: var(--space-lg);
}

.capture-btn {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, #E88B96 100%);
  border: 4px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.capture-btn::after {
  content: '';
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.5);
  transition: all var(--transition-fast);
}

.capture-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 30px rgba(183, 110, 121, 0.5);
}

.capture-btn:active {
  transform: scale(0.95);
}

.capture-btn:active::after {
  background: rgba(255, 255, 255, 0.2);
}

.camera-flip-btn,
.camera-filter-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  font-size: 1.3rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.camera-flip-btn:hover,
.camera-filter-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Upload Zone */
.upload-zone {
  max-width: 380px;
  margin: 0 auto;
  border: 2px dashed rgba(183, 110, 121, 0.4);
  border-radius: var(--radius-lg);
  padding: var(--space-3xl) var(--space-lg);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  background: rgba(183, 110, 121, 0.03);
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--color-primary);
  background: rgba(183, 110, 121, 0.08);
}

.upload-zone__icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.upload-zone__text {
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.upload-zone__hint {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.upload-zone input[type="file"] {
  display: none;
}

/* Upload Preview */
.upload-preview {
  max-width: 380px;
  margin: 0 auto;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  display: none;
}

.upload-preview.has-image {
  display: block;
}

.upload-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.upload-preview .change-btn {
  position: absolute;
  bottom: var(--space-md);
  right: var(--space-md);
  z-index: 3;
}

/* ============================================
   Countdown Overlay
   ============================================ */
.countdown-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.4);
  z-index: 10;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.countdown-overlay.active {
  opacity: 1;
  visibility: visible;
}

.countdown-number {
  font-family: var(--font-display);
  font-size: 6rem;
  font-weight: 700;
  color: white;
  text-shadow: 0 0 40px rgba(183, 110, 121, 0.8);
  animation: countdownPop 1s ease;
}

@keyframes countdownPop {
  0% { transform: scale(2); opacity: 0; }
  30% { transform: scale(0.8); opacity: 1; }
  60% { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}

.countdown-flash {
  animation: flashCapture 0.5s ease;
}

@keyframes flashCapture {
  0% { background: white; }
  100% { background: rgba(0,0,0,0.4); }
}

/* ============================================
   Step 3: Frame & Filter Selection
   ============================================ */
.preview-container {
  position: relative;
  max-width: 320px;
  margin: 0 auto var(--space-lg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  box-shadow: var(--shadow-lg);
}

.preview-container img,
.preview-container canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-frame-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}

.preview-frame-overlay img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Frame Selector */
.selector-label {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.frame-scroll {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  padding: var(--space-sm) 0;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.frame-scroll::-webkit-scrollbar { display: none; }

.frame-option {
  flex: 0 0 auto;
  width: 64px;
  height: 80px;
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  scroll-snap-align: start;
}

.frame-option:hover {
  border-color: rgba(183, 110, 121, 0.4);
}

.frame-option.selected {
  border-color: var(--color-gold);
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.3);
}

.frame-option img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.frame-option--none {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  text-align: center;
  padding: var(--space-xs);
}

/* Filter Selector */
.filter-scroll {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  padding: var(--space-sm) 0;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.filter-scroll::-webkit-scrollbar { display: none; }

.filter-option {
  flex: 0 0 auto;
  width: 64px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  scroll-snap-align: start;
}

.filter-option__preview {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid transparent;
  margin-bottom: 4px;
  transition: all var(--transition-fast);
}

.filter-option__preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.filter-option.selected .filter-option__preview {
  border-color: var(--color-gold);
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.3);
}

.filter-option__label {
  font-size: 0.65rem;
  color: var(--color-text-muted);
}

.filter-option.selected .filter-option__label {
  color: var(--color-gold);
  font-weight: 600;
}

/* CSS Filters */
.filter-normal { filter: none; }
.filter-beauty { filter: brightness(1.07) contrast(0.96) saturate(1.12) drop-shadow(0 0 1px rgba(255,235,240,0.5)); }
.filter-rosy-glam { filter: brightness(1.08) contrast(1.04) saturate(1.24) hue-rotate(345deg); }
.filter-korean-glow { filter: brightness(1.12) contrast(0.95) saturate(1.15) drop-shadow(0 0 1px rgba(255,255,255,0.6)); }
.filter-romantic { filter: saturate(1.3) brightness(1.06) contrast(1.05) hue-rotate(330deg); }
.filter-dreamy { filter: brightness(1.15) contrast(0.95) saturate(1.35); }
.filter-warm { filter: saturate(1.4) brightness(1.08) sepia(0.22) contrast(1.05); }
.filter-vintage { filter: sepia(0.55) saturate(1.35) contrast(1.15) brightness(0.98); }
.filter-bw { filter: grayscale(1) contrast(1.35) brightness(1.05); }



/* ============================================
   Step 4: Name & Message Form
   ============================================ */
.form-section {
  max-width: 380px;
  margin: 0 auto;
}

.form-section .preview-mini {
  width: 120px;
  height: 160px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 0 auto var(--space-lg);
  box-shadow: var(--shadow-md);
}

.form-section .preview-mini img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.char-count {
  text-align: right;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* ============================================
   Success Screen
   ============================================ */
.success-screen {
  text-align: center;
  padding: var(--space-3xl) var(--space-md);
  animation: scaleIn 0.5s ease;
}

.success-screen__icon {
  font-size: 4rem;
  margin-bottom: var(--space-lg);
  animation: float 2s ease-in-out infinite;
}

.success-screen__title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin-bottom: var(--space-sm);
  color: var(--color-gold);
}

.success-screen__message {
  color: var(--color-text-muted);
  margin-bottom: var(--space-2xl);
  line-height: 1.6;
}

.success-screen__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 280px;
  margin: 0 auto;
}

/* ============================================
   Hidden Canvas for Processing
   ============================================ */
#processingCanvas {
  display: none;
}