/* ========================================
   PHOTO COLLECT - UNIFIED STYLESHEET
   ======================================== */

/* ========== CSS VARIABLES ========== */
:root {
  /* Old Money Color Palette */
  --color-bg-primary: #F5F1E8;
  --color-bg-secondary: #E8E3D6;
  --color-text-primary: #1A1511;
  --color-text-secondary: #6B5D52;
  --color-accent-gold: #B8975A;
  --color-accent-dark: #2C2416;

  /* Typography */
  --font-serif: 'Playfair Display', 'EB Garamond', serif;
  --font-serif-italic: 'EB Garamond', serif;
  --font-sans: 'Inter', sans-serif;

  /* Spacing - Generous Luxury */
  --spacing-xs: 16px;
  --spacing-sm: 24px;
  --spacing-md: 48px;
  --spacing-lg: 80px;
  --spacing-xl: 120px;

  /* Transitions - Slow & Luxurious */
  --transition-slow: 0.6s ease-out;
  --transition-medium: 0.4s ease-out;
  --transition-fast: 0.2s ease-out;

  /* Album photo aspect (detail page only) */
  --photo-aspect: 4 / 5;
}


/* ========== GLOBAL RESET ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;

  /* Subtle paper texture */
  background-image:
    repeating-linear-gradient(0deg,
      rgba(0, 0, 0, 0.01) 0px,
      transparent 1px,
      transparent 2px,
      rgba(0, 0, 0, 0.01) 3px);
}

/* ========== PAGE TRANSITIONS ========== */
.page-container {
  display: none;
  min-height: 100vh;
  opacity: 0;
  transition: opacity var(--transition-slow);
}
.page-container.active {
  display: block;
  opacity: 1;
}

/* ========================================
   TOP PAGE
   ======================================== */

/* ========== HERO SECTION ========== */
.hero-section {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  border-bottom: 1px solid var(--color-accent-gold);
  position: relative;
}
.hero-content {
  max-width: 900px;
  animation: fadeInUp 1s ease-out;
}
.main-title {
  font-family: var(--font-serif);
  font-size: clamp(60px, 8vw, 120px);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.1;
}
.tagline {
  font-family: var(--font-serif-italic);
  font-size: clamp(18px, 2vw, 28px);
  font-style: italic;
  font-weight: 400;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
}

/* ========== CAROUSEL SECTION ========== */
.carousel-section {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-bg-primary);
}
.album-carousel {
  max-width: 100%;
  padding: var(--spacing-md) 0;
}

/* Swiper slide base */
.swiper-slide {
  width: 280px;
  height: 350px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Cover Card */
.album-cover {
  width: 90%;
  height: 90%;
  aspect-ratio: 4 / 5;
  cursor: pointer;
  transition: transform var(--transition-medium);
  position: relative;
  margin: 0 auto;
}

.album-cover:hover {
  transform: scale(1.02);
}

.album-image {
  width: 100%;
  aspect-ratio: 4 / 5;
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  box-shadow:
    0 2px 4px rgba(26, 21, 17, 0.15),
    0 8px 16px rgba(26, 21, 17, 0.2),
    0 16px 32px rgba(26, 21, 17, 0.15),
    inset -2px 0 8px rgba(0, 0, 0, 0.1);
  transform: translateZ(0);
}

/* Book spine */
.album-image::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 15px;
  background: linear-gradient(to right,
      rgba(26, 21, 17, 0.4) 0%,
      rgba(26, 21, 17, 0.2) 40%,
      transparent 100%);
  z-index: 2;
}

/* Fold line */
.album-image::after {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom,
      transparent 0%,
      rgba(0, 0, 0, 0.2) 10%,
      rgba(0, 0, 0, 0.3) 50%,
      rgba(0, 0, 0, 0.2) 90%,
      transparent 100%);
  z-index: 2;
}

.album-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transition: transform var(--transition-slow);
}

.album-cover:hover .album-image {
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.1),
    0 12px 40px rgba(26, 21, 17, 0.2),
    0 20px 60px rgba(26, 21, 17, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}

.album-cover:hover .album-image img {
  transform: scale(1.05);
}

.album-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0 32px 48px 32px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 40%;
  background: linear-gradient(to top,
      rgba(26, 21, 17, 0.85) 0%,
      rgba(26, 21, 17, 0.5) 50%,
      rgba(26, 21, 17, 0.2) 80%,
      transparent 100%);
  color: #fff;
}

.album-title {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 400;
  letter-spacing: 0.05em;
  line-height: 1.2;
  margin-bottom: 12px;
  text-transform: uppercase;
  text-align: left;
  color: #fff;
}
.album-year {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 200;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: left;
  opacity: 0.9;
}

/* Swiper coverflow shadow adjustment */
.swiper-slide-shadow-left,
.swiper-slide-shadow-right {
  opacity: 0.1 !important;
  width: 50% !important;
}

/* ========== CTA SECTION ========== */
.cta-section {
  padding: var(--spacing-xl) var(--spacing-md);
  border-top: 1px solid var(--color-accent-gold);
  display: flex;
  justify-content: center;
}
.create-button {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-bg-primary);
  background-color: var(--color-accent-dark);
  border: 1px solid var(--color-accent-gold);
  padding: 20px 60px;
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}
.create-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg,
      transparent,
      rgba(184, 151, 90, 0.2),
      transparent);
  transition: left var(--transition-slow);
}

.create-button:hover::before {
  left: 100%;
}

.create-button:hover {
  background-color: var(--color-accent-gold);
  color: var(--color-text-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26, 21, 17, 0.15);
}

/* ========== BOOK OPENING ANIMATION ========== */
.book-opening-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-bg-primary);
  z-index: 1000;
  display: none;
  opacity: 0;
  pointer-events: none;
}
.book-opening-overlay.active {
  display: block;
  animation: bookOpen 1.2s ease-in-out forwards;
}
@keyframes bookOpen {
  0% {
    opacity: 0;
    transform: perspective(2000px) rotateY(0deg);
  }

  50% {
    opacity: 1;
    transform: perspective(2000px) rotateY(-15deg);
  }

  100% {
    opacity: 0;
    transform: perspective(2000px) rotateY(-90deg);
  }
}

/* ========================================
   COMMON NAV / BACK
   ======================================== */
.back-button,
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 12px 0;
  margin-bottom: var(--spacing-md);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.back-button:hover,
.back-link:hover {
  color: var(--color-text-primary);
}

.back-button svg,
.back-link svg {
  transition: transform var(--transition-fast);
}

.back-button:hover svg,
.back-link:hover svg {
  transform: translateX(-4px);
}

/* ========================================
   ALBUM DETAIL PAGE
   ======================================== */
.album-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
  animation: fadeIn 0.8s ease-out;
  text-align: center;
  /* FIX: was `center,` */
}

/* Center back button in album detail page */
.album-content .back-button {
  display: flex;
  justify-content: center;
  width: 100%;
}

.album-header {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  border-bottom: 1px solid var(--color-accent-gold);
  margin-bottom: var(--spacing-xl);
}
.album-main-title {
  font-family: var(--font-serif);
  font-size: clamp(60px, 10vw, 120px);
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.1;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}
.album-subtitle {
  font-family: var(--font-sans);
  font-size: clamp(16px, 2vw, 24px);
  font-weight: 300;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}
.album-catchphrase {
  font-family: var(--font-serif-italic);
  font-size: clamp(20px, 2.5vw, 32px);
  font-style: italic;
  font-weight: 400;
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.5;
}

/* Photo Gallery */
.photo-gallery {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  align-items: center;
  margin-bottom: var(--spacing-xl);
}
.photo-block {
  width: 80%;
  max-width: 1000px;
  animation: fadeInUp 0.6s ease-out;
  animation-fill-mode: both;
}

.photo-block:nth-child(1) {
  animation-delay: 0.1s;
}

.photo-block:nth-child(2) {
  animation-delay: 0.2s;
}

.photo-block:nth-child(3) {
  animation-delay: 0.3s;
}

.photo-block:nth-child(4) {
  animation-delay: 0.4s;
}

.photo-block:nth-child(5) {
  animation-delay: 0.5s;
}

.photo-block:nth-child(n+6) {
  animation-delay: 0.6s;
}

.photo-wrapper {
  position: relative;
  width: 100%;
  max-width: 800px;
  aspect-ratio: var(--photo-aspect);
  overflow: hidden;
  border-radius: 2px;
  box-shadow: 0 4px 24px rgba(26, 21, 17, 0.08);
  margin: 0 auto;
}
.photo-wrapper img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transition: transform var(--transition-slow);
}

.photo-wrapper:hover img {
  transform: scale(1.02);
}

/* Close Album Button */
.album-close-section {
  text-align: center;
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-xl);
  clear: both;
}

.close-album-button {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-bg-primary);
  background: var(--color-accent-dark);
  border: 1px solid var(--color-accent-gold);
  padding: 16px 48px;
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--transition-medium);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.close-album-button span {
  font-size: 18px;
}

.close-album-button:hover {
  background: var(--color-accent-gold);
  color: var(--color-bg-primary);
}

/* ========================================
   CREATE PAGE (Merged from create.css)
   ======================================== */
.create-page-container {
  min-height: 100vh;
  background-color: var(--color-bg-primary);
  padding: var(--spacing-lg) var(--spacing-md);
}

.create-header {
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
  text-align: center;
  border-bottom: 1px solid var(--color-accent-gold);
  padding-bottom: var(--spacing-lg);
}

.create-main-title {
  font-family: var(--font-serif);
  font-size: clamp(48px, 6vw, 72px);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.1;
}

.create-subtitle {
  font-family: var(--font-serif-italic);
  font-size: clamp(16px, 2vw, 20px);
  font-style: italic;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.form-container {
  max-width: 800px;
  margin: 0 auto;
  background-color: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--color-accent-gold);
  border-radius: 2px;
  padding: var(--spacing-xl);
  box-shadow: 0 4px 24px rgba(26, 21, 17, 0.06);
}

.album-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-label {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
}

.form-input {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 400;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-text-secondary);
  border-radius: 2px;
  padding: 16px 20px;
  transition: all var(--transition-medium);
}

.form-input::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.5;
  font-style: italic;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent-gold);
  background-color: #FEFDFB;
  box-shadow: 0 0 0 3px rgba(184, 151, 90, 0.1);
}

.form-hint {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 300;
  color: var(--color-text-secondary);
  font-style: italic;
  margin-top: -4px;
}

.form-row {
  display: flex;
  gap: var(--spacing-md);
}

.form-half {
  flex: 1;
}

.form-divider {
  height: 1px;
  background: linear-gradient(to right,
      transparent,
      var(--color-accent-gold),
      transparent);
  margin: var(--spacing-md) 0;
}

/* Upload */
.photo-upload-section {
  margin-top: var(--spacing-md);
}

.photo-hint {
  margin-bottom: var(--spacing-sm);
}

.upload-area {
  border: 2px dashed var(--color-text-secondary);
  border-radius: 4px;
  padding: var(--spacing-xl);
  text-align: center;
  background-color: var(--color-bg-primary);
  transition: all var(--transition-medium);
  cursor: pointer;
  position: relative;
}

.upload-area::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 4px;
  background: linear-gradient(135deg,
      rgba(184, 151, 90, 0.05) 0%,
      rgba(184, 151, 90, 0) 100%);
  opacity: 0;
  transition: opacity var(--transition-medium);
  pointer-events: none;
}

.upload-area:hover::after {
  opacity: 1;
}

.upload-area.dragover {
  border-color: var(--color-accent-gold);
  background-color: rgba(184, 151, 90, 0.05);
  transform: scale(1.01);
}

.upload-area:hover {
  border-color: var(--color-accent-gold);
  background-color: rgba(245, 241, 232, 0.8);
}

.upload-icon {
  margin-bottom: var(--spacing-sm);
}

.upload-icon svg {
  stroke: var(--color-text-secondary);
  opacity: 0.6;
}

.upload-title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 400;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.upload-text {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.browse-button {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-bg-primary);
  background-color: var(--color-accent-dark);
  border: 1px solid var(--color-accent-gold);
  padding: 12px 32px;
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--transition-medium);
  margin-bottom: var(--spacing-sm);
  outline: none;
}

.browse-button:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(184, 151, 90, 0.3);
}

.browse-button:hover {
  background-color: var(--color-accent-gold);
  color: var(--color-text-primary);
  transform: translateY(-1px);
}

.upload-requirements {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 300;
  color: var(--color-text-secondary);
  margin-top: var(--spacing-sm);
}

/* Preview Grid */
.photo-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.photo-preview-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid var(--color-text-secondary);
  background-color: var(--color-bg-secondary);
  transition: transform var(--transition-medium);
  cursor: pointer;
  animation: fadeInScale 0.3s ease-out;
}

.photo-preview-item:hover {
  transform: scale(1.02);
}

.photo-preview-item:active {
  transform: scale(0.98);
}

.photo-preview-item.cover-photo::before {
  content: 'COVER';
  position: absolute;
  top: 8px;
  left: 8px;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: white;
  background-color: var(--color-accent-gold);
  padding: 4px 8px;
  border-radius: 2px;
  z-index: 2;
  animation: coverBadge 0.3s ease-out;
}

.photo-preview-item.cover-photo::after {
  content: ' ';
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-sans);
  font-size: 9px;
  color: white;
  background-color: rgba(26, 21, 17, 0.8);
  padding: 3px 8px;
  border-radius: 2px;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  z-index: 2;
}

.photo-preview-item.cover-photo:hover::after {
  opacity: 1;
}

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

.photo-remove-button {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  background-color: rgba(26, 21, 17, 0.8);
  border: 1px solid var(--color-accent-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: all var(--transition-medium);
  z-index: 2;
}

.photo-preview-item:hover .photo-remove-button {
  opacity: 1;
}

.photo-remove-button:hover {
  background-color: var(--color-accent-gold);
  transform: scale(1.1);
}

.photo-remove-button svg {
  width: 16px;
  height: 16px;
  stroke: white;
}

/* Form actions */
.form-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-accent-gold);
}

.button-primary,
.button-secondary {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 16px 40px;
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--transition-medium);
  border: 1px solid;
}

.button-primary {
  color: var(--color-bg-primary);
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-gold);
}

.button-primary:hover:not(:disabled) {
  background-color: var(--color-accent-gold);
  color: var(--color-text-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(26, 21, 17, 0.15);
}

.button-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.button-secondary {
  color: var(--color-text-primary);
  background-color: transparent;
  border-color: var(--color-text-secondary);
}

.button-secondary:hover {
  background-color: var(--color-bg-secondary);
  border-color: var(--color-accent-gold);
}

/* Loading state */
.button-primary.loading {
  position: relative;
  color: transparent;
}

.button-primary.loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid var(--color-bg-primary);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* ========================================
   FOOTER
   ======================================== */
.site-credit .footer-link {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
  font-style: italic;
}

.site-credit .footer-link:hover {
  color: var(--color-accent-gold);
}

.footer-x-link {
  display: inline-flex;
  align-items: center;
  margin-left: 8px;
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer-x-link svg {
  width: 16px;
  height: 16px;
}

.footer-x-link:hover {
  color: var(--color-accent-gold);
}

.photocollect-link {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
  font-style: italic;
  font-weight: 500;
}

.photocollect-link:hover {
  color: var(--color-accent-gold);
}

.site-footer {
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.site-credit {
  font-family: var(--font-serif-italic);
  font-size: 14px;
  font-style: italic;
  font-weight: 400;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

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

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(0.95);
  }
}

@keyframes coverSelected {
  0% {
    transform: scale(1);
    border-color: var(--color-text-secondary);
  }

  50% {
    transform: scale(1.05);
    border-color: var(--color-accent-gold);
    box-shadow: 0 0 20px rgba(184, 151, 90, 0.5);
  }

  100% {
    transform: scale(1);
    border-color: var(--color-accent-gold);
  }
}

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

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

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

/* ========================================
   RESPONSIVE
   (Order matters: Desktop tweaks → Tablet → Mobile)
   ======================================== */

/* Desktop (770px+) */
@media (min-width: 770px) {
  .site-footer {
    margin-top: var(--spacing-xl);
  }

  .site-credit {
    color: var(--color-text-primary);
  }

  .site-credit .footer-link,
  .footer-x-link,
  .photocollect-link {
    color: var(--color-text-primary);
  }
}

/* Tablet */
@media (max-width: 1024px) {
  .main-title {
    font-size: 80px;
  }

  .album-main-title {
    font-size: 80px;
  }

  .photo-block {
    width: 85%;
  }

  .swiper-slide {
    width: 280px;
    height: 350px;
  }

  .form-container {
    padding: var(--spacing-lg);
  }

  .photo-preview-grid {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --spacing-lg: 60px;
    --spacing-xl: 80px;
  }

  .hero-section {
    min-height: 50vh;
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .main-title {
    font-size: 48px;
  }

  .tagline {
    font-size: 18px;
  }

  /* Carousel - mobile visual enhancement */
  .carousel-section {
    background: linear-gradient(180deg,
        var(--color-bg-primary) 0%,
        rgba(245, 242, 238, 0.5) 50%,
        var(--color-bg-primary) 100%);
    overflow: hidden;
    position: relative;
  }

  .carousel-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: radial-gradient(circle,
        rgba(255, 255, 255, 0.3) 0%,
        transparent 70%);
    pointer-events: none;
    z-index: 0;
  }

  .album-carousel {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-md);
  }

  .swiper-slide {
    width: 240px;
    height: 300px;
  }

  /* On mobile use full cover area sizing */
  .album-cover {
    width: 100%;
    height: 100%;
  }

  .album-overlay {
    padding: 0 24px 32px 24px;
    min-height: 35%;
  }

  .album-title {
    font-size: clamp(38px, 3.5vw, 40px);
    font-weight: 300;
    letter-spacing: 0.08em;
    margin-bottom: var(--spacing-xs);
  }

  .album-year {
    font-size: 14px;
    font-weight: 300;
  }

  /* Photo wrapper */
  .photo-wrapper {
    max-width: 90vw;
  }

  /* Create page */
  .create-page-container {
    padding: var(--spacing-md) var(--spacing-sm);
  }

  .create-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
  }

  .create-main-title {
    font-size: 36px;
  }

  .form-container {
    padding: var(--spacing-md);
  }

  .form-row {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .upload-area {
    padding: var(--spacing-lg);
  }

  .upload-icon svg {
    width: 48px;
    height: 48px;
  }

  .photo-preview-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 12px;
  }

  .form-actions {
    flex-direction: column-reverse;
  }

  .button-primary,
  .button-secondary {
    width: 100%;
  }
}

/* Small Mobile */
@media (max-width: 480px) {
  .create-main-title {
    font-size: 28px;
  }

  .form-container {
    padding: var(--spacing-sm);
  }

  .photo-preview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Print */
@media print {

  .back-button,
  .create-button,
  .cta-section {
    display: none;
  }

  body {
    background: white;
  }
}

/* ========================================
   FIX: Swiper slide size explosion (Desktop)
   Force fixed cover size even if Swiper sets inline width/height
   ======================================== */
.swiper-slide {
  width: 280px !important;
  height: 350px !important;
}

/* PCで少し大きくしたい場合（元の意図を維持） */
@media (min-width: 1024px) {
  .swiper-slide {
    width: 400px !important;
    height: 500px !important;
  }
}

/* allow <a class="create-button"> to behave like button */
a.create-button {
  display: inline-block;
  text-decoration: none;
}
/* ========================================
   Album Layout Toggle (below last photo)
   ======================================== */
.layout-toggle{
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 32px auto 0;
}

.layout-toggle-btn{
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--color-accent-gold);
  background: rgba(255,255,255,0.55);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 18px;
  line-height: 1;
}

.layout-toggle-btn:hover{
  transform: translateY(-1px);
  background: rgba(184, 151, 90, 0.15);
}

.layout-toggle-btn.active{
  background: var(--color-accent-dark);
  color: var(--color-bg-primary);
}