:root {
  --red:        #A82323;
  --red-burgundy:#8B1E3F;
  --red-light:  #FDF2F2;
  --red-mid:    #C94040;
  --yellow:     #FEFFD3;
  --yellow-warm:#FFF9D8;
  --green-l:    #BCD9A2;
  --green-d:    #6D9E51;
  --spotify:    #1DB954;
  --bg:         #FAF8F5;
  --dark:       #1A1A1A;
  --gray:       #6B6B6B;
  --gray-l:     #E8E5E0;
  --white:      #FFFFFF;
  --shadow-sm:  0 2px 8px rgba(168,35,35,0.08);
  --shadow-md:  0 8px 30px rgba(168,35,35,0.14);
  --shadow-lg:  0 20px 60px rgba(168,35,35,0.18);
  --shadow-book:0 25px 50px -12px rgba(0,0,0,0.25), 0 0 0 1px rgba(0,0,0,0.05);
  --radius:     16px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html, body {
  overflow-x: clip; /* FB30: Fix sticky header scroll detachment */
}
body {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--dark);
  user-select: none;
}
h1, h2, h3, h4 { font-family: 'Playfair Display', Georgia, serif; text-wrap: balance; }
button, a, input, select, textarea { font-family: inherit; }
button, a { cursor: pointer !important; }

/* TOP BAR */
.topbar {
  background: var(--red);
  color: white;
  text-align: center;
  padding: 8px 20px;
  font-size: 12.5px;
  font-weight: 500;
  position: relative;
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}
.topbar-disclaimer-badge {
  background: rgba(255,255,255,0.22);
  border: 1px solid rgba(255,255,255,0.35);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 10.5px;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.topbar a {
  color: var(--yellow);
  text-decoration: none;
  font-weight: 700;
  margin-left: 6px;
  display: inline-block;
}
.topbar a:hover { text-decoration: underline; }
.topbar-short-text { display: none; }

/* LANGUAGE SWITCHER */
.lang-switch-wrap {
  display: inline-flex;
  align-items: center;
  background: white;
  border: 1.5px solid var(--gray-l);
  border-radius: 100px;
  padding: 3px 6px;
  gap: 3px;
  font-size: 12px;
  font-weight: 700;
}
.lang-btn {
  background: none;
  border: none;
  padding: 3px 7px;
  border-radius: 100px;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--gray);
  transition: var(--transition);
}
.lang-btn.active {
  background: var(--red);
  color: white;
}
.lang-sep {
  color: var(--gray-l);
  font-size: 10px;
}

/* SETTINGS BUTTON */
.icon-nav-btn {
  background: white;
  border: 1.5px solid var(--gray-l);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--dark);
  transition: var(--transition);
}
.icon-nav-btn:hover {
  border-color: var(--red);
  background: var(--red-light);
}

/* MOBILE MENU TOGGLE & DRAWER */
.mobile-menu-btn {
  display: none;
  background: white;
  border: 1.5px solid var(--gray-l);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--dark);
  cursor: pointer;
  transition: var(--transition);
}
.mobile-menu-btn:hover {
  border-color: var(--red);
  background: var(--red-light);
}
.mobile-nav-drawer {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(250, 248, 245, 0.98);
  backdrop-filter: blur(16px);
  z-index: 10000;
  flex-direction: column;
  padding: 20px 20px 30px;
  overflow-y: auto;
  box-sizing: border-box;
}
.mobile-nav-drawer.open {
  display: flex;
  animation: fadeIn 0.2s ease;
}
.mnd-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--gray-l);
  padding-bottom: 12px;
  margin-bottom: 16px;
}
.mnd-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
}
.mnd-close-btn {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--gray);
  padding: 4px 8px;
}
.mnd-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}
.mnd-list a {
  display: block;
  padding: 12px 16px;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--dark);
  transition: var(--transition);
}
.mnd-list a:hover {
  border-color: var(--red);
  background: var(--red-light);
  color: var(--red);
}
.mnd-cta {
  margin-top: auto;
  padding-top: 12px;
}

/* BACK TO TOP BUTTON */
.back-to-top-btn {
  position: fixed;
  left: 50%;
  bottom: 20px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: white;
  color: var(--red);
  border: 1.5px solid var(--gray-l);
  box-shadow: 0 4px 14px rgba(0,0,0,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  z-index: 1400;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(12px);
  transition: opacity 220ms ease, transform 220ms ease, background 200ms ease, color 200ms ease;
}
.back-to-top-btn.show,
.back-to-top-btn.visible {
  opacity: 0.5;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.back-to-top-btn.is-scrolling {
  opacity: 0.15;
}
.back-to-top-btn:hover {
  opacity: 1 !important;
  background: var(--red);
  color: white;
  border-color: var(--red);
  box-shadow: var(--shadow-md);
  transform: translateX(-50%) translateY(-2px);
}

/* AUTH TABS */
.auth-tabs {
  display: flex;
  background: #f3f4f6;
  border-radius: 10px;
  padding: 4px;
  gap: 4px;
  margin-bottom: 16px;
}
.auth-tab-btn {
  flex: 1;
  background: none;
  border: none;
  padding: 8px 10px;
  font-size: 12.5px;
  font-weight: 700;
  border-radius: 8px;
  color: var(--gray);
  cursor: pointer;
  transition: var(--transition);
}
.auth-tab-btn.active {
  background: white;
  color: var(--red);
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}
.auth-form-panel {
  display: none;
  flex-direction: column;
  gap: 12px;
  text-align: left;
}
.auth-form-panel.active {
  display: flex;
}
.auth-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 16px 0 14px;
  color: #9ca3af;
  font-size: 11.5px;
  font-weight: 600;
}
.auth-divider::before, .auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gray-l);
}

/* STUDIO STEPPER */
.studio-stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: white;
  border-bottom: 1px solid var(--gray-l);
  padding: 6px 16px;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray);
  overflow-x: auto;
}
.st-step-item {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.st-step-num {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #f3f4f6;
  color: var(--gray);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
}
.st-step-item.active {
  color: var(--red);
  font-weight: 700;
}
.st-step-item.active .st-step-num {
  background: var(--red);
  color: white;
}
.st-step-arrow {
  color: var(--gray-l);
  font-size: 10px;
}

/* UNDO / REDO TOOLBAR BUTTONS */
.st-action-btn {
  background: white;
  border: 1.5px solid var(--gray-l);
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
  color: var(--dark);
  transition: var(--transition);
}
.st-action-btn:hover:not(:disabled) {
  border-color: var(--red);
  color: var(--red);
  background: var(--red-light);
}
.st-action-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed !important;
}
.topbar a {
  color: var(--yellow);
  text-decoration: none;
  font-weight: 700;
  margin-left: 8px;
  display: inline-block;
}
.topbar a:hover { text-decoration: underline; }

/* HEADER */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(250, 248, 245, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(168, 35, 35, 0.1);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  box-sizing: border-box;
  gap: 8px;
}
.logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1;
  flex-shrink: 0;
}
.logo-main {
  font-family: 'Pacifico', cursive;
  font-size: 27px;
  color: var(--red);
}
.logo-sub {
  font-size: 9px;
  color: var(--gray);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 2px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.4vw, 20px);
  list-style: none;
  min-width: 0;
  flex: 1;
  justify-content: center;
  margin: 0 8px;
}
.nav-links a {
  text-decoration: none;
  color: #334155;
  font-size: 13.5px;
  font-weight: 600;
  padding: 6px 6px;
  border-radius: 6px;
  background: transparent !important;
  transition: color 0.15s ease;
  white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--red) !important;
  background: transparent !important;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
  flex-shrink: 0;
}

/* USER DROPDOWN */
.user-menu-wrapper { position: relative; flex-shrink: 0; }
.auth-btn {
  background: white;
  border: 1.5px solid var(--gray-l);
  padding: 8px 14px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 700;
  color: var(--dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: var(--transition);
}
.auth-btn:hover { border-color: var(--red); color: var(--red); background: var(--red-light); }
.user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 250px;
  background: white;
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
  border: 1px solid var(--gray-l);
  padding: 12px;
  display: none;
  flex-direction: column;
  gap: 6px;
  z-index: 1200;
}
.user-dropdown.open { display: flex; animation: fadeIn 0.2s ease; }
.ud-item {
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--dark);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.ud-item:hover { background: var(--red-light); color: var(--red); }
.ud-logout { color: #dc2626 !important; border-top: 1px solid var(--gray-l); margin-top: 4px; padding-top: 10px; }

.cart-btn {
  position: relative;
  background: white;
  border: 1.5px solid var(--gray-l);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  padding: 0;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  cursor: pointer;
  flex-shrink: 0;
}
.cart-btn:hover { background: var(--red-light); border-color: var(--red); }
.cart-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--red);
  color: white;
  font-size: 10px;
  font-weight: 800;
  min-width: 17px;
  height: 17px;
  padding: 0 4px;
  border-radius: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid white;
  line-height: 1;
}
.cart-badge.is-empty {
  display: none !important;
}
.cta-btn {
  background: var(--red);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 100px;
  font-size: 13.5px;
  font-weight: 700;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}
.cta-btn:hover { background: var(--red-mid); transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* PAGE SYSTEM */
.page { display: none; min-height: calc(100vh - 120px); }
.page.active { display: block; animation: fadeIn 0.25s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

/* HERO SECTION */
.hero {
  max-width: 1400px;
  margin: 0 auto;
  padding: 56px 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(36px, 4vw, 64px);
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--red-light);
  color: var(--red);
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(38px, 3.2vw, 52px);
  line-height: 1.18;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--dark);
}
.hero-title-accent {
  font-family: 'Pacifico', cursive;
  font-size: clamp(34px, 2.8vw, 46px);
  color: var(--red);
  display: block;
  font-style: normal;
  margin-top: 4px;
}
.hero-desc {
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.75;
  color: var(--gray);
  margin-bottom: 28px;
  max-width: 600px;
}
.hero-desc strong { color: var(--dark); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }
.btn-primary {
  background: var(--red);
  color: white;
  padding: 14px 28px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 700;
  border: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}
.btn-primary:hover { background: var(--red-mid); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline {
  background: white;
  color: var(--red);
  border: 1.5px solid var(--red);
  padding: 13px 24px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 700;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-outline:hover { background: var(--red-light); transform: translateY(-2px); }
.hero-trust { display: flex; gap: 20px; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--gray); font-weight: 600; }

/* 3D HERO AUTO-FLIPPING BOOK */
.hero-3d-wrapper { perspective: 1500px; display: flex; align-items: center; justify-content: center; }
.hero-book-3d {
  width: clamp(500px, 36vw, 680px);
  height: auto;
  aspect-ratio: 520 / 320;
  background: white;
  border-radius: 12px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.25), 0 0 0 1px rgba(0,0,0,0.05);
  display: grid;
  grid-template-columns: 1fr 12px 1fr;
  position: relative;
  cursor: pointer;
  transform-style: preserve-3d;
  animation: heroFloat3D 6s ease-in-out infinite;
  transition: transform 0.3s ease;
}
.hero-book-3d:hover { transform: rotateX(8deg) rotateY(-10deg) scale(1.03); }
@keyframes heroFloat3D {
  0%, 100% { transform: rotateX(6deg) rotateY(-8deg) translateY(0); }
  50% { transform: rotateX(10deg) rotateY(-12deg) translateY(-12px); }
}

/* 4 VALUES */
.values-section { background: white; padding: 80px 32px; }
.values-header { text-align: center; margin-bottom: 48px; }
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1400px;
  margin: 0 auto;
}
.value-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 30px 24px;
  transition: var(--transition);
  border: 1.5px solid transparent;
  cursor: pointer;
  display: flex;
  flex-direction: column;
}
.value-card:hover { transform: translateY(-6px); border-color: rgba(168,35,35,0.25); box-shadow: var(--shadow-md); background: white; }
.value-card:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }
.value-icon { width: 50px; height: 50px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 18px; }
.value-icon.red { background: var(--red-light); color: var(--red); }
.value-icon.green { background: rgba(109,158,81,0.15); color: var(--green-d); }
.value-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; line-height: 1.4; text-wrap: balance; color: var(--dark); }
.value-card p { font-size: 13.5px; color: #4b4b4b; line-height: 1.65; flex: 1; }
.value-card-more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; font-size: 12.5px; font-weight: 700; color: var(--red); transition: var(--transition); }
.value-card:hover .value-card-more { transform: translateX(4px); }

/* 3 PRICING TIERS */
.pricing-section { background: var(--bg); padding: 80px 32px; }
.pricing-header { text-align: center; margin-bottom: 48px; }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1400px;
  width: min(calc(100% - 64px), 1400px);
  margin: 0 auto;
}
.pricing-card {
  background: white;
  border-radius: 20px;
  padding: 34px 28px;
  border: 1.5px solid var(--gray-l);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}
.pricing-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(168,35,35,0.3); }
.pricing-card.featured { border: 2px solid var(--red); background: linear-gradient(150deg, #ffffff 0%, #fff8f8 100%); box-shadow: var(--shadow-sm); }
.pricing-badge { position: absolute; top: 16px; right: 16px; background: var(--red); color: white; font-size: 11.5px; font-weight: 700; padding: 4px 12px; border-radius: 100px; }
.pkg-label { font-size: 11px; font-weight: 800; color: var(--red); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 8px; }
.pkg-name { font-size: 24px; font-weight: 700; margin-bottom: 14px; color: var(--dark); }
.pkg-price { font-size: 38px; font-weight: 800; color: var(--red); margin-bottom: 6px; }
.pkg-price sup { font-size: 18px; font-weight: 700; }
.pkg-note { font-size: 13px; color: var(--gray); margin-bottom: 22px; min-height: 38px; }
.pkg-features { list-style: none; margin-bottom: 28px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.pkg-features li { display: flex; align-items: flex-start; gap: 10px; font-size: 13.5px; color: var(--gray); line-height: 1.5; }
.pkg-features li.yes::before { content: '✓'; color: var(--green-d); font-weight: 800; font-size: 16px; flex-shrink: 0; }
.pkg-features li.no { opacity: 0.45; }
.pkg-features li.no::before { content: '✗'; color: var(--gray); font-weight: 800; font-size: 15px; flex-shrink: 0; }
.pkg-btn { width: 100%; padding: 13px; border-radius: 100px; font-size: 14.5px; font-weight: 700; border: none; transition: var(--transition); }
.pkg-btn-ol { background: white; border: 1.5px solid var(--red); color: var(--red); }
.pkg-btn-ol:hover { background: var(--red); color: white; transform: translateY(-2px); }
.pkg-btn-fi { background: var(--red); color: white; box-shadow: var(--shadow-sm); }
.pkg-btn-fi:hover { background: var(--red-mid); transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* TEMPLATES GRID */
.templates-grid-art {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 32px;
}
@media (min-width: 900px) and (max-width: 1179.98px) {
  .templates-grid-art {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}
@media (min-width: 768px) and (max-width: 899.98px) {
  .templates-grid-art {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
}
.art-tmpl-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  border: 1.5px solid var(--gray-l);
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  position: relative;
}
.art-tmpl-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--red); }
.art-tmpl-preview-box { height: 240px; position: relative; overflow: hidden; background: #222; }
.art-tmpl-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 0.5s ease; display: flex; align-items: center; justify-content: center; }
.art-tmpl-slide.active-slide { opacity: 1; }
.art-tmpl-slide img.bg-cover { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.85); }
.art-polaroid-1 {
  position: absolute;
  top: 18px;
  left: 18px;
  width: 110px;
  height: 130px;
  background: white;
  padding: 6px 6px 18px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.35);
  border-radius: 3px;
  transform: rotate(-6deg);
}
.art-polaroid-1 img { width: 100%; height: 100%; object-fit: cover; }
.art-polaroid-2 {
  position: absolute;
  bottom: 22px;
  right: 18px;
  width: 115px;
  height: 135px;
  background: white;
  padding: 6px 6px 18px;
  box-shadow: 0 10px 24px rgba(0,0,0,0.4);
  border-radius: 3px;
  transform: rotate(5deg);
}
.art-polaroid-2 img { width: 100%; height: 100%; object-fit: cover; }
.art-tmpl-info { padding: 18px; background: white; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.art-tmpl-title { font-size: 16px; font-weight: 700; color: var(--dark); }
.art-tmpl-tagline { font-size: 12px; color: var(--gray); line-height: 1.5; }
.art-tmpl-tag { display: inline-block; background: var(--red-light); color: var(--red); font-size: 11.5px; font-weight: 700; padding: 4px 10px; border-radius: 100px; align-self: flex-start; margin-top: 4px; }

/* ============================================================
   🌟 CANVA FREESTYLE STUDIO & PHYSICAL 3D CANVAS 🌟
============================================================ */
.studio-container { display: flex; flex-direction: column; height: calc(100vh - 68px); background: #f0ede6; overflow: hidden; position: relative; }

/* ── ZONE 1: TOP EDITOR BAR (48PX CANVA-INSPIRED) ── */
.studio-topbar { background: #ffffff; height: 48px; border-bottom: 1px solid var(--gray-l); display: flex; align-items: center; justify-content: space-between; padding: 0 16px; flex-shrink: 0; z-index: 100; box-shadow: 0 1px 4px rgba(0,0,0,0.03); }
.st-left { display: flex; align-items: center; gap: 10px; }
.st-title-wrapper { display: flex; align-items: center; gap: 8px; }
.st-album-title { font-family: 'Lora', serif; font-size: 14.5px; font-weight: 700; color: var(--dark); border: 1px solid transparent; padding: 4px 8px; border-radius: 6px; background: transparent; transition: all 0.2s; }
.st-album-title:hover { background: #f5f3ef; border-color: #e2ded5; }
.st-album-title:focus { outline: none; background: #ffffff; border-color: var(--red); box-shadow: 0 0 0 2px rgba(168,35,35,0.15); }
.st-badge { background: var(--red-light); color: var(--red); font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 100px; white-space: nowrap; }

/* Cloud sync status indicator */
.studio-sync-status { display: flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 600; color: #16a34a; background: #f0fdf4; border: 1px solid #bbf7d0; padding: 3px 8px; border-radius: 100px; }
.studio-sync-status.syncing { color: #d97706; background: #fffbeb; border-color: #fde68a; }
.studio-sync-status .sync-dot { width: 6px; height: 6px; border-radius: 50%; background: #16a34a; }
.studio-sync-status.syncing .sync-dot { background: #d97706; animation: syncPulse 0.8s infinite alternate; }
@keyframes syncPulse { 0% { opacity: 0.3; } 100% { opacity: 1; } }

.st-history-group { display: flex; align-items: center; gap: 4px; margin-left: 2px; }
.st-action-btn { width: 28px; height: 28px; border-radius: 6px; border: 1px solid var(--gray-l); background: white; color: var(--dark); font-size: 13px; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.15s; }
.st-action-btn:hover:not(:disabled) { background: var(--red-light); color: var(--red); border-color: var(--red); }
.st-action-btn:disabled { opacity: 0.35; cursor: not-allowed; }

.st-center { display: flex; align-items: center; background: var(--bg); padding: 3px; border-radius: 100px; border: 1px solid var(--gray-l); gap: 2px; }
.st-tab-btn { background: none; border: none; padding: 5px 14px; border-radius: 100px; font-size: 12px; font-weight: 700; color: var(--gray); cursor: pointer; transition: var(--transition); }
.st-tab-btn:hover { color: var(--dark); }
.st-tab-btn.active { background: white; color: var(--red); box-shadow: 0 2px 6px rgba(0,0,0,0.08); }
.st-right { display: flex; align-items: center; gap: 10px; }
.st-price-tag { font-size: 16px; font-weight: 800; color: var(--red); }

/* ── ZONE 2: CONTEXTUAL TOOLBAR (FB80: REMOVED REDUNDANT TOOLBAR) ── */
.studio-contextual-toolbar {
  display: none !important;
  height: 0 !important;
  border: none !important;
  padding: 0 !important;
  margin: 0 !important;
  pointer-events: none !important;
}
.ctx-left, .ctx-center, .ctx-right { display: flex; align-items: center; gap: 8px; }
.ctx-badge { font-weight: 800; font-size: 11.5px; color: var(--dark); display: flex; align-items: center; gap: 5px; }
.ctx-btn {
  background: #ffffff;
  border: 1px solid var(--gray-l);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
  transition: all 0.15s ease;
}
.ctx-btn:hover { border-color: var(--red); color: var(--red); background: var(--red-light); }
.ctx-btn.danger:hover { border-color: #dc2626; color: #dc2626; background: #fee2e2; }
.ctx-btn-icon { width: 28px; height: 28px; border-radius: 6px; border: 1px solid var(--gray-l); background: white; display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 13px; transition: all 0.15s; }
.ctx-btn-icon:hover { border-color: var(--red); color: var(--red); background: var(--red-light); }
.ctx-select { padding: 4px 8px; border: 1px solid var(--gray-l); border-radius: 6px; font-size: 11.5px; background: white; font-family: inherit; }
.ctx-color-dot { width: 18px; height: 18px; border-radius: 50%; border: 1.5px solid #d1d5db; cursor: pointer; transition: transform 0.15s; }
.ctx-color-dot:hover, .ctx-color-dot.active { transform: scale(1.2); border-color: var(--red); }
.ctx-divider { width: 1px; height: 20px; background: #e5e7eb; margin: 0 4px; }

/* ── ZONE 3: MAIN BODY, LEFT RAIL (64PX) & FLYOUT DRAWER (310PX) ── */
.studio-body { display: flex; flex: 1; overflow: hidden; position: relative; }

/* 3A: Permanent Left Icon Rail */
.studio-rail {
  width: 64px;
  background: #ffffff;
  border-right: 1px solid var(--gray-l);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 0;
  z-index: 95;
  flex-shrink: 0;
  gap: 4px;
}
.studio-rail-btn {
  width: 56px;
  height: 52px;
  border: none;
  background: none;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  cursor: pointer;
  color: var(--gray);
  font-size: 10px;
  font-weight: 700;
  transition: all 0.18s ease;
  position: relative;
}
.studio-rail-btn .rail-icon { font-size: 17px; line-height: 1; }
.studio-rail-btn .rail-label { font-size: 9.5px; letter-spacing: -0.2px; }
.studio-rail-btn:hover { background: #f7f5f2; color: var(--dark); }
.studio-rail-btn.active {
  background: var(--red-light);
  color: var(--red);
}
.studio-rail-btn.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 3px;
  background: var(--red);
  border-radius: 0 3px 3px 0;
}

/* 3B: Flyout Drawer (Slides or floats out beside rail) */
.canva-sidebar.studio-flyout-drawer {
  width: 320px;
  background: #ffffff;
  border-right: 1px solid var(--gray-l);
  display: flex;
  flex-direction: column;
  position: absolute;
  left: 64px;
  top: 0;
  bottom: 0;
  z-index: 90;
  box-shadow: 8px 0 25px rgba(0,0,0,0.07);
  transition: transform 0.24s cubic-bezier(0.2, 0, 0.2, 1), opacity 0.18s ease;
  overflow: hidden;
}
.canva-sidebar.studio-flyout-drawer.collapsed {
  transform: translateX(-100%);
  pointer-events: none;
  opacity: 0;
}
.flyout-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-l);
  background: #faf9f7;
  flex-shrink: 0;
}
.flyout-drawer-title { font-size: 13.5px; font-weight: 800; color: var(--dark); }
.flyout-drawer-close {
  border: none;
  background: none;
  font-size: 15px;
  color: var(--gray);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  line-height: 1;
}
.flyout-drawer-close:hover { background: var(--gray-l); color: var(--dark); }

.canva-tab-content { padding: 16px; overflow-y: auto; flex: 1; display: none; }
.canva-tab-content.active { display: block; animation: fadeIn 0.18s ease; }

.c-section-title { font-size: 12.5px; font-weight: 800; color: var(--dark); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.btn-tool-action { width: 100%; padding: 10px; border-radius: 10px; border: 1.5px dashed var(--gray-l); background: var(--bg); font-size: 12.5px; font-weight: 700; color: var(--dark); display: flex; align-items: center; justify-content: center; gap: 8px; margin-bottom: 10px; transition: var(--transition); }
.btn-tool-action:hover { border-color: var(--red); background: var(--red-light); color: var(--red); }

.layout-picker-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 16px; }
.layout-card { border: 2px solid var(--gray-l); border-radius: 12px; padding: 10px; cursor: pointer; transition: var(--transition); background: var(--bg); text-align: center; }
.layout-card:hover, .layout-card.active { border-color: var(--red) !important; background: var(--red-light) !important; }
.layout-name { font-size: 12px; font-weight: 700; color: var(--dark); }

.uploaded-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 10px; }
.uploaded-item { aspect-ratio: 1; border-radius: 8px; overflow: hidden; border: 1px solid var(--gray-l); cursor: grab; position: relative; transition: var(--transition); }
.uploaded-item:active { cursor: grabbing; }
.uploaded-item:hover { transform: scale(1.04); box-shadow: 0 4px 10px rgba(0,0,0,0.15); }
.uploaded-item img { width: 100%; height: 100%; object-fit: cover; pointer-events: none; -webkit-user-drag: none; }

/* 5 STICKER CATEGORIES */
.sticker-subtabs { display: flex; gap: 4px; overflow-x: auto; margin-bottom: 12px; padding-bottom: 4px; }
.sticker-subtab-btn { background: var(--bg); border: 1px solid var(--gray-l); border-radius: 100px; padding: 4px 10px; font-size: 11px; font-weight: 700; white-space: nowrap; }
.sticker-subtab-btn.active { background: var(--red); color: white; border-color: var(--red); }
.sticker-category-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 14px; }
.sticker-item-btn { aspect-ratio: 1; background: var(--bg); border: 1px solid var(--gray-l); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 24px; cursor: grab; transition: var(--transition); }
.sticker-item-btn:hover { background: white; border-color: var(--red); transform: scale(1.15); box-shadow: 0 4px 12px rgba(0,0,0,0.1); }

/* FONT & QUICK SALUTATION CHIPS */
.salutation-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.sal-chip { background: var(--bg); border: 1px solid var(--gray-l); padding: 4px 10px; border-radius: 100px; font-size: 11.5px; font-weight: 700; cursor: pointer; transition: var(--transition); }
.sal-chip:hover { background: var(--red-light); color: var(--red); border-color: var(--red); }

.font-select { width: 100%; padding: 10px 12px; border: 1.5px solid var(--gray-l); border-radius: 10px; font-size: 13.5px; margin-bottom: 12px; }
.color-picker-row { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; }
.color-dot { width: 26px; height: 26px; border-radius: 50%; border: 2px solid white; box-shadow: 0 0 0 1px #ccc; cursor: pointer; }
.color-dot.active { box-shadow: 0 0 0 2px var(--red); transform: scale(1.1); }

/* ============================================================
   📖 PHYSICAL 3D ALBUM STRUCTURE (COVER / OPEN / BACK) 📖
============================================================ */
.studio-stage { flex: 1; width: 100%; min-width: 0; display: flex; flex-direction: column; align-items: center; justify-content: space-between; padding: 16px 20px; background: radial-gradient(circle at center, #ece7de 0%, #d8d2c4 100%); position: relative; overflow: hidden; transition: margin-left 0.22s cubic-bezier(0.2, 0, 0.2, 1); }
@media (min-width: 960px) {
  body.drawer-open .studio-stage {
    margin-left: 320px;
  }
}
.stage-toolbar { flex-shrink: 0; display: flex; align-items: center; justify-content: space-between; width: 100%; max-width: min(1200px, 94%); margin-bottom: 12px; z-index: 50; }
.spread-title-tag { font-size: 13.5px; font-weight: 800; color: var(--dark); background: white; padding: 6px 14px; border-radius: 100px; box-shadow: 0 2px 8px rgba(0,0,0,0.06); }
.fn-btn { background: white; border: 1px solid var(--gray-l); padding: 8px 14px; border-radius: 100px; font-size: 12.5px; font-weight: 700; color: var(--dark); transition: var(--transition); }
.fn-btn:hover { background: var(--red); color: white; border-color: var(--red); }

.photobook-stage-wrapper { perspective: 1600px; display: flex; align-items: center; justify-content: center; width: 100%; flex: 1; min-height: 0; position: relative; }

/* 1. OPEN 180° SPREAD (CO GIÃN THEO KÍCH THƯỚC THẬT) */
.layflat-book {
  width: 100%;
  max-width: 860px;
  height: 460px;
  background: white;
  border-radius: 12px;
  box-shadow: var(--shadow-book);
  display: grid;
  grid-template-columns: 1fr 12px 1fr;
  position: relative;
  border: 1px solid rgba(0,0,0,0.08);
  transition: max-width 0.35s cubic-bezier(0.4, 0, 0.2, 1), height 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s ease, transform 0.25s ease;
  transform-style: preserve-3d;
}

/* REAL PHYSICAL RATIOS & DIMENSIONS (FB77: TRUE PHYSICAL ASPECT RATIOS) */
/* 1. A5 Portrait (15 × 21 cm) · Spread ~1.429 · Single ~0.714 */
.layflat-book.ratio-portrait {
  width: 672px;
  max-width: 672px;
  height: 460px;
  grid-template-columns: 330px 12px 330px;
}
/* 2. Square (20 × 20 cm) · Spread 2.0 · Single 1.0 */
.layflat-book.ratio-square {
  width: 892px;
  max-width: 892px;
  height: 440px;
  grid-template-columns: 440px 12px 440px;
}
/* 3. A5 Landscape (21 × 15 cm) · Spread 2.8 · Single 1.4 */
.layflat-book.ratio-landscape {
  width: 992px;
  max-width: 992px;
  height: 350px;
  grid-template-columns: 490px 12px 490px;
}
/* 4. A6 Mini (10 × 15 cm) · Spread ~1.333 · Single ~0.667 */
.layflat-book.ratio-mini {
  width: 652px;
  max-width: 652px;
  height: 480px;
  grid-template-columns: 320px 12px 320px;
}

/* 2. CLOSED 3D FRONT COVER */
.layflat-book.single-cover-mode {
  grid-template-columns: 1fr;
  box-shadow: -15px 25px 50px rgba(0,0,0,0.35), 0 0 0 1px rgba(0,0,0,0.1);
  border-left: 14px solid #1a1a2e;
}
.layflat-book.single-cover-mode.ratio-portrait { width: 330px !important; max-width: 330px !important; height: 460px !important; }
.layflat-book.single-cover-mode.ratio-square { width: 440px !important; max-width: 440px !important; height: 440px !important; }
.layflat-book.single-cover-mode.ratio-landscape { width: 490px !important; max-width: 490px !important; height: 350px !important; }
.layflat-book.single-cover-mode.ratio-mini { width: 320px !important; max-width: 320px !important; height: 480px !important; }

.layflat-book.single-cover-mode .layflat-spine,
.layflat-book.single-cover-mode .pb-page.left-page { display: none !important; }
.layflat-book.single-cover-mode .pb-page.right-page { border-radius: 4px 12px 12px 4px; display: flex !important; }

/* 3. CLOSED 3D BACK COVER */
.layflat-book.single-back-mode {
  grid-template-columns: 1fr;
  box-shadow: 15px 25px 50px rgba(0,0,0,0.35), 0 0 0 1px rgba(0,0,0,0.1);
  border-right: 14px solid #1a1a2e;
}
.layflat-book.single-back-mode.ratio-portrait { width: 330px !important; max-width: 330px !important; height: 460px !important; }
.layflat-book.single-back-mode.ratio-square { width: 440px !important; max-width: 440px !important; height: 440px !important; }
.layflat-book.single-back-mode.ratio-landscape { width: 490px !important; max-width: 490px !important; height: 350px !important; }
.layflat-book.single-back-mode.ratio-mini { width: 320px !important; max-width: 320px !important; height: 480px !important; }

.layflat-book.single-back-mode .layflat-spine,
.layflat-book.single-back-mode .pb-page.left-page { display: none !important; }
.layflat-book.single-back-mode .pb-page.right-page { border-radius: 12px 4px 4px 12px; display: flex !important; }

.layflat-spine {
  background: linear-gradient(to right, rgba(0,0,0,0.18) 0%, rgba(0,0,0,0.06) 30%, rgba(255,255,255,0.4) 50%, rgba(0,0,0,0.06) 70%, rgba(0,0,0,0.18) 100%);
  box-shadow: inset 0 0 6px rgba(0,0,0,0.15);
  z-index: 10;
  position: relative;
}
.pb-page { padding: 24px; position: relative; overflow: hidden; display: flex; flex-direction: column; background-color: var(--bg); }
.pb-page.left-page { border-radius: 12px 0 0 12px; background: linear-gradient(to right, #faf8f5 95%, #eae6dc 100%); }
.pb-page.right-page { border-radius: 0 12px 12px 0; background: linear-gradient(to left, #faf8f5 95%, #eae6dc 100%); }

/* 🌟 UNIFIED SEAMLESS SPREAD OVERLAY (CROSS-PAGE DRAGGING 100%) 🌟 */
.spread-freeform-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 40;
}

/* DYNAMIC CANVA FREESTYLE ELEMENTS ON SPREAD */
.freeform-canvas-item {
  position: absolute;
  cursor: grab;
  pointer-events: auto;
  z-index: 45;
  touch-action: none;
}
.freeform-canvas-item:active { cursor: grabbing; }
.freeform-canvas-item:hover, .freeform-canvas-item.active {
  outline: 2px dashed var(--red);
  box-shadow: 0 8px 24px rgba(168,35,35,0.3);
}
.fci-delete-btn {
  position: absolute;
  top: -10px;
  right: -10px;
  width: 24px;
  height: 24px;
  background: #dc2626;
  color: white;
  border: 2px solid white;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 800;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 60;
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
}
.freeform-canvas-item:hover .fci-delete-btn { display: flex; }

/* RESIZE & ROTATE HANDLES FOR CANVA FRAMES (360° FREE ROTATION) */
.fci-resize-handle {
  position: absolute;
  bottom: -6px;
  right: -6px;
  width: 18px;
  height: 18px;
  background: var(--red);
  border: 2px solid white;
  border-radius: 50%;
  cursor: se-resize;
  display: none;
  z-index: 60;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.fci-rotate-handle {
  position: absolute;
  bottom: -32px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 26px;
  background: #ffffff;
  color: #374151;
  border: 1.5px solid #d1d5db;
  border-radius: 50%;
  cursor: grab;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  z-index: 70;
  box-shadow: 0 2px 8px rgba(0,0,0,0.18);
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  user-select: none;
  touch-action: none;
}
.fci-rotate-handle::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 1.5px;
  height: 8px;
  background: #9ca3af;
}
.fci-rotate-handle:hover {
  background: #f9fafb;
  transform: translateX(-50%) scale(1.12);
  border-color: var(--red);
  color: var(--red);
}
.fci-rotate-handle:active {
  cursor: grabbing;
  background: #f3f4f6;
}

.freeform-canvas-item:hover .fci-resize-handle,
.freeform-canvas-item.active .fci-resize-handle {
  display: block;
}
.freeform-canvas-item:hover .fci-rotate-handle,
.freeform-canvas-item.active .fci-rotate-handle {
  display: flex;
}
.freeform-canvas-item.is-locked .fci-resize-handle,
.freeform-canvas-item.is-locked .fci-rotate-handle {
  display: none !important;
}

.interactive-photo-slot {
  border: 2px dashed rgba(168,35,35,0.3);
  background: #fdfdfd;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.interactive-photo-slot.drop-target-active {
  border-color: #16a34a !important;
  border-style: solid !important;
  background: rgba(22, 163, 74, 0.15) !important;
  transform: scale(1.03);
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.4);
}
.photo-drop-hint-overlay {
  display: none;
  position: absolute;
  inset: 0;
  background: rgba(22, 163, 74, 0.85);
  color: white;
  font-weight: 800;
  font-size: 13px;
  align-items: center;
  justify-content: center;
  z-index: 30;
  pointer-events: none;
  border-radius: 6px;
}
.interactive-photo-slot.drop-target-active .photo-drop-hint-overlay {
  display: flex;
}
.photo-img-layer { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; pointer-events: none; -webkit-user-drag: none; }
.photo-img-layer[src=""],
.photo-img-layer:not([src]) {
  display: none !important;
}

/* SLOT LOADING & ERROR STATES */
.slot-loading-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8fafc;
  color: var(--gray);
  font-size: 11px;
  font-weight: 600;
  gap: 6px;
  z-index: 4;
}
.slot-loading-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-top-color: var(--red, #a82323);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.slot-error-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px;
  text-align: center;
  background: #fff1f2;
  border: 1.5px dashed #f43f5e;
  border-radius: 6px;
  color: #9f1239;
  z-index: 5;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* SPOTIFY SOUNDWAVE BAR */
.spotify-soundwave-bar {
  background: var(--red-burgundy);
  color: white;
  padding: 8px 14px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 4px 12px rgba(139,30,63,0.35);
  margin-top: 10px;
}
.spotify-logo-icon { width: 24px; height: 24px; background: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--red-burgundy); font-size: 15px; font-weight: 800; flex-shrink: 0; }
.spotify-wave-lines { display: flex; align-items: center; gap: 3px; height: 24px; flex: 1; justify-content: center; }
.sw-line { width: 3px; background: white; border-radius: 2px; }

/* FLOATING CANVA PHOTO MICRO-TOOLBAR */
.photo-floating-toolbar {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(26,26,26,0.92);
  backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: 100px;
  display: none;
  align-items: center;
  gap: 10px;
  color: white;
  z-index: 500;
  box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}
.photo-floating-toolbar.active { display: flex; animation: fadeIn 0.2s ease; }
.pft-btn { background: none; border: none; color: white; font-size: 12px; padding: 4px 8px; border-radius: 6px; display: flex; align-items: center; gap: 4px; }
.pft-btn:hover { background: rgba(255,255,255,0.2); }
.pft-slider { width: 70px; accent-color: var(--red); cursor: pointer; }

/* ============================================================
   🌟 CANVA-STYLE IMAGE FRAME ENGINE (PLACEHOLDER & CROP) 🌟
============================================================ */
.canva-image-frame-wrapper {
  background: white;
  padding: 8px 8px 18px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.12);
  border-radius: 4px;
  position: relative;
  transition: box-shadow 0.18s ease;
  user-select: none;
}
.canva-image-frame-wrapper.style-clean {
  padding: 0;
  box-shadow: 0 4px 14px rgba(0,0,0,0.15);
  border-radius: 8px;
  overflow: hidden;
}

/* Empty Placeholder State (Canva Landscape Graphic) */
.canva-frame-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #70b4e8 0%, #bce0fd 50%, #95d36e 50%, #5ba836 100%);
  border: 2px dashed rgba(255,255,255,0.7);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  color: white;
  text-shadow: 0 1px 3px rgba(0,0,0,0.4);
  transition: transform 0.15s ease, filter 0.15s ease;
}
.canva-frame-placeholder:hover {
  filter: brightness(1.05);
}
.canva-frame-placeholder .cfp-cloud {
  position: absolute;
  top: 15%;
  left: 20%;
  width: 32px;
  height: 12px;
  background: white;
  border-radius: 100px;
  opacity: 0.85;
}
.canva-frame-placeholder .cfp-hill {
  position: absolute;
  bottom: 0;
  width: 120%;
  height: 45%;
  background: #73b845;
  border-radius: 50% 50% 0 0;
}

/* Populated Image Frame Content Container */
.canva-frame-inner-viewport {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  border-radius: 3px;
  background: #f0ede6;
}
.canva-frame-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  transform-origin: center center;
  pointer-events: none;
  -webkit-user-drag: none;
}

/* DOUBLE CLICK: IMAGE ADJUSTMENT / CROP MODE */
.freeform-canvas-item.crop-mode-active {
  outline: 2px solid #2563eb !important;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.35), 0 12px 28px rgba(0,0,0,0.25) !important;
  z-index: 100 !important;
}
.freeform-canvas-item.crop-mode-active .canva-frame-inner-viewport {
  cursor: grab;
}
.freeform-canvas-item.crop-mode-active .canva-frame-inner-viewport:active {
  cursor: grabbing;
}
.crop-mode-badge {
  display: none;
  position: absolute;
  top: -28px;
  left: 50%;
  transform: translateX(-50%);
  background: #2563eb;
  color: white;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 100px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
  white-space: nowrap;
  pointer-events: none;
  z-index: 110;
}
.freeform-canvas-item.crop-mode-active .crop-mode-badge {
  display: block;
}

/* FLOATING CROP ACTION BAR */
.canva-frame-toolbar {
  position: absolute;
  top: -46px;
  left: 50%;
  transform: translateX(-50%);
  background: #1e1e1e;
  border-radius: 100px;
  padding: 4px 10px;
  display: none;
  align-items: center;
  gap: 8px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.3);
  z-index: 150;
  color: white;
  white-space: nowrap;
}
.freeform-canvas-item.crop-mode-active .canva-frame-toolbar {
  display: flex;
}
.cft-btn {
  background: rgba(255,255,255,0.12);
  color: white;
  border: none;
  padding: 4px 8px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 3px;
  transition: var(--transition);
}
/* 🌟 COMPACT CONTEXTUAL FLOATING TOOLBAR (CANVA-STYLE) 🌟 */
.element-action-toolbar {
  position: absolute;
  top: -38px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(30, 30, 30, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 100px;
  padding: 3px 8px;
  display: none;
  align-items: center;
  gap: 4px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.35);
  z-index: 150;
  color: white;
  white-space: nowrap;
}
.freeform-canvas-item.active .element-action-toolbar {
  display: flex;
}
.eat-btn {
  background: transparent;
  color: white;
  border: none;
  padding: 4px 8px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 3px;
  transition: var(--transition);
}
.eat-btn:hover { background: rgba(255,255,255,0.2); }
.eat-btn.danger { color: #fca5a5; }
.eat-btn.danger:hover { background: #dc2626; color: #ffffff; }
.eat-btn.close-btn {
  border-left: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 0 100px 100px 0;
  padding-left: 8px;
  margin-left: 2px;
  color: #d1d5db;
  font-size: 12px;
}
.eat-btn.close-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

/* 🌟 MELSOU CONTEXT MENU SYSTEM (RIGHT-CLICK & MORE) 🌟 */
.melsou-context-menu {
  position: fixed;
  background: rgba(28, 28, 28, 0.96);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45);
  padding: 6px;
  min-width: 210px;
  z-index: 9999;
  display: none;
  font-family: inherit;
  color: #f1f5f9;
  animation: contextFadeIn 0.12s ease-out;
  user-select: none;
}
@keyframes contextFadeIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}
.mcm-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.12s ease;
  position: relative;
}
.mcm-item:hover {
  background: rgba(255, 255, 255, 0.15);
}
.mcm-item.danger:hover {
  background: rgba(220, 38, 38, 0.85);
  color: white;
}
.mcm-left {
  display: flex;
  align-items: center;
  gap: 8px;
}
.mcm-shortcut {
  font-size: 10.5px;
  opacity: 0.55;
  font-family: monospace;
}
.mcm-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: 4px 6px;
}
.mcm-has-submenu:hover > .mcm-submenu {
  display: block;
}
.mcm-submenu {
  position: absolute;
  top: -6px;
  left: 100%;
  margin-left: 4px;
  background: rgba(28, 28, 28, 0.96);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45);
  padding: 6px;
  min-width: 170px;
  display: none;
}
.mcm-submenu.flip-left {
  left: auto;
  right: 100%;
  margin-left: 0;
  margin-right: 4px;
}
@keyframes authSpin {
  to { transform: rotate(360deg); }
}

/* LOCKED ELEMENT STATE */
.freeform-canvas-item.is-locked {
  cursor: not-allowed !important;
  opacity: 0.92;
}
.freeform-canvas-item.is-locked .fci-resize-handle {
  display: none !important;
}

/* PRINT SAFE AREA GUIDES */
.print-safe-guides-layer {
  position: absolute;
  inset: 16px;
  border: 1.5px dashed rgba(220, 38, 38, 0.45);
  border-radius: 4px;
  pointer-events: none;
  display: none;
  z-index: 60;
}
.print-safe-guides-layer.active {
  display: block;
}
.psg-badge {
  position: absolute;
  top: 4px;
  right: 6px;
  background: rgba(220, 38, 38, 0.85);
  color: white;
  font-size: 9.5px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
}
.psg-spine-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  border-left: 2px dashed rgba(220, 38, 38, 0.45);
}

/* 🌟 REAL-TIME SAFE AREA BLEED WARNING (BÁO ĐỎ KHI VƯỢT MÉP IN) 🌟 */
.freeform-canvas-item.safe-area-warning {
  outline: 2.5px solid #dc2626 !important;
  box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.35), 0 8px 24px rgba(220, 38, 38, 0.35) !important;
}
.safe-area-violation-badge {
  display: none;
  position: absolute;
  top: -30px;
  right: 0;
  background: #dc2626;
  color: white;
  font-size: 10.5px;
  font-weight: 800;
  padding: 3px 9px;
  border-radius: 6px;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.4);
  z-index: 120;
  pointer-events: none !important;
  user-select: none;
  animation: bounceAlert 0.35s ease;
}
.freeform-canvas-item.safe-area-warning .safe-area-violation-badge {
  display: flex;
  align-items: center;
  gap: 4px;
}
@keyframes bounceAlert {
  0% { transform: scale(0.85); opacity: 0; }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); opacity: 1; }
}

/* PRESET LAYOUTS CARDS IN TAB BỐ CỤC */
.preset-layouts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 10px;
}
.preset-layout-card {
  background: white;
  border: 1.5px solid var(--gray-l);
  border-radius: 10px;
  padding: 8px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.preset-layout-card:hover {
  border-color: var(--red);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(168,35,35,0.15);
}
.plc-preview {
  width: 100%;
  height: 60px;
  background: #f8f6f0;
  border-radius: 6px;
  display: flex;
  padding: 4px;
  gap: 4px;
  align-items: center;
  justify-content: center;
}
.plc-box {
  background: #cbd5e1;
  border: 1px dashed #94a3b8;
  border-radius: 3px;
}
.plc-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--dark);
  text-align: center;
}

.pb-polaroid { background: white; padding: 8px 8px 18px; box-shadow: 0 4px 14px rgba(0,0,0,0.12); border-radius: 3px; position: relative; }
.pb-washi-corner { position: absolute; width: 32px; height: 14px; background: rgba(188, 217, 162, 0.85); box-shadow: 0 1px 3px rgba(0,0,0,0.1); z-index: 5; }

.pb-editable-text { border: 1px dashed transparent; padding: 2px 6px; border-radius: 4px; transition: var(--transition); }
.pb-editable-text:hover { border-color: var(--red); background: rgba(253, 242, 242, 0.6); }
.pb-editable-text:focus { outline: none; border-color: var(--red); background: white; }

/* ZONE 5: CANVA FILMSTRIP TRAY & WRAPPER (~70PX) */
.studio-filmstrip-wrapper {
  flex-shrink: 0;
  width: 100%;
  max-width: min(1200px, 94%);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border: 1px solid var(--gray-l);
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  overflow: hidden;
  z-index: 80;
  margin-top: 8px;
  transition: all 0.25s ease;
}
.filmstrip-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 12px;
  background: #faf9f7;
  border-bottom: 1px solid #edebe8;
}
.filmstrip-header-left { display: flex; align-items: center; gap: 6px; }
.filmstrip-summary-icon { font-size: 11px; }
.filmstrip-summary { font-size: 11px; font-weight: 700; color: var(--gray); }
.filmstrip-toggle-btn {
  background: none;
  border: none;
  font-size: 11px;
  color: var(--gray);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  transition: all 0.15s;
}
.studio-filmstrip-wrapper.collapsed .canva-filmstrip { display: none !important; }

.canva-filmstrip {
  height: 72px;
  background: transparent;
  display: flex;
  align-items: center;
  padding: 6px 12px;
  gap: 10px;
  overflow-x: auto;
  width: 100%;
  box-sizing: border-box;
}
.filmstrip-item {
  flex: 0 0 84px;
  height: 56px;
  background: #ffffff;
  border-radius: 6px;
  border: 1.5px solid var(--gray-l);
  cursor: pointer;
  transition: all 0.18s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3px;
  position: relative;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.filmstrip-item:hover { border-color: var(--red); transform: translateY(-1px); }
.filmstrip-item.active {
  border-color: var(--red) !important;
  box-shadow: 0 0 0 2px rgba(168,35,35,0.25);
  background: #fff8f8;
}

/* DEDICATED SPREAD REMOVE BUTTON (FB88) */
.filmstrip-remove-btn {
  position: absolute;
  top: -6px;
  right: -6px;
  width: 22px;
  height: 22px;
  background: #dc2626;
  color: #ffffff;
  border: 1.5px solid #ffffff;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 30;
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
  transition: transform 0.15s ease, background 0.15s ease;
  pointer-events: auto;
  line-height: 1;
  padding: 0;
}
.filmstrip-remove-btn:hover {
  background: #b91c1c;
  transform: scale(1.15);
}

/* SINGLE COVER THUMBNAIL (BÌA TRƯỚC / BÌA SAU) */
.filmstrip-single-cover {
  width: 44px;
  height: 30px;
  background: #fdfbf7;
  border-radius: 4px;
  border: 1px solid #e0dcd5;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8.5px;
  font-weight: 700;
  color: var(--dark);
}

/* SPREAD THUMBNAIL (TRANG ĐÔI) */
.filmstrip-mini-spread {
  display: flex;
  width: 86%;
  height: 30px;
  gap: 1px;
  background: #ffffff;
  border-radius: 4px;
  border: 1px solid #e0dcd5;
  overflow: hidden;
}
.fms-page { flex: 1; background: #f7f6f2; display: flex; align-items: center; justify-content: center; font-size: 8px; color: #777; font-weight: 700; }
.filmstrip-label { font-size: 9.5px; font-weight: 700; color: var(--gray); margin-top: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 76px; }
.filmstrip-item.active .filmstrip-label { color: var(--red); font-weight: 800; }

.btn-add-spread-tray {
  flex: 0 0 120px;
  height: 56px;
  background: var(--red-light);
  border: 1.5px dashed var(--red);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--red);
  font-size: 10px;
  font-weight: 800;
  gap: 2px;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}
.btn-add-spread-tray:hover { background: var(--red); color: white; transform: translateY(-1px); }

/* SPOTIFY OFFICIAL EMBED WIDGET */
.spotify-official-embed-container {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(0,0,0,0.1);
  margin-top: 10px;
}
.spotify-suggestion-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.sp-chip { background: white; border: 1px solid var(--gray-l); padding: 4px 8px; border-radius: 100px; font-size: 10.5px; font-weight: 700; cursor: pointer; transition: var(--transition); }
.sp-chip:hover { border-color: var(--spotify); color: var(--spotify); }

/* FLOATING SPOTIFY WIDGET IN STUDIO */
.floating-spotify-official {
  position: absolute;
  bottom: 110px;
  right: 24px;
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(12px);
  color: white;
  border-radius: 16px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
  border: 1px solid rgba(255,255,255,0.15);
  z-index: 500;
  max-width: 320px;
  animation: fadeIn 0.3s ease;
}

/* ============================================================
   📖 3D FULLSCREEN MODAL (PHYSICAL HEYZINE REALTIME) 📖
============================================================ */
.flipbook-modal {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at center, rgba(30,22,18,0.85) 0%, rgba(10,8,6,0.96) 100%),
              url('https://images.unsplash.com/photo-1544816155-12df9643f363?w=1600&auto=format&fit=crop&q=80') center/cover;
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
}
.flipbook-modal.open { display: flex; animation: fadeIn 0.25s ease; }
.fbm-header { width: 100%; max-width: 1200px; display: flex; justify-content: space-between; align-items: center; color: white; }
.fbm-title { font-family: 'Lora', serif; font-size: 18px; text-shadow: 0 2px 8px rgba(0,0,0,0.6); }
.fbm-close-btn { background: rgba(255,255,255,0.15); border: none; color: white; width: 38px; height: 38px; border-radius: 50%; font-size: 18px; display: flex; align-items: center; justify-content: center; }
.fbm-close-btn:hover { background: var(--red); }
.fbm-viewport { flex: 1; display: flex; align-items: center; justify-content: center; width: 100%; max-width: 1050px; perspective: 2200px; }

.fbm-book {
  width: 700px;
  height: 480px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 40px 90px rgba(0,0,0,0.7), 0 10px 30px rgba(0,0,0,0.5);
  display: grid;
  grid-template-columns: 1fr 12px 1fr;
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.12s ease-out, width 0.3s ease, height 0.3s ease;
  cursor: grab;
}

/* FB77: Physical format ratios for Desktop 3D */
.fbm-book.ratio-portrait { width: 700px; height: 480px; grid-template-columns: 344px 12px 344px; }
.fbm-book.ratio-portrait.fbm-single-cover,
.fbm-book.ratio-portrait.fbm-single-back { width: 344px; max-width: 344px; height: 480px; }

.fbm-book.ratio-square { width: 892px; height: 440px; grid-template-columns: 440px 12px 440px; }
.fbm-book.ratio-square.fbm-single-cover,
.fbm-book.ratio-square.fbm-single-back { width: 440px; max-width: 440px; height: 440px; }

.fbm-book.ratio-landscape { width: 980px; height: 350px; grid-template-columns: 484px 12px 484px; }
.fbm-book.ratio-landscape.fbm-single-cover,
.fbm-book.ratio-landscape.fbm-single-back { width: 484px; max-width: 484px; height: 350px; }

.fbm-book.ratio-mini { width: 652px; height: 480px; grid-template-columns: 320px 12px 320px; }
.fbm-book.ratio-mini.fbm-single-cover,
.fbm-book.ratio-mini.fbm-single-back { width: 320px; max-width: 320px; height: 480px; }

.fbm-book.fbm-single-cover {
  grid-template-columns: 1fr;
  border-left: 14px solid #1a1a2e;
}
.fbm-book.fbm-single-cover .layflat-spine,
.fbm-book.fbm-single-cover .pb-page.left-page { display: none !important; }

.fbm-book.fbm-single-back {
  grid-template-columns: 1fr;
  border-right: 14px solid #1a1a2e;
}
.fbm-book.fbm-single-back .layflat-spine,
.fbm-book.fbm-single-back .pb-page.left-page { display: none !important; }

.fbm-turn-leaf {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50%;
  background: white;
  z-index: 100;
  transform-style: preserve-3d;
  transition: transform 0.6s cubic-bezier(0.645, 0.045, 0.355, 1);
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
  display: none;
}
.fbm-turn-leaf.flip-forward { right: 0; transform-origin: left center; display: block; transform: rotateY(-180deg); }
.fbm-turn-leaf.flip-backward { left: 0; transform-origin: right center; display: block; transform: rotateY(180deg); }

.fbm-controls { display: flex; align-items: center; gap: 16px; background: rgba(0,0,0,0.6); backdrop-filter: blur(10px); padding: 8px 24px; border-radius: 100px; color: white; border: 1px solid rgba(255,255,255,0.15); }
.fbm-nav-btn { background: white; color: var(--dark); border: none; padding: 8px 16px; border-radius: 100px; font-size: 12.5px; font-weight: 700; transition: var(--transition); }
.fbm-nav-btn:hover { background: var(--red); color: white; }

/* MODALS */
.cart-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 1100; opacity: 0; pointer-events: none; transition: opacity 0.3s; }
.cart-overlay.open { opacity: 1; pointer-events: auto; }
.cart-drawer { position: fixed; right: 0; top: 0; bottom: 0; width: 440px; background: white; z-index: 1101; display: none; overflow-y: auto; flex-direction: column; }
.cart-drawer.open { display: flex; transform: translateX(0); animation: slideInRight 0.25s ease; }
@keyframes slideInRight { from { transform: translateX(100%); } to { transform: translateX(0); } }
.cart-shopee-header { padding: 16px 20px; border-bottom: 1px solid var(--gray-l); display: flex; justify-content: space-between; align-items: center; }
.cart-item-card { border: 1px solid var(--gray-l); border-radius: 12px; padding: 14px; margin-bottom: 12px; display: flex; gap: 12px; background: var(--bg); transition: var(--transition); }
.cart-item-card.unselected { opacity: 0.6; }
.cart-checkbox { width: 18px; height: 18px; accent-color: var(--red); cursor: pointer; }

.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(8px); z-index: 2100; display: none; align-items: center; justify-content: center; padding: 20px; }
.modal-backdrop.open { display: flex; animation: fadeIn 0.25s ease; }
.modal-box { background: white; border-radius: 20px; width: min(calc(100vw - 32px), 640px); max-width: 640px; max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-lg); padding: 30px; display: flex; flex-direction: column; gap: 18px; box-sizing: border-box; }
.form-input { width: 100%; padding: 12px 16px; border: 1.5px solid var(--gray-l); border-radius: 10px; font-size: 13.5px; transition: border-color 0.2s, box-shadow 0.2s; }
.form-input:focus { outline: none; border-color: var(--red); }
.form-input.input-error {
  border-color: #e11d48 !important;
  background-color: #fff1f2 !important;
  box-shadow: 0 0 0 2px rgba(225, 29, 72, 0.2) !important;
}
.field-error-msg {
  display: none;
  align-items: center;
  gap: 4px;
  color: #e11d48;
  font-size: 11.5px;
  font-weight: 600;
  margin-top: 5px;
  line-height: 1.4;
}
.field-error-msg.visible {
  display: flex !important;
}
.copy-pill { background: var(--bg); border: 1px solid var(--gray-l); padding: 8px 12px; border-radius: 8px; display: flex; justify-content: space-between; align-items: center; font-size: 13px; margin-top: 6px; }
.copy-btn { background: var(--red-light); color: var(--red); border: none; padding: 4px 10px; border-radius: 6px; font-weight: 700; font-size: 12px; }

/* FOOTER */
footer { background: #141414; color: #a0a0a0; padding: 70px 32px 28px; border-top: 1px solid rgba(255,255,255,0.08); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; max-width: 1400px; margin: 0 auto 48px; }
.footer-col h4 { color: white; font-size: 13px; font-weight: 800; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 18px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: #a0a0a0; text-decoration: none; font-size: 13.5px; transition: var(--transition); }
.footer-col a:hover { color: white; }
.footer-bottom { max-width: 1400px; margin: 0 auto; border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; font-size: 12.5px; }
.fsi-btn { width: 34px; height: 34px; border-radius: 50%; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; color: white; text-decoration: none; }

/* SPEED DIAL */
.speed-dial-widget { position: fixed; bottom: 24px; right: 24px; z-index: 1500; display: flex; flex-direction: column; align-items: flex-end; gap: 10px; }
.speed-dial-menu { display: none; flex-direction: column; gap: 8px; background: white; padding: 12px; border-radius: 16px; box-shadow: 0 10px 30px rgba(0,0,0,0.2); border: 1px solid var(--gray-l); }
.speed-dial-menu.open { display: flex; }
.sdm-item { display: flex; align-items: center; gap: 12px; padding: 8px 14px; border-radius: 100px; text-decoration: none; color: var(--dark); font-size: 13px; font-weight: 700; background: var(--bg); }
.sdm-item:hover { background: var(--red-light); color: var(--red); }
.sd-main-btn { width: 54px; height: 54px; border-radius: 50%; background: var(--red); color: white; border: none; font-size: 22px; box-shadow: 0 8px 24px rgba(168,35,35,0.4); display: flex; align-items: center; justify-content: center; }

/* ============================================================
   FB49: DESKTOP HEADER RESPONSIVE ARCHITECTURE (ZERO OVERFLOW)
   All 7 navigation items remain strictly visible on >= 1180px
   Co-ordinated fluid clamp spacing, adaptive CTA, and crisp Hamburger
============================================================ */
/* ============================================================
   FB85: UNIFIED 3-TIER RESPONSIVE ARCHITECTURE
   Tier 1: Wide / Desktop (>= 1180px)
   Tier 2: Medium / Tablet (768px - 1179.98px)
     - Medium-Wide (1024px - 1179.98px): Compact nav links, CTA, Cart, Account, zero premature hamburger
     - Medium-Compact (768px - 1023.98px): Tablet header (Logo, CTA, Cart, Account, Settings, clean menu)
   Tier 3: Compact / Mobile (< 768px)
============================================================ */

/* ── TIER 1.5: TABLET LANDSCAPE & COMPACT DESKTOP (1024px - 1179.98px) ── */
@media (min-width: 1024px) and (max-width: 1179.98px) {
  .nav {
    padding: 0 clamp(10px, 1.5vw, 24px);
    gap: clamp(6px, 1vw, 16px);
    justify-content: space-between;
  }
  .nav-links {
    display: flex !important;
    gap: clamp(4px, 0.7vw, 12px);
    flex: 1;
    min-width: 0;
    justify-content: center;
  }
  .nav-links a {
    display: inline-block !important;
    font-size: 12.5px !important;
    padding: 5px clamp(3px, 0.4vw, 6px) !important;
    white-space: nowrap;
  }
  .nav-right {
    display: flex !important;
    align-items: center;
    gap: clamp(5px, 0.8vw, 10px);
    flex-shrink: 0;
  }
  .cta-btn {
    display: inline-flex !important;
    padding: 8px 12px !important;
    font-size: 12.5px !important;
    white-space: nowrap;
    flex-shrink: 0;
  }
  .auth-btn .auth-btn-label {
    display: none !important;
  }
  .auth-btn {
    padding: 7px 10px !important;
  }
  .mobile-menu-btn {
    display: none !important;
  }
}

/* ── TIER 1: DESKTOP STANDARD & WIDE (>= 1180px) ── */
@media (min-width: 1180px) {
  .nav {
    padding: 0 clamp(16px, 2vw, 36px);
    gap: clamp(10px, 1.2vw, 24px);
    justify-content: space-between;
  }
  .nav-links {
    display: flex !important;
    gap: clamp(8px, 1.1vw, 20px);
    flex: 1;
    min-width: 0;
    justify-content: center;
  }
  .nav-links a {
    display: inline-block !important;
    font-size: 13.5px !important;
    padding: 6px clamp(4px, 0.5vw, 10px) !important;
    font-weight: 600;
    white-space: nowrap;
  }
  .nav-right {
    display: flex !important;
    align-items: center;
    gap: clamp(8px, 1vw, 14px);
    flex-shrink: 0;
  }
  .cta-btn {
    display: inline-flex !important;
    padding: 9px clamp(14px, 1.2vw, 22px) !important;
    font-size: 13.5px !important;
    font-weight: 700;
    white-space: nowrap;
    flex-shrink: 0;
  }
  .auth-btn .auth-btn-label {
    display: inline !important;
  }
  .mobile-menu-btn {
    display: none !important;
  }
}

@media (min-width: 1024px) {
  .values-grid {
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 24px;
  }
}

/* ── TIER 2: MEDIUM & TABLET (768px - 1023.98px) ── */
@media (min-width: 768px) and (max-width: 1023.98px) {
  .nav-links {
    display: none !important;
  }
  .mobile-menu-btn {
    display: inline-flex !important;
  }
  /* FB85: Preserve primary CTA button on Tablet Header! */
  .cta-btn {
    display: inline-flex !important;
    padding: 8px 14px !important;
    font-size: 12.5px !important;
  }
  .auth-btn .auth-btn-label {
    display: none !important;
  }
  .auth-btn {
    padding: 0 !important;
    width: 36px !important;
    height: 36px !important;
    border-radius: 50% !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }
  .cart-btn {
    height: 36px !important;
    padding: 0 10px !important;
  }
  .values-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 20px !important;
  }
  .pricing-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)) !important;
    gap: 20px !important;
    max-width: 920px !important;
    margin: 0 auto !important;
  }
  .pricing-card.featured {
    transform: none !important;
    margin: 0 !important;
  }
  /* Hero Tablet Optimization */
  .hero {
    padding: clamp(32px, 4vw, 44px) clamp(16px, 2.5vw, 24px) !important;
    gap: 24px !important;
  }
  .hero-title {
    font-size: clamp(28px, 3.8vw, 38px) !important;
  }
  .hero-title-accent {
    font-size: clamp(26px, 3.4vw, 34px) !important;
  }
  .hero-desc {
    font-size: 14px !important;
    margin-bottom: 20px !important;
  }
  .hero-book-3d {
    width: 100% !important;
    max-width: 440px !important;
    min-width: 0 !important;
  }
}

/* STUDIO STAGE COMPACT PAGE CONTROLS (FB56) */
.nav-arrow-btn {
  width: 36px !important;
  height: 36px !important;
  min-width: 36px !important;
  min-height: 36px !important;
  padding: 0 !important;
  border-radius: 50% !important;
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  font-size: 20px !important;
  line-height: 1 !important;
  font-weight: 700;
  cursor: pointer;
  background: white;
  border: 1.5px solid var(--gray-l);
  color: var(--dark);
  transition: all 0.15s ease;
  user-select: none;
}
.nav-arrow-btn:hover:not(:disabled) {
  background: var(--red-light);
  border-color: var(--red);
  color: var(--red);
}
.nav-arrow-btn:disabled {
  opacity: 0.35 !important;
  cursor: not-allowed !important;
  background: #f9f9f9 !important;
  border-color: #e5e7eb !important;
  color: #9ca3af !important;
}
.mobile-quick-3d-btn {
  display: none;
}
@media (max-width: 767.98px) {
  .mobile-quick-3d-btn {
    display: inline-flex !important;
  }
}

/* FOOTER COPYRIGHT BALANCED WRAP (FB53) */
.footer-copyright-wrap {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  line-height: 1.6;
  text-align: center;
}
.footer-copy-line1::after {
  content: " · ";
}
@media (max-width: 767.98px) {
  footer {
    padding-bottom: calc(72px + env(safe-area-inset-bottom, 16px)) !important;
  }
  .footer-bottom {
    padding-bottom: 8px !important;
  }
  .footer-copyright-wrap {
    flex-direction: column !important;
    gap: 3px !important;
  }
  .footer-copy-line1::after {
    content: "" !important;
  }
  .footer-copy-line2 {
    max-width: 320px;
    margin: 0 auto;
    word-break: keep-all;
  }
}

/* ============================================================
   📱 FULL NATIVE-LEVEL MOBILE OPTIMIZATION SYSTEM (< 768px) 📱
============================================================ */
@media (max-width: 767.98px) {
  /* GLOBAL APP RESET & OVERFLOW PREVENTION */
  html, body {
    overflow-x: hidden !important;
    width: 100% !important;
    max-width: 100vw !important;
    position: relative !important;
    box-sizing: border-box !important;
  }
  *, *::before, *::after {
    box-sizing: border-box !important;
  }

  /* ANNOUNCEMENT BAR (TOPBAR) */
  .topbar {
    font-size: 11px;
    padding: 5px 10px;
    line-height: 1.35;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px 8px;
    text-align: center;
    width: 100%;
    max-width: 100vw;
  }
  .topbar-disclaimer-badge {
    font-size: 9.5px;
    padding: 1.5px 6px;
    white-space: nowrap;
    display: inline-block;
  }
  .topbar a {
    display: inline-block;
    margin-left: 2px;
    white-space: nowrap;
    font-size: 10.5px;
  }
  .topbar-full-text { display: none; }
  .topbar-short-text { display: inline; }

  /* HEADER MOBILE */
  header {
    height: 54px;
    width: 100%;
    max-width: 100vw;
  }
  .nav {
    height: 54px;
    padding: 0 10px;
    width: 100%;
    max-width: 100vw;
  }
  .logo { flex-shrink: 0; }
  .logo-main { font-size: 20px; }
  .logo-sub { display: none; }
  .nav-links { display: none; }
  .nav-right {
    gap: 6px;
    align-items: center;
    flex-shrink: 0;
  }
  .cart-btn-label { display: none; }
  .cart-btn {
    padding: 6px 10px;
    font-size: 12px;
    gap: 4px;
    height: 34px;
    display: inline-flex;
    align-items: center;
  }
  .cart-badge {
    font-size: 9.5px;
    padding: 1px 5px;
  }
  .icon-nav-btn {
    width: 34px;
    height: 34px;
    font-size: 14px;
  }
  .mobile-menu-btn {
    display: inline-flex;
    width: 34px;
    height: 34px;
    font-size: 16px;
  }
  .auth-btn {
    padding: 6px 10px;
    font-size: 11.5px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    max-width: none;
  }
  .cta-btn { display: none; } /* Hidden on header, prominent in hero and drawer */

  /* HOME & HERO MOBILE */
  .hero {
    padding: 24px 16px 32px;
    grid-template-columns: 1fr;
    gap: 20px;
    text-align: center;
    width: 100%;
    max-width: 100vw;
    overflow: hidden;
  }
  .hero-badge {
    font-size: 11px;
    padding: 5px 12px;
    margin: 0 auto 12px;
    max-width: 100%;
    white-space: normal;
    line-height: 1.35;
    display: inline-flex;
  }
  .hero-title {
    font-size: clamp(22px, 5.8vw, 32px);
    line-height: 1.25;
    margin-bottom: 10px;
    text-wrap: balance;
    word-break: break-word;
    overflow-wrap: break-word;
    padding: 0 4px;
  }
  .hero-title-accent {
    font-size: clamp(20px, 5.2vw, 28px);
    margin-top: 4px;
    word-break: break-word;
    overflow-wrap: break-word;
  }
  .hero-desc {
    font-size: clamp(13px, 3.8vw, 15px);
    line-height: 1.6;
    margin: 0 auto 20px;
    padding: 0 4px;
    max-width: 100%;
  }
  .hero-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 0 auto 20px;
    width: 100%;
    max-width: 340px;
  }
  .hero-actions .btn-primary, .hero-actions .btn-outline {
    width: 100%;
    justify-content: center;
    padding: 12px 16px;
    font-size: 14px;
  }
  .hero-trust {
    justify-content: center;
    gap: 8px 14px;
    padding: 0 4px;
  }
  .trust-item {
    font-size: clamp(10.5px, 2.8vw, 12px);
    white-space: nowrap;
  }

  .hero-3d-wrapper {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    padding: 12px 0 16px;
    perspective: 1200px;
  }
  .hero-book-3d {
    width: min(320px, calc(100vw - 36px));
    height: auto;
    aspect-ratio: 520 / 320;
    margin: 0 auto;
    transform: rotateX(4deg) rotateY(-6deg) scale(0.96);
    max-width: 100%;
  }
  .hero-book-3d .pb-page { padding: 10px; }

  /* 4 VALUES & PRICING MOBILE */
  .values-section { padding: 36px 16px !important; width: 100% !important; }
  .values-header h2, .pricing-header h2 { font-size: clamp(20px, 5.5vw, 28px) !important; line-height: 1.3 !important; }
  .values-header p, .pricing-header p { font-size: 13px !important; line-height: 1.5 !important; }
  .values-grid {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
    width: 100% !important;
  }
  .value-card { padding: 20px 16px !important; width: 100% !important; }

  .pricing-section { padding: 36px 16px !important; width: 100% !important; }
  .pricing-grid {
    grid-template-columns: 1fr !important;
    gap: 18px !important;
    width: 100% !important;
  }
  .pricing-card {
    padding: 22px 18px !important;
    width: 100% !important;
  }
  .pricing-card.featured {
    transform: none !important;
    margin: 0 !important;
  }

  /* 📱 FB34: DEDICATED MOBILE STUDIO WORKSPACE SHELL (< 768px) */
  /* Hide main website header and topbar when Studio is active to maximize canvas space */
  body:has(#page-studio.active) header,
  body.studio-mode-active header,
  body:has(#page-studio.active) .topbar,
  body.studio-mode-active .topbar {
    display: none !important;
  }

  /* Hide stepper on mobile */
  .studio-stepper {
    display: none !important;
  }

  /* Full viewport height for Mobile Studio */
  #page-studio.active {
    height: 100dvh !important;
    max-height: 100dvh !important;
    overflow: hidden !important;
  }
  .studio-container {
    height: 100dvh !important;
    max-height: 100dvh !important;
    overflow: hidden !important;
    position: relative !important;
    background: #e8e3d8;
    display: flex;
    flex-direction: column;
  }

  /* Compact Mobile Studio Topbar (Single Row: Back | Title | Price | Order) */
  .studio-topbar {
    height: 48px !important;
    padding: 0 12px !important;
    background: #ffffff !important;
    border-bottom: 1px solid var(--gray-l) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    z-index: 120 !important;
    flex-shrink: 0 !important;
  }
  .st-mobile-back-btn {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid var(--gray-l);
    background: #fff;
    color: var(--dark);
    font-size: 15px;
    cursor: pointer;
    text-decoration: none;
  }
  .st-album-title {
    font-size: 13.5px !important;
    max-width: 110px !important;
    padding: 5px 8px !important;
    font-weight: 700 !important;
    text-align: center !important;
  }

  /* Compact Stage Toolbar on Mobile (Page Controller + Menu) */
  .stage-toolbar {
    width: 100% !important;
    margin-bottom: 2px !important;
    padding: 0 8px !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    height: 38px !important;
  }
  .mobile-page-controller {
    display: flex !important;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.92);
    padding: 2px 6px;
    border-radius: 100px;
    border: 1px solid var(--gray-l);
    box-shadow: 0 2px 6px rgba(0,0,0,0.06);
  }
  .mobile-page-controller button {
    border: none;
    background: none;
    font-size: 16px;
    font-weight: 800;
    color: var(--red);
    padding: 4px 8px;
    cursor: pointer;
    line-height: 1;
  }
  .mobile-page-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--dark);
  }
  .mobile-more-menu-btn {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid var(--gray-l);
    background: #fff;
    font-size: 16px;
    cursor: pointer;
    color: var(--dark);
  }
  .mobile-stage-desktop-btns {
    display: none !important;
  }

  /* Mobile More Menu Popup */
  .mobile-stage-menu-popup {
    position: absolute;
    top: 44px;
    right: 8px;
    background: #ffffff;
    border-radius: 14px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.18);
    border: 1px solid var(--gray-l);
    z-index: 500;
    padding: 8px;
    display: none;
    flex-direction: column;
    gap: 4px;
    min-width: 180px;
  }
  .mobile-stage-menu-popup.open {
    display: flex;
    animation: fadeIn 0.15s ease;
  }
  .msm-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 8px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--dark);
    border: none;
    background: none;
    text-align: left;
    width: 100%;
    cursor: pointer;
  }
  .msm-item:hover, .msm-item:active {
    background: var(--red-light);
    color: var(--red);
  }

  /* Maximized Stage Area */
  .studio-stage {
    flex: 1 !important;
    display: flex !important;
    flex-direction: column !important;
    padding: 4px 4px 0 !important;
    overflow: hidden !important;
    position: relative !important;
    background: radial-gradient(circle at center, #ece7de 0%, #d8d2c4 100%) !important;
  }
  .photobook-stage-wrapper {
    flex: 1 !important;
    min-height: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    overflow: visible !important;
    position: relative !important;
  }

  /* Touch handles sized at least 40-44px for finger tap */
  .fci-resize-handle {
    width: 32px !important;
    height: 32px !important;
    bottom: -16px !important;
    right: -16px !important;
  }
  .fci-rotate-handle {
    width: 32px !important;
    height: 32px !important;
    top: -28px !important;
  }
  .fci-delete-btn {
    width: 28px !important;
    height: 28px !important;
    top: -14px !important;
    right: -14px !important;
    font-size: 14px !important;
  }

  /* Compact Filmstrip */
  .canva-filmstrip {
    height: 52px !important;
    padding: 0 6px !important;
    gap: 5px !important;
    background: rgba(255,255,255,0.96) !important;
    border-top: 1px solid var(--gray-l) !important;
    z-index: 90 !important;
    margin-bottom: 48px !important; /* Space for launcher */
    flex-shrink: 0 !important;
  }

  /* Bottom Tool Dock Launcher & Sheet */
  .canva-sidebar {
    position: absolute !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    background: white !important;
    border-radius: 18px 18px 0 0 !important;
    box-shadow: 0 -8px 25px rgba(0,0,0,0.22) !important;
    border-top: 1px solid var(--gray-l) !important;
    z-index: 1000 !important;
    display: flex !important;
    flex-direction: column !important;
    transition: transform 0.28s cubic-bezier(0.32, 1, 0.23, 1) !important;
    max-height: 70vh !important;
    padding-bottom: env(safe-area-inset-bottom, 8px) !important;
  }
  .canva-sidebar.collapsed {
    transform: translateY(calc(100% - 48px)) !important;
  }
  .canva-sidebar-drag-handle {
    width: 44px !important;
    height: 4px !important;
    background: #ccc !important;
    border-radius: 100px !important;
    margin: 6px auto 2px !important;
    cursor: pointer !important;
  }
  .studio-topbar {
    height: 46px;
    padding: 0 10px;
    background: white;
    border-bottom: 1px solid var(--gray-l);
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 120;
  }
  .st-left { gap: 6px; }
  .st-album-title {
    font-size: 13px;
    max-width: 95px;
    padding: 4px 6px;
  }
  .st-badge { display: none; }
  .st-center { display: none; } /* Removed clutter from top */
  .st-right { gap: 6px; }
  .st-price-tag { font-size: 13px; font-weight: 800; }
  .st-right .btn-primary {
    padding: 6px 12px;
    font-size: 11.5px;
    border-radius: 100px;
  }

  /* STUDIO BODY & STAGE MOBILE */
  .studio-body {
    display: flex;
    flex-direction: column;
    height: calc(100% - 46px);
    overflow: hidden;
    position: relative;
  }

  .studio-stage {
    flex: 1;
    padding: 6px 4px 0;
    justify-content: space-between;
    overflow: hidden;
    position: relative;
    background: radial-gradient(circle at center, #ece7de 0%, #d8d2c4 100%);
  }

  .stage-toolbar {
    width: 100%;
    margin-bottom: 4px;
    padding: 0 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .spread-title-tag {
    font-size: 11px;
    padding: 4px 8px;
    font-weight: 800;
  }
  .stage-toolbar .fn-btn {
    padding: 4px 8px;
    font-size: 10.5px;
    border-radius: 100px;
  }

  .photobook-stage-wrapper {
    width: 100%;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: visible;
    position: relative;
  }

  /* BOOK CONTAINER ON MOBILE */
  .layflat-book {
    transform-origin: center center;
    box-shadow: 0 15px 35px rgba(0,0,0,0.25);
  }

  /* FILMSTRIP TRAY ON MOBILE (COMPACT UNDER STAGE) */
  .canva-filmstrip {
    height: 56px;
    padding: 0 6px;
    gap: 6px;
    background: rgba(255,255,255,0.95);
    border-top: 1px solid var(--gray-l);
    z-index: 90;
    margin-bottom: 50px; /* Space for bottom tabbar */
  }
  .filmstrip-item {
    flex: 0 0 62px;
    height: 44px;
    padding: 2px;
    border-radius: 6px;
  }
  .filmstrip-mini-spread { height: 22px; }
  .filmstrip-single-cover { width: 36px; height: 22px; font-size: 7.5px; }
  .filmstrip-label { font-size: 8.5px; margin-top: 2px; }
  .btn-add-spread-tray {
    flex: 0 0 76px;
    height: 44px;
    font-size: 8.5px;
  }

  /* 🎛️ BOTTOM SHEET CANVA SIDEBAR ON MOBILE */
  .canva-sidebar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-radius: 18px 18px 0 0;
    box-shadow: 0 -8px 25px rgba(0,0,0,0.25);
    border-top: 1px solid var(--gray-l);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: transform 0.28s cubic-bezier(0.32, 1, 0.23, 1);
    max-height: 60vh;
  }
  .canva-sidebar.collapsed {
    transform: translateY(calc(100% - 50px));
  }
  .canva-sidebar-drag-handle {
    width: 40px;
    height: 4px;
    background: #bbb;
    border-radius: 100px;
    margin: 6px auto 3px;
    cursor: pointer;
  }
  .canva-nav-tabs {
    display: flex;
    height: 42px;
    background: white;
    border-bottom: 1px solid #eee;
    padding: 0 4px;
  }
  .canva-nav-tab {
    flex: 1;
    padding: 4px 1px;
    font-size: 9.5px;
    font-weight: 700;
    gap: 1px;
  }
  .canva-nav-tab span { font-size: 14px; }

  .canva-tab-content {
    padding: 14px 12px;
    max-height: calc(60vh - 54px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* FLOATING SPEED DIAL ON MOBILE (FB71) */
  .speed-dial-widget {
    display: flex !important;
    position: fixed !important;
    bottom: max(16px, env(safe-area-inset-bottom, 16px)) !important;
    right: 16px !important;
    z-index: 1500 !important;
    transition: bottom 0.25s ease, opacity 0.2s ease, transform 0.2s ease;
  }
  .sd-main-btn {
    width: 54px !important;
    height: 54px !important;
    font-size: 22px !important;
    border-radius: 50% !important;
    background: var(--red) !important;
    color: white !important;
    border: none !important;
    box-shadow: 0 8px 24px rgba(168,35,35,0.4) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    touch-action: manipulation;
  }
  .sd-main-btn:active {
    transform: scale(0.92);
  }
  /* Studio mobile: elevate chat button above 54px bottom toolbar */
  body.in-studio .speed-dial-widget,
  body.studio-mode-active .speed-dial-widget,
  body.page-studio-active .speed-dial-widget {
    bottom: calc(54px + max(16px, env(safe-area-inset-bottom, 16px))) !important;
  }
  /* Auto-hide when drawer, bottom-sheet, or modal / 3D viewer is open */
  body.drawer-open .speed-dial-widget,
  body.modal-open .speed-dial-widget,
  .mobile-nav-drawer.open ~ .speed-dial-widget,
  .flipbook-modal.open ~ .speed-dial-widget {
    display: none !important;
  }

  /* REVIEWS SECTION MOBILE */
  #reviews-section {
    padding: 36px 16px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  #reviews-section h2 {
    font-size: clamp(20px, 5.5vw, 28px) !important;
    line-height: 1.3 !important;
  }
  #reviews-section div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }
  #reviews-section div[style*="border-radius:100px"] {
    border-radius: 12px !important;
    max-width: 100% !important;
    padding: 8px 12px !important;
    white-space: normal !important;
    text-align: center !important;
    display: inline-flex !important;
  }

  /* BLOG SECTION MOBILE */
  #blog-section {
    padding: 36px 16px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  #blog-section h2 {
    font-size: clamp(20px, 5.5vw, 28px) !important;
    line-height: 1.3 !important;
  }
  #blog-section div[style*="justify-content:space-between"] {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 12px !important;
  }
  #blog-section .btn-outline {
    width: 100% !important;
    justify-content: center !important;
    text-align: center !important;
  }
  #publicBlogList {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
    width: 100% !important;
  }

  /* TEMPLATES GRID MOBILE */
  .templates-grid-art {
    grid-template-columns: 1fr !important;
    gap: 18px !important;
  }
  .template-card-art {
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* FOOTER MOBILE - CRITICAL OVERFLOW FIX & SAFE PADDING (FB53) */
  footer {
    padding: 36px 16px calc(72px + env(safe-area-inset-bottom, 16px)) !important;
    width: 100% !important;
    max-width: 100vw !important;
    overflow: hidden !important;
    box-sizing: border-box !important;
  }
  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
    margin-bottom: 24px !important;
    width: 100% !important;
  }
  .footer-col {
    width: 100% !important;
    max-width: 100% !important;
  }
  .footer-bottom {
    flex-direction: column !important;
    gap: 10px !important;
    text-align: center !important;
    font-size: 11.5px !important;
    width: 100% !important;
  }

  /* MODALS MOBILE */
  .modal-box {
    padding: 20px 16px !important;
    border-radius: 16px !important;
    max-height: 85vh !important;
    width: calc(100vw - 24px) !important;
    max-width: calc(100vw - 24px) !important;
    box-sizing: border-box !important;
  }
  .cart-drawer { width: 100vw !important; max-width: 100vw !important; }
  .flipbook-modal { padding: 10px 14px !important; }
  .fbm-header { margin-bottom: 6px !important; width: 100% !important; }
  .fbm-title { font-size: 15px !important; font-weight: 700 !important; max-width: 65vw; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .fbm-viewport { width: 100% !important; max-width: 100% !important; display: flex !important; align-items: center !important; justify-content: center !important; perspective: 1200px; }
  .fbm-book {
    height: auto !important;
    max-height: 56vh !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    position: relative !important;
    box-shadow: 0 12px 36px rgba(0,0,0,0.4) !important;
    border-radius: 8px !important;
  }
  .fbm-book.ratio-portrait {
    width: min(84vw, 330px) !important;
    aspect-ratio: 150 / 210 !important;
  }
  .fbm-book.ratio-square {
    width: min(86vw, 350px) !important;
    aspect-ratio: 1 / 1 !important;
  }
  .fbm-book.ratio-landscape {
    width: min(92vw, 380px) !important;
    aspect-ratio: 210 / 150 !important;
  }
  .fbm-book.ratio-mini {
    width: min(78vw, 300px) !important;
    aspect-ratio: 100 / 150 !important;
  }
  .fbm-book .pb-page {
    width: 100% !important;
    height: 100% !important;
    border-radius: 8px !important;
    border: none !important;
    padding: 14px !important;
    box-sizing: border-box !important;
  }
  .fbm-book .layflat-spine,
  .fbm-book.fbm-single-mobile .layflat-spine,
  .fbm-book.fbm-single-mobile .fbm-turn-leaf {
    display: none !important;
  }
  .fbm-controls {
    padding: 8px 16px !important;
    gap: 12px !important;
    width: auto !important;
    max-width: 92vw !important;
    margin-top: 10px !important;
    justify-content: space-between !important;
  }
  .fbm-nav-btn {
    padding: 8px 14px !important;
    font-size: 12px !important;
    border-radius: 100px !important;
    min-width: 44px !important;
    min-height: 38px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
  }
  #fbmPageCounter {
    font-size: 13px !important;
    font-weight: 700 !important;
    white-space: nowrap !important;
  }
}

/* 📱 EXTRA COMPACT SMARTPHONES (<= 480px) */
@media (max-width: 480px) {
  .topbar {
    font-size: 10px !important;
    padding: 4px 6px !important;
    gap: 3px 6px !important;
  }
  .topbar-disclaimer-badge {
    font-size: 8.5px !important;
    padding: 1px 4px !important;
  }
  .topbar a {
    font-size: 9.5px !important;
  }
  .nav {
    padding: 0 8px !important;
  }
  .nav-right {
    gap: 4px !important;
  }
  .auth-btn-label { display: none !important; }
  .auth-btn {
    padding: 0 !important;
    width: 34px !important;
    height: 34px !important;
    border-radius: 50% !important;
    justify-content: center !important;
    font-size: 13px !important;
  }
  .cart-btn {
    padding: 0 8px !important;
    height: 34px !important;
    font-size: 11px !important;
  }
  .lang-switch-wrap {
    padding: 2px 3px !important;
    gap: 1px !important;
  }
  .lang-btn {
    padding: 2px 4px !important;
    font-size: 9.5px !important;
  }
}

/* 📱 ULTRA COMPACT DEVICES (<= 360px) */
@media (max-width: 360px) {
  .logo-main { font-size: 18px !important; }
  .nav { padding: 0 4px !important; }
  .nav-right { gap: 3px !important; }
  .lang-btn { font-size: 9px !important; padding: 2px 3px !important; }
  .icon-nav-btn { width: 30px !important; height: 30px !important; font-size: 12px !important; }
  .auth-btn { width: 30px !important; height: 30px !important; font-size: 12px !important; }
  .mobile-menu-btn { width: 30px !important; height: 30px !important; font-size: 14px !important; }
  .cart-btn { height: 30px !important; padding: 0 6px !important; font-size: 10px !important; }
  .hero { padding: 18px 10px 24px !important; }
  .hero-title { font-size: 21px !important; }
  .hero-title-accent { font-size: 19px !important; }
  .hero-book-3d { width: calc(100vw - 20px) !important; }
}

/* 🌟 ARCHITECTURE: RESPONSIVE MODAL & FOOTER ISOLATION (FB29) 🌟 */
.tmpl-modal-responsive-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 16px;
}
@media (max-width: 1200px) {
  .tmpl-modal-responsive-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }
}
@media (max-width: 820px) {
  .tmpl-modal-responsive-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}
@media (max-width: 480px) {
  .tmpl-modal-responsive-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

/* ISOLATE STUDIO WORKSPACE FROM FOOTER (FB29) */
body.in-studio footer,
body.in-studio .topbar {
  display: none !important;
}

/* CART ITEM EDIT BUTTON (FB CART FLOW) */
.cart-edit-btn {
  background: none;
  border: none;
  color: var(--red);
  font-size: 11.5px;
  font-weight: 700;
  cursor: pointer;
  padding: 2px 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
}
.cart-edit-btn:hover {
  text-decoration: underline;
}

/* REALISTIC 3D FLIPBOOK PAGE CURL & DUAL SHADOW (FB24) */
.fbm-book {
  box-shadow: 0 25px 60px rgba(0,0,0,0.35), 0 5px 15px rgba(0,0,0,0.15) !important;
}
.fbm-turn-leaf.flip-forward {
  animation: realisticPageCurlForward 0.65s cubic-bezier(0.25, 1, 0.5, 1) forwards !important;
}
.fbm-turn-leaf.flip-backward {
  animation: realisticPageCurlBackward 0.65s cubic-bezier(0.25, 1, 0.5, 1) forwards !important;
}

@keyframes realisticPageCurlForward {
  0% { transform: rotateY(0deg) skewY(0deg); box-shadow: -15px 0 35px rgba(0,0,0,0.05); }
  30% { transform: rotateY(-50deg) skewY(-2.5deg); box-shadow: -25px 10px 45px rgba(0,0,0,0.22); }
  70% { transform: rotateY(-130deg) skewY(-1.5deg); box-shadow: 20px 10px 40px rgba(0,0,0,0.18); }
  100% { transform: rotateY(-180deg) skewY(0deg); box-shadow: 5px 0 15px rgba(0,0,0,0.05); }
}

@keyframes realisticPageCurlBackward {
  0% { transform: rotateY(0deg) skewY(0deg); box-shadow: 15px 0 35px rgba(0,0,0,0.05); }
  30% { transform: rotateY(50deg) skewY(2.5deg); box-shadow: 25px 10px 45px rgba(0,0,0,0.22); }
  70% { transform: rotateY(130deg) skewY(1.5deg); box-shadow: -20px 10px 40px rgba(0,0,0,0.18); }
  100% { transform: rotateY(180deg) skewY(0deg); box-shadow: -5px 0 15px rgba(0,0,0,0.05); }
}


/* 🛡️ STABILIZATION: ISOLATE STUDIO WORKSPACE & FIX DESKTOP GEOMETRY */
body.in-studio {
  overflow: hidden !important;
  height: 100vh !important;
}
body.in-studio #page-studio.active {
  height: calc(100vh - 68px) !important;
  max-height: calc(100vh - 68px) !important;
  overflow: hidden !important;
}
.photobook-stage-wrapper {
  min-height: 0 !important;
}

/* 🛡️ OVERLAYS & MODAL POINTER EVENTS STABILIZATION */
.modal-backdrop {
  pointer-events: none;
}
.modal-backdrop.open {
  pointer-events: auto;
}
.cart-overlay {
  pointer-events: none;
}
.cart-overlay.open {
  pointer-events: auto;
}

/* 🛡️ MOBILE STUDIO BOTTOM SHEET 3 SNAP LEVELS */
@media (max-width: 767.98px) {
  body.in-studio,
  body:has(#page-studio.active) {
    overflow: hidden !important;
    height: 100dvh !important;
  }
  #page-studio.active {
    height: 100dvh !important;
    max-height: 100dvh !important;
    overflow: hidden !important;
  }
  .canva-sidebar {
    max-height: 75vh !important;
  }
  .canva-sidebar.collapsed {
    transform: translateY(calc(100% - 48px)) !important;
  }
  .canva-sidebar.medium {
    transform: translateY(calc(100% - 45vh)) !important;
  }
  .canva-sidebar.expanded {
    transform: translateY(0) !important;
  }
}

/* 🛡️ FB34: HIDE COMPACT MOBILE CONTROLS ON DESKTOP & TABLET VIEWPORTS BY DEFAULT */
.mobile-page-controller {
  display: none !important;
}
.mobile-more-menu-btn {
  display: none !important;
}
.mobile-stage-menu-popup {
  display: none !important;
}

@media (max-width: 767.98px) {
  .mobile-page-controller {
    display: flex !important;
  }
  .mobile-more-menu-btn {
    display: inline-flex !important;
  }
  .mobile-stage-menu-popup.open {
    display: flex !important;
  }
}


/* ============================================================
   🌟 FB46: CUSTOMER REVIEWS DYNAMIC SYSTEM
   ============================================================ */
.customer-review-card {
  background: white;
  border-radius: 16px;
  padding: 24px;
  border: 1px solid var(--gray-l);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}
.customer-review-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.review-badge-verified {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 700;
  color: #065f46;
  background: #d1fae5;
  padding: 3px 8px;
  border-radius: 100px;
}
.review-stars {
  color: #f59e0b;
  font-size: 14px;
  letter-spacing: 2px;
}
.review-media-gallery {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  overflow-x: auto;
  padding-bottom: 4px;
}
.review-media-gallery img,
.review-media-gallery video {
  width: 72px;
  height: 72px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--gray-l);
}
.review-empty-state {
  text-align: center;
  padding: 48px 24px;
  background: white;
  border-radius: 16px;
  border: 1px dashed var(--gray-l);
  grid-column: 1 / -1;
}

/* ============================================================
   📖 FB47: BLOG STOREFRONT & EDITORIAL READER
   ============================================================ */
.blog-card-item {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--gray-l);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.blog-card-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.editorial-reader-content h2 {
  font-family: 'Playfair Display', Georgia, serif;
}
.editorial-reader-content blockquote {
  border-left: 3px solid var(--red);
  padding-left: 16px;
  margin: 20px 0;
  color: var(--dark);
  font-style: italic;
  font-size: 16px;
  background: var(--red-light);
  padding: 12px 16px;
  border-radius: 0 10px 10px 0;
}
.blog-empty-state {
  text-align: center;
  padding: 56px 24px;
  background: white;
  border-radius: 16px;
  border: 1px dashed var(--gray-l);
  grid-column: 1 / -1;
}

/* ============================================================
   💬 FB48: REALTIME CUSTOMER CHAT WIDGET & PANEL
   ============================================================ */
.customer-chat-panel {
  position: fixed;
  right: 24px;
  bottom: 86px;
  width: 380px;
  max-height: min(580px, calc(100vh - 100px));
  height: min(580px, calc(100vh - 100px));
  border-radius: 20px;
  background: white;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.18);
  border: 1px solid rgba(0, 0, 0, 0.08);
  z-index: 1550;
  display: none;
  flex-direction: column;
  overflow: hidden;
}
.customer-chat-panel.open {
  display: flex;
  animation: chatSlideUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes chatSlideUp {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.chat-header {
  background: var(--red);
  color: white;
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}
.chat-ctrl-btn {
  background: rgba(255, 255, 255, 0.18);
  border: none;
  color: white;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 13px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.chat-ctrl-btn:hover {
  background: rgba(255, 255, 255, 0.32);
}
.chat-guest-form {
  flex: 1;
  overflow-y: auto;
  background: white;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.chat-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  background: #fdfbf7;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.chat-msg {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 13.5px;
  line-height: 1.5;
  word-break: break-word;
}
.chat-msg.customer {
  align-self: flex-end;
  background: var(--red);
  color: white;
  border-bottom-right-radius: 2px;
}
.chat-msg.melsou {
  align-self: flex-start;
  background: white;
  color: var(--dark);
  border: 1px solid var(--gray-l);
  border-bottom-left-radius: 2px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}
.chat-msg.system {
  align-self: center;
  background: rgba(0,0,0,0.06);
  color: var(--gray);
  font-size: 11.5px;
  border-radius: 100px;
  padding: 4px 12px;
  max-width: 90%;
  text-align: center;
}
.chat-msg-meta {
  font-size: 10.5px;
  margin-top: 4px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  opacity: 0.8;
}
.chat-msg.customer .chat-msg-meta {
  color: rgba(255, 255, 255, 0.85);
}
.chat-msg.melsou .chat-msg-meta {
  color: var(--gray);
  justify-content: flex-start;
}
.chat-composer {
  padding: 10px 14px;
  background: white;
  border-top: 1px solid var(--gray-l);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  box-sizing: border-box;
}
.chat-attach-btn {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
  border-radius: 50%;
  color: var(--gray);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  flex-shrink: 0;
  transition: var(--transition);
}
.chat-attach-btn:hover {
  background: var(--gray-l);
  color: var(--dark);
}
#chatComposerInput {
  flex: 1;
  min-width: 0;
  border: 1.5px solid var(--gray-l);
  border-radius: 20px;
  padding: 9px 14px;
  font-size: 13.5px;
  outline: none;
  resize: none;
  max-height: 100px;
  min-height: 38px;
  height: 38px;
  line-height: 1.4;
  font-family: inherit;
  box-sizing: border-box;
  overflow-y: hidden;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}
#chatComposerInput:focus {
  border-color: var(--red);
}
/* Prevent spinner on inputs */
.chat-composer input::-webkit-outer-spin-button,
.chat-composer input::-webkit-inner-spin-button,
.chat-guest-form input::-webkit-outer-spin-button,
.chat-guest-form input::-webkit-inner-spin-button {
  -webkit-appearance: none !important;
  margin: 0 !important;
}
.chat-composer input[type=number],
.chat-guest-form input[type=number] {
  -moz-appearance: textfield !important;
}
.chat-send-btn {
  background: var(--red);
  color: white;
  border: none;
  padding: 8px 18px;
  height: 38px;
  border-radius: 20px;
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}
.chat-send-btn:hover {
  background: var(--red-mid);
}
.chat-unread-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: #dc2626;
  color: white;
  border-radius: 100px;
  padding: 2px 6px;
  font-size: 11px;
  font-weight: 800;
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
  animation: badgePulse 2s infinite;
}
@keyframes badgePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* Admin Filter Chip */
.admin-filter-chip {
  background: #f3f4f6;
  border: 1px solid var(--gray-l);
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  color: var(--gray);
}
.admin-filter-chip.active {
  background: var(--dark);
  color: white;
  border-color: var(--dark);
}

@media (max-width: 767.98px) {
  .customer-chat-panel {
    right: 0 !important;
    bottom: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 90vh !important;
    max-height: 90vh !important;
    border-radius: 20px 20px 0 0 !important;
  }
}


/* ============================================================
   🌟 FB57 & FB85: CANVA-INSPIRED MOBILE UX & TABLET PROJECTION
============================================================ */
.mobile-contextual-bottom-bar {
  display: none;
}

/* Tablet Portrait Studio Optimization (768px - 959.98px) */
@media (min-width: 768px) and (max-width: 959.98px) {
  .canva-sidebar.studio-flyout-drawer {
    width: 310px !important;
    box-shadow: 12px 0 35px rgba(0, 0, 0, 0.18) !important;
    z-index: 120 !important;
  }
  .st-title-wrapper {
    max-width: 150px;
  }
}

@media (max-width: 767.98px) {
  /* Mobile UI Hotfix: Completely remove floating photo crop toolbar & crop toolbar container */
  .photo-floating-toolbar,
  #photoCropToolbar,
  .photo-floating-toolbar.active,
  .canva-frame-toolbar,
  .freeform-canvas-item.crop-mode-active .canva-frame-toolbar {
    display: none !important;
    visibility: hidden !important;
    pointer-events: none !important;
    height: 0 !important;
    min-height: 0 !important;
    max-height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    box-shadow: none !important;
    opacity: 0 !important;
  }

  /* Hide desktop left rail & desktop contextual toolbar on mobile (< 768px) */
  .studio-rail {
    display: none !important;
  }
  .studio-contextual-toolbar {
    display: none !important;
  }

  /* Mobile Topbar (44px compact) */
  .studio-topbar {
    height: 44px !important;
    padding: 0 8px !important;
  }
  .st-title-wrapper {
    max-width: 120px;
    overflow: hidden;
  }
  .st-album-title {
    font-size: 13px !important;
    max-width: 100px !important;
    padding: 2px 4px !important;
  }
  .studio-sync-status {
    display: none !important;
  }
  .st-center {
    display: none !important;
  }
  .st-price-tag {
    font-size: 14px !important;
  }
  #btnStudioAddToCart {
    padding: 6px 10px !important;
    font-size: 12px !important;
  }
  #btnExportDesign {
    display: none !important;
  }

  /* Canvas Stage on Mobile */
  .studio-stage {
    padding: 4px 4px 58px 4px !important;
    height: calc(100vh - 44px) !important;
  }
  .photobook-stage-wrapper {
    flex: 1 !important;
    overflow: hidden !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    position: relative !important;
    width: 100% !important;
  }

  /* Filmstrip on mobile: Compact Floating Pill (Collapsed) & Bottom Overlay Drawer (Expanded) */
  .studio-filmstrip-wrapper {
    display: block !important;
    position: absolute !important;
    bottom: 54px !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    border-radius: 14px 14px 0 0 !important;
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(16px) !important;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.14) !important;
    border: 1px solid rgba(0, 0, 0, 0.08) !important;
    border-bottom: none !important;
    z-index: 95 !important;
    pointer-events: auto !important;
    overflow: visible !important;
    transition: transform 0.20s cubic-bezier(0.2, 0.8, 0.3, 1), opacity 0.18s ease !important;
  }

  .studio-filmstrip-wrapper .filmstrip-header-bar {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 6px 12px !important;
    background: transparent !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06) !important;
    cursor: pointer !important;
    user-select: none !important;
  }
  .studio-filmstrip-wrapper .filmstrip-summary {
    font-size: 11px !important;
    font-weight: 700 !important;
    color: var(--dark) !important;
  }
  .studio-filmstrip-wrapper .filmstrip-toggle-btn {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 24px !important;
    height: 24px !important;
    border-radius: 50% !important;
    background: #f3f4f6 !important;
    color: #4b5563 !important;
    font-size: 10px !important;
    border: none !important;
    padding: 0 !important;
  }

  /* Compact Floating Pill when Collapsed on Mobile */
  .studio-filmstrip-wrapper.collapsed {
    position: absolute !important;
    bottom: 58px !important;
    left: 50% !important;
    right: auto !important;
    transform: translateX(-50%) !important;
    width: auto !important;
    max-width: 90% !important;
    background: rgba(28, 28, 28, 0.90) !important;
    backdrop-filter: blur(14px) !important;
    border-radius: 999px !important;
    border: 1px solid rgba(255, 255, 255, 0.20) !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25) !important;
    padding: 0 !important;
    cursor: pointer !important;
    user-select: none !important;
    white-space: nowrap !important;
  }
  .studio-filmstrip-wrapper.collapsed .filmstrip-header-bar {
    border-bottom: none !important;
    padding: 5px 14px !important;
    gap: 8px !important;
  }
  .studio-filmstrip-wrapper.collapsed .filmstrip-summary {
    color: #ffffff !important;
    font-size: 11px !important;
  }
  .studio-filmstrip-wrapper.collapsed .filmstrip-summary-icon {
    font-size: 11px !important;
  }
  .studio-filmstrip-wrapper.collapsed .filmstrip-toggle-btn {
    background: transparent !important;
    color: #ffffff !important;
    width: auto !important;
    height: auto !important;
    font-size: 10px !important;
  }
  .studio-filmstrip-wrapper.collapsed .canva-filmstrip {
    display: none !important;
  }

  .canva-filmstrip {
    height: 52px !important;
    padding: 4px 8px !important;
    gap: 8px !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    -webkit-overflow-scrolling: touch !important;
    scroll-snap-type: x proximity !important;
    scroll-behavior: smooth !important;
    display: flex !important;
    flex-wrap: nowrap !important;
    align-items: center !important;
    box-sizing: border-box !important;
  }
  .filmstrip-item {
    flex: 0 0 68px !important;
    height: 44px !important;
    scroll-snap-align: center !important;
    padding: 2px !important;
  }
  .filmstrip-mini-spread {
    height: 22px !important;
  }
  .filmstrip-single-cover {
    width: 36px !important;
    height: 22px !important;
    font-size: 7.5px !important;
  }
  .filmstrip-label {
    font-size: 8.5px !important;
    margin-top: 2px !important;
  }
  .btn-add-spread-tray {
    flex: 0 0 84px !important;
    height: 44px !important;
    font-size: 8.5px !important;
    scroll-snap-align: center !important;
  }

  /* When tool drawer is open on mobile, hide the filmstrip wrapper completely */
  body.drawer-open .studio-filmstrip-wrapper {
    display: none !important;
  }

  /* Mobile True Single-Page Canvas Architecture (FB62) */
  .layflat-book {
    transition: transform 0.24s cubic-bezier(0.2, 0.8, 0.3, 1), box-shadow 0.2s ease !important;
  }
  .layflat-book.mobile-single-page-mode {
    display: block !important;
    flex-shrink: 0 !important;
    border-radius: 8px !important;
    box-shadow: 0 4px 20px rgba(0,0,0,0.12) !important;
    overflow: hidden !important;
    margin: 0 auto !important;
    position: relative !important;
  }
  .layflat-book.mobile-single-page-mode.ratio-portrait {
    width: 330px !important;
    max-width: 330px !important;
    height: 460px !important;
  }
  .layflat-book.mobile-single-page-mode.ratio-square {
    width: 440px !important;
    max-width: 440px !important;
    height: 440px !important;
  }
  .layflat-book.mobile-single-page-mode.ratio-landscape {
    width: 490px !important;
    max-width: 490px !important;
    height: 350px !important;
  }
  .layflat-book.mobile-single-page-mode.ratio-mini {
    width: 320px !important;
    max-width: 320px !important;
    height: 480px !important;
  }
  .layflat-book.mobile-single-page-mode .pb-page {
    width: 100% !important;
    height: 100% !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    box-shadow: none !important;
    border-radius: 8px !important;
  }
  .layflat-book.mobile-single-page-mode #stageSpine {
    display: none !important;
  }
  .layflat-book.mobile-single-page-mode .print-safe-guides-layer {
    width: 100% !important;
    height: 100% !important;
    border: 2px dashed rgba(220, 38, 38, 0.45) !important;
  }
  .layflat-book.mobile-single-page-mode .psg-spine-line {
    display: none !important;
  }
  .layflat-book.mobile-single-page-mode .spread-freeform-overlay {
    width: 100% !important;
    height: 100% !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
  }

  /* FB64: 3-Snap Bottom Sheet (Default compact 30-35vh, max expanded 65-70vh) */
  .canva-sidebar.studio-flyout-drawer {
    position: fixed !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 54px !important;
    top: auto !important;
    width: 100% !important;
    border-radius: 16px 16px 0 0 !important;
    box-shadow: 0 -10px 30px rgba(0,0,0,0.2) !important;
    z-index: 1005 !important;
    border-top: 1px solid var(--gray-l) !important;
    border-right: none !important;
    display: flex !important;
    flex-direction: column !important;
    transition: transform 0.25s cubic-bezier(0.25, 1, 0.3, 1), height 0.25s ease !important;
    overflow: hidden !important;
  }
  .canva-sidebar.studio-flyout-drawer.collapsed {
    transform: translateY(115%) !important;
    pointer-events: none !important;
    opacity: 0 !important;
  }
  .canva-sidebar.studio-flyout-drawer.snap-compact,
  .canva-sidebar.studio-flyout-drawer.snap-half {
    height: 33vh !important;
    max-height: 33vh !important;
    transform: translateY(0) !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }
  .canva-sidebar.studio-flyout-drawer.snap-expanded,
  .canva-sidebar.studio-flyout-drawer.snap-full {
    height: 68vh !important;
    max-height: 68vh !important;
    transform: translateY(0) !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }
  .canva-sidebar-drag-handle {
    width: 38px !important;
    height: 4px !important;
    background: #cbd5e1 !important;
    border-radius: 100px !important;
    margin: 8px auto 4px !important;
    cursor: grab !important;
    display: block !important;
  }

  /* FB64: Mobile Typography Density Pass */
  .flyout-drawer-header {
    padding: 8px 16px !important;
    min-height: 40px !important;
  }
  .flyout-drawer-title {
    font-size: 16px !important;
    font-weight: 700 !important;
  }
  .c-section-title {
    font-size: 13px !important;
    font-weight: 700 !important;
    margin: 10px 0 6px !important;
    text-transform: none !important;
    letter-spacing: 0 !important;
  }
  .canva-tab-content {
    padding: 10px 14px 20px !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }

  /* FB64: Canva Mobile Horizontally Scrolling Bottom Bar */
  .mobile-contextual-bottom-bar {
    display: flex !important;
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    height: 54px !important;
    background: #ffffff !important;
    border-top: 1px solid var(--gray-l) !important;
    z-index: 1010 !important;
    align-items: center !important;
    justify-content: flex-start !important;
    overflow-x: auto !important;
    white-space: nowrap !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
    padding: 0 8px !important;
    gap: 4px !important;
    padding-bottom: env(safe-area-inset-bottom, 0px) !important;
    box-shadow: 0 -2px 14px rgba(0,0,0,0.08) !important;
  }
  .mobile-contextual-bottom-bar::-webkit-scrollbar {
    display: none !important;
  }
  .mc-btn {
    display: inline-flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    background: none !important;
    border: none !important;
    gap: 2px !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    color: var(--dark) !important;
    cursor: pointer !important;
    padding: 4px 10px !important;
    border-radius: 8px !important;
    transition: all 0.15s !important;
    flex: 0 0 auto !important;
    min-width: 58px !important;
    min-height: 44px !important;
    white-space: nowrap !important;
  }
  .mc-btn:active { background: var(--red-light) !important; color: var(--red) !important; }
  .mc-btn .mc-icon { font-size: 16px !important; line-height: 1 !important; }
  .mc-btn.danger { color: #dc2626 !important; }
  .mc-btn.active { color: var(--red) !important; }
  .mc-btn.primary { color: var(--red) !important; }
  .mc-btn.primary .mc-icon {
    width: 28px !important;
    height: 28px !important;
    border-radius: 50% !important;
    background: var(--red) !important;
    color: white !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 15px !important;
    box-shadow: 0 2px 6px rgba(168,35,35,0.3) !important;
  }
}

/* FB66 Mobile Nav Language Bar */
.mnd-lang-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding: 8px 12px;
  background: #f8f6f0;
  border-radius: 8px;
}
.mnd-lang-bar span {
  font-size: 13px;
  color: var(--gray-d);
  font-weight: 500;
}
.mnd-lang-btns {
  display: flex;
  gap: 6px;
}
.mnd-lang-btn {
  padding: 5px 12px;
  font-size: 12px;
  border-radius: 6px;
  border: 1px solid #d5d1c8;
  background: #ffffff;
  color: #333333;
  cursor: pointer;
  transition: all 0.15s ease;
}
.mnd-lang-btn.active {
  background: var(--red) !important;
  color: #ffffff !important;
  border-color: var(--red) !important;
  font-weight: 600;
}