/* ===== CSS VARIABLES ===== */
:root {
  --dark: #080a10;
  --dark2: #0e1018;
  --warm-dark: #0c0e18;
  --amber: #f59c2a;
  --amber-glow: #ff9d00;
  --gold: #d4943a;
  --cream: #fdf4e3;
  --petal-pink: #f4a7b9;
  --petal-deep: #e07898;
  --rose: #c85a7a;
  --sage: #7a9e7e;
  --env-cream: #f0e6c8;
  --env-dark: #c8a96e;
  --album-burgundy: #4a1a2a;
  --album-gold: #c8963c;
  --rec-dark: #1a1a2e;
  --rec-screen: #0d1b2a;
  --progress-pink: #e8729a;
  --progress-bg: rgba(255,255,255,0.1);
  --font-script: 'Dancing Script', cursive;
  --font-body: 'Lato', sans-serif;
  --font-serif: 'Playfair Display', serif;
}

/* ===== RESET ===== */
* {
  margin: 0; padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}
html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--dark);
  font-family: var(--font-body);
}

/* ===== SAFE AREAS ===== */
:root {
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}
body {
  padding-top: var(--safe-top);
  padding-bottom: var(--safe-bottom);
  overscroll-behavior-y: none;
}

/* ===== MUSIC BUTTON ===== */
.music-btn {
  position: fixed;
  top: 16px; right: 16px;
  z-index: 999;
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.18);
  background: rgba(0,0,0,0.55);
  color: rgba(255,255,255,0.65);
  font-size: 18px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s;
  backdrop-filter: blur(6px);
  min-width: 44px; min-height: 44px;
}
.music-btn:active { transform: scale(0.9); }
.music-btn.muted  { opacity: 0.4; }

/* ===== PAGE WRAPPER ===== */
.page-wrapper {
  width: 100%;
  min-height: 100vh; min-height: 100dvh;
  overflow-y: auto; overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

/* ===== BACK BUTTON ===== */
.back-btn {
  position: fixed;
  top: 16px; left: 16px;
  z-index: 100;
  background: rgba(0,0,0,0.55);
  border: 1.5px solid rgba(255,255,255,0.18);
  color: white;
  font-family: var(--font-body);
  font-size: 14px;
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  backdrop-filter: blur(6px);
  display: flex; align-items: center; gap: 6px;
  transition: all 0.2s;
  min-width: 44px; min-height: 44px;
}
.back-btn:active { transform: scale(0.95); }

/* ===== TOUCH HINT ===== */
.touch-hint {
  position: fixed;
  bottom: 70px; left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center; gap: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s;
}
.touch-hint.show { opacity: 1; }
.touch-hint p { display: none; }
.touch-anim {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 2px solid rgba(245,156,42,0.6);
  animation: touchPulse 1.5s ease-in-out infinite;
}
@keyframes touchPulse {
  0%,100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.3); opacity: 0.4; }
}

/* ===== GIFT FRAME (slide-in pages) ===== */
.gift-frame {
  position: fixed; inset: 0; z-index: 100;
  border: none; width: 100%; height: 100%;
  background: var(--dark);
  transform: translateX(100%);
  transition: transform 0.5s cubic-bezier(0.22,1,0.36,1);
}
.gift-frame.active { transform: translateX(0); }

/* ===== OBJECT ACTIVE STATES ===== */
.gift-object:active .flowers-bunch { transform: scale(0.95); }
.gift-object:active .envelope      { transform: scale(0.95); }
.gift-object:active .album-book    { transform: scale(0.95); }
.gift-object:active .recorder      { transform: scale(0.95); }

/* ===== PAGE LAYOUTS ===== */
.polaroid-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px; padding: 16px;
}
@media (min-width: 480px) {
  .polaroid-grid {
    grid-template-columns: repeat(3, 1fr);
    max-width: 600px; margin: 0 auto;
  }
}
.letter-page-content  { padding: 24px 20px; max-width: 480px; margin: 0 auto; }
.voicemail-content    { padding: 20px; max-width: 400px; margin: 0 auto; }
.ending-content       { padding: 20px; max-width: 480px; margin: 0 auto; text-align: center; }

/* ===== GIFT LABELS (hidden) ===== */
.gift-label { display: none !important; }