@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Pacifico&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

:root {
  /* Curator color palette */
  --primary-color: #ff6b8b;
  --primary-hover: #ff4b72;
  --secondary-color: #ff8e53;
  --dark-rose: #be185d;
  --pastel-pink: #fbc2eb;
  --pastel-blue: #a6c1ee;
  --pastel-peach: #fbd5c8;
  --text-color: #3b2336;
  --text-muted: #5e4357;
  --gold-accent: #f59e0b;
  --gold-glow: rgba(245, 158, 11, 0.4);
  --card-bg: rgba(255, 255, 255, 0.45);
  --card-border: rgba(255, 255, 255, 0.7);
  --shadow: 0 20px 50px rgba(244, 63, 94, 0.12);
  --glow-shadow: 0 0 30px rgba(255, 107, 139, 0.25);
  --font-fancy: 'Pacifico', cursive;
  --font-main: 'Outfit', sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  width: 100%;
  min-height: 100vh;
  font-family: var(--font-main);
  color: var(--text-color);
  background: linear-gradient(135deg, #fbc2eb 0%, #a6c1ee 50%, #fbd5c8 100%);
  background-size: 400% 400%;
  animation: gradientBG 20s ease infinite;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow-x: hidden;
  position: relative;
  padding: 30px 16px;
}

/* Dynamic background gradient animation */
@keyframes gradientBG {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ==========================================
   PARTICLES LAYOUT
   ========================================== */
#particles-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.floating-heart {
  position: absolute;
  bottom: -50px;
  filter: drop-shadow(0 4px 8px rgba(244, 63, 94, 0.15));
  animation: floatUp 8s cubic-bezier(0.25, 0.46, 0.45, 0.94) infinite;
  pointer-events: none;
  user-select: none;
}

@keyframes floatUp {
  0% {
    transform: translateY(0) rotate(0deg) scale(0.5);
    opacity: 0;
  }
  15% {
    opacity: 0.9;
  }
  85% {
    opacity: 0.9;
  }
  100% {
    transform: translateY(-110vh) rotate(360deg) scale(1.2);
    opacity: 0;
  }
}

/* ==========================================
   CINEMATIC OPENING LETTER OVERLAY (index.html)
   ========================================== */
#envelope-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(254,244,244,0.95) 0%, rgba(245,215,225,0.98) 100%);
  backdrop-filter: blur(12px);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: opacity 0.8s cubic-bezier(0.77, 0, 0.175, 1), visibility 0.8s;
  overflow: hidden;
}

#envelope-overlay.opened {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.envelope-intro-text {
  font-family: var(--font-fancy);
  font-size: 2.2rem;
  color: var(--dark-rose);
  margin-bottom: 40px;
  text-align: center;
  padding: 0 20px;
  filter: drop-shadow(0 2px 4px rgba(244, 63, 94, 0.1));
  height: 60px;
}

/* Envelope structure */
.envelope-wrapper {
  position: relative;
  width: 320px;
  height: 220px;
  background: #fdf5f6;
  border-radius: 4px 4px 12px 12px;
  box-shadow: 0 15px 40px rgba(219, 39, 119, 0.12), 0 5px 15px rgba(0, 0, 0, 0.05);
  cursor: pointer;
  perspective: 1000px;
  transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.envelope-wrapper:hover {
  transform: translateY(-8px) scale(1.03);
}

/* Outer flaps */
.envelope-back {
  position: absolute;
  width: 100%;
  height: 100%;
  background: #ffebf0;
  border-radius: 4px 4px 12px 12px;
  overflow: hidden;
}

/* Diagonal borders for authentic mail letter look */
.envelope-back::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 10px solid transparent;
  border-image: border-image: repeating-linear-gradient(45deg, #ff6b8b, #ff6b8b 10px, transparent 10px, transparent 20px, #a6c1ee 20px, #a6c1ee 30px, transparent 30px, transparent 40px) 10;
  pointer-events: none;
}

/* Letter inside */
.envelope-letter {
  position: absolute;
  top: 15px;
  left: 15px;
  right: 15px;
  bottom: 15px;
  background: white;
  border-radius: 4px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: transform 0.8s cubic-bezier(0.77, 0, 0.175, 1);
  z-index: 2;
}

.envelope-letter h3 {
  font-family: var(--font-fancy);
  font-size: 1.6rem;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.envelope-letter p {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* Front fold flap */
.envelope-flap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0;
  border-left: 160px solid transparent;
  border-right: 160px solid transparent;
  border-top: 110px solid #ffdeeb;
  transform-origin: top;
  z-index: 5;
  transition: transform 0.6s cubic-bezier(0.77, 0, 0.175, 1);
}

/* Side flap visuals */
.envelope-left-flap {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 0;
  border-left: 160px solid #fce7ef;
  border-top: 110px solid transparent;
  border-bottom: 110px solid #fce7ef;
  border-radius: 0 0 0 12px;
  z-index: 3;
}

.envelope-right-flap {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 0;
  height: 0;
  border-right: 160px solid #fce7ef;
  border-top: 110px solid transparent;
  border-bottom: 110px solid #fce7ef;
  border-radius: 0 0 12px 0;
  z-index: 3;
}

.envelope-bottom-flap {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 0;
  border-left: 160px solid transparent;
  border-right: 160px solid transparent;
  border-bottom: 110px solid #fcdde8;
  border-radius: 0 0 12px 12px;
  z-index: 4;
}

/* Wax seal button stamp */
.wax-seal {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) scale(1);
  width: 60px;
  height: 60px;
  background: radial-gradient(circle, #e11d48 0%, #be185d 100%);
  border-radius: 50%;
  box-shadow: 0 4px 15px rgba(190, 24, 93, 0.5), inset 0 2px 5px rgba(255,255,255,0.3);
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  font-size: 1.8rem;
  z-index: 6;
  animation: sealPulse 2s infinite;
  transition: transform 0.3s;
}

.envelope-wrapper:hover .wax-seal {
  transform: translateX(-50%) scale(1.08);
}

@keyframes sealPulse {
  0% { box-shadow: 0 4px 15px rgba(190, 24, 93, 0.5); }
  50% { box-shadow: 0 4px 25px rgba(190, 24, 93, 0.8), 0 0 0 10px rgba(190, 24, 93, 0.15); }
  100% { box-shadow: 0 4px 15px rgba(190, 24, 93, 0.5); }
}

/* Envelope unfolding animations */
.envelope-wrapper.animate .envelope-flap {
  transform: rotateX(180deg);
  z-index: 1;
}

.envelope-wrapper.animate .envelope-letter {
  transform: translateY(-110px);
  z-index: 10;
}

.envelope-wrapper.animate .wax-seal {
  transform: translateX(-50%) scale(0);
  opacity: 0;
  pointer-events: none;
}


/* ==========================================
   MAIN GLASS proposal CARD
   ========================================== */
.container {
  position: relative;
  z-index: 10;
  width: 90%;
  max-width: 440px;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 2px solid var(--card-border);
  border-radius: 32px;
  padding: 40px 30px;
  text-align: center;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 25px;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s;
  margin: 40px auto;
  overflow: hidden;
}

.container::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  transform: rotate(45deg);
  transition: 0.8s;
  pointer-events: none;
}

.container:hover::before {
  left: 120%;
}

.container:hover {
  transform: translateY(-8px);
  box-shadow: 0 30px 60px rgba(244, 63, 94, 0.18), var(--glow-shadow);
}

/* Card shake for rejections */
.card-shake {
  animation: shakeEffect 0.4s cubic-bezier(.36,.07,.19,.97) both;
}

@keyframes shakeEffect {
  0%, 100% { transform: translateX(0) translateY(0); }
  20%, 60% { transform: translateX(-10px) translateY(-2px); }
  40%, 80% { transform: translateX(10px) translateY(2px); }
}

/* Sweet decorative ribbons */
.ribbon {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  padding: 6px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 1.5px;
  box-shadow: 0 6px 15px rgba(244, 63, 94, 0.25);
  border: 1px solid rgba(255,255,255,0.25);
}

/* Chibi frame */
.illustration-frame {
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: white;
  border: 4px solid #fff;
  outline: 3px solid rgba(255, 101, 132, 0.35);
  box-shadow: 0 10px 25px rgba(244, 63, 94, 0.15);
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  transition: transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.illustration-frame:hover {
  transform: rotate(8deg) scale(1.06);
}

.illustration-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Stickers / Tenor GIF Frame */
.tenor-gif-embed {
  max-width: 180px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  border: 4px solid #fff;
  transition: transform 0.3s;
}

.tenor-gif-embed:hover {
  transform: scale(1.05);
}

/* Typography styles */
h1 {
  font-family: var(--font-fancy);
  font-size: 2.3rem;
  font-weight: normal;
  line-height: 1.3;
  background: linear-gradient(45deg, #e11d48 20%, #ff6b8b 50%, #ff8e53 90%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 4px rgba(244, 63, 94, 0.08));
}

p {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-muted);
  line-height: 1.5;
  letter-spacing: 0.1px;
}

/* ==========================================
   BUTTONS INTERACTIVE CONTROLS
   ========================================== */
.btn {
  display: flex;
  gap: 20px;
  width: 100%;
  justify-content: center;
  align-items: center;
  margin-top: 10px;
  position: relative;
  min-height: 80px; /* buffer space for Yes expanding */
}

.btn a {
  text-decoration: none;
  font-size: 1.15rem;
  font-weight: 700;
  padding: 15px 35px;
  border-radius: 50px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  min-width: 130px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}

/* YES: Pulsing glowing coral */
.btn-yes {
  background: linear-gradient(135deg, #ff6b8b 0%, #ff8e53 100%);
  color: white !important;
  box-shadow: 0 8px 25px rgba(255, 107, 139, 0.4);
  animation: heartPulse 1.8s infinite;
  border: 1px solid rgba(255,255,255,0.2);
  z-index: 10;
}

.btn-yes:hover {
  transform: scale(1.1);
  box-shadow: 0 10px 30px rgba(255, 107, 139, 0.6);
}

.btn-yes:active {
  transform: scale(0.96);
}

/* NO: Premium soft clean */
.btn-no {
  background: white;
  color: var(--text-muted) !important;
  border: 2px solid rgba(255, 107, 139, 0.2);
}

.btn-no:hover {
  background: #fff0f3;
  color: var(--primary-color) !important;
  border-color: var(--primary-color);
  transform: scale(1.05);
}

@keyframes heartPulse {
  0% { transform: scale(1); box-shadow: 0 8px 25px rgba(255, 107, 139, 0.4); }
  50% { transform: scale(1.04); box-shadow: 0 12px 35px rgba(255, 107, 139, 0.6); }
  100% { transform: scale(1); box-shadow: 0 8px 25px rgba(255, 107, 139, 0.4); }
}

/* ==========================================
   UPGRADED MUSIC WIDGET CONTROLLER
   ========================================== */
.music-widget {
  position: fixed;
  top: 25px;
  right: 25px;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(12px);
  border: 1.5px solid var(--card-border);
  padding: 6px 12px;
  border-radius: 40px;
  box-shadow: var(--shadow);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.music-widget:hover {
  background: white;
  box-shadow: 0 10px 25px rgba(244, 63, 94, 0.15);
  transform: translateY(-2px);
}

/* Record disc button */
.music-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--text-color), #2d1828);
  border: 2px solid white;
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  font-size: 1rem;
  transition: all 0.3s;
  position: relative;
  z-index: 10;
}

.music-btn::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  background: white;
  border-radius: 50%;
  border: 1.5px solid #2d1828;
}

.music-btn:hover {
  transform: scale(1.1);
}

.music-btn.playing {
  animation: spinRecord 4s linear infinite;
  border-color: var(--primary-color);
}

@keyframes spinRecord {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Music tooltip details slider panel */
.music-details {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 0;
  opacity: 0;
  overflow: hidden;
  transition: width 0.4s ease, opacity 0.3s ease;
  white-space: nowrap;
}

.music-widget:hover .music-details {
  width: 210px;
  opacity: 1;
}

/* Track select skip button */
.track-skip-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  color: var(--text-muted);
  display: flex;
  justify-content: center;
  align-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  transition: background 0.2s;
}

.track-skip-btn:hover {
  background: rgba(255, 107, 139, 0.15);
  color: var(--primary-color);
}

/* Volume Slider styling */
.volume-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 70px;
  height: 5px;
  background: rgba(255, 107, 139, 0.2);
  border-radius: 10px;
  outline: none;
  cursor: pointer;
}

.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  background: var(--primary-color);
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.music-title-text {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-color);
  width: 90px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Minimal speech bubble tooltip when muted */
.music-tooltip {
  position: absolute;
  top: 55px;
  right: 5px;
  background: white;
  padding: 6px 12px;
  border-radius: 12px;
  font-size: 0.72rem;
  font-weight: 700;
  box-shadow: 0 5px 15px rgba(0,0,0,0.06);
  pointer-events: none;
  white-space: nowrap;
  border: 1px solid rgba(255, 107, 139, 0.15);
  opacity: 0;
  transform: translateY(-5px);
  transition: opacity 0.3s, transform 0.3s;
  z-index: 100;
}

.music-tooltip.show {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================
   SUCCESS CARD & POLAROID MEMORY GALLERY (yes.html)
   ========================================== */
#confetti-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9;
}

.success-card h1 {
  background: linear-gradient(45deg, #d97706 0%, #db2777 50%, #e11d48 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: 2.5rem;
  filter: drop-shadow(0 2px 6px rgba(219,39,119,0.1));
}

.success-badge {
  background: rgba(253, 224, 71, 0.2);
  border: 1.5px solid rgba(253, 224, 71, 0.8);
  color: #854d0e;
  padding: 6px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 12px rgba(253, 224, 71, 0.1);
  letter-spacing: 0.5px;
}

.heart-seal {
  font-size: 3.8rem;
  animation: heartbeat 1s ease infinite alternate;
  filter: drop-shadow(0 6px 12px rgba(244, 63, 94, 0.3));
}

@keyframes heartbeat {
  from { transform: scale(1); }
  to { transform: scale(1.15); }
}

/* Interactive Polaroid Memories Grid */
.polaroid-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  width: 100%;
  max-width: 380px;
  margin-top: 15px;
}

/* Stylized retro polaroids */
.polaroid-item {
  background: white;
  padding: 10px 10px 18px 10px;
  border-radius: 6px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: zoom-in;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s;
  overflow: hidden;
}

/* Random rotations for authentic collage look */
.polaroid-item:nth-child(odd) {
  transform: rotate(-4deg);
}

.polaroid-item:nth-child(even) {
  transform: rotate(4deg);
}

.polaroid-item:hover {
  transform: rotate(0deg) scale(1.08) translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15), var(--glow-shadow);
  z-index: 20;
}

.polaroid-img-wrapper {
  width: 100%;
  aspect-ratio: 1.1;
  border-radius: 4px;
  overflow: hidden;
  background: #fbf6f7;
  display: flex;
  justify-content: center;
  align-items: center;
}

.polaroid-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.polaroid-item:hover .polaroid-img-wrapper img {
  transform: scale(1.05);
}

.polaroid-caption {
  font-family: var(--font-fancy);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 10px;
  text-align: center;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Zooming modal overlay for Polaroids */
.polaroid-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(43, 22, 38, 0.85);
  backdrop-filter: blur(8px);
  z-index: 10000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s, visibility 0.4s;
}

.polaroid-modal.show {
  opacity: 1;
  visibility: visible;
}

.polaroid-modal-content {
  background: white;
  padding: 16px 16px 28px 16px;
  border-radius: 12px;
  box-shadow: 0 25px 60px rgba(0,0,0,0.3);
  max-width: 90%;
  width: 380px;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: scale(0.85);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.polaroid-modal.show .polaroid-modal-content {
  transform: scale(1);
}

.polaroid-modal-img {
  width: 100%;
  aspect-ratio: 1.1;
  border-radius: 6px;
  object-fit: cover;
}

.polaroid-modal-caption {
  font-family: var(--font-fancy);
  font-size: 1.3rem;
  color: var(--text-color);
  margin-top: 15px;
  text-align: center;
}

/* Close action */
.polaroid-modal-close {
  position: absolute;
  top: 25px;
  right: 25px;
  background: white;
  border: none;
  color: var(--text-color);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  transition: transform 0.2s;
}

.polaroid-modal-close:hover {
  transform: scale(1.1) rotate(90deg);
}

/* ==========================================
   SECRET ENVELOPE LOVE LETTER (yes.html)
   ========================================== */
.secret-letter-trigger {
  background: linear-gradient(135deg, #ffffff 0%, #fff5f7 100%);
  border: 2px dashed rgba(255, 107, 139, 0.4);
  border-radius: 20px;
  padding: 15px 25px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.03);
  transition: all 0.3s;
}

.secret-letter-trigger:hover {
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 107, 139, 0.15);
}

.secret-letter-trigger span {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--primary-color);
}

/* Secret full paper modal */
.letter-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(253, 244, 245, 0.95);
  backdrop-filter: blur(12px);
  z-index: 10005;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s, visibility 0.5s;
}

.letter-modal.show {
  opacity: 1;
  visibility: visible;
}

.letter-paper {
  background: #fdfaf6;
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.1), 0 0 100px rgba(255, 107, 139, 0.05);
  border: 1px solid #f2e9dc;
  width: 90%;
  max-width: 500px;
  max-height: 80vh;
  overflow-y: auto;
  padding: 40px 30px;
  position: relative;
  transform: translateY(30px) scale(0.95);
  transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.letter-modal.show .letter-paper {
  transform: translateY(0) scale(1);
}

.letter-header {
  font-family: var(--font-fancy);
  font-size: 2rem;
  color: var(--primary-color);
  border-bottom: 2px dashed #f2e9dc;
  padding-bottom: 15px;
  margin-bottom: 20px;
  text-align: center;
}

.letter-body {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: #4a3e47;
  line-height: 1.8;
  white-space: pre-line;
  margin-bottom: 30px;
  min-height: 150px;
}

.letter-footer {
  font-family: var(--font-fancy);
  font-size: 1.5rem;
  color: var(--secondary-color);
  text-align: right;
  border-top: 2px dashed #f2e9dc;
  padding-top: 15px;
}

/* Beautiful custom close button */
.letter-close-btn {
  display: block;
  margin: 0 auto;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border: none;
  font-weight: 700;
  font-size: 1rem;
  padding: 12px 35px;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0 6px 15px rgba(255,107,139,0.3);
  transition: transform 0.2s;
}

.letter-close-btn:hover {
  transform: scale(1.05);
}

/* Custom placeholder graphics when couple illustration is not set */
.illustration-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #ffeef2 0%, #fff5f7 100%);
  color: var(--primary-color);
  font-size: 3.5rem;
  animation: floatChibi 3s ease-in-out infinite alternate;
}

/* ==========================================
   MANJA STICKER FRAME
   ========================================== */
.sticker-frame {
  width: clamp(260px, 58vw, 390px);
  max-width: 100%;
  aspect-ratio: 1328 / 795;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: stickerBounce 2.4s ease-in-out infinite;
  filter: drop-shadow(0 8px 16px rgba(255, 107, 139, 0.2));
}

.manja-sticker {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 18px;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.manja-sticker:hover {
  transform: scale(1.1) rotate(-5deg);
}

@keyframes stickerBounce {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50%       { transform: translateY(-10px) rotate(2deg); }
}

/* ==========================================
   HEART REDIRECT OVERLAY
   ========================================== */
#heart-redirect-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: radial-gradient(circle at center, rgba(255,107,139,0.97) 0%, rgba(190,24,93,0.98) 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 30px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.5s cubic-bezier(0.77,0,0.175,1),
              visibility 0.5s;
}

#heart-redirect-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
}

.heart-burst-container {
  position: relative;
  width: 120px;
  height: 120px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.burst-heart {
  position: absolute;
  font-size: 2rem;
  animation: burstHeart 0.9s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
  opacity: 0;
}

@keyframes burstHeart {
  0%   { transform: translate(0,0) scale(0); opacity: 1; }
  70%  { opacity: 1; }
  100% { transform: translate(var(--burst-x), var(--burst-y)) scale(1.2); opacity: 0; }
}

.redirect-message {
  font-family: var(--font-fancy);
  font-size: 1.8rem;
  color: white;
  text-align: center;
  padding: 0 24px;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.2));
  animation: fadeInUp 0.6s 0.3s both;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ==========================================
   RESTART / TRY-AGAIN BUTTONS
   ========================================== */
.btn-restart,
.btn-tryagain {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  max-width: 320px;
  padding: 16px 28px;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  font-family: var(--font-main);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  margin-top: 8px;
}

/* Shimmer sweep */
.btn-restart::after,
.btn-tryagain::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.35), transparent);
  transition: left 0.5s ease;
  pointer-events: none;
}

.btn-restart:hover::after,
.btn-tryagain:hover::after {
  left: 160%;
}

/* YES page — warm gold-rose gradient */
.btn-restart {
  background: linear-gradient(135deg, #f59e0b 0%, #e11d48 100%);
  color: white;
  box-shadow: 0 8px 28px rgba(229, 62, 62, 0.35);
}

.btn-restart:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 16px 40px rgba(229, 62, 62, 0.5);
}

.btn-restart:active {
  transform: scale(0.97);
}

/* NO3 page — soft purple-pink */
.btn-tryagain {
  background: linear-gradient(135deg, #a78bfa 0%, #ec4899 100%);
  color: white;
  box-shadow: 0 8px 28px rgba(167, 139, 250, 0.4);
}

.btn-tryagain:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 16px 40px rgba(167, 139, 250, 0.55);
}

.btn-tryagain:active {
  transform: scale(0.97);
}

.restart-icon {
  font-size: 1.2rem;
  display: inline-block;
  animation: heartPulse 1.8s ease-in-out infinite;
}

/* Divider line between main buttons and restart */
.restart-divider {
  font-size: 0.8rem;
  color: var(--text-muted);
  opacity: 0.6;
  letter-spacing: 1px;
  margin: 4px 0 0;
}

/* ==========================================
   RESPONSIVE — restart buttons
   ========================================== */
@media (max-width: 480px) {
  .btn-restart,
  .btn-tryagain {
    max-width: 100%;
    font-size: 0.95rem;
    padding: 14px 20px;
  }

  .redirect-message {
    font-size: 1.4rem;
  }
}

@keyframes floatChibi {
  from { transform: translateY(0); }
  to { transform: translateY(-8px); }
}

/* ==========================================
   RESPONSIVE DESIGN — TABLET & MOBILE
   ========================================== */

/* ---- Tablet: 481px → 768px ---- */
@media (max-width: 768px) {
  body {
    align-items: flex-start;
    padding: 20px 0 40px;
  }

  /* Main card */
  .container {
    width: 92%;
    max-width: 480px;
    padding: 30px 22px;
    gap: 20px;
    border-radius: 26px;
    margin: 20px auto;
  }

  /* Headings */
  h1 {
    font-size: 1.9rem;
  }

  p {
    font-size: 1rem;
  }

  /* Illustration */
  .illustration-frame {
    width: 140px;
    height: 140px;
  }

  /* Tenor GIF */
  .tenor-gif-embed {
    max-width: 160px;
  }

  /* Buttons */
  .btn {
    gap: 14px;
    flex-wrap: wrap;
  }

  .btn a {
    font-size: 1rem;
    padding: 13px 28px;
    min-width: 110px;
  }

  /* Music Widget */
  .music-widget {
    top: 15px;
    right: 15px;
    padding: 5px 10px;
    gap: 10px;
  }

  .music-widget:hover .music-details {
    width: 180px;
  }

  /* Envelope overlay */
  .envelope-intro-text {
    font-size: 1.7rem;
    margin-bottom: 28px;
  }

  .envelope-wrapper {
    width: 280px;
    height: 190px;
  }

  .envelope-flap {
    border-left-width: 140px;
    border-right-width: 140px;
    border-top-width: 95px;
  }

  .envelope-left-flap {
    border-left-width: 140px;
    border-top-width: 95px;
    border-bottom-width: 95px;
  }

  .envelope-right-flap {
    border-right-width: 140px;
    border-top-width: 95px;
    border-bottom-width: 95px;
  }

  .envelope-bottom-flap {
    border-left-width: 140px;
    border-right-width: 140px;
    border-bottom-width: 95px;
  }

  .wax-seal {
    bottom: 60px;
    width: 52px;
    height: 52px;
    font-size: 1.5rem;
  }

  /* Polaroid gallery */
  .polaroid-gallery {
    gap: 12px;
    max-width: 320px;
  }

  /* Sticker */
  .sticker-frame {
    width: min(86vw, 340px);
  }

  /* Letter paper */
  .letter-paper {
    padding: 28px 20px;
    max-height: 85vh;
  }

  .letter-header {
    font-size: 1.6rem;
  }

  .letter-body {
    font-size: 1rem;
    line-height: 1.7;
  }

  /* Success card */
  .success-card h1 {
    font-size: 2rem;
  }

  .heart-seal {
    font-size: 3rem;
  }
}

/* ---- Mobile: up to 480px ---- */
@media (max-width: 480px) {
  body {
    padding: 12px 0 30px;
  }

  /* Main card goes nearly full-width */
  .container {
    width: 95%;
    padding: 24px 16px;
    gap: 16px;
    border-radius: 22px;
    margin: 12px auto;
  }

  h1 {
    font-size: 1.55rem;
    line-height: 1.35;
  }

  p {
    font-size: 0.92rem;
  }

  .ribbon {
    font-size: 0.72rem;
    padding: 5px 14px;
    letter-spacing: 1px;
  }

  /* Illustration */
  .illustration-frame {
    width: 115px;
    height: 115px;
  }

  /* Sticker */
  .sticker-frame {
    width: min(88vw, 290px);
  }

  /* Tenor GIF */
  .tenor-gif-embed {
    max-width: 130px;
    border-radius: 14px;
  }

  /* Buttons — stack on very small screens */
  .btn {
    gap: 10px;
    flex-direction: column;
    align-items: center;
    min-height: auto;
  }

  .btn a {
    width: 85%;
    max-width: 260px;
    font-size: 1rem;
    padding: 14px 20px;
    min-width: unset;
    justify-content: center;
  }

  /* Music widget — compact */
  .music-widget {
    top: 10px;
    right: 10px;
    padding: 4px 8px;
    gap: 8px;
    border-radius: 30px;
  }

  .music-btn {
    width: 34px;
    height: 34px;
    font-size: 0.88rem;
  }

  /* Hide expanded details on mobile to save space */
  .music-widget:hover .music-details {
    width: 160px;
  }

  .volume-slider {
    width: 55px;
  }

  /* Envelope overlay */
  .envelope-intro-text {
    font-size: 1.35rem;
    margin-bottom: 22px;
    padding: 0 16px;
    height: auto;
  }

  .envelope-wrapper {
    width: 240px;
    height: 165px;
  }

  .envelope-flap {
    border-left-width: 120px;
    border-right-width: 120px;
    border-top-width: 82px;
  }

  .envelope-left-flap {
    border-left-width: 120px;
    border-top-width: 82px;
    border-bottom-width: 82px;
  }

  .envelope-right-flap {
    border-right-width: 120px;
    border-top-width: 82px;
    border-bottom-width: 82px;
  }

  .envelope-bottom-flap {
    border-left-width: 120px;
    border-right-width: 120px;
    border-bottom-width: 82px;
  }

  .envelope-letter h3 {
    font-size: 1.2rem;
  }

  .envelope-letter p {
    font-size: 0.75rem;
  }

  .wax-seal {
    bottom: 52px;
    width: 46px;
    height: 46px;
    font-size: 1.3rem;
  }

  /* Letter modal */
  .letter-paper {
    padding: 22px 16px;
    max-height: 88vh;
    width: 95%;
  }

  .letter-header {
    font-size: 1.35rem;
  }

  .letter-body {
    font-size: 0.92rem;
    line-height: 1.65;
    min-height: auto;
  }

  .letter-footer {
    font-size: 1.2rem;
  }

  .letter-close-btn {
    font-size: 0.9rem;
    padding: 10px 28px;
  }

  /* Polaroid gallery */
  .polaroid-gallery {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    max-width: 100%;
  }

  .polaroid-caption {
    font-size: 0.7rem;
  }

  /* Polaroid modal */
  .polaroid-modal-content {
    width: 92%;
    padding: 12px 12px 22px 12px;
  }

  .polaroid-modal-caption {
    font-size: 1rem;
  }

  .polaroid-modal-close {
    top: 14px;
    right: 14px;
    width: 38px;
    height: 38px;
    font-size: 1.2rem;
  }

  /* Success card */
  .success-card h1 {
    font-size: 1.6rem;
  }

  .heart-seal {
    font-size: 2.6rem;
  }

  .success-badge {
    font-size: 0.75rem;
    padding: 5px 14px;
  }

  /* Secret letter trigger */
  .secret-letter-trigger {
    padding: 12px 18px;
  }

  .secret-letter-trigger span {
    font-size: 0.85rem;
  }
}

/* ---- Very small phones (SE, etc.): up to 360px ---- */
@media (max-width: 360px) {
  h1 {
    font-size: 1.35rem;
  }

  .container {
    padding: 20px 12px;
  }

  .btn a {
    width: 92%;
    padding: 13px 16px;
  }

  .illustration-frame {
    width: 100px;
    height: 100px;
  }

  .envelope-wrapper {
    width: 210px;
    height: 145px;
  }

  .envelope-flap {
    border-left-width: 105px;
    border-right-width: 105px;
    border-top-width: 72px;
  }

  .envelope-left-flap {
    border-left-width: 105px;
    border-top-width: 72px;
    border-bottom-width: 72px;
  }

  .envelope-right-flap {
    border-right-width: 105px;
    border-top-width: 72px;
    border-bottom-width: 72px;
  }

  .envelope-bottom-flap {
    border-left-width: 105px;
    border-right-width: 105px;
    border-bottom-width: 72px;
  }

  .wax-seal {
    bottom: 44px;
    width: 42px;
    height: 42px;
    font-size: 1.15rem;
  }
}

/* ---- Landscape mobile (short viewport) ---- */
@media (max-height: 500px) and (orientation: landscape) {
  body {
    align-items: flex-start;
    padding: 10px 0 20px;
  }

  .container {
    margin: 8px auto;
    gap: 12px;
    padding: 18px 20px;
  }

  .illustration-frame {
    width: 90px;
    height: 90px;
  }

  h1 {
    font-size: 1.4rem;
  }

  #envelope-overlay {
    flex-direction: row;
    gap: 20px;
  }

  .envelope-intro-text {
    margin-bottom: 0;
    font-size: 1.2rem;
    width: 40%;
    height: auto;
  }

  .envelope-wrapper {
    width: 220px;
    height: 150px;
    flex-shrink: 0;
  }
}