:root{
  --cream: #fff8f3;
  --blush: #ffd9e3;
  --blush-soft: #ffeef2;
  --rose: #e35d77;
  --rose-deep: #c23f5c;
  --wine: #7a2540;
  --plum: #4a2130;
  --gold: #c9a15c;
  --gold-soft: #e6c98a;
  --paper: #fffaf5;
}

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

html, body{
  height:100%;
  overflow:hidden;
}

body{
  font-family:'Quicksand', sans-serif;
  background:
    radial-gradient(circle at 20% 15%, rgba(255,255,255,.9), transparent 40%),
    radial-gradient(circle at 80% 85%, rgba(255,217,227,.85), transparent 45%),
    radial-gradient(circle at 50% 100%, rgba(122,37,64,.12), transparent 55%),
    linear-gradient(160deg, var(--cream) 0%, var(--blush-soft) 45%, var(--blush) 100%);
  color: var(--plum);
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
}

/* kilauan lembut di latar belakang */
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    radial-gradient(2px 2px at 10% 20%, rgba(201,161,92,.55) 0, transparent 60%),
    radial-gradient(2px 2px at 85% 30%, rgba(201,161,92,.45) 0, transparent 60%),
    radial-gradient(1.5px 1.5px at 60% 70%, rgba(201,161,92,.5) 0, transparent 60%),
    radial-gradient(1.5px 1.5px at 30% 85%, rgba(201,161,92,.45) 0, transparent 60%),
    radial-gradient(2px 2px at 92% 80%, rgba(201,161,92,.45) 0, transparent 60%),
    radial-gradient(1.5px 1.5px at 45% 12%, rgba(227,93,119,.4) 0, transparent 60%),
    radial-gradient(1.5px 1.5px at 70% 55%, rgba(227,93,119,.35) 0, transparent 60%);
  animation: twinkle 4s ease-in-out infinite alternate;
  pointer-events:none;
  z-index:1;
}

@keyframes twinkle{
  0%{ opacity:.3; }
  100%{ opacity:.9; }
}

#stars{
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:1;
}

#flowers{
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:5;
}

.container{
  position:relative;
  z-index:10;
  text-align:center;
  padding:48px 40px;
  max-width:640px;
  width:90%;
}

/* bingkai ornamen di sudut */
.frame-corner{
  position:absolute;
  width:46px;
  height:46px;
  border: 1.5px solid var(--gold);
  opacity:.55;
}
.frame-corner.tl{ top:6px; left:6px; border-right:none; border-bottom:none; }
.frame-corner.tr{ top:6px; right:6px; border-left:none; border-bottom:none; }
.frame-corner.bl{ bottom:6px; left:6px; border-right:none; border-top:none; }
.frame-corner.br{ bottom:6px; right:6px; border-left:none; border-top:none; }

.eyebrow{
  font-family:'Cormorant Garamond', serif;
  font-style:italic;
  letter-spacing:.12em;
  font-size:15px;
  color: var(--rose-deep);
  opacity:.85;
  margin-bottom:4px;
}

.recipient-name{
  font-family:'Dancing Script', cursive;
  font-size: clamp(30px, 6vw, 44px);
  color: var(--rose-deep);
  margin-bottom: 26px;
  text-shadow: 0 2px 10px rgba(194,63,92,.25);
}

/* --- Wrapper pembuka surat --- */
#playWrap{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:18px;
  transition: opacity .6s ease;
}

#playWrap.hide{
  opacity:0;
  pointer-events:none;
}

/* --- Surat & segel lilin --- */
.letter{
  position:relative;
  width:230px;
  height:160px;
  cursor:pointer;
  perspective: 900px;
}

.letter-glow{
  position:absolute;
  inset:-30px;
  background: radial-gradient(circle, rgba(255,183,200,.55), transparent 70%);
  filter: blur(6px);
  animation: glow-pulse 3.2s ease-in-out infinite;
  z-index:0;
}

@keyframes glow-pulse{
  0%, 100%{ opacity:.5; transform: scale(1); }
  50%{ opacity:.9; transform: scale(1.08); }
}

.letter-paper{
  position:absolute;
  inset:0;
  background: linear-gradient(165deg, var(--paper), var(--blush-soft));
  border-radius: 6px;
  box-shadow:
    0 14px 34px rgba(122,37,64,.28),
    0 0 0 1px rgba(201,161,92,.4),
    inset 0 0 0 6px #fff;
  transform-origin: top center;
  transition: transform 1.1s cubic-bezier(.6,.05,.3,1) .15s, box-shadow 1.1s ease .15s, opacity .8s ease .9s;
  z-index:1;
  overflow:hidden;
}

.letter-lines{
  position:absolute;
  left:20px; right:20px; top:30px;
  height: 3px;
  background: repeating-linear-gradient(
    to bottom,
    rgba(194,63,92,.14) 0px,
    rgba(194,63,92,.14) 1px,
    transparent 1px,
    transparent 22px
  );
  height: 100px;
  opacity:.8;
}

.letter.opened .letter-paper{
  transform: scaleY(1.06) rotateX(-8deg) translateY(-10px);
  opacity:0;
  box-shadow: 0 30px 60px rgba(122,37,64,.15), 0 0 0 1px rgba(201,161,92,.15);
}

.wax-seal{
  position:absolute;
  left:50%;
  top:50%;
  width:76px;
  height:76px;
  transform:translate(-50%,-50%);
  z-index:2;
  animation: seal-breathe 3.4s ease-in-out infinite;
}

@keyframes seal-breathe{
  0%, 100%{ transform: translate(-50%,-50%) scale(1); }
  50%{ transform: translate(-50%,-50%) scale(1.05); }
}

.seal-half{
  position:absolute;
  inset:0;
  border-radius:50%;
  background: radial-gradient(circle at 35% 30%, #ff8fa3, var(--rose) 55%, var(--wine) 100%);
  box-shadow:
    0 8px 20px rgba(122,37,64,.4),
    inset 0 0 0 3px rgba(255,255,255,.35);
  display:flex;
  align-items:center;
  justify-content:center;
  transition: transform .7s cubic-bezier(.34,1.1,.4,1), opacity .7s ease;
}

.seal-half.left{ clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%); }
.seal-half.right{ clip-path: polygon(50% 0, 100% 0, 100% 100%, 50% 100%); }

.seal-icon{
  font-size:34px;
  color:#fff;
  text-shadow: 0 2px 6px rgba(0,0,0,.2);
  transform: scale(1);
}
.seal-half.left .seal-icon{ margin-right:38px; }
.seal-half.right .seal-icon{ margin-left:38px; }

.letter.cracking .seal-half.left{
  transform: translate(-22px, 6px) rotate(-35deg);
  opacity:0;
}
.letter.cracking .seal-half.right{
  transform: translate(22px, 6px) rotate(35deg);
  opacity:0;
}

.letter:hover .seal-half{
  filter: brightness(1.08);
}

#playHint{
  font-family:'Cormorant Garamond', serif;
  font-style:italic;
  font-size:18px;
  color: var(--plum);
  opacity:.7;
  letter-spacing:.03em;
}

/* --- Pesan --- */
#text{
  font-family:'Playfair Display', serif;
  font-size: clamp(22px, 4vw, 36px);
  line-height:1.55;
  width:100%;
  color: var(--plum);
  opacity:0;
  transform: translateY(18px);
  transition: opacity 1s ease, transform 1s ease;
}

#text.show{
  opacity:1 !important;
  transform: translateY(0) !important;
}

#text em{
  font-family:'Cormorant Garamond', serif;
  font-style:italic;
  color: var(--rose-deep);
  background: linear-gradient(90deg, var(--rose-deep), var(--gold) 60%, var(--rose-deep));
  background-size:200% auto;
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  animation: shimmer 3.5s linear infinite;
}

@keyframes shimmer{
  0%{ background-position: 0% center; }
  100%{ background-position: 200% center; }
}

#dots{
  display:flex;
  gap:8px;
  justify-content:center;
  margin-top:26px;
  transition: opacity .4s ease;
}
#dots .dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background: rgba(194,63,92,.25);
  transition: background .4s ease, transform .4s ease;
}
#dots .dot.active{
  background: var(--rose-deep);
  transform: scale(1.35);
}

.video-frame{
  margin:36px auto 0;
  width:360px;
  max-width:100%;
  aspect-ratio: 3 / 4;
  border-radius:18px;
  overflow:hidden;
  display:none;
  position:relative;
  box-shadow: 0 12px 40px rgba(194,63,92,.3), 0 0 0 6px #fff, 0 0 0 8px var(--gold-soft);
  opacity:1;
  transition: opacity .7s ease;
}

.video-frame.fade-out{
  opacity:0;
}

.video-frame #closingVideo{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  border:none;
}

/* --- Pertanyaan sebelum pesan penutup --- */
#questions{
  display:none;
  width:100%;
  max-width:520px;
  margin: 20px auto 0;
}

.question-card{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:22px;
  animation: q-fade-in .6s ease;
}

@keyframes q-fade-in{
  from{ opacity:0; transform: translateY(14px); }
  to{ opacity:1; transform: translateY(0); }
}

.question-text{
  font-family:'Playfair Display', serif;
  font-size: clamp(20px, 3.6vw, 30px);
  line-height:1.5;
  color: var(--plum);
}

.question-buttons{
  display:flex;
  gap:18px;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
}

.btn-yes,
.btn-no,
.btn-next{
  padding:14px 34px;
  font-family:'Quicksand', sans-serif;
  font-weight:600;
  letter-spacing:.02em;
  font-size:17px;
  cursor:pointer;
  border-radius:999px;
  transition: transform .35s cubic-bezier(.34,1.4,.4,1), opacity .35s ease, box-shadow .3s ease, background .3s ease;
}

.btn-yes,
.btn-next{
  border: 1px solid var(--gold-soft);
  background: linear-gradient(180deg, #fff, var(--blush-soft));
  color: var(--rose-deep);
  box-shadow: 0 8px 20px rgba(194,63,92,.18);
}

.btn-yes:hover,
.btn-next:hover{
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(194,63,92,.3);
  background: linear-gradient(180deg, #fff, var(--blush));
}

.btn-no{
  border: 1px solid rgba(122,37,64,.25);
  background: transparent;
  color: var(--plum);
  opacity:.75;
}

.btn-no:hover{
  opacity:1;
}

/* tombol Yes yang membesar setiap kali No ditekan */
.btn-yes.yes-fullscreen{
  position:fixed;
  inset:0;
  width:100vw;
  height:100vh;
  transform:none !important;
  border-radius:0;
  font-size: clamp(32px, 9vw, 90px);
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:9999;
  box-shadow:none;
  border:none;
  background: linear-gradient(160deg, var(--cream) 0%, var(--blush-soft) 45%, var(--blush) 100%);
}

.question-input{
  font-family:'Quicksand', sans-serif;
  font-size:18px;
  padding:12px 18px;
  border-radius:14px;
  border: 1px solid rgba(201,161,92,.5);
  background: #fff;
  color: var(--plum);
  outline:none;
}

.question-input:focus{
  border-color: var(--rose);
  box-shadow: 0 0 0 3px rgba(227,93,119,.15);
}

.question-input.shake{
  animation: input-shake .4s ease;
  border-color: var(--rose-deep);
}

@keyframes input-shake{
  0%, 100%{ transform: translateX(0); }
  25%{ transform: translateX(-6px); }
  75%{ transform: translateX(6px); }
}

#closingSignature{
  display:none;
  margin-top:28px;
  opacity:0;
  transition: opacity 1.2s ease;
}
#closingSignature.show{
  display:block;
  opacity:1;
}
.signature-line{
  font-family:'Cormorant Garamond', serif;
  font-style:italic;
  font-size:18px;
  color: var(--plum);
  opacity:.8;
}
.signature-name{
  font-family:'Dancing Script', cursive;
  font-size: clamp(28px, 5vw, 38px);
  color: var(--rose-deep);
  margin-top:4px;
}

#download{
  display:none;
  margin-top:34px;
  gap:14px;
  justify-content:center;
  flex-wrap:wrap;
}

#download a{
  text-decoration:none;
}

#download button{
  padding:14px 28px;
  font-family:'Quicksand', sans-serif;
  font-weight:600;
  letter-spacing:.02em;
  font-size:16px;
  cursor:pointer;
  border: 1px solid var(--gold-soft);
  border-radius:999px;
  background: linear-gradient(180deg, #fff, var(--blush-soft));
  color: var(--rose-deep);
  transition: transform .3s ease, box-shadow .3s ease, background .3s ease;
}

#download button:hover{
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(194,63,92,.25);
  background: linear-gradient(180deg, #fff, var(--blush));
}

.flower, .heart-petal{
  position:absolute;
  left:50%;
  top:50%;
  pointer-events:none;
  will-change: transform, opacity;
  filter: drop-shadow(0 0 6px rgba(227,93,119,.35));
}

.star-dot{
  position:absolute;
  border-radius:50%;
  background: #fff;
  box-shadow: 0 0 6px 1px rgba(255,255,255,.8);
  opacity:0;
}

@media (max-width:520px){
  .container{ padding:32px 20px; }
  .letter{ width:190px; height:135px; }
  .wax-seal{ width:64px; height:64px; }
  .seal-icon{ font-size:28px; }
  .seal-half.left .seal-icon{ margin-right:30px; }
  .seal-half.right .seal-icon{ margin-left:30px; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}