/* ==========================================================================
   KONFIGURASI WARNA — ubah di sini untuk mengganti tema warna seluruh web
   ========================================================================== */
:root{
  --blush:#ffd7e6;
  --blush-deep:#ff9ebd;
  --lavender:#e3d6f7;
  --lavender-deep:#b79ee8;
  --peach:#ffd9b8;
  --cream:#fff7f0;
  --plum:#5b3b5e;
  --plum-soft:#8a6a8d;
  --gold:#f3c98a;
  --night-1:#2b2340;
  --night-2:#4a3566;
  --night-3:#7a5590;
  --white:#ffffff;
  --shadow-soft:0 12px 34px rgba(122,60,110,.18);
  --radius-lg:28px;
  --radius-md:18px;
  --font-display:'Fraunces', serif;
  --font-body:'Quicksand', sans-serif;
}

*{box-sizing:border-box; -webkit-tap-highlight-color:transparent;}

/* halus butiran cahaya premium di atas layar malam */
.sky::before{
  content:''; position:absolute; inset:0; pointer-events:none; opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:3px 3px;
}
html,body{
  margin:0; padding:0; width:100%; height:100%;
  overflow:hidden;
  font-family:var(--font-body);
  background:var(--cream);
  color:var(--plum);
  overscroll-behavior:none;
}
body{ position:fixed; inset:0; }
img{ -webkit-user-drag:none; user-select:none; }
button{ font-family:inherit; }

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

/* ==========================================================================
   UTIL — layar penuh & transisi
   ========================================================================== */
.screen{
  position:fixed; inset:0; width:100%; height:100%;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  opacity:1; visibility:visible;
  transition:opacity .6s ease, visibility .6s ease;
  overflow:hidden;
}
.screen.is-hidden{ opacity:0; visibility:hidden; pointer-events:none; }

.sky{
  position:absolute; inset:0;
  background:linear-gradient(180deg,var(--night-1) 0%, var(--night-2) 45%, var(--night-3) 75%, var(--peach) 100%);
  overflow:hidden;
}
.sky::after{
  /* halo bulan menyebar lembut */
  content:''; position:absolute; top:8%; right:14%; width:220px; height:220px;
  background:radial-gradient(circle, rgba(255,246,214,.5), transparent 70%);
  filter:blur(6px);
}
.moon{
  position:absolute; top:10%; right:16%; width:78px; height:78px; border-radius:50%;
  background:radial-gradient(circle at 35% 32%, #fffdf3, #ffe9b0 60%, #f6d98a 100%);
  box-shadow:0 0 40px 6px rgba(255,232,170,.55);
}
.moon::before{
  content:''; position:absolute; top:14%; left:60%; width:60%; height:100%; border-radius:50%;
  background:var(--night-1); opacity:.9;
}
.stars{ position:absolute; inset:0; }
.star{
  position:absolute; width:3px; height:3px; border-radius:50%; background:#fff;
  animation:twinkle 2.6s ease-in-out infinite;
}
@keyframes twinkle{ 0%,100%{opacity:.25; transform:scale(.8);} 50%{opacity:1; transform:scale(1.3);} }

.shooting-star{
  position:absolute; width:2px; height:2px; background:#fff; border-radius:50%;
  box-shadow:0 0 8px 2px #fff;
  opacity:0;
}
@keyframes shoot{
  0%{ opacity:0; transform:translate(0,0) rotate(-35deg) scaleX(1); }
  8%{ opacity:1; }
  60%{ opacity:1; }
  100%{ opacity:0; transform:translate(-260px,180px) rotate(-35deg) scaleX(1); }
}

/* partikel hati mengambang */
.hearts-field{ position:absolute; inset:0; overflow:hidden; pointer-events:none; z-index:5; }
.heart-particle{
  position:absolute; bottom:-40px; font-size:16px; opacity:0;
  animation:floatUp linear forwards;
  filter:drop-shadow(0 2px 6px rgba(255,140,180,.4));
}
@keyframes floatUp{
  0%{ opacity:0; transform:translateY(0) translateX(0) rotate(0deg); }
  10%{ opacity:.9; }
  90%{ opacity:.7; }
  100%{ opacity:0; transform:translateY(-115vh) translateX(var(--drift,20px)) rotate(20deg); }
}

.sparkle{
  position:absolute; width:6px; height:6px; pointer-events:none;
  background:radial-gradient(circle, #fff, transparent 70%);
  border-radius:50%; opacity:0;
  animation:sparklePop 1.6s ease-out forwards;
}
@keyframes sparklePop{
  0%{ opacity:0; transform:scale(0); }
  40%{ opacity:1; transform:scale(1.3); }
  100%{ opacity:0; transform:scale(.4); }
}

/* ==========================================================================
   KARAKTER UTAMA
   ========================================================================== */
.character-wrap{
  position:relative;
  animation:floatChar 4.5s ease-in-out infinite;
}
@keyframes floatChar{
  0%,100%{ transform:translateY(0) rotate(-1deg); }
  50%{ transform:translateY(-16px) rotate(1deg); }
}
.character-wrap::before{
  content:''; position:absolute; left:50%; bottom:-6%; width:70%; height:26px;
  transform:translateX(-50%); border-radius:50%;
  background:radial-gradient(ellipse, rgba(60,30,60,.28), transparent 70%);
  animation:shadowPulse 4.5s ease-in-out infinite;
}
@keyframes shadowPulse{
  0%,100%{ transform:translateX(-50%) scale(1); opacity:.5; }
  50%{ transform:translateX(-50%) scale(.82); opacity:.3; }
}
.character-glow{
  position:absolute; inset:-14%; border-radius:50%;
  background:radial-gradient(circle, rgba(255,214,232,.55), transparent 65%);
  filter:blur(10px); z-index:-1;
  animation:glowPulse 3.2s ease-in-out infinite;
}
@keyframes glowPulse{
  0%,100%{ opacity:.6; transform:scale(.94); }
  50%{ opacity:1; transform:scale(1.05); }
}
.character-img{
  position:relative; display:block; width:220px; height:auto; z-index:2;
  filter:drop-shadow(0 18px 22px rgba(60,20,50,.28));
}
.character-blush{
  position:absolute; width:15%; height:6%; border-radius:50%;
  background:radial-gradient(circle, rgba(255,140,170,.55), transparent 70%);
  z-index:3; pointer-events:none;
  animation:blushPulse 3.4s ease-in-out infinite;
}
.blush-l{ left:23%; top:45%; }
.blush-r{ right:21%; top:45%; }
@keyframes blushPulse{ 0%,100%{ opacity:.55; } 50%{ opacity:.95; } }
.character-blink{
  position:absolute; left:29%; top:33%; width:42%; height:7%;
  background:linear-gradient(180deg, transparent, var(--cream) 45%, transparent);
  opacity:0; z-index:3; pointer-events:none; border-radius:50%;
  animation:blinkEyes 5.5s ease-in-out infinite;
}
@keyframes blinkEyes{
  0%,92%,100%{ opacity:0; }
  95%{ opacity:.85; }
}

/* ==========================================================================
   LAYAR 1 — PEMBUKA
   ========================================================================== */
#screen-intro .character-img{ width:190px; }
.intro-content{ position:relative; z-index:6; display:flex; flex-direction:column; align-items:center; gap:18px; padding:0 28px; text-align:center; }
.intro-envelope{ font-size:44px; filter:drop-shadow(0 8px 14px rgba(0,0,0,.35)); animation:envelopeSway 3s ease-in-out infinite; }
@keyframes envelopeSway{ 0%,100%{ transform:rotate(-6deg); } 50%{ transform:rotate(6deg); } }
.intro-title{
  font-family:var(--font-display); font-weight:500; font-style:italic;
  font-size:26px; color:#fff; text-shadow:0 2px 12px rgba(0,0,0,.35);
  margin:0; line-height:1.3;
}
.gold-shimmer{
  background:linear-gradient(90deg, var(--gold) 0%, #fff6dd 25%, var(--gold) 50%, #fff6dd 75%, var(--gold) 100%);
  background-size:220% auto;
  -webkit-background-clip:text; background-clip:text; color:transparent;
  animation:shimmerMove 3.6s linear infinite;
}
@keyframes shimmerMove{ to{ background-position:-220% 0; } }
.btn-primary{
  position:relative; overflow:hidden;
  border:none; cursor:pointer; padding:15px 38px; border-radius:999px;
  font-family:var(--font-body); font-weight:700; font-size:15px; letter-spacing:.03em;
  color:var(--plum); background:linear-gradient(135deg, var(--blush), var(--peach));
  box-shadow:0 10px 26px rgba(255,150,180,.4);
  transition:transform .25s ease, box-shadow .25s ease;
}
.btn-primary:active{ transform:scale(.95); }
.ripple{
  position:absolute; border-radius:50%; background:rgba(255,255,255,.55);
  transform:scale(0); animation:rippleAnim .6s ease-out forwards; pointer-events:none;
}
@keyframes rippleAnim{ to{ transform:scale(3.2); opacity:0; } }

/* ==========================================================================
   LAYAR 2 — PIN
   ========================================================================== */
#screen-pin{ z-index:20; }
.pin-card{
  position:relative; z-index:6; width:min(340px,86vw);
  background:rgba(255,255,255,.14); backdrop-filter:blur(18px); -webkit-backdrop-filter:blur(18px);
  border:1px solid rgba(255,255,255,.28); border-radius:var(--radius-lg);
  padding:30px 22px 26px; text-align:center;
  box-shadow:0 20px 50px rgba(20,10,30,.35), 0 0 0 1px rgba(243,201,138,.18);
}
.pin-title{ font-family:var(--font-display); font-style:italic; font-size:20px; color:#fff; margin:0 0 4px; }
.pin-sub{ font-size:12.5px; color:rgba(255,255,255,.72); margin:0 0 20px; }
.pin-dots{ display:flex; justify-content:center; gap:14px; margin-bottom:22px; }
.pin-dot{
  width:14px; height:14px; border-radius:50%; border:2px solid rgba(255,255,255,.55);
  transition:background .2s ease, transform .2s ease;
}
.pin-dot.filled{ background:var(--blush); border-color:var(--blush); transform:scale(1.15); }
.pin-card.shake{ animation:shakeCard .5s ease; }
@keyframes shakeCard{
  0%,100%{ transform:translateX(0); }
  20%{ transform:translateX(-10px); } 40%{ transform:translateX(10px); }
  60%{ transform:translateX(-7px); } 80%{ transform:translateX(7px); }
}
.pin-error{ min-height:18px; font-size:12.5px; color:#ffd0dc; margin-bottom:10px; font-weight:600; }
.pin-pad{ display:grid; grid-template-columns:repeat(3,1fr); gap:12px; }
.pin-key{
  position:relative; overflow:hidden;
  aspect-ratio:1; border-radius:50%; border:1px solid rgba(255,255,255,.3);
  background:rgba(255,255,255,.1); color:#fff; font-size:19px; font-weight:600;
  display:flex; align-items:center; justify-content:center; cursor:pointer;
  transition:background .15s ease, transform .15s ease;
}
.pin-key:active{ transform:scale(.9); background:rgba(255,255,255,.28); }
.pin-key.key-empty{ visibility:hidden; }
.pin-key.key-back{ font-size:15px; }

.unlock-burst{
  position:fixed; inset:0; z-index:30; pointer-events:none;
  background:radial-gradient(circle at 50% 50%, rgba(255,255,255,.95), rgba(255,214,232,.5) 40%, transparent 70%);
  opacity:0;
}
.unlock-burst.play{ animation:burstAnim 1s ease-out forwards; }
@keyframes burstAnim{
  0%{ opacity:0; transform:scale(.2); }
  35%{ opacity:1; transform:scale(1.3); }
  100%{ opacity:0; transform:scale(2.4); }
}

/* ==========================================================================
   APP — SETELAH TERBUKA
   ========================================================================== */
#app{ z-index:10; }
#app.is-hidden{ opacity:0; visibility:hidden; pointer-events:none; }
.app-bg{
  position:absolute; inset:0;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(255,214,232,.9), transparent 55%),
    radial-gradient(ellipse at 85% 15%, rgba(227,214,247,.85), transparent 50%),
    linear-gradient(180deg, var(--cream) 0%, #fdeef2 55%, #f7e9f5 100%);
}
.pages{ position:absolute; inset:0; bottom:74px; overflow:hidden; }
.page{
  position:absolute; inset:0; overflow-y:auto; -webkit-overflow-scrolling:touch;
  padding:26px 20px 30px; opacity:0; visibility:hidden; transform:translateY(14px);
  transition:opacity .45s ease, transform .45s ease, visibility .45s ease;
}
.page.is-active{ opacity:1; visibility:visible; transform:translateY(0); z-index:2; }

.page-heading{
  font-family:var(--font-display); font-style:italic; font-weight:500;
  font-size:22px; text-align:center; margin:4px 0 22px; color:var(--plum);
}

/* ---- Beranda ---- */
#page-beranda{ display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; padding-top:8px; }
.beranda-character{ margin-bottom:6px; }
.beranda-character .character-img{ width:230px; }
.beranda-greet{
  font-family:var(--font-display); font-style:italic; font-size:24px; color:var(--plum);
  margin:8px 0 6px;
}
.beranda-sub{ font-size:14px; color:var(--plum-soft); max-width:280px; line-height:1.6; margin:0; }
.beranda-badge{
  margin-top:18px; display:inline-flex; align-items:center; gap:8px;
  padding:9px 18px; border-radius:999px; background:rgba(255,255,255,.6);
  box-shadow:var(--shadow-soft); font-size:12.5px; font-weight:600; color:var(--plum-soft);
}

/* ---- Galeri ---- */
.gallery-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:12px; max-width:520px; margin:0 auto;
}
.gallery-item{
  position:relative; border-radius:var(--radius-md); overflow:hidden; cursor:pointer;
  box-shadow:var(--shadow-soft); aspect-ratio:3/4; background:var(--blush);
  transform:scale(1); transition:transform .25s ease;
}
.gallery-item:active{ transform:scale(.95); }
.gallery-item img{ width:100%; height:100%; object-fit:cover; display:block; transition:transform .4s ease; }
.gallery-item:hover img{ transform:scale(1.06); }
.gallery-item::after{
  content:''; position:absolute; inset:0; opacity:0;
  background:linear-gradient(180deg, transparent 60%, rgba(91,59,94,.55));
  transition:opacity .25s ease;
}
.gallery-item:active::after{ opacity:1; }

.lightbox{
  position:fixed; inset:0; z-index:40; background:rgba(30,16,32,.94);
  display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden; transition:opacity .35s ease, visibility .35s ease;
  touch-action:pan-y;
}
.lightbox.is-open{ opacity:1; visibility:visible; }
.lightbox-stage{ position:relative; width:100%; height:100%; display:flex; align-items:center; justify-content:center; overflow:hidden; }
.lightbox-img{
  max-width:88vw; max-height:78vh; border-radius:14px; object-fit:contain;
  box-shadow:0 20px 60px rgba(0,0,0,.5);
  opacity:0; transform:scale(.92); transition:opacity .35s ease, transform .35s ease;
  touch-action:pinch-zoom;
}
.lightbox-img.show{ opacity:1; transform:scale(1); }
.lightbox-close, .lightbox-nav{
  position:absolute; z-index:2; border:none; cursor:pointer;
  background:rgba(255,255,255,.12); color:#fff; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  backdrop-filter:blur(6px);
}
.lightbox-close{ top:22px; right:18px; width:38px; height:38px; font-size:18px; }
.lightbox-nav{ top:50%; transform:translateY(-50%); width:44px; height:44px; font-size:20px; }
.lightbox-prev{ left:12px; } .lightbox-next{ right:12px; }
.lightbox-counter{
  position:absolute; bottom:22px; left:50%; transform:translateX(-50%);
  color:rgba(255,255,255,.85); font-size:12.5px; letter-spacing:.05em;
  background:rgba(255,255,255,.12); padding:6px 14px; border-radius:999px;
}

/* ---- Surat ---- */
.letter-paper{
  max-width:420px; margin:0 auto; background:#fffdf8;
  border-radius:6px; padding:30px 24px 34px;
  box-shadow:0 18px 50px rgba(91,59,94,.22), 0 0 0 1px rgba(91,59,94,.05);
  position:relative; overflow:hidden;
  background-image:repeating-linear-gradient(rgba(91,59,94,.05) 0 1px, transparent 1px 34px);
  background-position:0 64px;
  opacity:0; transform:translateY(20px) rotate(-1deg);
  transition:opacity .6s ease, transform .6s ease;
}
.letter-paper.show{ opacity:1; transform:translateY(0) rotate(0); }
.letter-paper::before{
  content:''; position:absolute; top:0; left:0; right:0; height:6px;
  background:linear-gradient(90deg, var(--blush-deep), var(--gold), var(--lavender-deep), var(--peach));
}
.letter-seal{
  position:absolute; top:16px; right:18px; font-size:20px; opacity:.85;
  filter:drop-shadow(0 2px 4px rgba(91,59,94,.3));
}
.letter-greeting{ font-family:var(--font-display); font-style:italic; font-size:19px; color:var(--plum); margin:8px 0 14px; }
.letter-body{ font-size:14.5px; line-height:1.85; color:#4a3a4d; white-space:pre-wrap; min-height:220px; }
.letter-cursor{ display:inline-block; width:2px; height:15px; background:var(--plum-soft); vertical-align:middle; margin-left:1px; animation:blinkCursor .8s steps(1) infinite; }
@keyframes blinkCursor{ 50%{ opacity:0; } }
.letter-sign{ margin-top:22px; text-align:right; font-family:var(--font-display); font-style:italic; font-size:15px; color:var(--plum-soft); opacity:0; transition:opacity .6s ease; }
.letter-sign.show{ opacity:1; }
.letter-footer{
  text-align:center; margin-top:26px; font-size:12px; color:var(--plum-soft);
  display:flex; align-items:center; justify-content:center; gap:6px;
}
.mini-heart{ display:inline-block; animation:miniBeat 1.1s ease-in-out infinite; }
@keyframes miniBeat{ 0%,100%{ transform:scale(1); } 50%{ transform:scale(1.25); } }

/* ---- Musik ---- */
.player-card{
  max-width:340px; margin:10px auto 0; text-align:center;
  background:rgba(255,255,255,.55); backdrop-filter:blur(10px);
  border-radius:var(--radius-lg); padding:26px 22px 22px; box-shadow:var(--shadow-soft);
}
.player-cover{
  width:170px; height:170px; margin:0 auto 18px; border-radius:50%;
  overflow:hidden; box-shadow:0 14px 34px rgba(91,59,94,.3), 0 0 0 3px rgba(243,201,138,.55);
  border:5px solid #fff;
  position:relative;
  animation:spinCover 14s linear infinite; animation-play-state:paused;
}
.player-cover::after{
  content:''; position:absolute; inset:-5px; border-radius:50%; pointer-events:none;
  background:conic-gradient(from 0deg, var(--gold), transparent 30%, transparent 70%, var(--gold));
  opacity:.7; z-index:-1;
}
.player-cover.spin{ animation-play-state:running; }
.player-cover img{ width:100%; height:100%; object-fit:cover; }
@keyframes spinCover{ from{ transform:rotate(0);} to{ transform:rotate(360deg);} }
.player-title{ font-family:var(--font-display); font-style:italic; font-size:17px; margin:0 0 2px; color:var(--plum); }
.player-artist{ font-size:12.5px; color:var(--plum-soft); margin:0 0 18px; }
.player-progress{
  width:100%; height:5px; border-radius:999px; background:rgba(91,59,94,.15);
  position:relative; cursor:pointer; margin-bottom:8px;
}
.player-progress-fill{ position:absolute; inset:0 auto 0 0; width:0%; border-radius:999px; background:linear-gradient(90deg,var(--blush-deep),var(--lavender-deep)); }
.player-progress-handle{
  position:absolute; top:50%; width:12px; height:12px; border-radius:50%; background:#fff;
  box-shadow:0 2px 6px rgba(0,0,0,.3); transform:translate(-50%,-50%); left:0%;
}
.player-times{ display:flex; justify-content:space-between; font-size:10.5px; color:var(--plum-soft); margin-bottom:18px; }
.player-controls{ display:flex; align-items:center; justify-content:center; gap:20px; margin-bottom:16px; }
.player-btn{
  border:none; background:rgba(91,59,94,.08); color:var(--plum); cursor:pointer;
  border-radius:50%; display:flex; align-items:center; justify-content:center;
  width:42px; height:42px; font-size:15px; transition:transform .2s ease, background .2s ease;
}
.player-btn.main{ width:58px; height:58px; font-size:20px; background:linear-gradient(135deg,var(--blush-deep),var(--lavender-deep)); color:#fff; }
.player-btn:active{ transform:scale(.88); }
.player-btn.active{ background:var(--gold); color:#5b3b5e; }
.player-volume{ display:flex; align-items:center; gap:10px; }
.player-volume input[type=range]{ flex:1; accent-color:var(--blush-deep); }

/* ==========================================================================
   NAV BAWAH
   ========================================================================== */
.bottom-nav{
  position:absolute; left:0; right:0; bottom:0; height:74px; z-index:15;
  display:flex; align-items:center; justify-content:space-around;
  background:rgba(255,255,255,.7); backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  border-top:1px solid rgba(91,59,94,.08);
  padding-bottom:env(safe-area-inset-bottom);
}
.nav-btn{
  position:relative; overflow:hidden;
  border:none; background:none; cursor:pointer; display:flex; flex-direction:column;
  align-items:center; gap:3px; padding:8px 14px; border-radius:16px;
  color:var(--plum-soft); font-size:10.5px; font-weight:600; font-family:var(--font-body);
  transition:color .25s ease, transform .2s ease;
}
.nav-btn .nav-icon{ font-size:19px; transition:transform .25s ease; }
.nav-btn.is-active{ color:var(--plum); }
.nav-btn.is-active .nav-icon{ transform:translateY(-2px) scale(1.12); }
.nav-btn.is-active::before{
  content:''; position:absolute; top:0; width:26px; height:3px; border-radius:0 0 4px 4px;
  background:linear-gradient(90deg,var(--blush-deep),var(--lavender-deep));
}

/* scrollbar tipis */
.page::-webkit-scrollbar{ width:4px; }
.page::-webkit-scrollbar-thumb{ background:rgba(91,59,94,.2); border-radius:4px; }

/* PIN key layout helper */