:root {
  --pink-deep:   #8e1f4b;
  --pink-mid:    #d63b72;
  --pink-hot:    #ff5c9a;
  --pink-soft:   #ffa8cd;
  --pink-pale:   #ffd6e8;
  --cream:       #fff4f9;
  --shadow:      #6d1338;
}

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

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

body {
  font-family: 'Press Start 2P', 'Courier New', monospace;
  color: var(--pink-deep);
  background:
    radial-gradient(circle at 50% 120%, #ffe3f1 0%, transparent 55%),
    linear-gradient(#ffbcd9 0%, #ff8fbe 45%, #f2649f 100%);
  -webkit-font-smoothing: none;
  image-rendering: pixelated;
  overscroll-behavior: none;
}

/* ---------- pixel checker overlay + rolling clouds ---------- */

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(45deg, rgba(255,255,255,.10) 25%, transparent 25%, transparent 75%, rgba(255,255,255,.10) 75%),
    linear-gradient(45deg, rgba(255,255,255,.10) 25%, transparent 25%, transparent 75%, rgba(255,255,255,.10) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 8px 8px;
  z-index: 0;
}

.clouds {
  position: fixed;
  left: 0; right: 0; bottom: -10px;
  height: 42vh;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(closest-side, rgba(255,255,255,.55) 100%, transparent) -6% 88% / 46% 34% no-repeat,
    radial-gradient(closest-side, rgba(255,255,255,.45) 100%, transparent) 26% 100% / 40% 30% no-repeat,
    radial-gradient(closest-side, rgba(255,255,255,.5)  100%, transparent) 68% 92%  / 44% 32% no-repeat,
    radial-gradient(closest-side, rgba(255,255,255,.35) 100%, transparent) 104% 100% / 38% 28% no-repeat;
  filter: blur(.5px);
  animation: drift 26s ease-in-out infinite alternate;
}

@keyframes drift {
  from { transform: translateX(-14px); }
  to   { transform: translateX(14px); }
}

/* ---------- floating pixel sparkles ---------- */

.sparkles { position: fixed; inset: 0; pointer-events: none; z-index: 1; }

.spark {
  position: absolute;
  width: 10px; height: 10px;
  opacity: .75;
  background:
    linear-gradient(var(--c), var(--c)) 4px 0   / 2px 10px no-repeat,
    linear-gradient(var(--c), var(--c)) 0   4px / 10px 2px no-repeat;
  animation: bob var(--dur) ease-in-out infinite alternate;
}

@keyframes bob {
  from { transform: translateY(0) scale(.8); opacity: .35; }
  to   { transform: translateY(-16px) scale(1.15); opacity: .9; }
}

/* ---------- layout ---------- */

.stage {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 3vh, 30px);
  padding: 24px 16px calc(24px + env(safe-area-inset-bottom));
  text-align: center;
}

.hidden { display: none; }

/* ---------- pixel picture frame ---------- */

.frame {
  padding: 10px;
  background: var(--pink-soft);
  border: 5px solid var(--pink-mid);
  box-shadow:
    0 0 0 5px var(--cream),
    0 0 0 10px var(--pink-deep),
    0 12px 0 10px rgba(109,19,56,.28);
  animation: float 4.5s ease-in-out infinite alternate;
}

@keyframes float {
  from { transform: translateY(0); }
  to   { transform: translateY(-9px); }
}

.frame-inner {
  width: clamp(180px, 46vw, 280px);
  height: clamp(180px, 46vw, 280px);
  display: grid;
  place-items: center;
  background: var(--cream);
  border: 4px solid var(--pink-hot);
  overflow: hidden;
}

#melody {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform .18s steps(3);
}

#melody.pop { transform: scale(1.12) rotate(-4deg); }

/* ---------- copy ---------- */

h1 {
  font-size: clamp(11px, 3.4vw, 19px);
  line-height: 2;
  color: var(--cream);
  text-shadow:
     3px 3px 0 var(--pink-deep),
    -1px -1px 0 var(--pink-deep),
     1px -1px 0 var(--pink-deep),
    -1px  1px 0 var(--pink-deep);
  letter-spacing: .5px;
}

.nag {
  min-height: 2.2em;
  font-size: clamp(8px, 2.5vw, 12px);
  line-height: 1.9;
  color: var(--pink-deep);
  text-shadow: 1px 1px 0 rgba(255,255,255,.7);
}

/* ---------- buttons ---------- */

.buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 5vw, 34px);
  flex-wrap: wrap;
  min-height: 90px;
}

.btn {
  font-family: inherit;
  cursor: pointer;
  border: 4px solid var(--pink-deep);
  padding: 16px 26px;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: transform .12s steps(2), filter .12s;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.btn:active { transform: translateY(4px); }

.btn-yes {
  font-size: var(--yes-size, 18px);
  color: var(--cream);
  background: linear-gradient(var(--pink-hot), var(--pink-mid));
  box-shadow:
    inset 0 4px 0 rgba(255,255,255,.55),
    inset 0 -5px 0 rgba(109,19,56,.5),
    0 7px 0 var(--shadow);
  text-shadow: 2px 2px 0 var(--pink-deep);
  transition: font-size .35s cubic-bezier(.34,1.8,.64,1), padding .35s cubic-bezier(.34,1.8,.64,1), transform .12s steps(2);
}

.btn-yes:hover { filter: brightness(1.08); }

.btn-no {
  font-size: 14px;
  color: var(--pink-mid);
  background: var(--pink-pale);
  box-shadow:
    inset 0 4px 0 rgba(255,255,255,.8),
    0 6px 0 rgba(109,19,56,.35);
}

.btn-no:hover { filter: brightness(1.04); }

.btn-no.small { font-size: 11px; padding: 12px 18px; }

/* ---------- celebration ---------- */

#celebrate {
  position: fixed;
  inset: 0;
  background: linear-gradient(#3d0a22, #7a1440 60%, #b32662);
}

#particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.celebrate-text {
  position: absolute;
  left: 50%;
  bottom: calc(6vh + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: max-content;
  max-width: 92vw;
  z-index: 2;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 18px 26px;
  background: rgba(30, 6, 18, .55);
  border: 3px solid rgba(255, 92, 154, .5);
  opacity: 0;
  animation: fadeUp 1.2s ease 2.4s forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateX(-50%) translateY(14px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.celebrate-text h2 {
  font-size: clamp(13px, 4vw, 26px);
  color: var(--cream);
  letter-spacing: 3px;
  text-shadow: 0 0 18px var(--pink-hot), 3px 3px 0 var(--pink-deep);
}

.celebrate-text p {
  font-size: clamp(9px, 2.6vw, 13px);
  color: var(--pink-soft);
  letter-spacing: 1px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; }
}