*{box-sizing:border-box}
body{
  margin:0;
  min-height:100vh;
  display:grid;
  place-items:center;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:
    radial-gradient(circle at top, rgba(255,45,135,.25), transparent 55%),
    radial-gradient(circle at bottom, rgba(255,122,0,.18), transparent 55%),
    linear-gradient(180deg, #fff, #fff7fb);
  padding:20px;
  overflow-x:hidden;
}

/* Fireworks canvas */
#fireworks{
  position:fixed;
  inset:0;
  width:100vw;
  height:100vh;
  pointer-events:none;
  opacity:0;
  transition:opacity .35s ease;
  z-index:50;
}
#fireworks.on{opacity:1;}

.card{
  width:min(560px,100%);
  background:rgba(255,255,255,.92);
  border:1px solid rgba(255,45,135,.18);
  border-radius:26px;
  padding:28px 26px;
  box-shadow:0 22px 70px rgba(255,45,135,.16);
  text-align:center;
  position:relative;
  overflow:hidden;
  z-index:1;
}
.card:before{
  content:"";
  position:absolute;
  inset:-40px;
  background:radial-gradient(circle at 20% 10%, rgba(255,45,135,.18), transparent 40%),
             radial-gradient(circle at 80% 90%, rgba(255,122,0,.14), transparent 45%);
  filter:blur(6px);
  z-index:0;
}
.card > *{position:relative; z-index:1;}

.sparkle{
  font-size:42px;
  margin-bottom:6px;
  animation:float 2.8s ease-in-out infinite;
}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

.headline{margin:0 0 6px; font-size:34px; letter-spacing:.2px;}
.subhead{margin:0 0 18px; opacity:.78; font-size:16px;}
.question h2{margin:0; font-size:28px;}
.hint{margin:10px 0 0; opacity:.72;}

.buttons{
  display:flex;
  gap:12px;
  justify-content:center;
  margin-top:22px;
  flex-wrap:wrap;
}

button{
  border:0;
  border-radius:16px;
  padding:12px 18px;
  cursor:pointer;
  font-weight:800;
  transition:transform .15s ease, font-size .2s ease, box-shadow .2s ease, filter .2s ease;
  user-select:none;
}
button:hover{filter:brightness(1.02);}
button:active{transform:scale(.98);}

.yes{
  background:#ff2d87;
  color:#fff;
  font-size:18px;
  box-shadow:0 10px 26px rgba(255,45,135,.25);
}
.no{background:#f3f3f6;color:#222;font-size:16px;}

.tiny{margin:14px 0 0; font-size:13px; opacity:.62;}
.footer{margin-top:16px; opacity:.72; font-style:italic;}

/* Modal */
.modal{
  position:fixed;
  inset:0;
  display:grid;
  place-items:center;
  background:rgba(0,0,0,.35);
  padding:18px;
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease;
  z-index:60;
}
.modal.show{opacity:1; pointer-events:auto;}
.modal-card{
  width:min(520px,100%);
  background:rgba(255,255,255,.95);
  border-radius:22px;
  padding:22px;
  box-shadow:0 20px 60px rgba(0,0,0,.18);
  border:1px solid rgba(255,45,135,.18);
  animation:pop .22s ease;
}
@keyframes pop{from{transform:scale(.98); opacity:.8}to{transform:scale(1); opacity:1}}
.modal-text{margin:6px 0 0; opacity:.8;}

/* Celebration overlay */
.celebration{
  position:fixed;
  inset:0;
  display:grid;
  place-items:center;
  background:rgba(255, 245, 250, .55);
  backdrop-filter: blur(6px);
  padding:18px;
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease;
  z-index:70;
}
.celebration.show{opacity:1; pointer-events:auto;}
.celebration-card{
  width:min(560px,100%);
  background:rgba(255,255,255,.92);
  border:1px solid rgba(255,45,135,.18);
  border-radius:26px;
  padding:26px;
  box-shadow:0 22px 70px rgba(255,45,135,.18);
  text-align:center;
  position:relative;
  overflow:hidden;
}

.gif-wrap{
  margin:16px auto 6px;
  width:min(320px, 85%);
  border-radius:18px;
  overflow:hidden;
  border:1px solid rgba(255,45,135,.18);
  box-shadow:0 16px 40px rgba(0,0,0,.12);
}
.gif-wrap img{display:block; width:100%; height:auto;}