:root {
  --bg-start: #1a0033;
  --bg-end: #4a0f67;
  --card-bg: rgba(255, 255, 255, 0.12);
  --text: #fff7ff;
  --accent: #ffd166;
  --button: #ff6fa9;
  --button-hover: #ff4d93;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #6d1f9f 0%, var(--bg-start) 40%, var(--bg-end) 100%);
  display: grid;
  place-items: center;
  overflow-x: hidden;
}

.stars {
  position: fixed;
  inset: 0;
  background-image: radial-gradient(2px 2px at 20% 30%, #fff, transparent),
    radial-gradient(2px 2px at 80% 20%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 50% 80%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 70% 60%, #fff, transparent),
    radial-gradient(2px 2px at 35% 65%, #fff, transparent);
  opacity: 0.4;
  pointer-events: none;
  animation: twinkle 6s ease-in-out infinite alternate;
}

@keyframes twinkle {
  from { opacity: 0.2; }
  to { opacity: 0.5; }
}

.card {
  position: relative;
  width: min(95vw, 950px);
  padding: 2rem;
  border-radius: 24px;
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  z-index: 2;
}

.eyebrow {
  margin: 0;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.18rem;
  color: #ffb3d9;
  font-size: 0.74rem;
}

h1 {
  margin-top: 0.5rem;
  margin-bottom: 0.8rem;
  font-size: clamp(1.7rem, 3vw, 2.7rem);
  text-align: center;
  color: var(--accent);
}

.subtext {
  line-height: 1.7;
  text-align: center;
  font-size: 1.08rem;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1rem;
  margin: 1.2rem 0 1.6rem;
}

.photo-card {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.photo-card img {
  width: 100%;
  height: 180px;
  display: block;
  object-fit: cover;
}

.photo-card figcaption {
  text-align: center;
  padding: 0.6rem;
  font-weight: 600;
}

.actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0.8rem;
  margin: 1.5rem 0;
}

button {
  border: none;
  border-radius: 999px;
  background: var(--button);
  color: white;
  font-size: 0.96rem;
  font-weight: 600;
  padding: 0.85rem 1rem;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

button:hover {
  transform: translateY(-2px) scale(1.02);
  background: var(--button-hover);
}

button:disabled {
  opacity: 0.75;
  cursor: default;
  transform: none;
}

.panel {
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 16px;
  padding: 1rem 1.1rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

#wishBox {
  text-align: center;
  font-size: 1.05rem;
  color: #fffce8;
}

.hidden { display: none; }

ul {
  margin: 0;
  padding-left: 1.2rem;
}

.signature {
  margin-top: 1.4rem;
  text-align: center;
  font-size: 1.1rem;
}

.heart,
.confetti {
  position: fixed;
  pointer-events: none;
  z-index: 5;
}

.heart {
  font-size: 1.4rem;
  animation: floatUp 2.7s linear forwards;
}

.confetti {
  width: 10px;
  height: 14px;
  border-radius: 2px;
  animation: confettiFall 2.4s linear forwards;
}

@keyframes floatUp {
  0% { transform: translateY(0) scale(0.8); opacity: 0; }
  10% { opacity: 1; }
  100% { transform: translateY(-120px) scale(1.5); opacity: 0; }
}

@keyframes confettiFall {
  0% { transform: translateY(-15vh) rotate(0deg); opacity: 1; }
  100% { transform: translateY(110vh) rotate(560deg); opacity: 0; }
}

@media (max-width: 640px) {
  .card { padding: 1.2rem; }
  .photo-card img { height: 160px; }
}