/* === Heart container === */
.heart-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  width: clamp(240px, 38vw, 320px);
  height: clamp(240px, 38vw, 320px);
  margin-left: auto;
  margin-right: auto;
}

/* === Glowing aura — synced with heartbeat === */
.heart-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 160%;
  height: 160%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(255, 50, 90, 0.45) 0%,
    rgba(255, 50, 90, 0.15) 35%,
    rgba(200, 40, 80, 0.05) 55%,
    transparent 70%
  );
  animation: glowPulse 1.6s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes glowPulse {
  0%   { transform: translate(-50%, -50%) scale(1);    opacity: 0.4; }
  14%  { transform: translate(-50%, -50%) scale(1.25);  opacity: 1; }
  24%  { transform: translate(-50%, -50%) scale(1.05);  opacity: 0.6; }
  34%  { transform: translate(-50%, -50%) scale(1.18);  opacity: 0.9; }
  44%  { transform: translate(-50%, -50%) scale(1);    opacity: 0.4; }
  100% { transform: translate(-50%, -50%) scale(1);    opacity: 0.4; }
}

/* === Heart-shaped ripple rings === */
.heart-ripple {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  transform: translate(-50%, -50%) scale(1);
  opacity: 0;
  pointer-events: none;
  z-index: 0;
  animation: rippleExpand 1.6s ease-out infinite;
  overflow: visible;
}

.ripple-2 {
  animation-delay: 0.2s;
}

.ripple-3 {
  animation-delay: 0.4s;
}

@keyframes rippleExpand {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.7;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.7);
    opacity: 0.2;
  }
  100% {
    transform: translate(-50%, -50%) scale(2.3);
    opacity: 0;
  }
}

/* === Floating sparkles container === */
.heart-sparkles {
  position: absolute;
  inset: -50%;
  pointer-events: none;
  z-index: 3;
}

.sparkle {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 6px 2px rgba(255, 150, 200, 0.8), 0 0 12px 4px rgba(255, 100, 150, 0.4);
  opacity: 0;
  animation: sparkleFloat var(--sparkle-duration, 3s) ease-in-out var(--sparkle-delay, 0s) infinite;
}

@keyframes sparkleFloat {
  0% {
    opacity: 0;
    transform: translate(0, 0) scale(0);
  }
  20% {
    opacity: 1;
    transform: translate(var(--sx, 10px), var(--sy, -10px)) scale(1);
  }
  80% {
    opacity: 0.6;
    transform: translate(var(--ex, 30px), var(--ey, -60px)) scale(0.8);
  }
  100% {
    opacity: 0;
    transform: translate(var(--ex, 30px), calc(var(--ey, -60px) - 20px)) scale(0);
  }
}

/* === Heart wrapper — sizing + beat animation === */
.heart {
  position: relative;
  width: 100%;
  height: 100%;
  animation: heartBeat 1.6s ease-in-out infinite;
  z-index: 1;
}

/* === Pink/red border layer behind the photo === */
.heart-border {
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, #ff6b8a, #e63956, #c9184a);
  clip-path: url(#heartClip);
  -webkit-clip-path: url(#heartClip);
  z-index: 1;
  /* Shimmer on the border */
  box-shadow: inset 0 0 20px rgba(255, 255, 255, 0.1);
}

/* === Photo clipped to heart, inset to show border === */
.heart-photo {
  position: absolute;
  top: 6px;
  left: 6px;
  right: 6px;
  bottom: 6px;
  clip-path: url(#heartClip);
  -webkit-clip-path: url(#heartClip);
  z-index: 2;
  overflow: hidden;
}

.heart-photo img,
.heart-photo video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* === Double-beat animation (lub-dub) with shadow flash === */
@keyframes heartBeat {
  0%   { transform: scale(1);    filter: drop-shadow(0 0 0px transparent); }
  14%  { transform: scale(1.12);  filter: drop-shadow(0 0 25px rgba(255, 60, 100, 0.7)); }
  24%  { transform: scale(1);    filter: drop-shadow(0 0 5px rgba(255, 60, 100, 0.2)); }
  34%  { transform: scale(1.08);  filter: drop-shadow(0 0 18px rgba(255, 60, 100, 0.5)); }
  44%  { transform: scale(1);    filter: drop-shadow(0 0 0px transparent); }
  100% { transform: scale(1);    filter: drop-shadow(0 0 0px transparent); }
}

/* === Responsive === */
@media (max-width: 480px) {
  .heart-container {
    width: 220px;
    height: 220px;
  }
}