.instructions {
  margin-top: 30px;
  text-align: center;
}

.instructions .title {
  font-size: 1.4rem;
  font-weight: bold;
  color: #2d3436;
  margin: 0;
}

.instructions .subtitle {
  font-size: 1rem;
  color: #636e72;
  margin: 20px 0 -4px;
  font-style: italic;
}

/* Soft gradient background */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 50%, #ffffff 100%);
  background-size: 200% 200%;
  animation: subtleShift 12s ease infinite;
}

@keyframes subtleShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Clean navbar */
nav {
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 18px 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
  text-align: center;
  position: sticky;
  top: 0;
  border-bottom: 1px solid rgba(116, 185, 255, 0.1);
}

nav h2 {
  margin: 0;
  font-size: 1.6rem;
  color: #2d3436;
  font-weight: 600;
}

/* Enhanced card with subtle blue accent */
.card {
  margin-top: 40px;
  width: 300px;
  height: 300px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(116, 185, 255, 0.15);
  background: #fff;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  will-change: transform;
  position: relative;
  border: 2px solid rgba(116, 185, 255, 0.2);
  touch-action: none;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(116, 185, 255, 0.03) 0%, rgba(255,255,255,0) 100%);
  pointer-events: none;
  z-index: 1;
}

.card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Swipe indicators with soft colors */
.swipe-like {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(1);
  font-size: 1.8rem;
  font-weight: bold;
  color: #fff;
  background: linear-gradient(45deg, #74b9ff, #0984e3);
  padding: 12px 24px;
  border-radius: 30px;
  opacity: 0;
  transition: all 0.2s ease;
  z-index: 10;
  box-shadow: 0 6px 20px rgba(116, 185, 255, 0.4);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.swipe-dislike {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(1);
  font-size: 1.8rem;
  font-weight: bold;
  color: #fff;
  background: linear-gradient(45deg, #a29bfe, #6c5ce7);
  padding: 12px 24px;
  border-radius: 30px;
  opacity: 0;
  transition: all 0.2s ease;
  z-index: 10;
  box-shadow: 0 6px 20px rgba(162, 155, 254, 0.4);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.progress-wrapper {
  margin-top: 20px;
  width: 300px;
  height: 16px;
  background: #e9ecef;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Soft blue progress bar */
.progress-bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #74b9ff 0%, #0984e3 100%);
  border-radius: 10px;
  transition: width 0.4s ease;
  box-shadow: 0 2px 8px rgba(116, 185, 255, 0.3);
}

.progress-text {
  margin-top: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #636e72;
}

.buttons {
  margin-top: 25px;
  display: flex;
  gap: 25px;
}

.button-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.button-label {
  margin-top: 6px;
  font-size: 0.9rem;
  color: #636e72;
  font-weight: 500;
}


.circle {
  width: 65px;
  height: 65px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
  font-weight: 500;
}

.circle:hover {
  transform: scale(1.1) translateY(-2px);
}

/* Soft teal like button */
.like {
  background: linear-gradient(45deg, #00b894, #00cec9);
  color: white;
  box-shadow: 0 6px 20px rgba(0, 184, 148, 0.3);
}

.like:hover {
  box-shadow: 0 8px 25px rgba(0, 184, 148, 0.4);
}

/* Soft coral dislike button */
.dislike {
  background: linear-gradient(45deg, #fd79a8, #e84393);
  color: white;
  box-shadow: 0 6px 20px rgba(253, 121, 168, 0.3);
}

.dislike:hover {
  box-shadow: 0 8px 25px rgba(253, 121, 168, 0.4);
}

.card .emoji {
  position: absolute;       /* position relative to the card */
  top: 50%;                 /* vertical center */
  left: 50%;                /* horizontal center */
  transform: translate(-50%, -50%) scale(0.5); /* center and scale down */
  font-size: 3rem;          /* size of emoji */
  opacity: 0;               /* hidden by default */
  pointer-events: none;     /* so it doesn't block swipes */
  transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  z-index: 10;              /* on top of image */
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.card .emoji.show {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1.3); /* pop effect */
}

.card .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4); /* semi-transparent black */
  opacity: 0;                    /* hidden by default */
  transition: opacity 0.3s ease;
  z-index: 5;                     /* below emoji but above image */
  border-radius: 20px;            /* match card rounding */
}

.card .overlay.show {
  opacity: 1;                     /* appear when emoji shows */
}


.summary {
  margin-top: 10px;
  text-align: center;
  max-width: 420px;
  padding: 20px;
}

.summary h3 {
  margin-bottom: 15px;
  color: #2d3436;
  font-size: 1.5rem;
}

.summary p {
  color: #636e72;
  margin-bottom: 20px;
}

.summary h4 {
  color: #2d3436;
  margin: 20px 0 15px 0;
}

.summary .liked-cats {
  display: grid;
  grid-template-columns: repeat(auto-fill, 100px);
  gap: 12px;
  justify-content: center;
  margin-top: 15px;
}

.summary .liked-cats img {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border: 2px solid rgba(116, 185, 255, 0.1);
  transition: transform 0.2s ease;
}

.summary .liked-cats img:hover {
  transform: scale(1.05);
}

#chooseAgainBtn {
  display: block;
  margin: 20px auto 0 auto; /* center horizontally with margin on top */
  padding: 12px 30px;
  font-size: 1rem;
  font-weight: 600;
  background: linear-gradient(45deg, #00b894, #00cec9);
  color: white;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(0, 184, 148, 0.3);
  transition: all 0.3s ease;
}

#chooseAgainBtn:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 25px rgba(0, 184, 148, 0.4);
}

.dislike-text {
  color: #fd79a8; /* pink/coral */
  font-weight: bold;
}

.like-text {
  color: #00b894; /* teal */
  font-weight: bold;
}