:root {
  --bg: #050505;
  --card-radius: 28px;
  --shadow: 0 26px 80px rgba(0, 0, 0, 0.55);
  --overlay: rgba(255, 255, 255, 0.95);
  --pass: #ff4d57;
  --like: #57d47d;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  margin: 0;
  width: 100%;
  min-height: 100%;
  overflow: hidden;
  background: var(--bg);
  font-family: system-ui, sans-serif;
}

button {
  font: inherit;
}

.app {
  position: relative;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 16%, rgba(255, 77, 87, 0.14), transparent 22%),
    radial-gradient(circle at 88% 16%, rgba(87, 212, 125, 0.14), transparent 22%),
    #050505;
}

.deck {
  position: relative;
  width: 100%;
  height: 100%;
}

.card {
  position: absolute;
  inset: max(10px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right))
    max(10px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #111;
  touch-action: none;
  user-select: none;
  transform-origin: center center;
}

.card.is-back {
  display: none;
}

.card.is-third {
  display: none;
}

.card.is-dragging {
  transition: none;
  cursor: grabbing;
}

.card.is-animating {
  transition: transform 260ms ease, opacity 260ms ease;
}

.card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: #050505;
}

.stamp {
  position: absolute;
  top: 22px;
  z-index: 2;
  padding: 10px 14px;
  border: 4px solid currentColor;
  border-radius: 14px;
  font-size: clamp(1rem, 2vw, 1.5rem);
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0;
  background: rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(3px);
}

.stamp-left {
  left: 22px;
  color: var(--pass);
  transform: rotate(-14deg);
}

.stamp-right {
  right: 22px;
  color: var(--like);
  transform: rotate(14deg);
}

.edge-hit {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 18vw;
  min-width: 72px;
  z-index: 4;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.edge-left {
  left: 0;
}

.edge-right {
  right: 0;
}

@media (max-width: 720px) {
  .card {
    inset: max(6px, env(safe-area-inset-top)) max(6px, env(safe-area-inset-right))
      max(6px, env(safe-area-inset-bottom)) max(6px, env(safe-area-inset-left));
    border-radius: 20px;
  }

  .stamp {
    top: 16px;
    padding: 8px 10px;
    border-width: 3px;
  }

  .stamp-left {
    left: 16px;
  }

  .stamp-right {
    right: 16px;
  }
}