:root {
  --bg: #050505;
  --card-radius: 28px;
  --shadow: 0 26px 80px rgba(0, 0, 0, 0.55);
  --pass: #ff4d57;
  --like: #57d47d;
  --panel: rgba(12, 12, 12, 0.92);
  --text: #f5f5f5;
  --muted: rgba(245, 245, 245, 0.74);
}

* {
  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: var(--bg);
}

.landing {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at top left, rgba(87, 212, 125, 0.12), transparent 26%),
    radial-gradient(circle at bottom right, rgba(255, 77, 87, 0.12), transparent 24%),
    var(--bg);
}

.landing-panel {
  width: min(720px, 100%);
  padding: 32px;
  border-radius: 30px;
  background: rgba(14, 14, 14, 0.92);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--like);
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.landing-title {
  margin: 0;
  color: var(--text);
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  line-height: 0.98;
  max-width: 12ch;
}

.landing-copy {
  margin: 18px 0 0;
  max-width: 58ch;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.55;
}

.landing-points {
  margin-top: 22px;
  display: grid;
  gap: 10px;
}

.landing-points p {
  margin: 0;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-weight: 600;
}

.launch-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 24px;
  min-width: 180px;
  min-height: 60px;
  padding: 0 22px;
  border-radius: 18px;
  background: var(--like);
  color: #081109;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.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))
    calc(92px + 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);
}

.controls {
  position: absolute;
  left: max(10px, env(safe-area-inset-left));
  right: max(10px, env(safe-area-inset-right));
  bottom: max(10px, env(safe-area-inset-bottom));
  z-index: 5;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.action-button {
  min-height: 64px;
  border: 0;
  border-radius: 18px;
  background: var(--panel);
  color: var(--text);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  cursor: pointer;
}

.action-button-pass {
  box-shadow: inset 0 0 0 2px rgba(255, 77, 87, 0.6);
}

.action-button-like {
  box-shadow: inset 0 0 0 2px rgba(87, 212, 125, 0.6);
}

.action-button:active {
  transform: translateY(1px);
}

@media (max-width: 720px) {
  .landing {
    padding: 12px;
  }

  .landing-panel {
    padding: 22px;
    border-radius: 22px;
  }

  .landing-copy {
    font-size: 1rem;
  }

  .card {
    inset: max(6px, env(safe-area-inset-top)) max(6px, env(safe-area-inset-right))
      calc(82px + 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;
  }

  .controls {
    left: max(6px, env(safe-area-inset-left));
    right: max(6px, env(safe-area-inset-right));
    bottom: max(6px, env(safe-area-inset-bottom));
    gap: 8px;
  }

  .action-button {
    min-height: 56px;
    border-radius: 16px;
  }
}