:root {
  --bg: #1a1423;
  --bg2: #2d1f3d;
  --card: #2a2235;
  --text: #f4eef8;
  --muted: #a898b8;
  --accent: #ff6b4a;
  --accent-glow: rgba(255, 107, 74, 0.45);
  --hand: #ffd9c4;
  --hand-shadow: #c9a08e;
  --ring: #ff6b4a;
  font-family: "Outfit", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100dvh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  color: var(--text);
  background: radial-gradient(ellipse 120% 80% at 50% -20%, var(--bg2), var(--bg));
  overflow-x: hidden;
}

.bg-pattern {
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle at 20% 30%, rgba(255, 107, 74, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 80% 70%, rgba(160, 120, 255, 0.06) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
}

.stage {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
}

.intro {
  text-align: center;
}

.eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 8vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.slap-stats {
  margin: 0.85rem 0 0;
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 600;
}

.slap-stats strong {
  color: var(--accent);
  font-weight: 800;
}

.sub {
  margin: 0.6rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.45;
  max-width: 28ch;
  margin-left: auto;
  margin-right: auto;
}

.sub code {
  font-size: 0.85em;
  padding: 0.15em 0.4em;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--accent);
}

.card {
  width: 100%;
  padding: 1.75rem 1.5rem 1.5rem;
  border-radius: 24px;
  background: var(--card);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35),0 0 0 1px rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  transition: transform 0.08s ease-out;
}

.card.shake {
  animation: card-shake 0.35s ease-in-out;
}

@keyframes card-shake {
  0%,
  100% {
    transform: translateX(0) rotate(0);
  }
  20% {
    transform: translateX(-8px) rotate(-2deg);
  }
  40% {
    transform: translateX(10px) rotate(2deg);
  }
  60% {
    transform: translateX(-6px) rotate(-1deg);
  }
  80% {
    transform: translateX(4px) rotate(1deg);
  }
}

.photo-ring {
  position: relative;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  padding: 5px;
  background: linear-gradient(135deg, var(--ring), #a855f7 50%, var(--accent));
  box-shadow: 0 0 32px var(--accent-glow);
}

.photo-ring img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  background: var(--bg);
  transition: opacity 0.2s ease;
}

.photo-ring__video {
  position: absolute;
  inset: 5px;
  width: calc(100% - 10px);
  height: calc(100% - 10px);
  border-radius: 50%;
  object-fit: cover;
  opacity: 0;
  pointer-events: none;
  z-index: 1;
  background: var(--bg);
  transition: opacity 0.2s ease;
}

.photo-ring--video-poster .photo-ring__video {
  opacity: 1;
}

.photo-ring--video-poster img {
  opacity: 0;
}

.photo-ring.is-playing-video .photo-ring__video {
  opacity: 1;
}

.photo-ring.is-playing-video img {
  opacity: 0;
}

.photo-ring.is-playing-video .photo-fallback.is-visible {
  opacity: 0;
  visibility: hidden;
}

.photo-fallback {
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #3d3250, #2a2235);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.photo-fallback.is-visible {
  display: flex;
}

.slap-btn {
  appearance: none;
  border: none;
  cursor: pointer;
  width: 100%;
  max-width: 280px;
  padding: 1rem 1.5rem;
  border-radius: 999px;
  font-family: inherit;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #1a0f14;
  background: linear-gradient(180deg, #ff8f78 0%, var(--accent) 45%, #e84d32 100%);
  box-shadow: 0 8px 0 #b83828, 0 12px 28px var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.slap-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 0 #b83828, 0 16px 32px var(--accent-glow);
}

.slap-btn:active {
  transform: translateY(4px);
  box-shadow: 0 4px 0 #b83828, 0 8px 20px var(--accent-glow);
}

.slap-btn:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}

.slap-btn__face {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: center / cover no-repeat;
  background-image: url("../friend.jpg"), linear-gradient(135deg, #ffd9c4, #e8b4a0);
  border: 2px solid rgba(0, 0, 0, 0.15);
  flex-shrink: 0;
}

.slap-btn__label {
  line-height: 1;
}

.hint {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
  max-width: 26ch;
}

/* Slap overlay */
.slap-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slap-hand {
  position: absolute;
  right: -30%;
  top: 38%;
  filter: drop-shadow(8px 12px 16px rgba(0, 0, 0, 0.45));
  opacity: 0;
  transform: rotate(-25deg) scale(0.85);
}

.slap-hand__palm,
.slap-hand__thumb,
.slap-hand__finger {
  fill: var(--hand);
}

.slap-layer.is-active .slap-hand {
  animation: slap-swing 0.55s cubic-bezier(0.34, 1.2, 0.64, 1) forwards;
}

@keyframes slap-swing {
  0% {
    opacity: 0;
    right: -35%;
    transform: rotate(-35deg) scale(0.7);
  }
  15% {
    opacity: 1;
  }
  45% {
    right: 42%;
    transform: rotate(8deg) scale(1.05);
  }
  55% {
    right: 38%;
    transform: rotate(-2deg) scale(1);
  }
  100% {
    opacity: 0;
    right: 28%;
    transform: rotate(5deg) scale(0.95);
  }
}

.slap-burst {
  position: absolute;
  left: 50%;
  top: 42%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  pointer-events: none;
  background: radial-gradient(circle, #fff 0%, var(--accent) 40%, transparent 70%);
  opacity: 0;
}

.slap-layer.is-active .slap-burst {
  animation: burst 0.4s ease-out 0.22s forwards;
}

@keyframes burst {
  0% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(0.2);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(14);
  }
}

.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  z-index: 60;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  background: rgba(42, 34, 53, 0.95);
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.34, 1.3, 0.64, 1), opacity 0.25s ease;
}

.toast.is-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

@media (max-height: 480px) {
  body {
    justify-content: flex-start;
    padding-top: 0.75rem;
    padding-bottom: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .card.shake,
  .slap-hand,
  .slap-burst,
  .slap-btn {
    animation: none !important;
    transition: none;
  }

  .slap-layer.is-active .slap-hand {
    opacity: 0.9;
    right: 35%;
    transform: rotate(0) scale(1);
  }
}