body.checkin-bg {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
}
.checkin-card {
  max-width: 460px;
  border-radius: 16px;
  border: none;
}
.seat-box {
  background: #f0f4ff;
  border: 1px dashed #667eea;
}
.stat-card {
  border-left: 4px solid #dee2e6;
}
.stat-card.border-success { border-left-color: #198754; }
.stat-card.border-warning { border-left-color: #ffc107; }
.stat-card.border-primary { border-left-color: #0d6efd; }

/* ===== Animasi Undian Doorprize ===== */
.spin-box {
  background: linear-gradient(135deg, #1e1b4b, #4c1d95);
  color: #fff;
  border-radius: 14px;
  padding: 28px 16px;
  text-align: center;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.spin-name {
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: .5px;
}
.spin-box.spinning .spin-name {
  animation: spinPulse .12s linear infinite;
}
.spin-box.landed {
  background: linear-gradient(135deg, #059669, #10b981);
  animation: landedGlow .6s ease;
}
@keyframes spinPulse {
  0%   { transform: scale(1) translateY(0); opacity: 1; }
  50%  { transform: scale(1.04) translateY(-2px); opacity: .85; }
  100% { transform: scale(1) translateY(0); opacity: 1; }
}
@keyframes landedGlow {
  0%   { transform: scale(0.9); box-shadow: 0 0 0 rgba(16,185,129,0); }
  50%  { transform: scale(1.06); box-shadow: 0 0 30px rgba(16,185,129,.7); }
  100% { transform: scale(1); box-shadow: 0 0 0 rgba(16,185,129,0); }
}

#confettiLayer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 2000;
}
.confetti-piece {
  position: absolute;
  top: -20px;
  font-size: 1.4rem;
  animation: confettiFall linear forwards;
}
@keyframes confettiFall {
  0%   { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(105vh) rotate(360deg); opacity: .9; }
}