/* Modern Styles & Custom Animations for Official Prize Portal */
:root {
  --primary-gold: #f59e0b;
  --primary-gold-dark: #d97706;
  --primary-gold-light: #fef3c7;
  --accent-purple: #4f46e5;
  --bg-dark: #0f172a;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Glassmorphism effects */
.glass-panel {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.6);
}

.glass-panel-dark {
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Golden Winner Card Glow */
.winner-card {
  position: relative;
  background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 40%, #ffffff 100%);
  border: 2px solid #f59e0b;
  box-shadow: 0 20px 35px -5px rgba(245, 158, 11, 0.3), 0 10px 10px -5px rgba(245, 158, 11, 0.15);
  animation: pulse-glow 2.5s infinite alternate;
}

@keyframes pulse-glow {
  0% {
    box-shadow: 0 10px 25px -5px rgba(245, 158, 11, 0.25), 0 0 15px rgba(251, 191, 36, 0.3);
  }
  100% {
    box-shadow: 0 25px 40px -5px rgba(245, 158, 11, 0.45), 0 0 30px rgba(251, 191, 36, 0.6);
  }
}

/* Badge Sheen Effect */
.sheen {
  position: relative;
  overflow: hidden;
}
.sheen::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    60deg,
    rgba(255, 255, 255, 0) 20%,
    rgba(255, 255, 255, 0.4) 50%,
    rgba(255, 255, 255, 0) 80%
  );
  transform: rotate(30deg);
  animation: sheen 3s infinite;
}

@keyframes sheen {
  0% { transform: translate(-100%, -100%) rotate(30deg); }
  100% { transform: translate(100%, 100%) rotate(30deg); }
}

/* Ribbon badge */
.ribbon-badge {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
  text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

/* Print Styles for Certificate */
@media print {
  body * {
    visibility: hidden;
  }
  #winnerCertificate, #winnerCertificate * {
    visibility: visible;
  }
  #winnerCertificate {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
  }
}