/* Custom styles for premium feel */
body {
  font-family: "Inter", sans-serif;
  font-weight: 400;
}

.font-display {
  font-family: "Space Grotesk", sans-serif;
}

.font-elite {
  font-family: "Crimson Text", serif;
}

/* Glass morphism effect */
.glass {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.glass-dark {
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Premium gradient backgrounds */
.bg-premium {
  background: linear-gradient(
    135deg,
    #0f0f23 0%,
    #1a1a3e 25%,
    #2d1b69 50%,
    #1a1a3e 75%,
    #0f0f23 100%
  );
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

/* Elite gradient */
.bg-elite {
  background: linear-gradient(
    135deg,
    #ffd700 0%,
    #ffed4e 25%,
    #ffc107 50%,
    #ff8f00 75%,
    #ff6f00 100%
  );
}

/* Premium button styles */
.btn-premium {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px 0 rgba(102, 126, 234, 0.4);
}

.btn-premium:hover {
  box-shadow: 0 6px 20px 0 rgba(102, 126, 234, 0.6);
}

.btn-elite {
  background: linear-gradient(
    135deg,
    #ffd700 0%,
    #ffed4e 25%,
    #ffc107 50%,
    #ff8f00 75%,
    #ff6f00 100%
  );
  color: #1a1a1a;
  font-weight: 600;
  font-family: "Crimson Text", serif;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 20px 0 rgba(255, 215, 0, 0.5);
  border: 1px solid rgba(255, 215, 0, 0.3);
}

.btn-elite:hover {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 8px 30px 0 rgba(255, 215, 0, 0.7);
  background: linear-gradient(
    135deg,
    #ffed4e 0%,
    #ffd700 25%,
    #ff8f00 50%,
    #ffc107 75%,
    #ff6f00 100%
  );
}

/* Premium input styling */
.input-premium {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.input-premium:focus {
  outline: none;
  border-color: rgba(102, 126, 234, 0.6);
  box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
  background: rgba(255, 255, 255, 0.15);
}

/* Elite card premium styling */
.elite-card {
  background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
  border: 2px solid #ffc107;
  box-shadow: 0 20px 40px rgba(255, 215, 0, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.elite-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* Toast improvements */
.toast {
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Expiry options premium styling */
.expiry-option {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.expiry-option:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.expiry-option.active {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-color: rgba(102, 126, 234, 0.5);
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

/* Copy feedback styling */
#copy-feedback {
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #10b981;
  font-weight: 500;
}

/* Premium spacing and typography */
.text-premium {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Subtle animations */
@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

.float-animation {
  animation: float 6s ease-in-out infinite;
}

/* Modal premium styling */
.modal-premium {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}