/* Custom CSS for signal animation and other styles */
@keyframes signal-pulse {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

.signal-animation {
  position: relative;
  height: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.signal-wave {
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: rgba(79, 70, 229, 0.3);
  animation: signal-pulse 2s infinite;
}

.signal-wave:nth-child(2) {
  animation-delay: 0.6s;
}

.signal-wave:nth-child(3) {
  animation-delay: 1.2s;
}

/* For Firefox */
input[type=number] {
  -moz-appearance: textfield;
}

/* For Chrome, Safari, Edge, Opera */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Focus styles for inputs */
input[type="number"]:focus, 
input[type="text"]:focus {
  outline: none;
  ring: 2px;
  ring-color: rgb(59 130 246);
  border-color: transparent;
}

/* Smooth transitions for all interactive elements */
button, input {
  transition: all 0.2s ease-in-out;
}

/* Custom scrollbar for saved links */
.max-h-60::-webkit-scrollbar {
  width: 6px;
}

.max-h-60::-webkit-scrollbar-track {
  background: #f1f5f9;
  border-radius: 3px;
}

.max-h-60::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 3px;
}

.max-h-60::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}