@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --primary-color: #6366f1;
  --secondary-color: #8b5cf6;
  --background-dark: #111827;
  --card-bg: #1f2937;
  --border-color: #374151;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background: linear-gradient(135deg, var(--background-dark) 0%, #0f172a 100%);
  color: #f9fafb;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
}

/* Button animations */
button {
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

button::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  background: rgba(255, 255, 255, 0.5);
  opacity: 0;
  border-radius: 100%;
  transform: scale(1, 1) translate(-50%);
  transform-origin: 50% 50%;
}

button:focus:not(:active)::after {
  animation: ripple 1s ease-out;
}

@keyframes ripple {
  0% {
    transform: scale(0, 0);
    opacity: 0.5;
  }
  100% {
    transform: scale(50, 50);
    opacity: 0;
  }
}

/* Transaction item styling */
.transaction-item {
  background: rgba(31, 41, 55, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.transaction-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.25);
  border-color: var(--primary-color);
}

.tx-hash {
  font-size: 0.8rem;
  letter-spacing: 0.5px;
}

.status-badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
}

/* Pulse animation for connection indicator */
.pulse {
  animation: pulse-animation 2s infinite;
}

@keyframes pulse-animation {
  0% {
    box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(99, 102, 241, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(99, 102, 241, 0);
  }
}

/* Glowing effect for buttons */
.glow-button {
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.3);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .grid-cols-3 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }
  
  header {
    flex-direction: column;
    gap: 1rem;
  }
  
  .transaction-item {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .tx-details {
    width: 100%;
  }
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--background-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}

/* Input focus effects */
input:focus, select:focus {
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}
/* Animated background elements */
.bg-elements {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.bg-element {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
}

.bg-element:nth-child(1) {
  width: 300px;
  height: 300px;
  top: 10%;
  left: 5%;
}

.bg-element:nth-child(2) {
  width: 200px;
  height: 200px;
  bottom: 15%;
  right: 10%;
}

.bg-element:nth-child(3) {
  width: 150px;
  height: 150px;
  top: 40%;
  right: 20%;
}

/* Password visibility toggle */
#toggle-key-visibility {
  cursor: pointer;
}

/* Result container */
#result-container {
  transition: all 0.3s ease;
}