:root {
  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  font-weight: 400;
  color-scheme: light dark;
  color: rgba(255, 255, 255, 0.87);
  background-color: #242424;

  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  display: flex;
  place-items: center;
  min-width: 320px;
  min-height: 100vh;
}

#root {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem;
  text-align: center;
}

.app-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

h1 {
  font-size: 2.5em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

button {
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0.6em 1.2em;
  font-size: 1em;
  font-weight: 500;
  font-family: inherit;
  background-color: #1a1a1a;
  cursor: pointer;
  transition: border-color 0.25s;
}
button:hover {
  border-color: #646cff;
}
button:focus,
button:focus-visible {
  outline: 4px auto -webkit-focus-ring-color;
}
button:disabled {
  background-color: #333;
  cursor: not-allowed;
  opacity: 0.6;
}

.initial-view, .waiting-view, .success-view, .failed-view {
  padding: 1.5rem;
  border: 1px solid #555;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  min-width: 300px;
}

.waiting-view img {
  background-color: white; /* Ensure QR code background is white */
  padding: 10px;
  border-radius: 4px;
}

.address {
  font-family: monospace;
  background-color: #333;
  padding: 0.5em;
  border-radius: 4px;
  word-break: break-all;
}

.error-message {
  color: #ff6b6b;
  font-weight: bold;
}


@media (prefers-color-scheme: light) {
  :root {
    color: #213547;
    background-color: #ffffff;
  }
  button {
    background-color: #f9f9f9;
  }
  .app-container {
    /* Add light mode adjustments if needed */
  }
  .initial-view, .waiting-view, .success-view, .failed-view {
    border-color: #ccc;
  }
  .address {
     background-color: #eee;
  }
}