body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(to right, #f0f8ff, #e6ffe6);
  margin: 0;
  padding: 0;
  color: #333;
}

header, footer {
  text-align: center;
  padding: 1em;
  background-color: #004d4d;
  color: white;
}

section {
  margin: 2em;
  padding: 1em;
  background-color: #ffffffcc;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.card {
  background-color: #ffe6e6;
  padding: 1em;
  margin: 1em 0;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.card:hover {
  transform: scale(1.05);
  background-color: #ffcccc;
}

input, button {
  padding: 0.5em;
  margin: 0.5em;
  border-radius: 5px;
  border: 1px solid #ccc;
}

button {
  background-color: #004d4d;
  color: white;
  cursor: pointer;
}

button:hover {
  background-color: #006666;
}

.symbol-grid {
  display: flex;
  gap: 1em;
  justify-content: center;
  font-size: 2em;
}

.symbol {
  cursor: pointer;
  transition: transform 0.2s;
}

.symbol:hover {
  transform: scale(1.2);
}

#dispatch-overlay {
  background-color: #fff0f0;
  border-left: 5px solid #cc0000;
}

#dispatchEcho {
  margin-top: 1em;
  font-weight: bold;
  color: #cc0000;
}

iframe {
  border-radius: 10px;
  box-shadow: 0 0 8px rgba(0,0,0,0.2);
}