@keyframes clignote {
  0% { opacity: 1; }
  50% { opacity: 0; }
  100% { opacity: 1; }
}

.clignote {
  color: red;
  animation: clignote 1s infinite;
  font-weight: bold;
  text-align: center;
  margin-top: 15px;
}

html, body {
  margin: 0;
  padding: 0 12px;
  background: #ffffff;
  font-family: Arial, sans-serif;
}

h1 {
  text-align: center;
  font-size: 1.5em;
  margin: 20px 0;
}

#calculateur-vtc {
  width: 100%;
  max-width: 480px;
  padding: 20px;
  margin: auto;
  background: transparent;
  box-sizing: border-box;
}

label {
  display: block;
  margin-top: 12px;
  font-weight: bold;
}

input, button, select {
  display: block;
  width: 100%;
  padding: 12px;
  margin-top: 6px;
  font-size: 1em;
  box-sizing: border-box;
  border-radius: 6px;
  border: 1px solid #ccc;
}

button {
  background-color: #0073aa;
  color: white;
  font-weight: bold;
  border: none;
  margin-top: 20px;
  cursor: pointer;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #005f8d;
}

#vehicule img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-top: 15px;
}

.tarif-estime {
  font-size: 1.5em;
  color: #333;
  text-align: center;
  margin-top: 20px;
}