/* === Style général === */
body {
  margin: 0;
  padding: 0;
  background-color: #e0e0e0;
  font-family: Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* === Header === */
header {
  background-color: #2c3e50;
  color: white;
  padding: 20px;
  text-align: center;
}

/* === Footer === */
footer {
  background-color: #2c3e50;
  color: white;
  padding: 10px;
  text-align: center;
}

/* === Contenu principal === */
main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
  padding: 20px;
  box-sizing: border-box;
}

/* === Cadres principaux === */
#action, #demo3 {
  width: 90%;
  max-width: 800px;
  background-color: #ffffff;
  border-radius: 20px;
  padding: 25px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  text-align: center;
}

/* === Cadre Connexion === */
.connexion {
  width: 94%;
  background-color: #d0e6ff;
  border-radius: 15px;
  padding: 25px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

/* === Sous-cadres login et register === */
.bloc-login, .bloc-register {
  width: 75%;
  background-color: #ffffff;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* === Formulaires === */
form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

form label {
  font-weight: bold;
  text-align: left;
}

form input {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 16px;
}

form button {
  padding: 10px;
  font-size: 16px;
  border: none;
  border-radius: 8px;
  background-color: #2c3e50;
  color: white;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

form button:hover {
  background-color: #1a252f;
}

/* === Responsive mobile === */
@media (max-width: 600px) {
  .bloc-login, .bloc-register {
    width: 100%;
  }

  #action, #demo3 {
    padding: 15px;
  }

  form input, form button {
    font-size: 14px;
  }
}