/* --- GÉNÉRAL --- */
body {
  font-family: Arial, sans-serif;
  background: #fffc00; /* Jaune Snapchat */
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  padding: 20px;
  box-sizing: border-box;
}

/* --- LE CONTENEUR PRINCIPAL --- */
.snap-theme {
  background: white;
  padding: 30px 35px;
  border-radius: 18px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
  text-align: center;
  width: 100%;
  max-width: 360px;
}

.logo {
  width: 80px;
  margin-bottom: 10px;
}

h1 {
  margin: 5px 0;
  font-size: 22px;
  color: #000;
}

p {
  margin: 5px 0 15px;
  color: #555;
  font-size: 14px;
}

.info {
  font-size: 14px;
  color: #444;
  margin-bottom: 15px;
  line-height: 1.4em;
}

/* --- FORMULAIRE & INPUTS --- */
input[type="text"] {
  width: 100%;
  padding: 12px;
  margin: 6px 0;
  border-radius: 8px;
  border: 1px solid #ddd;
  font-size: 15px;
  box-sizing: border-box;
  background-color: #f6f6f6;
}

input[type="text"]:focus {
  outline: none;
  border-color: #000;
}

/* --- CASE À COCHER (CHECKBOX) --- */
.checkbox-container {
  display: flex;
  align-items: center;
  text-align: left;
  margin: 18px 0;
  gap: 12px;
  background: #f9f9f9;
  padding: 10px;
  border-radius: 8px;
}

.checkbox-container input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: #000; /* Couleur de la coche */
}

.checkbox-container label {
  font-size: 12.5px;
  color: #333;
  line-height: 1.3;
  cursor: pointer;
  user-select: none;
}

/* --- BOUTON --- */
button {
  width: 100%;
  padding: 14px;
  margin-top: 10px;
  border: none;
  border-radius: 25px; /* Plus arrondi pour le style mobile moderne */
  background: #000;
  color: #fff;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: transform 0.1s ease;
}

button:hover {
  background: #222;
}

button:active {
  transform: scale(0.98);
}

/* --- MESSAGES D'ÉTAT --- */
#message {
  margin-top: 15px;
  font-weight: bold;
  font-size: 14px;
  min-height: 1.2em;
}

/* --- RESPONSIVE : MOBILE --- */
@media (max-width: 480px) {
  .snap-theme {
    padding: 25px 20px;
    border-radius: 14px;
  }

  .logo {
    width: 70px;
  }

  h1 {
    font-size: 20px;
  }

  input[type="text"], button {
    font-size: 14px;
    padding: 11px;
  }
  
  .checkbox-container label {
    font-size: 11px;
  }
}

/* --- RESPONSIVE : TABLETTES --- */
@media (min-width: 481px) and (max-width: 900px) {
  .snap-theme {
    max-width: 400px;
    padding: 35px 30px;
  }

  .logo {
    width: 90px;
  }

  h1 {
    font-size: 24px;
  }
}