@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600&display=swap');

* { box-sizing: border-box; }

body {
    font-family: 'Open Sans', sans-serif;
    background-color: #f3f4f6;
    color: #212e64;
    margin: 0; padding: 0;
}

.container {
    max-width: 900px;
    margin: 40px auto;
    background-color: #ffffff;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    padding: 30px;
    text-align: center;
}


.logo {
    max-width: 100%; max-height: 120px;
    margin-bottom: 20px;
}

h1, h2 { margin-bottom: 20px; }

form { text-align: left; margin-top: 20px; }

label { display: block; margin-bottom: 8px; font-weight: 600; }

input[type="text"],
input[type="number"],
textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #4ac2e2;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 1rem;
}

input[type="checkbox"] { margin-right: 10px; }

button,
.action-button {
    display: inline-block;
    background-color: #4ac2e2;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    width: 100%;
    margin-top: 10px;
    transition: background-color 0.3s;
    font-size: 1.5rem;
}

button:hover,
.action-button:hover {
    background-color: #212e64;
}

.message {
    margin-top: 10px;
    font-weight: 600;
    font-size: 1rem;
    color: #10b981;
}

@media (max-width: 600px) {
    .container { margin: 20px; padding: 20px; }
    h1 { font-size: 1.7rem; }
}

.banner {
  background-color: #def4fa;     /* bleu pâle */
 /* border: 1px solid #4ac2e2;      accent cyan */
  border-radius: 8px;            /* coins arrondis */
  padding: 12px;                 /* espace interne */
  margin: 16px 0;                /* écart haut/bas */
  color: #0c3b57;                /* texte légèrement sombre */
  font-style: italic;            /* style d’annonce */
}

/* === Forcer le mode clair quel que soit le thème système === */
:root {
  color-scheme: light;              /* indique que seules les couleurs claires sont supportées */
  supported-color-schemes: light;   /* idem pour certains navigateurs */
}