* { box-sizing: border-box; }
body {
    font-family: 'Noto Sans Tamil', system-ui, sans-serif;
    background: #f4f5f7;
    color: #222;
    margin: 0;
    padding: 16px;
}
.boite {
    max-width: 420px;
    margin: 60px auto;
    background: #fff;
    padding: 28px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}
.large { max-width: 900px; margin-top: 20px; }
h1 { font-size: 1.4rem; margin-top: 0; }
label { display: block; margin: 14px 0 6px; font-weight: bold; }
input[type=text], input[type=password] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
}
button {
    margin-top: 20px;
    padding: 10px 18px;
    border: none;
    border-radius: 6px;
    background: #1a5fb4;
    color: #fff;
    font-size: 1rem;
    cursor: pointer;
}
button:hover { background: #154d91; }
.erreur {
    background: #fde8e8;
    color: #9b1c1c;
    padding: 10px;
    border-radius: 6px;
}
.entete {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}
.entete button { margin-top: 0; background: #666; }