body {
    font-family: Arial, sans-serif;
    background-color: #f0f4f8; /* blanc/bleu léger */
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.login-container {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    text-align: center;
    width: 320px;
}

.login-container h2 {
    color: #0055ff; /* bleue */
    margin-bottom: 25px;
    font-size: 24px;
}

.login-container input {
    width: 100%;
    padding: 12px;
    margin: 12px 0;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 16px;
}

.login-container button {
    width: 100%;
    padding: 12px;
    background-color: #ffd700; /* jaune */
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    font-size: 16px;
}

.login-container button:hover {
    background-color: #ffc700;
}

#errorMsg {
    color: red;
    margin-top: 12px;
    font-size: 14px;
}