body {
    font-family: sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.screen {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    text-align: center;
}

.form-group {
    margin-bottom: 15px;
    text-align: left;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box; /* Important pour le padding */
}

button {
    width: 100%;
    padding: 10px;
    background-color: #0073aa;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    background-color: #005177;
}

.error {
    color: red;
    margin-top: 10px;
    font-size: 0.9em;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

#logout-btn {
    width: auto;
    background-color: #d63638;
    padding: 5px 10px;
    font-size: 14px;
}