.btn-outline {
    border: 1px solid rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

/* --- Contenuto Principale (Form) --- */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
    gap: 16px;
}

.alert-error {
    width: 100%;
    max-width: 420px;
    background: #fdecea;
    color: #b3261e;
    border: 1px solid #f5c2bc;
    border-radius: 6px;
    padding: 12px 16px;
    font-size: 0.9rem;
    text-align: center;
}

.login-card {
    background: #fdfdfd;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.05);
    width: 100%;
    max-width: 420px;
    border: 1px solid #eaeaea;
}

.login-card h2 {
    margin-bottom: 30px;
    text-align: center;
    color: #004a99;
    font-size: 1.6rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #555;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    background: white;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #004a99;
    box-shadow: 0 0 0 3px rgba(0, 74, 153, 0.1);
}

.btn-submit {
    width: 100%;
    padding: 13px;
    background-color: #004a99;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
    margin-top: 10px;
}

.btn-submit:hover {
    background-color: #003366;
}