.rm-signup-wrap {
    max-width: 560px;
}

.rm-signup-form .rm-signup-col {
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* E-Mail-Eingabefeld */
.rm-signup-form input[type="email"] {
    padding: 10px 14px;
    font-size: 1rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    line-height: 1.4;
    display: block;
	margin-bottom: 1em;

}

.rm-signup-form input[type="email"]:focus {
    outline: 2px solid #0073aa;
    outline-offset: 1px;
    border-color: #0073aa;
}

/* Feedback ZWISCHEN Input und Button */
.rm-signup-feedback {
    font-size: 1em;
    line-height: 1.5;
    min-height: 0;
    margin-bottom: 0;
    transition: all 0.2s ease;
}

.rm-signup-feedback:not(:empty) {
    margin: 0em 0 1em 0;
}

.rm-signup-feedback.rm-success {
    color: #1e7e34;
}

.rm-signup-feedback.rm-error {
    color: #c0392b;
}

/* Button */
.rm-signup-form button[type="submit"] {
    padding: 10px 20px;
    font-size: 1rem;
    background: #0073aa;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s;
    display: inline-block;
    margin-bottom: 0;
}

.rm-signup-form button[type="submit"]:hover {
    background: #005177;
}

.rm-signup-form button[type="submit"]:disabled {
    background: #999;
    cursor: default;
}

/* DOI-Hinweis */
.rm-doi-notice {
    margin: 1.5em 0 0;
    font-size: 0.8rem;
    color: #666;
    line-height: 1.5;
}