.drm-bis-container {
    margin: 20px 0;
    padding: 20px;
    background: #f9f9f9;
    border: 1px solid #eee;
    border-radius: 4px;
}
.drm-bis-container h4 {
    margin-top: 0;
    margin-bottom: 15px;
}
.drm-bis-msg {
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 3px;
    display: none;
}
.drm-bis-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}
.drm-bis-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}
.drm-bis-input-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.drm-bis-input-group input[type="email"] {
    width: 100%;
}
.drm-bis-gdpr {
    font-size: 0.9em;
    color: #666;
}
.drm-bis-gdpr input[type="checkbox"] {
    margin-right: 8px;
}
.drm-bis-submit {
    align-self: flex-start;
    background-color: #2152a5 !important;
    color: #fff !important;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
}
.drm-bis-submit:hover {
    opacity: 0.9;
}