.gmb-form-container {
    background: #ffffff;
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    max-width: 500px;
    margin: 20px auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}
.gmb-form-container h3 {
    margin-top: 0;
    color: #1a202c;
    font-size: 22px;
    margin-bottom: 15px;
}
.gmb-form-container p {
    color: #4a5568;
    font-size: 14px;
    margin-bottom: 25px;
}
.gmb-field {
    margin-bottom: 20px;
}
.gmb-field label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: #2d3748;
    font-size: 14px;
}
.gmb-field input, .gmb-field textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #cbd5e0;
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 15px;
    transition: border-color 0.2s;
}
.gmb-field input:focus, .gmb-field textarea:focus {
    outline: none;
    border-color: #635bff;
    box-shadow: 0 0 0 3px rgba(99, 91, 255, 0.2);
}
.gmb-field textarea {
    resize: vertical;
}
.gmb-btn {
    background: #635bff;
    color: white;
    padding: 14px 20px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    width: 100%;
    font-weight: 600;
    transition: background 0.3s;
}
.gmb-btn:hover {
    background: #0a2540;
}