.gmb-gpt-card {
    background: #f7faff;
    border-radius: 22px;
    box-shadow: 0 8px 40px 0 rgba(44,62,80,.07);
    padding: 36px 30px 32px 30px;
    max-width: 430px;
    margin: 40px auto 30px auto;
    font-family: 'Montserrat', Arial, sans-serif;
    border: 1.5px solid #ecf1f9;
}
.gmb-gpt-card h2 {
    color: #25ba57;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 28px;
    font-family: 'Montserrat', Arial, sans-serif;
}
.gmb-gpt-card label {
    display: block;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 7px;
    color: #232323;
}
.gmb-gpt-card input[type="text"],
.gmb-gpt-card select {
    width: 100%;
    padding: 13px 11px;
    border-radius: 8px;
    border: 1.2px solid #dbe7fb;
    font-size: 1.03rem;
    margin-bottom: 18px;
    background: #fff;
    font-family: 'Montserrat', Arial, sans-serif;
    box-sizing: border-box;
    transition: border 0.22s;
}
.gmb-gpt-card input[type="text"]:focus,
.gmb-gpt-card select:focus {
    outline: none;
    border-color: #25ba57;
}
.gmb-gpt-card .button-primary, .gmb-gpt-card button[type="submit"] {
    width: 50%;
    background: #25ba57;
    color: #fff;
    font-weight: 700;
    border: none;
    border-radius: 8px;
    font-size: 1.15rem;
    padding: 13px 0 12px 0;
    margin-top: 5px;
    margin-bottom: 20px;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(44,187,99,0.08);
    font-family: 'Montserrat', Arial, sans-serif;
    display: block;
    margin-left: auto;
    margin-right: auto;
    transition: background 0.3s, transform 0.2s;
}
.gmb-gpt-card .button-primary:hover {
    background: #1e9448;
    transform: translateY(-1px);
}
.gmb-gpt-card .button-primary:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}
.gmb-gpt-card .button {
    background: #4a90e2;
    color: #fff;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    font-size: 0.95rem;
    padding: 8px 16px;
    margin: 0 5px;
    cursor: pointer;
    font-family: 'Montserrat', Arial, sans-serif;
    transition: background 0.3s;
}
.gmb-gpt-card #copy-btn {
    background: #9b59b6;
}
.gmb-gpt-card #copy-btn:hover {
    background: #8e44ad;
}
.gmb-gpt-card #regenerate-btn {
    background: #e67e22;
}
.gmb-gpt-card #regenerate-btn:hover {
    background: #d35400;
}
.gmb-gpt-card #gmb-progress-container {
    background: none;
    border-radius: 9px;
    margin: 5px 0 10px 0;
    padding: 0;
    width: 95%;
    margin-left: auto;
    margin-right: auto;
}
.gmb-gpt-card #gmb-progress-bar {
    background: #63aadf;
    color: #fff;
    text-align: center;
    font-size: 1.07rem;
    font-weight: 700;
    border-radius: 9px;
    height: 24px;
    min-width: 60px;
    transition: width .22s cubic-bezier(.4,1,.7,1), background .28s;
    box-shadow: none;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0;
}
.gmb-gpt-card #gmb-gpt-output textarea {
    width: 100%;
    min-height: 300px;
    padding: 13px 12px;
    border-radius: 7px;
    font-family: 'Montserrat', Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.5;
    margin-top: 8px;
    margin-bottom: 10px;
    border: 1.2px solid #dde7f3;
    background: #fcfcfc;
    color: #263238;
    resize: vertical;
}
.gmb-gpt-card #gmb-gpt-output textarea:focus {
    outline: none;
    border-color: #25ba57;
}
.gmb-gpt-card #gmb-progress-message {
    text-align: center;
    color: #63aadf;
    font-size: 1.07rem;
    font-weight: 500;
    letter-spacing: .01em;
    margin-top: 3px;
    margin-bottom: 15px;
    font-family: 'Montserrat', Arial, sans-serif;
}

/* Additional improvements */
.gmb-gpt-card .button-group {
    text-align: center;
    margin-top: 15px;
}
.gmb-gpt-card select[name="state"] {
    max-width: 100%;
}
.gmb-gpt-card #gmb-gpt-output > div {
    background: #f0f4f8;
    padding: 8px 12px;
    border-radius: 5px;
    margin-top: 10px;
    border-left: 3px solid #25ba57;
}
.gmb-gpt-card .error-message {
    color: #e74c3c;
    background: #fee;
    padding: 10px;
    border-radius: 5px;
    margin: 10px 0;
    border-left: 3px solid #e74c3c;
}
.gmb-gpt-card .success-message {
    color: #27ae60;
    background: #efe;
    padding: 10px;
    border-radius: 5px;
    margin: 10px 0;
    border-left: 3px solid #27ae60;
}