.go-utm-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 60px auto;
}

.go-utm-card {
    background: #111;
    padding: 35px;
    border-radius: 16px;
    box-shadow: 0 0 40px rgba(0,0,0,0.4);
}

.go-utm-card h2 {
    color: #fff;
    margin-bottom: 25px;
}

.go-field {
    margin-bottom: 22px;
}

.go-field label {
    display: block;
    color: #ccc;
    margin-bottom: 6px;
    font-size: 14px;
}

.go-field label span {
    color: #ff4d4d;
}

.go-field small {
    display: block;
    color: #777;
    font-size: 12px;
    margin-top: 5px;
}

.go-field input {
    width: 100%;
    padding: 14px;
    background: #1b1b1b;
    border: 1px solid #333;
    border-radius: 10px;
    color: #fff;
    font-size: 14px;
}

.go-field input:focus {
    border-color: #00e676;
    outline: none;
}

#generate_utm {
    width: 100%;
    padding: 14px;
    background: #00e676;
    color: #000;
    border: none;
    border-radius: 12px;
    font-weight: bold;
    cursor: pointer;
}

.go-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.go-result-header button {
    background: transparent;
    border: 1px solid #444;
    color: #fff;
    padding: 6px 12px;
    border-radius: 8px;
    cursor: pointer;
}

#utm_output {
    width: 100%;
    height: 120px;
    margin-top: 20px;
    background: #1b1b1b;
    border: 1px solid #333;
    border-radius: 12px;
    padding: 15px;
    color: #f9c74f;
}

.go-preview {
    margin-top: 30px;
}

.go-preview h3 {
    color: #fff;
    margin-bottom: 15px;
}

.preview-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    color: #bbb;
}

@media (max-width: 900px) {
    .go-utm-wrapper {
        grid-template-columns: 1fr;
    }
}