.ttv-box {
    max-width: 620px;
    padding: 24px;
    border-radius: 14px;
    background: #ffffff;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    margin: 25px auto;
}

.ttv-field {
    margin-bottom: 16px;
}

.ttv-field label {
    display: block;
    font-weight: 700;
    margin-bottom: 7px;
}

.ttv-field select {
    width: 100%;
    padding: 13px;
    border: 1px solid #d8d8d8;
    border-radius: 8px;
    font-size: 16px;
    background: #fff;
}

.ttv-button {
    width: 100%;
    padding: 14px 18px;
    border: none;
    border-radius: 8px;
    background: #111827;
    color: #ffffff;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
}

.ttv-button:hover {
    background: #000000;
}

.ttv-result {
    display: none;
    margin-top: 18px;
    padding: 18px;
    border-radius: 10px;
    background: #f3f7ff;
    color: #111827;
    font-size: 20px;
    font-weight: 700;
    text-align: center;
}

.ttv-error {
    background: #fff3f3;
    color: #b00020;
}