.itb-container {
    max-width: 700px;
    margin: auto;
    background: #f2f2f2;
    padding: 20px;
    border-radius: 12px;
    text-align: center;
}

.itb-header {
    background: #00e5ff;
    padding: 12px;
    font-size: 20px;
    color: #000;
    border-radius: 8px;
    margin-bottom: 15px;
}

.itb-box input {
    margin: 10px 0;
}

#itb-drop {
    border: 2px dashed #00e5ff;
    padding: 20px;
    margin-bottom: 10px;
    cursor: pointer;
}

#itb-drop.hover {
    background: #e0f7fa;
}

#itb-preview {
    max-width: 100%;
    margin: 10px 0;
    display: none;
    border-radius: 8px;
}

#itb-output {
    width: 100%;
    height: 150px;
    margin-top: 10px;
    padding: 10px;
    color: #000;
}

.itb-buttons button {
    background: #00e5ff;
    border: none;
    padding: 10px 15px;
    margin: 5px;
    cursor: pointer;
    border-radius: 8px;
}

.itb-buttons button:hover {
    opacity: 0.8;
}

#itb-toast {
    display: none;
    margin-top: 10px;
    color: green;
}

/* Responsive */
@media(max-width: 600px) {
    .itb-container {
        padding: 10px;
    }
}