.idt-tool-container {
    display: flex;
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    min-height: 400px;
}

.idt-tabs {
    width: 30%;
    background: #f8f9fa;
    border-right: 1px solid #ddd;
    display: flex;
    flex-direction: column;
}

.idt-tab-btn {
    background: none;
    border: none;
    padding: 15px 20px;
    text-align: left;
    font-size: 16px;
    cursor: pointer;
    border-bottom: 1px solid #ddd;
    transition: 0.3s;
}

.idt-tab-btn:hover { background: #e9ecef; }
.idt-tab-btn.active { background: #0073aa; color: white; }

.idt-content {
    width: 70%;
    padding: 30px;
}

.idt-panel input, .idt-panel select, .idt-panel textarea {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.idt-panel button {
    background: #0073aa;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.idt-panel button:hover { background: #005177; }