.main-container {
    display: flex;
    height: calc(100vh - 50px);
    width: 100%;
}

.left-panel {
    width: 30%;
    background-color: #f5f5f5;
    padding: 0;
    box-sizing: border-box;
    overflow: hidden;
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.left-panel-tabs {
    display: flex;
    background-color: #e0e0e0;
    border-bottom: 1px solid #ccc;
    flex-shrink: 0;
}

.left-panel-tab {
    flex: 1;
    padding: 10px 20px;
    text-align: center;
    cursor: pointer;
    font-size: 14px;
    color: #666;
    transition: all 0.2s;
    border: none;
    background: none;
    height: 40px;
    line-height: 20px;
}

.left-panel-tab:hover {
    background-color: #f0f0f0;
}

.left-panel-tab.active {
    background-color: #faf5ff;
    color: #9333ea;
    font-weight: 600;
    border-bottom: 2px solid #9333ea;
}

.left-panel-content {
    flex: 1;
    min-height: 0;
    padding: 20px;
    padding-bottom: 90px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
}

.tab-content {
    display: none;
    overflow: hidden;
    min-width: 0;
}

.left-panel-content:has(#tab-history.active) {
    padding-bottom: 20px;
    padding-right: 6px;
}

.tab-content.active {
    display: flex;
    flex-direction: column;
    flex: 1 1 0;
    min-height: 0;
    overflow: hidden;
}