/* 甘特图样式 - 重新设计 */
.gantt-container {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 24px;
    margin: 20px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.gantt-title {
    font-size: 24px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 24px;
    text-align: left;
}

.gantt-chart {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.gantt-header {
    display: flex;
    background: #ffffff;
    border-bottom: 2px solid #e9ecef;
}

.gantt-task-header {
    width: 200px;
    padding: 16px 20px;
    font-weight: 600;
    font-size: 14px;
    color: #495057;
    border-right: 1px solid #e9ecef;
    background: #f8f9fa;
    display: flex;
    align-items: center;
}

.gantt-timeline-header {
    flex: 1;
    display: flex;
    background: #f8f9fa;
}

.gantt-month {
    flex: 1;
    padding: 16px 10px;
    text-align: center;
    font-weight: 600;
    font-size: 14px;
    color: #495057;
    border-right: 1px solid #e9ecef;
    min-width: 80px;
}

.gantt-month:last-child {
    border-right: none;
}

.gantt-body {
    background: white;
}

.gantt-row {
    display: flex;
    border-bottom: 1px solid #e9ecef;
    transition: background-color 0.2s ease;
}

.gantt-row:hover {
    background-color: #f8f9fa;
}

.gantt-row:last-child {
    border-bottom: none;
}

.gantt-task-name {
    width: 200px;
    padding: 20px;
    border-right: 1px solid #e9ecef;
    background: white;
    font-weight: 500;
    font-size: 14px;
    color: #2c3e50;
    display: flex;
    align-items: center;
}

.gantt-timeline {
    flex: 1;
    position: relative;
    height: 60px;
    background: #fafbfc;
    display: flex;
}

.gantt-month-column {
    flex: 1;
    border-right: 1px solid #e9ecef;
    position: relative;
    min-width: 80px;
}

.gantt-month-column:last-child {
    border-right: none;
}

.gantt-bar {
    position: absolute;
    height: 32px;
    top: 14px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    color: white;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(66, 133, 244, 0.3);
    background: linear-gradient(135deg, #4285f4, #1a73e8);
}

.gantt-bar:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.4);
}

/* 滚动条样式 */
.gantt-scroll-container {
    overflow-x: auto;
    overflow-y: hidden;
}

.gantt-scroll-container::-webkit-scrollbar {
    height: 8px;
}

.gantt-scroll-container::-webkit-scrollbar-track {
    background: #f1f3f4;
    border-radius: 4px;
}

.gantt-scroll-container::-webkit-scrollbar-thumb {
    background: #9aa0a6;
    border-radius: 4px;
}

.gantt-scroll-container::-webkit-scrollbar-thumb:hover {
    background: #5f6368;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .gantt-container {
        padding: 16px;
        margin: 10px 0;
    }
    
    .gantt-title {
        font-size: 20px;
        margin-bottom: 16px;
    }
    
    .gantt-task-header,
    .gantt-task-name {
        width: 150px;
        padding: 12px 16px;
        font-size: 13px;
    }
    
    .gantt-month {
        min-width: 60px;
        padding: 12px 8px;
        font-size: 13px;
    }
    
    .gantt-timeline {
        height: 50px;
    }
    
    .gantt-bar {
        height: 28px;
        top: 11px;
        font-size: 11px;
    }
}

/* 动画效果 */
@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.gantt-row {
    animation: slideInFromLeft 0.3s ease-out;
}

.gantt-bar {
    animation: slideInFromLeft 0.5s ease-out;
}

/* 工具提示样式 */
.gantt-tooltip {
    position: absolute;
    background: #2c3e50;
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
    white-space: nowrap;
}

.gantt-tooltip.show {
    opacity: 1;
}

.gantt-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: #2c3e50 transparent transparent transparent;
}