/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    display: grid;
    grid-template-areas:
        "header header header"
        "nav nav nav"
        "main main aside"
        "footer footer footer";
    grid-template-columns: 1fr 1fr 300px;
    grid-template-rows: auto auto 1fr auto;
    min-height: 100vh;
}

/* 头部样式 */
header {
    grid-area: header;
    background-color: #1e88e5;
    color: white;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
}

header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* 导航样式 */
nav {
    grid-area: nav;
    background-color: #0d47a1;
    padding: 0.5rem;
    overflow-x: auto;
    white-space: nowrap;
}

nav ul {
    display: flex;
    list-style: none;
}

nav li {
    margin-right: 0.5rem;
}

nav a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 0.7rem 1.2rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

nav a.active {
    background-color: rgba(255, 255, 255, 0.2);
    font-weight: bold;
}

/* 主内容区域 */
main {
    grid-area: main;
    padding: 1.5rem;
    background-color: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
}

/* 图表容器 */
#chart-container {
    margin-bottom: 2rem;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.chart-controls button {
    background-color: #1e88e5;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    margin-left: 0.5rem;
    transition: background-color 0.3s;
}

.chart-controls button:hover {
    background-color: #1565c0;
}

.chart-wrapper {
    position: relative;
    height: 400px;
    margin-bottom: 1.5rem;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    padding: 1rem;
}

.chart-description {
    background-color: #f5f5f5;
    padding: 1rem;
    border-radius: 4px;
    border-left: 4px solid #1e88e5;
}

/* 数据面板 */
#data-panel {
    background-color: #f5f5f5;
    padding: 1rem;
    border-radius: 4px;
}

.data-table-container {
    max-height: 300px;
    overflow-y: auto;
    margin: 1rem 0;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
}

#data-table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
}

#data-table th,
#data-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

#data-table th {
    background-color: #f5f5f5;
    font-weight: bold;
}

#data-table tr:hover {
    background-color: #f8f9fa;
}

.data-controls {
    display: flex;
    gap: 0.5rem;
}

.data-controls button {
    background-color: #1e88e5;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.data-controls button:hover {
    background-color: #1565c0;
}

.data-controls button:disabled {
    background-color: #bdbdbd;
    cursor: not-allowed;
}

/* 侧边栏 */
aside {
    grid-area: aside;
    padding: 1.5rem;
    background-color: #f5f5f5;
    border-left: 1px solid #e0e0e0;
}

.option-group {
    margin-bottom: 1.2rem;
}

.option-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.option-group select,
.option-group input[type="range"] {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
}

.option-group.checkbox {
    display: flex;
    align-items: center;
}

.option-group.checkbox label {
    margin-bottom: 0;
    margin-left: 0.5rem;
}

/* 页脚 */
footer {
    grid-area: footer;
    background-color: #0d47a1;
    color: white;
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
}

/* 响应式设计 */
@media (max-width: 992px) {
    body {
        grid-template-areas:
            "header header"
            "nav nav"
            "main main"
            "aside aside"
            "footer footer";
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    body {
        grid-template-areas:
            "header"
            "nav"
            "main"
            "aside"
            "footer";
        grid-template-columns: 1fr;
    }

    .chart-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .chart-controls {
        margin-top: 1rem;
    }

    .chart-controls button {
        margin-left: 0;
        margin-right: 0.5rem;
    }
}

/* 编辑模式样式 */
.edit-mode .editable {
    background-color: #fff8e1;
    border: 1px dashed #ffc107;
    padding: 2px;
}

/* 动画效果 */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 工具提示 */
.tooltip {
    position: absolute;
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.5rem;
    border-radius: 4px;
    font-size: 0.9rem;
    z-index: 100;
    pointer-events: none;
}

/* 加载动画 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: opacity 0.5s;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #1e88e5;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 数据标签样式 */
.data-label {
    position: absolute;
    font-size: 12px;
    font-weight: bold;
    color: #333;
    background-color: rgba(255, 255, 255, 0.7);
    padding: 2px 4px;
    border-radius: 2px;
    pointer-events: none;
}

/* 图表切换动画 */
.chart-transition {
    transition: all 0.5s ease;
}

/* 高亮效果 */
.highlight {
    animation: highlight 1s ease;
}

@keyframes highlight {
    0% { background-color: rgba(255, 235, 59, 0.5); }
    100% { background-color: transparent; }
}