/* 仪表盘样式 */
:root {
    --bg-color: #0d1117;
    --sidebar-bg: #161b22;
    --primary-color: #58a6ff;
    --text-color: #c9d1d9;
    --text-secondary-color: #8b949e;
    --border-color: #30363d;
    --header-bg: #161b22;
    --card-bg: #161b22;
    --hover-bg: #21262d;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    display: flex;
    height: 100vh;
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow: hidden;
}

.dashboard-container {
    display: flex;
    width: 100%;
    height: 100vh;
}

/* 左侧导航栏 */
.sidebar {
    width: 60px;
    background-color: var(--sidebar-bg);
    padding: 15px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-right: 1px solid var(--border-color);
    transition: width 0.3s ease;
    position: relative;
    z-index: 2000; /* 极大提升层级，防止被遮挡 */
}

/* 左侧紫色指示条 */
.sidebar::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(180deg, #9333EA 0%, #7C3AED 100%);
    z-index: 2001;
}

.logo {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 30px;
    position: relative;
    z-index: 2;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    width: 100%;
    position: relative;
    z-index: 2;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 50px;
    text-decoration: none;
    color: var(--text-secondary-color);
    transition: background-color 0.3s, color 0.3s;
    position: relative;
}

.sidebar-menu a:hover, .sidebar-menu a.active {
    background-color: var(--hover-bg);
    color: white;
}

.sidebar-menu a.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 60%;
    background-color: var(--primary-color);
    border-radius: 0 4px 4px 0;
}

.sidebar-menu a i {
    font-size: 20px;
}

/* 主内容区域 */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-color);
    position: relative;
    z-index: auto; /* 移除固定层级，允许子元素参与全局层级 */
    overflow-y: auto;
}

/* 顶部导航栏 */
.top-header {
    padding: 10px 25px;
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
    box-sizing: border-box;
    position: relative;
    z-index: 1500; /* 确保在内容之上，但低于侧边栏 */
}

/* 强制隐藏可能存在的全局遮罩层 */
.modal-overlay, .modal-backdrop, .overlay, .modal {
    display: none !important;
}

.page-title {
    margin: 0;
    font-size: 1.5em;
    font-weight: 600;
    color: var(--text-color);
}

.user-section {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.user-label {
    font-size: 12px;
    color: var(--text-secondary-color);
}

.username {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 14px;
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.logout-btn:hover {
    background-color: var(--hover-bg);
    border-color: var(--primary-color);
}

.logout-btn svg {
    width: 16px;
    height: 16px;
}

/* 图表容器 */
.charts-container {
    padding: 32px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    overflow: visible;
}

.chart-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid var(--border-color);
}

.chart-card.full-width {
    grid-column: 1 / -1;
}

.chart-title {
    margin-top: 0;
    font-size: 1.2em;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.chart-wrapper {
    position: relative;
    height: 300px;
    overflow: visible;
}

.chart-card.full-width .chart-wrapper {
    height: 320px;
    min-height: 320px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .charts-container {
        grid-template-columns: 1fr;
    }
    
    .chart-card.full-width {
        grid-column: 1;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 60px;
    }
    
    .main-content {
        margin-left: 60px;
    }
    
    .top-header {
        padding: 16px 20px;
    }
    
    .charts-container {
        padding: 20px;
        gap: 16px;
    }
    
    .user-info {
        display: none;
    }
}