/* 仪表板通用样式 */
.dashboard-container {
    display: flex;
    min-height: 100vh;
    background-color: #f0f2f5;
}

/* 侧边栏 */
.sidebar {
    width: 250px;
    background: linear-gradient(180deg, #1890ff 0%, #0050b3 100%);
    color: #fff;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    box-shadow: 2px 0 8px rgba(0,0,0,0.1);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h2 {
    font-size: 18px;
    margin-bottom: 5px;
}

.sidebar-header p {
    font-size: 12px;
    opacity: 0.8;
}

.sidebar-menu {
    padding: 20px 0;
}

.menu-item {
    padding: 12px 20px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
}

.menu-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.menu-item.active {
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
    border-left: 3px solid #fff;
}

.menu-icon {
    font-size: 18px;
}

/* 主内容区 */
.main-content {
    flex: 1;
    margin-left: 250px;
    padding: 20px;
}

/* 顶部导航 */
.top-nav {
    background: #fff;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-nav-left h1 {
    font-size: 20px;
    color: #333;
}

.top-nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.user-name {
    font-size: 14px;
    color: #333;
}

.btn-logout {
    padding: 6px 16px;
    background-color: #ff4d4f;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
}

.btn-logout:hover {
    background-color: #ff7875;
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.stat-card {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 15px;
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
}

.stat-icon.blue {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.stat-icon.green {
    background: linear-gradient(135deg, #84fab0 0%, #8fd3f4 100%);
}

.stat-icon.orange {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.stat-icon.red {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.stat-info h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 5px;
    color: #333;
}

.stat-info p {
    font-size: 13px;
    color: #666;
}

/* 工具栏 */
.toolbar {
    background: #fff;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.toolbar-left {
    display: flex;
    gap: 10px;
}

.search-box {
    position: relative;
}

.search-box input {
    padding: 8px 35px 8px 12px;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    width: 250px;
}

.search-box button {
    position: absolute;
    right: 0;
    top: 0;
    padding: 8px 12px;
    background: none;
    border: none;
    cursor: pointer;
    color: #666;
}

/* 内容卡片 */
.content-card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    overflow: hidden;
}

.content-header {
    padding: 15px 20px;
    border-bottom: 1px solid #e8e8e8;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.content-header h2 {
    font-size: 16px;
    font-weight: 600;
}

.content-body {
    padding: 20px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .sidebar {
        width: 60px;
    }

    .sidebar-header h2,
    .sidebar-header p,
    .menu-item span {
        display: none;
    }

    .main-content {
        margin-left: 60px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .toolbar {
        flex-direction: column;
        gap: 10px;
    }

    .search-box input {
        width: 100%;
    }
}
