/* 全局样式 */
body {
    font-family: 'Microsoft YaHei', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    background-color: #f8f9fa;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 主内容区 */
main {
    flex: 1;
}

/* 导航栏样式 */
.navbar {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    background-color: #ffffff;
}

.navbar-brand {
    font-weight: 600;
    color: #0d6efd;
}

.navbar-nav .nav-link.active {
    color: #0d6efd;
    font-weight: 500;
}

.navbar-nav .nav-link:hover {
    color: #0a58ca;
}

/* 卡片样式 */
.card {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: none;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    font-weight: 500;
}

.card-title {
    color: #0d6efd;
    margin-bottom: 0.75rem;
}

/* 表格样式 */
.table {
    margin-bottom: 0;
    vertical-align: middle;
}

.table th {
    border-top: none;
    font-weight: 600;
    background-color: #f8f9fa;
    color: #495057;
}

.table-hover tbody tr:hover {
    background-color: rgba(13, 110, 253, 0.05);
}

/* 按钮样式 */
.btn {
    border-radius: 0.25rem;
    font-weight: 500;
    padding: 0.375rem 1rem;
    transition: all 0.2s;
}

.btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-outline-primary {
    color: #0d6efd;
    border-color: #0d6efd;
}

.btn-outline-primary:hover {
    background-color: #0d6efd;
    color: #fff;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

/* 表单样式 */
.form-control {
    border-radius: 0.25rem;
}

.form-control:focus {
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
    border-color: #86b7fe;
}

.form-label {
    font-weight: 500;
    color: #495057;
}

.form-text {
    color: #6c757d;
}

/* 徽章样式 */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
}

/* 页脚样式 */
footer {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding: 1.5rem 0;
    margin-top: 2rem;
    background-color: #fff;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .card-title {
        font-size: 1.25rem;
    }
    
    .table-responsive {
        border: none;
    }
    
    .btn {
        padding: 0.375rem 0.75rem;
    }
}

/* 首页特殊样式 */
.jumbotron {
    background-color: #e9ecef;
    border-radius: 0.5rem;
    padding: 2rem;
    margin-bottom: 2rem;
}

.jumbotron h1 {
    color: #0d6efd;
}

/* 图表容器样式 */
.chart-container {
    position: relative;
    height: 400px;
    width: 100%;
    margin-bottom: 1.5rem;
}

canvas {
    max-height: 100%;
    width: 100%;
}

/* 搜索框样式 */
.search-container {
    margin-bottom: 1.5rem;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}