/* 数据管理系统自定义样式 */

/* 全局样式 */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --muted-color: #6c757d;
    --max-container-width: 1400px; /* PC端最大容器宽度 */
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', sans-serif;
    background-color: #f5f6fa;
    color: #2c3e50;
    line-height: 1.6;
}

/* 容器响应式布局 */
.container-fluid {
    max-width: var(--max-container-width);
    margin: 0 auto;
    padding-left: 15px;
    padding-right: 15px;
}

/* 针对不同屏幕尺寸的容器调整 */
@media (min-width: 1200px) {
    .container-fluid {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

@media (min-width: 1600px) {
    .container-fluid {
        max-width: 1500px;
        padding-left: 3rem;
        padding-right: 3rem;
    }
}

@media (min-width: 1920px) {
    .container-fluid {
        max-width: 1600px;
        padding-left: 4rem;
        padding-right: 4rem;
    }
}

/* 导航栏样式 */
.navbar-brand {
    font-weight: bold;
    font-size: 1.25rem;
}

.navbar-nav .nav-link {
    position: relative;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: #fff !important;
    transform: translateY(-1px);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after {
    width: 80%;
}

/* 卡片样式 */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    margin-bottom: 1.5rem;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.12);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 15px 15px 0 0 !important;
    border-bottom: none;
    padding: 1rem 1.5rem;
}

.card-header h5 {
    margin-bottom: 0;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

/* 按钮样式 */
.btn {
    border-radius: 25px;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a6fd8, #6a4c93);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.4);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 193, 7, 0.4);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.4);
}

.btn-info:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(23, 162, 184, 0.4);
}

/* 表格样式 */
.table {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.05);
}

.table thead th {
    background: linear-gradient(135deg, var(--dark-color), #2c3e50);
    color: white;
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.85rem;
    padding: 1rem 0.75rem;
}

.table tbody tr {
    transition: all 0.2s ease;
}

.table tbody tr:hover {
    background-color: rgba(102, 126, 234, 0.05);
    transform: scale(1.01);
}

.table tbody td {
    border-color: #e9ecef;
    padding: 1rem 0.75rem;
    vertical-align: middle;
}

/* 表单样式 */
.form-control {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
    padding: 0.75rem 1rem;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
    transform: translateY(-1px);
}

.form-select {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

/* 徽章样式 */
.badge {
    border-radius: 20px;
    font-weight: 500;
    padding: 0.5em 0.75em;
    font-size: 0.75rem;
}

.badge i {
    margin-right: 0.25rem;
}

/* 进度条样式 */
.progress {
    height: 8px;
    border-radius: 10px;
    background-color: #e9ecef;
    overflow: hidden;
}

.progress-bar {
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transition: width 0.6s ease;
}

/* 警告框样式 */
.alert {
    border-radius: 15px;
    border: none;
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
}

.alert-success {
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.1), rgba(40, 167, 69, 0.05));
    color: #155724;
}

.alert-danger {
    background: linear-gradient(135deg, rgba(220, 53, 69, 0.1), rgba(220, 53, 69, 0.05));
    color: #721c24;
}

.alert-warning {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1), rgba(255, 193, 7, 0.05));
    color: #856404;
}

.alert-info {
    background: linear-gradient(135deg, rgba(23, 162, 184, 0.1), rgba(23, 162, 184, 0.05));
    color: #0c5460;
}

/* 模态框样式 */
.modal-content {
    border-radius: 20px;
    border: none;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.15);
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 20px 20px 0 0;
    border-bottom: none;
}

.modal-footer {
    border-top: 1px solid #e9ecef;
    border-radius: 0 0 20px 20px;
}

/* 分页样式 */
.pagination .page-link {
    border-radius: 10px;
    margin: 0 2px;
    border: 2px solid #e9ecef;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.pagination .page-link:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.pagination .page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-color: var(--primary-color);
}

/* 统计卡片样式 */
.stat-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 20px;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(45deg);
    transition: all 0.3s ease;
}

.stat-card:hover::before {
    right: -40%;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 滑入动画 */
.slide-in {
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

/* 响应式设计改进 */
@media (max-width: 576px) {
    /* 小手机 */
    .container-fluid {
        padding-left: 10px;
        padding-right: 10px;
    }
    
    .card-body {
        padding: 0.75rem;
    }
    
    .btn {
        border-radius: 20px;
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }
    
    .table-responsive {
        border-radius: 10px;
    }
    
    .modal-dialog {
        margin: 0.25rem;
    }
    
    .pagination .page-link {
        padding: 0.25rem 0.5rem;
        font-size: 0.8rem;
    }
    
    .navbar-brand {
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    /* 平板和大手机 */
    .container-fluid {
        padding-left: 12px;
        padding-right: 12px;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn {
        border-radius: 20px;
        font-size: 0.875rem;
    }
    
    .table-responsive {
        border-radius: 10px;
    }
    
    .modal-dialog {
        margin: 0.5rem;
    }
    
    .pagination .page-link {
        padding: 0.375rem 0.75rem;
        font-size: 0.875rem;
    }
}

@media (min-width: 769px) and (max-width: 1199px) {
    /* 小桌面和大平板 */
    .container-fluid {
        max-width: 95%;
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

/* 卡片网格布局优化 */
@media (min-width: 992px) {
    .row .col-lg-6:nth-child(odd) {
        clear: left;
    }
}

@media (min-width: 1200px) {
    .row .col-xl-4:nth-child(3n+1) {
        clear: left;
    }
    
    .row .col-xl-6:nth-child(odd) {
        clear: left;
    }
}

/* 表格在大屏幕上的优化 */
@media (min-width: 1200px) {
    .table {
        font-size: 0.95rem;
    }
    
    .table th,
    .table td {
        padding: 1rem;
    }
}

/* 表单布局优化 */
@media (min-width: 768px) {
    .form-row .col-md-6 {
        padding-right: 0.75rem;
        padding-left: 0.75rem;
    }
}

@media (min-width: 992px) {
    .form-floating {
        margin-bottom: 1.5rem;
    }
}

/* 深色主题支持 */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1a1a1a;
        color: #e9ecef;
    }
    
    .card {
        background-color: #2d3748;
        color: #e9ecef;
    }
    
    .table {
        background-color: #2d3748;
        color: #e9ecef;
    }
    
    .form-control, .form-select {
        background-color: #2d3748;
        color: #e9ecef;
        border-color: #4a5568;
    }
    
    .form-control:focus, .form-select:focus {
        background-color: #2d3748;
        color: #e9ecef;
    }
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a6fd8, #6a4c93);
}

/* 图表容器样式 */
.chart-container {
    position: relative;
    height: 300px;
    margin: 1rem 0;
}

/* 工具提示样式 */
.tooltip {
    font-size: 0.875rem;
}

.tooltip-inner {
    background-color: rgba(0, 0, 0, 0.9);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
}

/* 文件上传区域样式 */
.upload-area {
    border: 2px dashed #ccc;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
}

.upload-area.dragover {
    border-color: var(--success-color);
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.1), rgba(40, 167, 69, 0.05));
}

/* 状态指示器 */
.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 0.5rem;
}

.status-online {
    background-color: var(--success-color);
    animation: pulse 2s infinite;
}

.status-offline {
    background-color: var(--danger-color);
}

.status-warning {
    background-color: var(--warning-color);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(40, 167, 69, 0); }
    100% { box-shadow: 0 0 0 0 rgba(40, 167, 69, 0); }
}

/* 搜索框样式 */
.search-box {
    position: relative;
}

.search-box .form-control {
    padding-left: 2.5rem;
}

.search-box .search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--muted-color);
    z-index: 5;
}

/* 数据为空时的样式 */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--muted-color);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h5 {
    color: var(--muted-color);
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--muted-color);
    opacity: 0.8;
}

/* 数据统计样式 */
.data-stat {
    text-align: center;
    padding: 1rem;
}

.data-stat .stat-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    display: block;
}

.data-stat .stat-label {
    font-size: 0.875rem;
    color: var(--muted-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 大屏幕优化样式 */
@media (min-width: 1400px) {
    /* 卡片间距优化 */
    .card {
        margin-bottom: 2rem;
    }
    
    /* 导航栏内容居中显示 */
    .navbar .container-fluid {
        justify-content: center;
    }
    
    /* 表格列宽度优化 */
    .table th,
    .table td {
        min-width: 100px;
        text-align: center;
    }
    
    .table th:first-child,
    .table td:first-child {
        text-align: left;
    }
    
    /* 按钮组布局优化 */
    .btn-group {
        gap: 0.5rem;
    }
    
    /* 模态框居中优化 */
    .modal-dialog {
        max-width: 800px;
        margin: 3rem auto;
    }
}

/* 超大屏幕优化 */
@media (min-width: 1920px) {
    /* 卡片网格调整 */
    .row > .col-xl-3 {
        flex: 0 0 auto;
        width: 20%;
    }
    
    .row > .col-xl-4 {
        flex: 0 0 auto;
        width: 30%;
    }
    
    /* 表单布局优化 */
    .form-floating {
        margin-bottom: 2rem;
    }
    
    /* 文字大小调整 */
    body {
        font-size: 1rem;
    }
    
    .h1, h1 { font-size: 2.5rem; }
    .h2, h2 { font-size: 2rem; }
    .h3, h3 { font-size: 1.75rem; }
    .h4, h4 { font-size: 1.5rem; }
    .h5, h5 { font-size: 1.25rem; }
    .h6, h6 { font-size: 1rem; }
}

/* 内容区域居中和间距优化 */
.content-wrapper {
    max-width: var(--max-container-width);
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 1200px) {
    .content-wrapper {
        padding: 0 2rem;
    }
    
    /* 侧边栏布局优化 */
    .sidebar {
        max-width: 280px;
    }
    
    .main-content {
        margin-left: 300px;
        padding: 0 2rem;
    }
}

/* 空白区域优化 */
.section-spacing {
    margin: 3rem 0;
}

@media (min-width: 1400px) {
    .section-spacing {
        margin: 4rem 0;
    }
}

/* 卡片阴影和间距调整 */
@media (min-width: 1200px) {
    .card {
        margin-bottom: 2rem;
        box-shadow: 0 4px 25px rgba(0, 0, 0, 0.08);
    }
    
    .card:hover {
        box-shadow: 0 8px 35px rgba(0, 0, 0, 0.12);
    }
}

/* 导航栏布局优化 */
@media (min-width: 1200px) {
    .navbar {
        padding: 0.75rem 0;
    }
    
    .navbar-brand {
        font-size: 1.4rem;
        margin-right: 3rem;
    }
    
    .navbar-nav .nav-link {
        padding: 0.75rem 1.5rem;
        margin: 0 0.25rem;
    }
}