/* 后台管理样式 */
body {
    font-family: 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    background-color: #f8f9fa;
}

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

.navbar-nav .dropdown-menu {
    border: none;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* 卡片样式 */
.card {
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    margin-bottom: 1.5rem;
}

.card-header {
    background-color: #fff;
    border-bottom: 1px solid #dee2e6;
    font-weight: 600;
    padding: 1rem 1.25rem;
}

/* 统计卡片样式 */
.card.bg-primary,
.card.bg-success,
.card.bg-warning,
.card.bg-info {
    border: none;
    box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.1);
}

/* 表格样式 */
.table {
    background-color: #fff;
}

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

.table-hover tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.075);
}

/* 按钮样式 */
.btn {
    border-radius: 0.375rem;
    font-weight: 500;
}

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

/* 表单样式 */
.form-control,
.form-select {
    border-radius: 0.375rem;
    border-color: #ced4da;
}

.form-control:focus,
.form-select:focus {
    border-color: #80bdff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-label {
    font-weight: 600;
    color: #495057;
    margin-bottom: 0.5rem;
}

/* 富文本编辑器样式 */
.tox-tinymce {
    border-radius: 0.375rem !important;
    border-color: #ced4da !important;
}

.tox-editor-header {
    border-top-left-radius: 0.375rem !important;
    border-top-right-radius: 0.375rem !important;
}

.tox-edit-area {
    border-bottom-left-radius: 0.375rem !important;
    border-bottom-right-radius: 0.375rem !important;
}

/* 文件上传区域样式 */
.upload-area {
    border: 2px dashed #ced4da;
    border-radius: 0.375rem;
    padding: 2rem;
    text-align: center;
    background-color: #f8f9fa;
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-area:hover {
    border-color: #80bdff;
    background-color: #e7f3ff;
}

.upload-area.dragover {
    border-color: #007bff;
    background-color: #cce7ff;
}

.upload-area input[type="file"] {
    display: none;
}

.upload-preview {
    max-width: 200px;
    max-height: 200px;
    object-fit: cover;
    border-radius: 0.375rem;
    margin: 0.5rem;
}

/* 模态框样式 */
.modal-content {
    border: none;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    border-radius: 0.5rem;
}

.modal-header {
    border-bottom: 1px solid #dee2e6;
    border-top-left-radius: 0.5rem;
    border-top-right-radius: 0.5rem;
}

.modal-footer {
    border-top: 1px solid #dee2e6;
    border-bottom-left-radius: 0.5rem;
    border-bottom-right-radius: 0.5rem;
}

/* 警告框样式 */
.alert {
    border: none;
    border-radius: 0.5rem;
    font-weight: 500;
}

.alert-dismissible .btn-close {
    padding: 0.75rem 1rem;
}

/* 分页样式 */
.pagination {
    margin-bottom: 0;
}

.pagination .page-link {
    color: #007bff;
    border-color: #dee2e6;
    border-radius: 0.375rem;
    margin: 0 0.125rem;
}

.pagination .page-item.active .page-link {
    background-color: #007bff;
    border-color: #007bff;
}

.pagination .page-link:hover {
    color: #0056b3;
    background-color: #e9ecef;
    border-color: #dee2e6;
}

/* 徽章样式 */
.badge {
    font-size: 0.75em;
    font-weight: 500;
}

/* 进度条样式 */
.progress {
    height: 0.5rem;
    background-color: #e9ecef;
    border-radius: 0.25rem;
}

.progress-bar {
    border-radius: 0.25rem;
}

/* 星级评分样式 */
.star-rating {
    display: inline-flex;
    gap: 0.125rem;
}

.star-rating i {
    cursor: pointer;
    transition: color 0.2s ease;
}

.star-rating i:hover {
    color: #ffc107 !important;
}

/* 登录页面样式 */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-card {
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    border: none;
    border-radius: 1rem;
    overflow: hidden;
}

.login-card .card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-bottom: none;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .container-fluid {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .btn-group-sm > .btn {
        padding: 0.125rem 0.25rem;
        font-size: 0.75rem;
    }
    
    .upload-area {
        padding: 1rem;
    }
}

@media (max-width: 576px) {
    .navbar-nav .dropdown-menu {
        position: static !important;
        transform: none !important;
        border: none;
        box-shadow: none;
        background-color: transparent;
    }
    
    .modal-dialog {
        margin: 0.5rem;
    }
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

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

::-webkit-scrollbar-thumb:hover {
    background: #a1a1a1;
}

/* 加载状态样式 */
.loading {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(0, 123, 255, 0.3);
    border-radius: 50%;
    border-top-color: #007bff;
    animation: spin 1s ease-in-out infinite;
}

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

/* 空状态样式 */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: #6c757d;
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h5 {
    margin-bottom: 0.5rem;
    color: #495057;
}

.empty-state p {
    margin-bottom: 1.5rem;
}

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

.tooltip-inner {
    max-width: 200px;
    padding: 0.5rem 0.75rem;
    background-color: #000;
    border-radius: 0.375rem;
}

/* 输入组样式 */
.input-group-text {
    background-color: #f8f9fa;
    border-color: #ced4da;
    color: #495057;
}