/* 基础样式 */
body {
    font-family: 'Microsoft YaHei', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1400px;
    padding: 20px;
    margin: 0 auto;
}

/* 导航栏样式 */
.navbar {
    background-color: #343a40 !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
    color: #fff !important;
}

/* 卡片样式 */
.card {
    background-color: #fff;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.card-header {
    background-color: #343a40;
    color: #fff;
    border-bottom: 1px solid #dee2e6;
    padding: 15px 20px;
    border-radius: 8px 8px 0 0;
}

.card-body {
    padding: 20px;
}

.card-title {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

/* 按钮样式 */
.btn {
    border-radius: 4px;
    font-weight: 500;
    padding: 8px 16px;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
    color: #fff;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
    color: #fff;
}

.btn-success {
    background-color: #28a745;
    border-color: #28a745;
    color: #fff;
}

.btn-success:hover {
    background-color: #1e7e34;
    border-color: #1e7e34;
    color: #fff;
}

.btn-danger {
    background-color: #dc3545;
    border-color: #dc3545;
    color: #fff;
}

.btn-danger:hover {
    background-color: #c82333;
    border-color: #bd2130;
    color: #fff;
}

.btn-outline-danger {
    color: #dc3545;
    border-color: #dc3545;
    background-color: transparent;
}

.btn-outline-danger:hover {
    background-color: #dc3545;
    border-color: #dc3545;
    color: #fff;
}

.btn-sm {
    padding: 4px 8px;
    font-size: 0.875rem;
}

/* 上传区域样式 */
.upload-area {
    border: 2px dashed #dee2e6;
    border-radius: 8px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    background-color: #f8f9fa;
    transition: border-color 0.2s ease;
}

.upload-area:hover {
    border-color: #007bff;
    background-color: #e9ecef;
}

.upload-icon {
    font-size: 2.5rem;
    color: #6c757d;
    margin-bottom: 10px;
}

.upload-area:hover .upload-icon {
    color: #007bff;
}

/* 表格样式 */
.table {
    margin-bottom: 0;
    background-color: #fff;
}

.table th {
    background-color: #343a40;
    color: #fff;
    border-color: #454d55;
    font-weight: 600;
    padding: 12px;
}

.table td {
    padding: 12px;
    vertical-align: middle;
    border-color: #dee2e6;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: #f8f9fa;
}

.table-hover tbody tr:hover {
    background-color: #e9ecef;
}

.table-bordered {
    border: 1px solid #dee2e6;
}

.table-responsive {
    border-radius: 8px;
    overflow: hidden;
}

/* 列表组样式 */
.list-group-item {
    background-color: #fff;
    border: 1px solid #dee2e6;
    padding: 12px 16px;
    margin-bottom: 2px;
}

.list-group-item:first-child {
    border-top-left-radius: 4px;
    border-top-right-radius: 4px;
}

.list-group-item:last-child {
    border-bottom-left-radius: 4px;
    border-bottom-right-radius: 4px;
    margin-bottom: 0;
}

.list-group-item:hover {
    background-color: #f8f9fa;
}

/* 表单控件样式 */
.form-control, .form-select {
    border: 1px solid #ced4da;
    border-radius: 4px;
    padding: 8px 12px;
    background-color: #fff;
    transition: border-color 0.2s ease;
}

.form-control:focus, .form-select:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
    outline: 0;
}

.form-label {
    font-weight: 500;
    margin-bottom: 8px;
    color: #495057;
}

/* 滑块样式 */
.form-range {
    height: 6px;
    background-color: #dee2e6;
    border-radius: 3px;
    outline: none;
}

.form-range::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: #007bff;
    cursor: pointer;
    border: 2px solid #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.form-range::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: #007bff;
    cursor: pointer;
    border: 2px solid #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* 进度条样式 */
.progress {
    height: 20px;
    background-color: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    background-color: #28a745;
    transition: width 0.3s ease;
}

.progress-bar-striped {
    background-image: linear-gradient(45deg, rgba(255,255,255,.15) 25%, transparent 25%, transparent 50%, rgba(255,255,255,.15) 50%, rgba(255,255,255,.15) 75%, transparent 75%, transparent);
    background-size: 1rem 1rem;
}

.progress-bar-animated {
    animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
    0% { background-position: 1rem 0; }
    100% { background-position: 0 0; }
}

/* 警告框样式 */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-radius: 4px;
}

.alert-info {
    color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-warning {
    color: #856404;
    background-color: #fff3cd;
    border-color: #ffeaa7;
}

/* 工具类 */
.text-center { text-align: center; }
.text-muted { color: #6c757d; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.me-2 { margin-right: 0.5rem; }
.w-100 { width: 100%; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.d-flex { display: flex; }
.d-inline { display: inline; }
.d-none { display: none; }
.justify-content-between { justify-content: space-between; }
.justify-content-center { justify-content: center; }
.align-items-center { align-items: center; }
.gap-2 { gap: 0.5rem; }
.small { font-size: 0.875rem; }

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .card-body {
        padding: 15px;
    }
    
    .upload-area {
        padding: 30px 15px;
    }
    
    .upload-icon {
        font-size: 2rem;
    }
    
    .btn {
        padding: 6px 12px;
        font-size: 0.9rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
}