/* 通用样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
    font-size: 14px;
    color: #333;
    background-color: #f5f5f5;
    line-height: 1.6;
}

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

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

.card-header {
    border-bottom: 2px solid #1890ff;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.card-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: #1890ff;
}

.card-body {
    padding: 10px 0;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 8px 16px;
    font-size: 14px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    text-align: center;
}

.btn-primary {
    background-color: #1890ff;
    color: #fff;
}

.btn-primary:hover {
    background-color: #40a9ff;
}

.btn-success {
    background-color: #52c41a;
    color: #fff;
}

.btn-success:hover {
    background-color: #73d13d;
}

.btn-danger {
    background-color: #f5222d;
    color: #fff;
}

.btn-danger:hover {
    background-color: #ff4d4f;
}

.btn-warning {
    background-color: #faad14;
    color: #fff;
}

.btn-warning:hover {
    background-color: #ffc53d;
}

.btn-info {
    background-color: #13c2c2;
    color: #fff;
}

.btn-info:hover {
    background-color: #36cfc9;
}

.btn-secondary {
    background-color: #d9d9d9;
    color: #333;
}

.btn-secondary:hover {
    background-color: #bfbfbf;
}

/* 表单样式 */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #555;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1890ff;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: flex;
    gap: 15px;
}

.form-row .form-group {
    flex: 1;
}

/* 表格样式 */
.table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e8e8e8;
}

.table th {
    background-color: #fafafa;
    font-weight: 600;
    color: #333;
}

.table tr:hover {
    background-color: #f5f5f5;
}

.table-actions {
    display: flex;
    gap: 8px;
}

.table-actions button {
    padding: 4px 12px;
    font-size: 12px;
}

/* 状态标签 */
.badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 12px;
    border-radius: 4px;
    font-weight: 500;
}

.badge-success {
    background-color: #f6ffed;
    color: #52c41a;
    border: 1px solid #b7eb8f;
}

.badge-warning {
    background-color: #fffbe6;
    color: #faad14;
    border: 1px solid #ffe58f;
}

.badge-danger {
    background-color: #fff1f0;
    color: #f5222d;
    border: 1px solid #ffa39e;
}

.badge-info {
    background-color: #e6f7ff;
    color: #1890ff;
    border: 1px solid #91d5ff;
}

.badge-secondary {
    background-color: #fafafa;
    color: #595959;
    border: 1px solid #d9d9d9;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    overflow-y: auto;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: #fff;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid #e8e8e8;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #999;
}

.modal-close:hover {
    color: #333;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 12px 20px;
    border-top: 1px solid #e8e8e8;
    text-align: right;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* 警告框 */
.alert {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 15px;
}

.alert-success {
    background-color: #f6ffed;
    color: #52c41a;
    border: 1px solid #b7eb8f;
}

.alert-error {
    background-color: #fff1f0;
    color: #f5222d;
    border: 1px solid #ffa39e;
}

.alert-warning {
    background-color: #fffbe6;
    color: #faad14;
    border: 1px solid #ffe58f;
}

.alert-info {
    background-color: #e6f7ff;
    color: #1890ff;
    border: 1px solid #91d5ff;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #1890ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 40px;
    color: #999;
}

.empty-state img {
    width: 120px;
    margin-bottom: 20px;
    opacity: 0.5;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .form-row {
        flex-direction: column;
    }

    .table {
        font-size: 12px;
    }

    .table th,
    .table td {
        padding: 8px;
    }
}