/* 开放平台样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

a {
    color: #409eff;
    text-decoration: none;
}

a:hover {
    color: #66b1ff;
}

/* 导航栏 */
.navbar {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    padding: 0 20px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .logo {
    font-size: 20px;
    font-weight: 600;
    color: #303133;
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar .logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #409eff, #66b1ff);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: bold;
}

.navbar .nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
}

.navbar .nav-links a {
    color: #606266;
    font-size: 14px;
}

.navbar .nav-links a:hover,
.navbar .nav-links a.active {
    color: #409eff;
}

.navbar .user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.navbar .user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #409eff;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 20px;
}

/* 登录注册页面 */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.auth-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    padding: 40px;
    width: 100%;
    max-width: 420px;
}

.auth-card .auth-title {
    text-align: center;
    margin-bottom: 32px;
}

.auth-card .auth-title h2 {
    font-size: 24px;
    color: #303133;
    margin-bottom: 8px;
}

.auth-card .auth-title p {
    color: #909399;
    font-size: 14px;
}

/* 表单 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: #606266;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #dcdfe6;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #409eff;
}

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

.form-group .form-tip {
    font-size: 12px;
    color: #909399;
    margin-top: 4px;
}

/* 按钮 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.btn-primary {
    background: #409eff;
    color: #fff;
}

.btn-primary:hover {
    background: #66b1ff;
    color: #fff;
}

.btn-success {
    background: #67c23a;
    color: #fff;
}

.btn-success:hover {
    background: #85ce61;
    color: #fff;
}

.btn-danger {
    background: #f56c6c;
    color: #fff;
}

.btn-danger:hover {
    background: #f78989;
    color: #fff;
}

.btn-default {
    background: #fff;
    color: #606266;
    border: 1px solid #dcdfe6;
}

.btn-default:hover {
    color: #409eff;
    border-color: #409eff;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

/* 提示消息 */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-success {
    background: #f0f9eb;
    color: #67c23a;
    border: 1px solid #e1f3d8;
}

.alert-error {
    background: #fef0f0;
    color: #f56c6c;
    border: 1px solid #fde2e2;
}

.alert-info {
    background: #ecf5ff;
    color: #409eff;
    border: 1px solid #d9ecff;
}

.alert-warning {
    background: #fdf6ec;
    color: #e6a23c;
    border: 1px solid #faecd8;
}

/* 卡片 */
.card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    padding: 24px;
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid #ebeef5;
}

.card-header h3 {
    font-size: 18px;
    color: #303133;
}

/* 表格 */
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.table th,
.table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid #ebeef5;
}

.table th {
    background: #fafafa;
    color: #606266;
    font-weight: 500;
}

.table tr:hover {
    background: #f5f7fa;
}

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

.tag-success {
    background: #f0f9eb;
    color: #67c23a;
}

.tag-danger {
    background: #fef0f0;
    color: #f56c6c;
}

.tag-info {
    background: #ecf5ff;
    color: #409eff;
}

.tag-warning {
    background: #fdf6ec;
    color: #e6a23c;
}

/* 页脚 */
.footer {
    text-align: center;
    padding: 24px;
    color: #909399;
    font-size: 13px;
    border-top: 1px solid #ebeef5;
    margin-top: 40px;
}

/* 仪表盘统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: #fff;
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.stat-card .stat-label {
    color: #909399;
    font-size: 14px;
    margin-bottom: 8px;
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 600;
    color: #303133;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #909399;
}

.empty-state .empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.empty-state p {
    margin-bottom: 16px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.pagination a,
.pagination span {
    padding: 6px 12px;
    border: 1px solid #dcdfe6;
    border-radius: 4px;
    font-size: 14px;
    color: #606266;
}

.pagination a:hover {
    color: #409eff;
    border-color: #409eff;
}

.pagination .active {
    background: #409eff;
    color: #fff;
    border-color: #409eff;
}

.pagination .disabled {
    color: #c0c4cc;
    cursor: not-allowed;
}

/* 响应式 */
@media (max-width: 768px) {
    .navbar .nav-links {
        display: none;
    }
    .auth-card {
        padding: 24px;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
}