/* ===== 全局样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB',
        'Microsoft YaHei', sans-serif;
    background: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

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

.login-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 420px;
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    font-size: 28px;
    color: #333;
    margin-bottom: 8px;
}

.login-header p {
    color: #666;
    font-size: 14px;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.login-form input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.3s;
}

.login-form input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.password-input-wrapper {
    position: relative;
}

.show-password-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    padding: 0;
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

/* ===== 后台布局 ===== */
.dashboard-page,
.products-page {
    display: flex;
    min-height: 100vh;
}

/* 侧边栏 */
.sidebar {
    width: 240px;
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: fixed;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 30px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h2 {
    font-size: 20px;
    margin-bottom: 5px;
}

.sidebar-header p {
    font-size: 12px;
    opacity: 0.8;
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    color: white;
    text-decoration: none;
    transition: all 0.3s;
    gap: 12px;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.nav-item.active {
    background: rgba(255, 255, 255, 0.2);
}

.nav-icon {
    font-size: 20px;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.logout-btn {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s;
}

.logout-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* 主内容区 */
.main-content {
    flex: 1;
    margin-left: 240px;
    padding: 30px;
}

.top-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.top-header h1 {
    font-size: 24px;
    color: #333;
}

/* 按钮样式 */
.btn-primary {
    padding: 12px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    padding: 12px 24px;
    background: #f5f5f5;
    color: #666;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: #e0e0e0;
}

.btn-success {
    background: #4caf50;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
}

.btn-warning {
    background: #ff9800;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
}

.btn-danger {
    background: #f44336;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
}

.btn-info {
    background: #2196f3;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
}

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

/* 统计卡片 */
.stats-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 24px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.stat-icon.blue {
    background: #e3f2fd;
}

.stat-icon.green {
    background: #e8f5e9;
}

.stat-icon.orange {
    background: #fff3e0;
}

.stat-info h3 {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 5px;
}

.stat-info p {
    font-size: 14px;
    color: #999;
}

/* 数据表格 */
.data-table {
    width: 100%;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.data-table thead {
    background: #f8f9fa;
}

.data-table th {
    padding: 15px 20px;
    text-align: left;
    font-weight: 600;
    color: #333;
    font-size: 14px;
}

.data-table td {
    padding: 15px 20px;
    border-top: 1px solid #f0f0f0;
    font-size: 14px;
}

.data-table tbody tr:hover {
    background: #fafbfc;
}

.product-name-cell {
    display: flex;
    align-items: center;
    gap: 12px;
}

.product-thumb {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 6px;
}

.status-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.status-badge.online {
    background: #e8f5e9;
    color: #2e7d32;
}

.status-badge.offline {
    background: #ffebee;
    color: #c62828;
}

.action-buttons {
    display: flex;
    gap: 8px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 30px;
}

.pagination button {
    padding: 10px 20px;
    background: white;
    border: 1px solid #ddd;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
}

.pagination button:hover:not(:disabled) {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-info {
    font-size: 14px;
    color: #666;
}

/* 筛选栏 */
.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.search-box {
    display: flex;
    gap: 10px;
    flex: 1;
    max-width: 400px;
}

.search-box input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
}

.search-box button {
    padding: 10px 20px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

.filter-group select {
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    min-width: 150px;
}

/* 弹窗样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow: auto;
}

.modal-content.modal-xl {
    max-width: 900px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid #f0f0f0;
}

.modal-header h3 {
    font-size: 18px;
    color: #333;
}

.close-btn {
    background: none;
    border: none;
    font-size: 28px;
    color: #999;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

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

.modal-body {
    padding: 24px;
    max-height: calc(90vh - 140px);
    overflow-y: auto;
}

.modal-footer {
    padding: 20px 24px;
    border-top: 1px solid #f0f0f0;
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: #333;
    font-weight: 500;
}

.required {
    color: #f44336;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-hint {
    font-size: 12px;
    color: #999;
    margin-top: 5px;
}

.radio-group {
    display: flex;
    gap: 20px;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: normal;
}

/* 空状态 */
.empty-state,
.loading-state {
    text-align: center;
    padding: 60px 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.empty-state p,
.loading-state p {
    font-size: 16px;
    color: #999;
    margin-bottom: 20px;
}

/* ===== 图片上传样式 ===== */

/* 主图上传区域 */
.image-upload-section {
    position: relative;
    border: 2px dashed #ddd;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    background: #fafbfc;
    transition: all 0.3s;
    cursor: pointer;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-upload-section:hover {
    border-color: #667eea;
    background: #f8f9ff;
}

.uploaded-image {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.uploaded-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.remove-image-btn {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #f44336;
    color: white;
    border: 2px solid white;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.remove-image-btn:hover {
    background: #d32f2f;
    transform: scale(1.1);
}

.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.upload-icon {
    font-size: 48px;
    opacity: 0.6;
}

.upload-text {
    font-size: 16px;
    color: #667eea;
    font-weight: 500;
}

.upload-hint {
    font-size: 12px;
    color: #999;
}

.file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* 服务组图上传区域 */
.content-images-section {
    margin-top: 10px;
}

.content-images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 15px;
    margin-bottom: 10px;
}

.uploaded-content-image {
    position: relative;
    aspect-ratio: 1;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.uploaded-content-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.uploaded-content-image .remove-image-btn {
    top: 5px;
    right: 5px;
    width: 24px;
    height: 24px;
    font-size: 14px;
}

.upload-placeholder-small {
    position: relative;
    aspect-ratio: 1;
    border: 2px dashed #ddd;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #fafbfc;
    transition: all 0.3s;
    cursor: pointer;
}

.upload-placeholder-small:hover {
    border-color: #667eea;
    background: #f8f9ff;
}

.upload-icon-small {
    font-size: 28px;
    opacity: 0.6;
}

.upload-text-small {
    font-size: 12px;
    color: #667eea;
    font-weight: 500;
}

.file-input-small {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .image-upload-section {
        padding: 20px;
        min-height: 150px;
    }

    .content-images-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }

    .upload-icon {
        font-size: 36px;
    }

    .upload-text {
        font-size: 14px;
    }
}