/* Admin页面专用样式 */

/* 管理后台头部 */
.admin-header {
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: 100px 0 60px;
    margin-top: 80px;
    text-align: center;
}

.admin-header h1 {
    font-family: 'Oswald', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-white);
}

.admin-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    color: var(--text-white);
}

/* 管理后台主容器 */
.admin-panel {
    background: var(--bg-primary);
    min-height: calc(100vh - 200px);
    padding: 40px 0;
}

.admin-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 标签页导航 */
.admin-tabs {
    display: flex;
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 8px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px var(--shadow-light);
    border: 1px solid var(--border-color);
    overflow-x: auto;
}

.admin-tab {
    flex: 1;
    padding: 15px 20px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    min-width: 150px;
}

.admin-tab:hover {
    background: rgba(44, 62, 80, 0.1);
    color: var(--text-primary);
}

.admin-tab.active {
    background: var(--metal-primary);
    color: var(--text-white);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

/* 标签页内容 */
.admin-tab-content {
    display: none;
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px var(--shadow-light);
    border: 1px solid var(--border-color);
}

.admin-tab-content.active {
    display: block;
}

.admin-section h2 {
    font-family: 'Oswald', sans-serif;
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.admin-section p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* 表格样式 */
.products-table,
.messages-table {
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.products-table table,
.messages-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
}

.products-table th,
.messages-table th {
    background: var(--metal-primary);
    color: var(--text-white);
    padding: 15px 12px;
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.products-table td,
.messages-table td {
    padding: 15px 12px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
}

.products-table tr:hover,
.messages-table tr:hover {
    background: rgba(44, 62, 80, 0.05);
}

.product-image-small {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
    border: 2px solid var(--border-color);
}

/* 按钮样式 */
.btn-edit,
.btn-delete {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-right: 8px;
}

.btn-edit {
    background: var(--metal-accent);
    color: var(--text-white);
}

.btn-edit:hover {
    background: var(--metal-light);
    transform: translateY(-1px);
}

.btn-delete {
    background: #e74c3c;
    color: var(--text-white);
}

.btn-delete:hover {
    background: #c0392b;
    transform: translateY(-1px);
}

/* 表单样式 */
.admin-form {
    max-width: 800px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--metal-primary);
    box-shadow: 0 0 0 3px rgba(44, 62, 80, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: 15px 30px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px var(--shadow-medium);
}

.btn-submit:hover {
    background: var(--gradient-secondary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--shadow-dark);
}

/* 文件上传区域 */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    background: var(--bg-primary);
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--metal-accent);
    background: rgba(44, 62, 80, 0.05);
}

.upload-area i {
    font-size: 3rem;
    color: var(--metal-accent);
    margin-bottom: 20px;
}

.upload-area h3 {
    color: var(--text-primary);
    margin-bottom: 10px;
}

.upload-area p {
    color: var(--text-secondary);
}

/* 设置区域 */
.settings-section {
    background: var(--bg-primary);
    padding: 25px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.settings-section h3 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .admin-header {
        margin-top: 70px;
        padding: 60px 0 40px;
    }
    
    .admin-header h1 {
        font-size: 2.5rem;
    }
    
    .admin-tabs {
        flex-direction: column;
        gap: 5px;
    }
    
    .admin-tab {
        min-width: auto;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .products-table {
        font-size: 0.9rem;
    }
    
    .products-table th,
    .products-table td {
        padding: 10px 8px;
    }
    
    .product-image-small {
        width: 50px;
        height: 50px;
    }
}

@media (max-width: 480px) {
    .admin-content {
        padding: 0 15px;
    }
    
    .admin-tab-content {
        padding: 20px;
    }
    
    .admin-header h1 {
        font-size: 2rem;
    }
    
    .btn-edit,
    .btn-delete {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
}

/* 专业增强效果 */
.admin-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

/* 留言管理样式 */
.messages-controls {
    margin-bottom: 20px;
    background: var(--bg-primary);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.filter-controls {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
    min-width: 150px;
}

.filter-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.filter-group select,
.filter-group input {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--metal-accent);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.btn-refresh {
    background: var(--metal-accent);
    color: var(--text-white);
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

.btn-refresh:hover {
    background: var(--metal-light);
    transform: translateY(-1px);
}

.messages-stats {
    display: flex;
    gap: 20px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.messages-stats span {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.messages-stats span:first-child {
    color: var(--text-primary);
    font-weight: 600;
}

.status-badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.status-badge i {
    font-size: 0.7rem;
}

.status-new {
    background: #e74c3c;
    color: white;
}

.status-read {
    background: #f39c12;
    color: white;
}

.status-replied {
    background: #27ae60;
    color: white;
}

.message-actions {
    display: flex;
    gap: 5px;
}

.btn-view,
.btn-edit,
.btn-delete {
    padding: 6px 8px;
    border: none;
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-view {
    background: var(--metal-accent);
    color: var(--text-white);
}

.btn-edit {
    background: #f39c12;
    color: var(--text-white);
}

.btn-delete {
    background: #e74c3c;
    color: var(--text-white);
}

.btn-view:hover,
.btn-edit:hover,
.btn-delete:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* 消息表格增强样式 */
.message-row {
    transition: background-color 0.3s ease;
}

.message-row:hover {
    background: rgba(52, 152, 219, 0.05);
}

.message-row.message-new {
    background: rgba(231, 76, 60, 0.05);
}

.message-row.message-read {
    background: rgba(46, 204, 113, 0.05);
}

.message-row.message-replied {
    background: rgba(155, 89, 182, 0.05);
}

.message-date {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.message-date .date {
    font-weight: 600;
    color: var(--text-primary);
}

.message-date .time {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.message-name strong {
    color: var(--text-primary);
}

.message-name small {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.message-email a {
    color: var(--metal-accent);
    text-decoration: none;
}

.message-email a:hover {
    text-decoration: underline;
}

.message-subject strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 4px;
}

.message-preview {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.3;
}

/* 消息详情模态框样式 */
.message-modal {
    max-width: 600px;
    width: 90%;
}

.message-details {
    display: grid;
    gap: 20px;
}

.message-info {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.info-row:last-child {
    border-bottom: none;
}

.info-row label {
    font-weight: 600;
    color: var(--text-primary);
    min-width: 100px;
}

.info-row span {
    color: var(--text-secondary);
    text-align: right;
}

.message-content {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.message-content h4 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.message-text {
    color: var(--text-secondary);
    line-height: 1.6;
    white-space: pre-wrap;
    background: var(--bg-primary);
    padding: 15px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.message-actions-modal {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.btn-secondary {
    background: var(--metal-secondary);
    color: var(--text-white);
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--metal-light);
}

/* 消息统计样式 */
#messages-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    padding: 15px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-value {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.stat-value.new-count {
    color: #e74c3c;
}

.stat-value.read-count {
    color: #27ae60;
}

.stat-value.replied-count {
    color: #9b59b6;
}

.messages-loading,
.no-messages {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.no-messages i {
    font-size: 3rem;
    color: var(--metal-accent);
    margin-bottom: 20px;
}

.no-messages h3 {
    color: var(--text-primary);
    margin-bottom: 10px;
}

/* 文件管理样式 */
.file-management {
    display: grid;
    gap: 30px;
}

.file-upload-area {
    background: var(--bg-primary);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.file-upload-area h3 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.file-list {
    background: var(--bg-primary);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.file-list h3 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.file-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.file-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.file-preview {
    position: relative;
    height: 150px;
    overflow: hidden;
}

.file-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.file-info {
    padding: 10px;
    background: var(--bg-primary);
}

.file-name {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
    margin-bottom: 5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-size,
.file-date {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.file-actions {
    display: flex;
    padding: 10px;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

.file-actions button {
    flex: 1;
    padding: 8px;
    border: none;
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 0 2px;
}

.btn-copy {
    background: var(--metal-accent);
    color: var(--text-white);
}

.btn-copy:hover {
    background: var(--metal-light);
}

.btn-delete {
    background: #e74c3c;
    color: var(--text-white);
}

.btn-delete:hover {
    background: #c0392b;
}

.no-files {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px;
    font-style: italic;
}

/* 设置表单样式增强 */
.admin-form h3 {
    color: var(--text-primary);
    margin: 25px 0 15px 0;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--metal-accent);
    font-size: 1.1rem;
}

.admin-form h3:first-child {
    margin-top: 0;
}

/* 留言详情模态框 */
.message-details {
    display: grid;
    gap: 20px;
}

.message-info {
    background: var(--bg-primary);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.message-info p {
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.message-info p:last-child {
    margin-bottom: 0;
}

.message-content {
    background: var(--bg-primary);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.message-content h4 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.message-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    white-space: pre-wrap;
}

/* 加载状态 */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

.loading i {
    font-size: 2rem;
    color: var(--metal-accent);
    animation: spin 1s linear infinite;
}

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

/* 访问统计样式 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-primary);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px var(--shadow-light);
    text-align: center;
    border: 1px solid var(--border-color);
}

.stat-number {
    font-size: 2.5em;
    font-weight: bold;
    color: var(--metal-primary);
    margin-bottom: 10px;
    font-family: 'Oswald', sans-serif;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 1px;
}



.top-pages {
    background: var(--bg-primary);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px var(--shadow-light);
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.top-pages h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 1.2em;
    font-weight: 600;
}

.page-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.page-item:last-child {
    border-bottom: none;
}

.page-name {
    font-weight: 500;
    color: var(--text-primary);
}

.page-visits {
    color: var(--metal-primary);
    font-weight: bold;
    font-size: 1.1em;
}

.analytics-controls {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.analytics-controls .btn {
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.analytics-controls .btn-primary {
    background: var(--metal-primary);
    color: var(--text-white);
}

.analytics-controls .btn-primary:hover {
    background: var(--metal-dark);
    transform: translateY(-2px);
}

.analytics-controls .btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.analytics-controls .btn-secondary:hover {
    background: var(--bg-primary);
    transform: translateY(-2px);
}

/* 访问日志样式 */
.visit-logs {
    background: var(--bg-primary);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px var(--shadow-light);
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.visit-logs h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 1.2em;
    font-weight: 600;
}

.log-item {
    display: grid;
    grid-template-columns: 120px 1fr 120px 150px 80px;
    gap: 15px;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9em;
}

.log-item:last-child {
    border-bottom: none;
}

.log-time {
    color: var(--text-secondary);
    font-family: monospace;
}

.log-page {
    color: var(--text-primary);
    font-weight: 500;
}

.log-ip {
    color: var(--metal-primary);
    font-family: monospace;
    font-weight: 500;
}

.log-region {
    color: var(--text-secondary);
    font-size: 0.9em;
}

.log-status {
    text-align: center;
}

.new-session {
    background: #27ae60;
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.8em;
}

.repeat-session {
    background: #95a5a6;
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.8em;
}