/*

pages.css 文件是页面样式文件，包含特定页面的样式，如：
Status 状态页面
Upstreams 上游管理页面
Servers 服务器管理页面
Logs 日志分析页面
Reports 报告页面
Settings 设置页面
各页面的响应式设计

*/

/* Status 页面样式 */
.status-page {
    max-width: 1400px;
    margin: 0 auto;
}

.status-overview {
    display: grid;
    grid-template-columns: repeat(5, minmax(180px, 1fr));
    gap: 1.2rem;
    margin-bottom: 2rem;
}

/* 图表网格 */
.charts-grid {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: repeat(3, 1fr);
    gap: 1rem;
    width: 100%;
}

/* Upstreams页面样式 */
.upstreams-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
        gap: 1rem;
        margin-top: 0.2rem;
}

.upstream-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 0.2rem 0.1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.upstream-card.disabled {
    background-color: #f8fafc;
    opacity: 0.6;
    filter: grayscale(90%);
    box-shadow: none;
    border-color: #e5e7eb;
    position: relative;
        z-index: 1;
}

.upstream-card.disabled:hover {
    transform: none;
    box-shadow: none;
    z-index: 100;
}

.upstream-card.disabled .upstream-title h3 {
    color: #9ca3af;
}

.upstream-card.disabled .dropdown {
    z-index: 5001;
}

.upstream-card.disabled:hover .dropdown {
    z-index: 5002;
}

.upstream-card.disabled .dropdown-menu {
    z-index: 10000 !important;
}
.upstream-card:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.upstream-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid #edf2f7;
}

.upstream-title {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding-left: 0.5rem;
}

.upstream-title h3 {
    margin: 0;
    color: #2d3748;
    font-size: 1.1rem;
    font-weight: 600;
}

.upstream-status {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.upstream-status .checker-status {
    margin-left: 0.5rem;
}

.checker-status {
    padding: 0.2rem 0.8rem;
    background: transparent;
    color: #e53e3e;
    font-size: 0.8rem;
    border-radius: 16px;
    font-weight: 500;
    letter-spacing: 0.5px;
    border: 1px solid #e53e3e;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 28px;
    cursor: pointer;
    transition: background 0.2s, color 0.2s, box-shadow 0.2s, border-color 0.2s;
    position: relative;
    overflow: hidden;
}

.checker-status:hover {
    background: linear-gradient(90deg, #ffe5e5 0%, #ffd6d6 100%);
    color: #b91c1c;
    border-color: #b91c1c;
    box-shadow: 0 2px 8px rgba(229, 62, 62, 0.08);
}

.checker-status.checking {
    color: #38a169;
    border-color: #38a169;
    background: linear-gradient(90deg, #f0fff4 0%, #e6fffa 100%);
}

.checker-status.checking:hover {
    background: linear-gradient(90deg, #e6fffa 0%, #d1f2eb 100%);
    color: #2f855a;
    border-color: #2f855a;
    box-shadow: 0 2px 8px rgba(56, 161, 105, 0.08);
}

@keyframes pulse-warning {
    0% {
        box-shadow: 0 2px 8px rgba(245, 101, 101, 0.3);
    }

    50% {
        box-shadow: 0 4px 16px rgba(245, 101, 101, 0.5);
        transform: translateY(-1px);
    }

    100% {
        box-shadow: 0 2px 8px rgba(245, 101, 101, 0.3);
    }
}

.upstream-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.2rem;
}

.edit-upstream-btn {
    background: transparent;
    color: #4a5568;
    border: 1px solid #e2e8f0;
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
}

.edit-upstream-btn:hover {
    background: #f7fafc;
    border-color: #cbd5e0;
    color: #2d3748;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.delete-upstream-btn {
    background: transparent;
    color: #e53e3e;
    border: 1px solid #e53e3e;
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
}

.delete-upstream-btn:hover {
    background: #e53e3e;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(229, 62, 62, 0.3);
}

.last-update-time {
    color: #718096;
    font-size: 0.8rem;
    padding: 0.2rem 0;
}

/* Action bar 样式 */
.action-bar {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    width: 100%;
    margin-bottom: 1rem;
    gap: 2rem;
}

.add-upstream-btn {
    background: linear-gradient(135deg, #38a169 0%, #2f855a 100%);
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(56, 161, 105, 0.3);
}

.add-upstream-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(56, 161, 105, 0.4);
}

.add-upstream-btn span:first-child {
    font-size: 1.2rem;
    font-weight: 700;
}

.show-upstream-conf-btn {
    background: linear-gradient(135deg, #4299e1 0%, #667eea 100%);
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(66, 153, 225, 0.18);
    margin-left: 1rem;
}

.show-upstream-conf-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(66, 153, 225, 0.28);
    background: linear-gradient(135deg, #3182ce 0%, #5a67d8 100%);
}

.show-upstream-conf-btn span:first-child {
    font-size: 1.2rem;
    font-weight: 700;
}

/* Add Server Button */
.add-server-btn {
    background: linear-gradient(135deg, #4299e1, #3182ce);
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(66, 153, 225, 0.18);
}

.add-server-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(66, 153, 225, 0.28);
    background: linear-gradient(135deg, #3182ce, #2c5282);
}

.add-server-btn span:first-child {
    font-size: 1.2rem;
    font-weight: 700;
}

/* Delete Server Button */
.delete-server-btn {
    background: none;
    color: #e53e3e;
    border: none;
    cursor: pointer;
    margin-left: 0.5rem;
    font-size: 1.2rem;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    display: inline-block;
    text-align: center;
    width: 28px;
    height: 28px;
    line-height: 22px;
    vertical-align: middle;
}

.delete-server-btn:hover {
    background: rgba(229, 62, 62, 0.1);
}

/* New Server Row */
.new-server-row {
    background-color: #f8fafc;
}

.server-table tfoot {
    outline: 2px dashed #cbd5e0;
    outline-offset: -1px;
    display: table-row-group;
}

.new-server-row td {
    border: none;
    padding: 0.75rem 0.5rem;
}

.new-server-row .server-input,
.new-server-row .weight-input {
    border: 1px solid #e2e8f0;
    border-radius: 4px;
    padding: 0.3rem 0.5rem;
    width: 100%;
    max-width: 140px;
}

.new-server-row .server-input {
    max-width: 180px;
}

.new-server-row .add-server-btn {
    background: none;
    color: #38a169;
    border: none;
    cursor: pointer;
    margin-left: 0.5rem;
    font-size: 1.2rem;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    display: inline-block;
    text-align: center;
    width: 28px;
    height: 28px;
    line-height: 22px;
    vertical-align: middle;
}

.new-server-row .add-server-btn:hover {
    background: rgba(56, 161, 105, 0.1);
}

/* 服务器管理页面样式 */
.servers-page {
    padding: 1rem;
}

.status-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.create-server-card {
    background: linear-gradient(135deg, #6b7280, #4b5563);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.create-server-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(75, 85, 99, 0.4);
    background: linear-gradient(135deg, #4b5563, #374151);
}

.servers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.server-card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 1rem 1rem 1rem 1.2rem;
    transition: all 0.3s ease;
    border-left: 12px solid #e2e8f0;
    position: relative;
    overflow: hidden;
}

.server-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.server-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 12px;
    background-color: inherit;
    opacity: 0.1;
}

.server-card.status-enabled {
    border-left-color: #10b981;
}

.server-card.status-enabled::before {
    background-color: #10b981;
}

.server-card.status-disabled {
    border-left-color: #f59e0b;
}

.server-card.status-disabled::before {
    background-color: #f59e0b;
}

.server-card.status-backup {
    border-left-color: #6366f1;
}

.server-card.status-backup::before {
    background-color: #6366f1;
}

.server-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.server-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.server-title h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e293b;
}

.server-status-badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    text-transform: uppercase;
    color: white;
}

.server-status-badge.enabled {
    background-color: #10b981;
}

.server-status-badge.disabled {
    background-color: #f59e0b;
}

.server-status-badge.backup {
    background-color: #6366f1;
}

.modal-status-badge {
    position: absolute;
    right: 3rem;
    top: 1.25rem;
}

.server-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.action-btn {
    font-size: 0.8rem;
    padding: 0.35rem 0.6rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
}

.test-btn {
    background-color: #4299e1;
    border-color: #3182ce;
}

.test-btn:hover {
    background-color: #3182ce;
}

.modal-footer .test-btn {
    margin-right: 10px;
}

.enable-btn {
    background-color: #48bb78;
    border-color: #38a169;
}

.enable-btn:hover {
    background-color: #059669;
}

.disable-btn {
    background-color: #f59e0b;
    color: white;
}

.disable-btn:hover {
    background-color: #d97706;
}

.view-btn {
    background-color: #3b82f6;
    color: white;
}

.view-btn:hover {
    background-color: #2563eb;
}

.edit-btn {
    background-color: #8b5cf6;
    color: white;
}

.edit-btn:hover {
    background-color: #7c3aed;
}

.delete-btn {
    background-color: #ef4444;
    color: white;
}

.delete-btn:hover {
    background-color: #dc2626;
}

.server-details {
    margin-top: 1rem;
}

.server-info {
    font-size: 0.9rem;
}

.info-row {
    display: flex;
    margin-bottom: 0.5rem;
    color: #4b5563;
}

.info-label {
    font-weight: 500;
    width: 110px;
    flex-shrink: 0;
}

.info-value {
    color: #1e293b;
    word-break: break-word;
}

.server-actions-bar {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.server-config-preview {
    background-color: #f8fafc;
    border-radius: 6px;
    padding: 1rem;
    font-family: monospace;
    font-size: 0.9rem;
    white-space: pre-wrap;
    overflow-x: auto;
    color: #334155;
    max-height: 60vh;
    overflow-y: auto;
    border: 1px solid #e2e8f0;
}

.create-server-content {
    text-align: center;
}

.create-server-icon {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    display: block;
}

.create-server-content h3 {
    margin: 0 0 0.5rem;
    font-size: 1.25rem;
}

.create-server-content p {
    margin: 0;
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Dynamic server styles */
.dynamic-server {
    background-color: rgba(241, 245, 249, 0.7);
    font-style: italic;
}

.dynamic-label {
    font-size: 0.8rem;
    color: #64748b;
    font-style: italic;
    background-color: #e2e8f0;
    border-radius: 4px;
    padding: 1px 5px;
    margin-left: 5px;
    display: inline-block;
    font-weight: normal;
}

/* 日志分析页面样式 */
.logs-page {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.logs-container {
    display: flex;
    flex: 1;
    margin: 1rem 0;
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    overflow: hidden;
    background-color: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* 左侧文件列表 */
.logs-sidebar {
    width: 300px;
    border-right: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    background-color: #f8fafc;
}

.logs-sidebar-header {
    padding: 1rem;
    border-bottom: 1px solid #e2e8f0;
    background-color: #f1f5f9;
}

.logs-sidebar-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: #334155;
}

.logs-file-list {
    list-style: none;
    padding: 0;
    margin: 0;
    overflow-y: auto;
    flex: 1;
}

.logs-file-list li {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #e2e8f0;
    cursor: pointer;
    transition: background-color 0.2s;
}

.logs-file-list li:hover {
    background-color: #f1f5f9;
}

.logs-file-list li.active {
    background-color: #e0f2fe;
    border-left: 3px solid #3b82f6;
}

.log-file-name {
    font-weight: 500;
    margin-bottom: 0.25rem;
    color: #334155;
    word-break: break-all;
}

.log-file-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: #64748b;
}

/* 右侧内容区域 */
.logs-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.logs-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #64748b;
    padding: 2rem;
}

.logs-placeholder-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.logs-viewer {
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* 工具栏 */
.logs-toolbar {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem;
    border-bottom: 1px solid #e2e8f0;
    background-color: #f8fafc;
}

.logs-search {
    display: flex;
    gap: 0.5rem;
    flex: 1;
}

.logs-search input {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid #cbd5e1;
    border-radius: 0.25rem;
    font-size: 0.9rem;
}

.logs-search button {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.2s;
}

.logs-search .search-btn {
    background-color: #3b82f6;
    color: white;
}

.logs-search .search-btn:hover {
    background-color: #2563eb;
}

.logs-search .clear-btn {
    background-color: #e2e8f0;
    color: #334155;
}

.logs-search .clear-btn:hover {
    background-color: #cbd5e1;
}

.logs-content-view {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem;
    background-color: #1e293b;
    color: #f8fafc;
    font-family: 'Fira Code', monospace;
}

.logs-content-lines {
    white-space: pre-wrap;
    word-break: break-all;
    font-size: 0.9rem;
    line-height: 1.5;
}

.log-line {
    margin: 0;
    padding: 0.25rem 0.5rem;
    border-bottom: 1px solid #334155;
}

/* 分页控件 */
.logs-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    border-top: 1px solid #e2e8f0;
    background-color: #f8fafc;
}

.pagination-btn {
    padding: 0.5rem 0.75rem;
    border: 1px solid #cbd5e1;
    border-radius: 0.25rem;
    background-color: white;
    cursor: pointer;
    transition: background-color 0.2s;
}

.pagination-btn:hover:not(:disabled) {
    background-color: #f1f5f9;
}

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

.pagination-info {
    font-size: 0.9rem;
    color: #64748b;
}

/* 实时分析状态 */
.realtime-status-section,
.recent-reports-section {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 0.5rem;
    background-color: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.realtime-status-section h3,
.recent-reports-section h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: #334155;
    font-size: 1.2rem;
}

.realtime-status-list,
.recent-reports-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.realtime-status-item,
.recent-report-item {
    padding: 1rem;
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    background-color: #f8fafc;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.realtime-status-info,
.report-info {
    flex: 1;
}

.realtime-file,
.report-file {
    font-weight: 500;
    margin-bottom: 0.25rem;
    color: #334155;
}

.realtime-uptime,
.report-time {
    font-size: 0.8rem;
    color: #64748b;
}

.realtime-status-actions,
.report-actions {
    display: flex;
    gap: 0.5rem;
}

.view-report-btn {
    padding: 0.5rem 1rem;
    background-color: #3b82f6;
    color: white;
    border: none;
    border-radius: 0.25rem;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.9rem;
    transition: background-color 0.2s;
}

.view-report-btn:hover {
    background-color: #2563eb;
}

.stop-btn {
    padding: 0.5rem 1rem;
    background-color: #ef4444;
    color: white;
    border: none;
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.2s;
}

.stop-btn:hover {
    background-color: #dc2626;
}

/* 报告页面样式 */
.reports-page {
    padding: 20px;
}

.grouped-reports-section {
    margin-top: 20px;
}

.global-actions {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.report-group {
    margin-bottom: 15px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
}

.report-group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    background-color: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    cursor: pointer;
}

.report-group-header:hover {
    background-color: #f1f5f9;
}

.group-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.group-toggle {
    font-size: 12px;
    color: #64748b;
}

.group-name {
    font-size: 16px;
    color: #1e293b;
}

.group-count {
    font-size: 14px;
    color: #64748b;
}

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

.btn-sm {
    padding: 4px 8px;
    font-size: 12px;
}

.report-group-content {
    background-color: #fff;
    padding-left: 20px;
}

.report-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    border-bottom: 1px solid #e2e8f0;
    position: relative;
}

.report-item:before {
    content: '';
    position: absolute;
    left: -10px;
    top: 0;
    height: 100%;
    width: 2px;
    background-color: #e2e8f0;
}

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

.report-item:last-child:before {
    height: 50%;
}

.report-name {
    font-size: 14px;
    font-weight: 500;
    color: #334155;
}

.report-iframe {
    width: 100%;
    height: 500px;
    border: none;
}

/* 设置页面样式 */
.settings-card {
    background-color: var(--card-background);
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.settings-card h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
    color: var(--text-color);
}

.settings-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.settings-form {
    margin-top: 1.5rem;
}

.form-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 0.5rem;
}

#logs-dir,
#reports-dir {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    background-color: var(--input-background);
    color: var(--text-color);
    font-family: var(--font-mono);
    transition: border-color 0.2s;
}

#logs-dir:focus,
#reports-dir:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

/* 服务器表格操作列样式 */
.server-table .status-cell {
    text-align: right;
    width: 80px;
    min-width: 80px;
}

.server-table .action-cell {
    text-align: right;
    width: 120px;
    min-width: 120px;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 8px;
}

.server-table .action-cell .toggle-switch {
    flex-shrink: 0;
    width: 40px;
    height: 20px;
}

.server-table .action-cell .delete-server-btn {
    flex-shrink: 0;
    width: 40px;
    height: 20px;
    color: #e53e3e;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    line-height: 18px;
    text-align: center;
    transition: background-color 0.2s;
}

.server-table .action-cell .delete-server-btn:hover {
    background: #ca9a9a;
}
/* 响应式设计 */
@media (max-width: 1200px) {
    .upstreams-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    }

    .servers-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 900px) {
    .upstreams-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .upstreams-grid {
            grid-template-columns: 1fr;
            gap: 0.8rem;
        }
    .logs-container {
        flex-direction: column;
    }

    .logs-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #e2e8f0;
        max-height: 300px;
    }

    .logs-toolbar {
        flex-direction: column;
        gap: 0.5rem;
    }

    .servers-grid {
        grid-template-columns: 1fr;
    }

    .status-summary {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }

    .realtime-status-list,
    .recent-reports-list {
        grid-template-columns: 1fr;
    }

    .status-overview {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-bottom: 1.5rem;
    }

    .status-card {
        padding: 1rem;
    }

    .status-value {
        font-size: 1.6rem;
    }

    .charts-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }

    .chart-container {
        height: 250px;
        padding: 1rem;
    }

    .chart-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.8rem;
        margin-bottom: 0.8rem;
    }

    .chart-container h3 {
        font-size: 1rem;
    }

    .chart-legend {
        gap: 1rem;
        flex-wrap: wrap;
    }

    .legend-item {
        font-size: 0.8rem;
    }

    .controls-content-vertical {
        gap: 0.3rem;
    }

    .controls-row {
        flex-direction: column;
        gap: 0.5rem;
        align-items: stretch;
    }
}

@media (max-width: 600px) {
    .upstream-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .server-table th,
    .server-table td {
        padding: 0.4rem 0.5rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .status-overview {
        grid-template-columns: 1fr;
    }

    .charts-grid {
        gap: 1rem;
    }

    .chart-container {
        padding: 1rem;
    }
}