diff --git a/static/app.css b/static/app.css
index 6fdf4a5..8c6b4ad 100644
--- a/static/app.css
+++ b/static/app.css
@@ -197,10 +197,11 @@ body::before {
   display: grid;
   gap: 12px;
   min-height: 240px;
-  padding: 14px;
-  border: 1px solid var(--line);
-  border-radius: 18px;
-  background: linear-gradient(180deg, color-mix(in oklab, var(--panel-strong) 96%, var(--accent-soft)) 0%, var(--panel) 100%);
+  padding: 12px 0 0;
+  border: 0;
+  border-top: 1px solid color-mix(in oklab, var(--line) 92%, var(--panel-strong));
+  border-radius: 0;
+  background: transparent;
 }
 
 .loading-card-wide {
@@ -4801,6 +4802,264 @@ body.auth-page {
   font-family: "IBM Plex Mono", "SFMono-Regular", monospace;
 }
 
+/* Nested surfaces inside a page panel must read as rows/sections, not cards inside cards. */
+.summary-strip {
+  padding: 0;
+  border: 0;
+  background: transparent;
+  box-shadow: none;
+}
+
+.summary-strip::before {
+  content: none;
+}
+
+.panel .panel {
+  padding: 12px 0 0;
+  border: 0;
+  border-top: 1px solid color-mix(in oklab, var(--line) 92%, var(--panel-strong));
+  border-radius: 0;
+  background: transparent;
+  box-shadow: none;
+  overflow: visible;
+}
+
+.panel .panel::before {
+  content: none;
+}
+
+.panel :is(
+  .summary-card,
+  .overview-calm-card,
+  .overview-side-card,
+  .overview-side-hosts,
+  .overview-side-host-chip,
+  .alert-item,
+  .detail-alert-panel,
+  .detail-instance,
+  .detail-log-panel,
+  .matrix-stack,
+  .quiet-host-card,
+  .host-strip,
+  .host-alert-summary,
+  .host-detail-line,
+  .host-service-pill,
+  .infra-focus-card,
+  .infra-mini-card,
+  .nacos-service-card,
+  .mongo-stat-group,
+  .metadata-strip,
+  .compact-workbench-head,
+  .editor-toolbar,
+  .diff-panel,
+  .config-sidebar,
+  .config-group-toggle,
+  .config-item,
+  .config-item-ide,
+  .mysql-sidebar-section,
+  .mongo-sidebar-section,
+  .mysql-overview-card,
+  .mongo-admin-overview-card,
+  .mongo-admin-subpanel,
+  .mongo-action-panel,
+  .mysql-action-panel,
+  .release-service-card,
+  .release-log-entry,
+  .bridge-item,
+  .activity-item,
+  .config-history-list,
+  .table-wrap,
+  .empty-panel,
+  .config-empty,
+  .mysql-query-stack,
+  .mysql-filter-row,
+  .mysql-filter-static,
+  .mysql-checkbox,
+  .mongo-mini-empty
+) {
+  border-radius: 0;
+  box-shadow: none;
+}
+
+.panel :is(
+  .summary-card,
+  .overview-calm-card,
+  .overview-side-card,
+  .overview-side-hosts,
+  .overview-side-host-chip,
+  .alert-item,
+  .detail-alert-panel,
+  .detail-instance,
+  .detail-log-panel,
+  .matrix-stack,
+  .quiet-host-card,
+  .host-strip,
+  .host-alert-summary,
+  .host-detail-line,
+  .host-service-pill,
+  .infra-focus-card,
+  .infra-mini-card,
+  .nacos-service-card,
+  .mongo-stat-group,
+  .compact-workbench-head,
+  .editor-toolbar,
+  .diff-panel,
+  .config-sidebar,
+  .config-group-toggle,
+  .config-item,
+  .config-item-ide,
+  .mysql-sidebar-section,
+  .mongo-sidebar-section,
+  .mysql-overview-card,
+  .mongo-admin-overview-card,
+  .mongo-admin-subpanel,
+  .mongo-action-panel,
+  .mysql-action-panel,
+  .release-service-card,
+  .release-log-entry,
+  .bridge-item,
+  .activity-item,
+  .config-history-list,
+  .table-wrap,
+  .empty-panel,
+  .config-empty,
+  .mysql-query-stack,
+  .mysql-filter-row,
+  .mysql-filter-static,
+  .mysql-checkbox,
+  .mongo-mini-empty
+) {
+  background: transparent;
+}
+
+.panel :is(
+  .summary-card,
+  .overview-calm-card,
+  .overview-side-card,
+  .alert-item,
+  .detail-instance,
+  .overview-side-host-chip,
+  .quiet-host-card,
+  .host-strip,
+  .host-alert-summary,
+  .host-detail-line,
+  .host-service-pill,
+  .infra-focus-card,
+  .infra-mini-card,
+  .nacos-service-card,
+  .mongo-stat-group,
+  .mysql-overview-card,
+  .mongo-admin-overview-card,
+  .mongo-action-panel,
+  .mysql-action-panel,
+  .release-service-card,
+  .release-log-entry,
+  .bridge-item,
+  .activity-item,
+  .config-group-toggle,
+  .config-item,
+  .config-item-ide,
+  .mysql-filter-row,
+  .mysql-checkbox
+) {
+  border: 0;
+  border-bottom: 1px solid color-mix(in oklab, var(--line) 92%, var(--panel-strong));
+}
+
+.panel :is(
+  .metadata-strip,
+  .compact-workbench-head,
+  .editor-toolbar,
+  .diff-panel,
+  .config-sidebar,
+  .config-group-toggle,
+  .config-item,
+  .config-item-ide,
+  .mysql-sidebar-section,
+  .mongo-sidebar-section,
+  .config-history-list,
+  .table-wrap,
+  .empty-panel,
+  .config-empty,
+  .mysql-query-stack,
+  .mysql-filter-static,
+  .mongo-mini-empty
+) {
+  border: 0;
+  border-bottom: 1px solid color-mix(in oklab, var(--line) 92%, var(--panel-strong));
+}
+
+.panel :is(
+  .overview-calm-card,
+  .overview-side-card,
+  .detail-alert-panel,
+  .detail-instance,
+  .matrix-stack,
+  .quiet-host-card,
+  .host-strip,
+  .infra-focus-card,
+  .infra-mini-card,
+  .nacos-service-card,
+  .mongo-action-panel,
+  .mysql-action-panel,
+  .release-service-card,
+  .bridge-item
+)::before {
+  opacity: 0.68;
+}
+
+.panel :is(
+  .release-service-card,
+  .host-strip,
+  .infra-focus-card,
+  .nacos-service-card,
+  .mongo-action-panel,
+  .mysql-action-panel
+) {
+  border-left: 3px solid color-mix(in oklab, currentColor 36%, var(--line));
+}
+
+.panel .release-service-card {
+  border-left-color: var(--release-kind-color);
+}
+
+.panel .release-service-card.selected {
+  background: color-mix(in oklab, var(--accent-soft) 18%, transparent);
+  box-shadow: inset 2px 0 0 color-mix(in oklab, var(--accent) 42%, transparent);
+}
+
+.panel .mongo-danger-panel {
+  border-left-color: color-mix(in oklab, var(--bad) 70%, var(--warn));
+  background: color-mix(in oklab, var(--bad-soft) 18%, transparent);
+}
+
+.panel .table-wrap {
+  scrollbar-gutter: stable;
+}
+
+.panel .config-only-layout > .config-sidebar,
+.panel .database-admin-layout > .config-sidebar {
+  border-right: 1px solid color-mix(in oklab, var(--line) 92%, var(--panel-strong));
+  border-bottom: 0;
+}
+
+.panel .config-group-toggle:hover,
+.panel .config-list-ide .config-item-ide:hover,
+.panel .config-item:hover {
+  background: color-mix(in oklab, var(--accent-soft) 12%, transparent);
+}
+
+.panel .config-list-ide .config-item-ide.active,
+.panel .config-item.active {
+  background: color-mix(in oklab, var(--accent-soft) 34%, transparent);
+  box-shadow: inset 2px 0 0 var(--accent);
+}
+
+.panel .matrix-stack .matrix-scroll {
+  border: 0;
+  border-radius: 0;
+}
+
 @media (max-width: 1320px) {
   .loading-band-grid {
     grid-template-columns: repeat(3, minmax(0, 1fr));