:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #17202a;
  background: #f4f6f8;
  font-size: 14px;
  line-height: 1.45;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: #f4f6f8; }
a { color: #1769aa; text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select { font: inherit; }

.app-shell { display: grid; grid-template-columns: 216px minmax(0, 1fr); min-height: 100vh; }
.sidebar { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; background: #18222d; color: #fff; }
.brand { padding: 22px 20px 18px; border-bottom: 1px solid #34404b; }
.brand strong, .brand span { display: block; }
.brand strong { font-size: 16px; }
.brand span { margin-top: 3px; color: #aab6c2; font-size: 12px; }
.primary-nav { flex: 1; min-height: 0; overflow-y: auto; padding: 12px 0; }
.brand, .sidebar-user { flex-shrink: 0; }
.nav-group { margin-bottom: 8px; }
.nav-group summary { padding: 7px 16px; color: #aab6c2; font-size: 12px; cursor: pointer; }
.nav-group summary:focus-visible { outline: 2px solid #8dc6e9; outline-offset: -2px; }
.nav-group-links a { padding-left: 24px; }
.primary-nav a, .primary-nav span { display: block; min-height: 38px; padding: 9px 20px; color: #d8e0e7; }
.primary-nav a:hover { background: #263441; text-decoration: none; }
.primary-nav .active { background: #1769aa; color: #fff; box-shadow: inset 3px 0 #59b4e8; }
.primary-nav .nav-disabled { color: #71808d; }
.sidebar-user { margin-top: auto; padding: 16px 20px; border-top: 1px solid #34404b; }
.sidebar-user strong, .sidebar-user span { display: block; }
.sidebar-user span { color: #aab6c2; font-size: 12px; }
.sidebar-user form { margin-top: 8px; }
.link-button { padding: 0; border: 0; background: transparent; color: #8ecbf0; cursor: pointer; }
.main-content { min-width: 0; padding: 26px 30px 60px; }
.page-header { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.page-header > div:first-child { min-width: 0; overflow-wrap: anywhere; }
.page-header .primary-button, .page-header .secondary-button, .page-header .danger-button { flex-shrink: 0; white-space: nowrap; }
.page-header h1 { margin: 0; font-size: 24px; font-weight: 650; letter-spacing: 0; }
.page-header p { margin: 4px 0 0; color: #65727e; }
.page-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.device-header .page-actions { flex-wrap: wrap; align-items: center; }
.device-header .secondary-button:active { background: #e7f1f8; }
.device-runtime-summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0; padding: 12px 16px; gap: 12px; }
.device-runtime-summary dt { color: #687581; font-size: 12px; }
.device-runtime-summary dd { margin: 4px 0 0; overflow-wrap: anywhere; }
.device-runtime-summary small { display: block; color: #687581; }
.device-business-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid #e5e9ed; }
.device-business-row h3 { margin: 0 0 4px; font-size: 14px; }
.device-business-row p { margin: 3px 0 0; overflow-wrap: anywhere; }
.device-business-note { color: #687581; font-size: 12px; }
.device-business-row a { white-space: nowrap; }
.device-technical { margin-top: 18px; border-top: 1px solid #d8dee4; }
.device-technical > summary { padding: 12px 0; color: #53616d; cursor: pointer; }
.device-technical > .content-section, .device-technical > .detail-grid { margin-top: 0; }
.device-technical .split-table > div { min-width: 0; overflow-x: auto; }
.activation-summary small { display: block; color: #687581; }
.activation-summary-link { margin: 8px 16px 12px; }
.activation-failure { margin: 12px 16px; overflow-wrap: anywhere; }
.activation-failure p { margin: 5px 0; }
.activation-steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; margin: 0; padding: 12px 16px; list-style-position: inside; }
.activation-steps li { min-width: 0; overflow-wrap: anywhere; padding-left: 8px; border-left: 2px solid #d8dee4; }
.activation-steps h3, .activation-evidence-grid h3 { font-size: 14px; margin: 5px 0; }
.activation-steps p, .activation-evidence-grid p { margin: 5px 0; }
.activation-steps small, .activation-evidence-grid small { color: #687581; font-size: 12px; }
.activation-evidence-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 20px; padding: 0 16px; }
.activation-evidence-grid > div { min-width: 0; overflow-wrap: anywhere; padding: 12px 0; border-bottom: 1px solid #e5e9ed; }
.activation-evidence-grid dl { margin: 5px 0; }
.activation-evidence-grid dt { font-size: 12px; color: #687581; }
.activation-evidence-grid dd { margin: 3px 0 8px; }
.activation-technical { margin-top: 18px; border-top: 1px solid #d8dee4; min-width: 0; }
.activation-technical > summary { padding: 12px 0; color: #53616d; cursor: pointer; }
.activation-technical > .content-section, .activation-technical > .detail-grid { margin-top: 0; }
.upgrade-version-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; padding: 12px 16px; }
.upgrade-version-grid > div { min-width: 0; overflow-wrap: anywhere; }
.upgrade-version-grid h2 { font-size: 14px; margin: 0 0 8px; }
.upgrade-version-grid p { margin: 6px 0; }
.upgrade-version-grid small { display: block; color: #687581; margin-bottom: 6px; }
.upgrade-next-step, .upgrade-failure { margin: 12px 16px; overflow-wrap: anywhere; }
.upgrade-failure p { margin: 5px 0; }
.upgrade-technical { min-width: 0; margin-top: 18px; border-top: 1px solid #d8dee4; }
.upgrade-technical > summary { padding: 12px 0; color: #53616d; cursor: pointer; }
.upgrade-technical > .content-section, .upgrade-technical > .detail-grid { margin-top: 0; }
.remote-summary-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; padding: 12px 16px; }
.remote-summary-grid > div { min-width: 0; overflow-wrap: anywhere; }
.remote-summary-grid h2 { font-size: 14px; margin: 0 0 8px; }
.remote-summary-grid p { margin: 6px 0; }
.remote-summary-grid small { display: block; color: #687581; margin-bottom: 6px; }
.remote-error, .remote-persistence-note { margin: 12px 16px; overflow-wrap: anywhere; }
.remote-action-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.remote-action-grid .action-form { display: flex; flex-wrap: wrap; align-items: end; min-width: 0; }
.remote-action-grid label { flex: 1 1 150px; min-width: 0; }
.remote-action-grid button { white-space: nowrap; }
.remote-action-grid small { flex-basis: 100%; color: #687581; }
.remote-technical { min-width: 0; margin-top: 18px; border-top: 1px solid #d8dee4; }
.remote-technical > summary { padding: 12px 0; color: #53616d; cursor: pointer; }
.remote-support-code { padding: 0 16px; }
@media (max-width: 1100px) {
  .remote-summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .remote-action-grid { grid-template-columns: minmax(0, 1fr); }
}
.back-link { display: inline-block; margin-bottom: 7px; font-size: 13px; }
.workbench-device-counts { color: #65727e; font-size: 13px; }
.workbench-category th { background: #edf1f4; }
.workbench-category a { float: right; font-weight: 400; }
.workbench-table { table-layout: fixed; }
.workbench-table th, .workbench-table td { white-space: normal; overflow-wrap: anywhere; vertical-align: top; }
.workbench-table th:first-child { width: 25%; }
.workbench-table .table-actions { width: 88px; white-space: nowrap; }
.workbench-progress { display: flex; flex-wrap: wrap; align-items: center; gap: 5px 8px; }
.workbench-next { margin: 6px 0; color: #53616d; }
.workbench-history { margin-top: 24px; border-top: 1px solid #d8dee4; padding-top: 12px; color: #65727e; }
.workbench-history summary { cursor: pointer; }
.workbench-history .page-actions { margin-top: 12px; gap: 16px; }
.metric-strip { display: grid; grid-template-columns: repeat(4, minmax(120px, 1fr)); border: 1px solid #d8dee4; background: #fff; }
.metric-strip > div { padding: 17px 20px; border-right: 1px solid #e3e7eb; }
.metric-strip > div:last-child { border-right: 0; }
.metric-strip span, .metric-strip strong { display: block; }
.metric-strip span { color: #687581; font-size: 12px; }
.metric-strip strong { margin-top: 4px; font-size: 23px; }
.metric-strip .metric-time { font-size: 18px; }
.metric-strip.five-metrics { grid-template-columns: repeat(5, minmax(110px, 1fr)); }
.metric-strip.workbench-expiry { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.metric-strip.six-metrics { grid-template-columns: repeat(6, minmax(100px, 1fr)); }
.content-section { margin-top: 20px; border-top: 3px solid #586979; background: #fff; box-shadow: 0 1px 2px rgba(30, 42, 52, .08); }
.content-section.no-top-border { margin-top: 0; border-top-width: 1px; border-top-color: #d8dee4; }
.section-heading { display: flex; align-items: center; justify-content: space-between; min-height: 48px; padding: 12px 16px; border-bottom: 1px solid #e2e6ea; }
.section-heading h2 { margin: 0; font-size: 15px; font-weight: 650; }
.section-heading span { color: #687581; font-size: 12px; }
.table-wrap { width: 100%; overflow-x: auto; }
.management-table { min-width: 920px; }
.management-table th, .management-table td { white-space: normal; overflow-wrap: normal; }
.management-table td:first-child { min-width: 168px; max-width: 280px; overflow-wrap: break-word; }
.management-table .status { white-space: nowrap; }
.management-table .table-time { min-width: 100px; }
.management-table .table-actions { position: sticky; right: 0; min-width: 84px; white-space: nowrap; background: #fff; box-shadow: -1px 0 #d8dee4; }
.management-table th.table-actions { background: #f7f8f9; z-index: 1; }
.management-table tbody tr:hover .table-actions { background: #f8fbfd; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 11px 13px; border-bottom: 1px solid #e5e9ed; text-align: left; vertical-align: middle; white-space: nowrap; }
th { background: #f7f8f9; color: #53616d; font-size: 12px; font-weight: 650; }
td small { display: block; color: #7a8792; }
tbody tr:hover { background: #f8fbfd; }
.empty-cell, .empty-state { padding: 28px 16px; color: #7a8792; text-align: center; }
.status { display: inline-block; padding: 2px 7px; border: 1px solid #c9d0d6; border-radius: 3px; background: #f4f6f8; color: #53616d; font-size: 12px; }
.status.large { padding: 4px 9px; }
.status-active, .status-ready, .status-reachable, .status-verified, .status-succeeded, .status-success, .status-healthy, .status-passed, .status-certified { border-color: #9dceb1; background: #edf8f1; color: #246a41; }
.status-not_ready { border-color: #e2a8aa; background: #fff0f0; color: #9b3035; }
.status-replaced, .status-stale, .status-expiring, .status-revocation_pending, .status-staged, .status-retiring, .status-waiting_device, .status-waiting_operator, .status-waiting_station, .status-waiting_signing, .status-enabled_waiting, .status-draining, .status-degraded, .status-timeout, .status-paused_failure { border-color: #e1c77d; background: #fff8e5; color: #7a5b00; }
.status-retired, .status-unavailable, .status-unreachable, .status-mismatch, .status-failed, .status-error, .status-manual_recovery_required, .status-offline, .status-deactivated, .status-expired, .status-action_required, .status-completed_with_failures { border-color: #e2a8aa; background: #fff0f0; color: #9b3035; }
.status-running, .status-prechecking, .status-pending, .status-queued, .status-leased, .status-preparing_dataset, .status-training, .status-exporting, .status-converting, .status-packaging, .status-uploading, .status-awaiting_artifact, .status-materializing, .status-claimed, .status-station_claimed, .status-device_claimed, .status-installing, .status-applying, .status-verifying, .status-rollback_pending, .status-rolling_back, .status-stopping { border-color: #9dbedf; background: #edf5fc; color: #215f96; }
.status-cancelled, .status-rejected, .status-superseded, .status-quality_gate_failed, .status-quarantined, .status-released, .status-revoked, .status-stopped, .status-skipped { border-color: #d2a4a6; background: #fff0f0; color: #8e3136; }
.status-immutable, .status-approved, .status-deployment_ready, .status-deployed, .status-completed, .status-installed, .status-available, .status-connected, .status-closed, .status-rolled_back { border-color: #9dceb1; background: #edf8f1; color: #246a41; }
.status-unannotated { border-color: #c9d0d6; background: #f4f6f8; color: #53616d; }
.status-annotated { border-color: #9dceb1; background: #edf8f1; color: #246a41; }
.status-invalid { border-color: #e2a8aa; background: #fff0f0; color: #9b3035; }
.filter-bar { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 10px; margin-bottom: 14px; padding: 14px 16px; border: 1px solid #d8dee4; background: #fff; }
.filter-bar label { display: grid; gap: 4px; }
.filter-bar label:first-child { flex: 1; min-width: 240px; }
.filter-bar label span { color: #687581; font-size: 12px; }
.filter-wrap { flex-wrap: wrap; }
.inline-notice { margin: 12px 16px; padding: 10px 12px; border: 1px solid #c9d0d6; background: #f7f8f9; color: #53616d; }
.inline-notice.warning { border-color: #e1c77d; background: #fff8e5; color: #7a5b00; }
.checkbox-label { display: inline-flex; align-items: center; gap: 6px; margin: 0 14px 8px 0; }
.filter-wrap label:first-child { flex: 1 1 300px; }
input, select { min-height: 36px; padding: 7px 9px; border: 1px solid #bdc6ce; border-radius: 3px; background: #fff; color: #17202a; }
input:focus, select:focus { outline: 2px solid #8dc6e9; outline-offset: 1px; border-color: #1769aa; }
.primary-button, .secondary-button, .danger-button { display: inline-flex; align-items: center; justify-content: center; min-height: 38px; padding: 8px 15px; border: 1px solid #1769aa; border-radius: 3px; cursor: pointer; }
.primary-button { background: #1769aa; color: #fff; }
.secondary-button { background: #fff; color: #1769aa; }
.danger-button { border-color: #a83d43; background: #fff; color: #8e3136; }
.primary-button:hover, .secondary-button:hover, .danger-button:hover { text-decoration: none; }
.primary-button:disabled, .secondary-button:disabled, .danger-button:disabled { cursor: wait; opacity: .66; }
.action-form[aria-busy="true"], .filter-bar[aria-busy="true"] { cursor: wait; }
.compact { min-height: 36px; padding: 7px 12px; }
.action-form { display: grid; grid-template-columns: minmax(180px, 1fr) minmax(180px, 1fr) minmax(150px, .7fr) minmax(220px, 1.2fr) auto; align-items: end; gap: 12px; padding: 16px; }
.action-form.inline-form, .inline-form { display: flex; flex-wrap: wrap; align-items: end; gap: 12px; }
.action-form.inline-form label, .inline-form label { flex: 1 1 180px; }
.action-form.stacked-form { display: block; }
.action-form.stacked-form .inline-form { padding-top: 14px; }
.operation-form { max-width: 960px; }
.operation-form > label { max-width: 640px; margin: 14px 0; }
.operation-form > .page-actions { margin-top: 18px; }
.operation-form .filter-bar { padding: 14px 0; }
.operation-page-actions { margin: 0 0 14px; }
.rollout-selection { min-width: 0; padding: 12px; border: 1px solid #d8dee4; }
.selected-device-summary { max-height: 180px; overflow-y: auto; padding-left: 22px; }
.selected-device-summary li { overflow-wrap: break-word; }
.inline-action { display: flex; align-items: center; gap: 7px; }
.inline-action input { width: 170px; min-height: 32px; }
.button-row { display: flex; flex-wrap: wrap; gap: 10px; padding: 0 16px 16px; }
.button-row form { margin: 0; }
.button-note { align-self: center; color: #687581; font-size: 12px; }
.short-input { width: 72px; }
.color-swatch { display: inline-block; width: 24px; height: 24px; border: 1px solid #aeb8c1; vertical-align: middle; }
.action-form label { display: grid; gap: 4px; }
.action-form label span { color: #687581; font-size: 12px; }
.action-form .check-label { display: flex; flex-direction: row; align-items: center; align-self: center; gap: 7px; }
.action-form .check-label input { flex: 0 0 auto; width: auto; min-width: 0; min-height: 0; }
.device-picker { display: grid; grid-template-columns: repeat(3, minmax(180px, 1fr)); gap: 8px; margin: 14px 0 0; padding: 12px; border: 1px solid #d8dee4; }
.device-picker legend { padding: 0 5px; color: #687581; font-size: 12px; }
.device-picker label { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 0 7px; padding: 7px 8px; border: 1px solid #e2e6ea; }
.device-picker input { grid-row: 1 / 3; min-height: 0; }
.device-picker small { grid-column: 2; color: #7a8792; overflow-wrap: anywhere; }
.role-picker { display: flex; flex-wrap: wrap; align-items: center; align-self: stretch; gap: 10px; min-width: 0; margin: 0; padding: 7px 10px; border: 1px solid #d8dee4; }
.role-picker legend { padding: 0 4px; color: #687581; font-size: 12px; }
.role-picker label { display: flex; grid-template-columns: auto 1fr; align-items: center; gap: 4px; white-space: nowrap; }
.role-picker input { flex: 0 0 auto; width: auto; min-width: 0; min-height: 0; }
.pagination { display: flex; justify-content: flex-end; align-items: center; gap: 14px; padding: 14px 16px; }
.detail-tabs { display: flex; flex-wrap: wrap; gap: 0; margin-bottom: 14px; border-bottom: 1px solid #cfd6dc; }
.detail-tabs a { padding: 9px 15px; color: #53616d; }
.detail-tabs .active { border-bottom: 3px solid #1769aa; color: #1769aa; }
.detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.detail-list { margin: 0; padding: 5px 16px 14px; }
.detail-list > div { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 12px; padding: 9px 0; border-bottom: 1px solid #edf0f2; }
.detail-list dt { color: #687581; }
.detail-list dd { margin: 0; overflow-wrap: anywhere; }
.wide-list > div { grid-template-columns: 210px minmax(0, 1fr); }
.error-section { border-top-color: #b4474d; }
.split-table { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; padding: 0 16px 16px; }
.split-table h3 { margin: 14px 0 8px; font-size: 13px; }
.subsection-heading { display: flex; align-items: center; justify-content: space-between; padding: 14px 13px 8px; border-top: 1px solid #e2e6ea; }
.subsection-heading h3 { margin: 0; font-size: 13px; }
.subsection-heading span { color: #687581; font-size: 12px; }
.service-grid { display: grid; grid-template-columns: repeat(4, minmax(150px, 1fr)); }
.service-row { min-height: 96px; padding: 16px; border-right: 1px solid #e2e6ea; }
.service-row:last-child { border-right: 0; }
.service-row strong, .service-row small { display: block; }
.service-row .status { margin: 9px 0 5px; }
.compact-filter { display: flex; align-items: end; gap: 8px; }
.compact-filter label { color: #65727e; font-size: 12px; }
.compact-filter select { min-width: 210px; }
.cell-note { margin-top: 4px; color: #65727e; font-size: 12px; }
.evidence-line { display: grid; grid-template-columns: minmax(120px, .5fr) minmax(180px, 1fr); gap: 4px 10px; padding: 3px 0; }
.evidence-line code { overflow-wrap: anywhere; }
.evidence-line small { grid-column: 2; color: #65727e; }
.muted { color: #7a8792; }
.service-row small { color: #7a8792; overflow-wrap: anywhere; }
.messages { margin-bottom: 14px; }
.message { padding: 10px 12px; border: 1px solid #9dbedf; background: #edf5fc; }
.json-block { min-height: 120px; max-height: 360px; margin: 0; padding: 14px 16px; overflow: auto; background: #f7f8f9; color: #263441; font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre-wrap; overflow-wrap: anywhere; }
.upload-form { grid-template-columns: repeat(5, minmax(150px, 1fr)) auto; }
.upload-progress { grid-column: 1 / -1; width: 100%; height: 8px; border: 0; accent-color: #1769aa; }
.dataset-thumbnail { display: block; width: 112px; height: 78px; object-fit: cover; background: #e9edf1; }
.image-data-table td { vertical-align: top; }
.class-count-chip { display: inline-block; margin: 0 5px 5px 0; padding: 2px 6px; border: 1px solid #d4dbe1; background: #f7f8f9; font-size: 12px; }
.compact-upload { display: grid; min-width: 190px; gap: 6px; }
.compact-upload input { width: 190px; min-height: 32px; padding: 4px; font-size: 12px; }
.release-actions { display: flex; flex-wrap: wrap; align-items: end; gap: 14px; padding: 16px; }
.release-actions form { margin: 0; }
.release-actions .inline-form { flex: 1; }
.release-actions label { display: grid; flex: 1; min-width: 260px; gap: 4px; }
.release-actions label span { color: #687581; font-size: 12px; }

.login-page { display: grid; min-height: 100vh; place-items: center; background: #e9edf1; }
.login-panel { width: min(390px, calc(100vw - 32px)); border-top: 4px solid #1769aa; background: #fff; box-shadow: 0 8px 30px rgba(23, 32, 42, .15); }
.login-panel header { padding: 22px 24px 17px; border-bottom: 1px solid #e2e6ea; }
.login-panel header strong, .login-panel header span { display: block; }
.login-panel header strong { font-size: 19px; }
.login-panel header span { margin-top: 3px; color: #687581; }
.login-form { display: grid; gap: 8px; padding: 22px 24px 26px; }
.login-form label { margin-top: 5px; color: #53616d; font-size: 12px; }
.login-form .primary-button { margin-top: 12px; }
.form-error { margin: 16px 24px 0; padding: 9px 10px; border: 1px solid #e2a8aa; background: #fff0f0; color: #9b3035; }

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 174px minmax(0, 1fr); }
  .main-content { padding: 20px 18px 50px; }
  .metric-strip, .service-grid { grid-template-columns: repeat(2, minmax(120px, 1fr)); }
  .metric-strip.six-metrics { grid-template-columns: repeat(3, minmax(100px, 1fr)); }
  .metric-strip > div:nth-child(2) { border-right: 0; }
  .detail-grid, .split-table { grid-template-columns: 1fr; }
  .device-picker { grid-template-columns: repeat(2, minmax(160px, 1fr)); }
  .action-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .action-form .action-reason { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .activation-progress-details > div { grid-template-columns: 110px minmax(0, 1fr); }
  .credential-recovery-details > div { grid-template-columns: 110px minmax(0, 1fr); }
  .app-shell { display: block; }
  .sidebar { position: static; width: 100%; height: auto; }
  .primary-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; overflow: visible; padding: 8px; }
  .nav-group { min-width: 0; margin: 0; border: 1px solid #34404b; }
  .nav-group[data-active="true"] { grid-column: 1 / -1; }
  .nav-group summary { padding: 9px 12px; }
  .nav-group-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .primary-nav a, .primary-nav span { min-width: 0; padding: 9px 12px; }
  .sidebar-user { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; padding: 12px; }
  .sidebar-user strong, .sidebar-user span { min-width: 0; overflow-wrap: anywhere; }
  .sidebar-user form { margin: 0 0 0 auto; }
  .filter-bar { align-items: stretch; flex-direction: column; }
  .action-form { grid-template-columns: 1fr; }
  .action-form .action-reason { grid-column: auto; }
  .filter-bar label:first-child { flex: 0 1 auto; min-width: 0; }
  .metric-strip { grid-template-columns: 1fr 1fr; }
  .device-runtime-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .device-business-row { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .device-business-row a { justify-self: start; }
  .activation-steps { grid-template-columns: minmax(0, 1fr); }
  .activation-evidence-grid { grid-template-columns: minmax(0, 1fr); }
  .upgrade-version-grid { grid-template-columns: minmax(0, 1fr); }
  .remote-summary-grid, .remote-action-grid { grid-template-columns: minmax(0, 1fr); }
  .workbench-table, .workbench-table tbody, .workbench-table tr, .workbench-table td, .workbench-category th { display: block; width: 100%; }
  .workbench-table thead { display: none; }
  .workbench-table tr { border-bottom: 1px solid #d8dee4; padding: 8px 0; }
  .workbench-table td { border-bottom: 0; padding: 4px 13px; }
  .workbench-table .table-actions { width: auto; padding-top: 8px; }
  .workbench-table .workbench-category th { width: 100%; border-bottom: 0; }
  .workbench-category a { float: none; display: block; margin-top: 4px; }
  .workbench-table .empty-cell { padding: 16px; }
  .metric-strip.six-metrics { grid-template-columns: 1fr 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .device-picker { grid-template-columns: 1fr; }
  .service-row { border-right: 0; border-bottom: 1px solid #e2e6ea; }
}