:root {
  color-scheme: light;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --space-1: .25rem; --space-2: .5rem; --space-3: .75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --radius-sm: .375rem; --radius-md: .625rem; --radius-lg: .875rem;
  --size-header: 4rem; --size-sidebar: 16.5rem; --size-sidebar-collapsed: 5rem;
  --z-header: 30; --z-drawer: 50; --z-dropdown: 60; --z-dialog: 70;
  --bg: #f4f6f8; --surface: #ffffff; --surface-raised: #ffffff; --surface-subtle: #eef2f5;
  --border: #d8e0e7; --border-strong: #aebbc7; --text: #18222d; --text-muted: #5c6b79;
  --brand: #125b8f; --brand-strong: #0d466f; --brand-soft: #e6f2fa;
  --success: #157347; --success-soft: #e8f6ef; --warning: #946200; --warning-soft: #fff5d9;
  --danger: #b42318; --danger-soft: #fceceb; --focus: #1683c7;
  --shadow-sm: 0 1px 2px rgba(18, 34, 49, .08);
  --shadow-md: 0 12px 30px rgba(18, 34, 49, .14);
  --transition: 160ms ease;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0e151c; --surface: #151f29; --surface-raised: #1a2632; --surface-subtle: #202e3a;
  --border: #324454; --border-strong: #52697b; --text: #edf3f7; --text-muted: #aab8c4;
  --brand: #55a9df; --brand-strong: #82c4ed; --brand-soft: #17364b;
  --success: #6bd7a2; --success-soft: #17382a; --warning: #f1c75b; --warning-soft: #3a3016;
  --danger: #ff8f86; --danger-soft: #421f20; --focus: #6cc5fa;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .28); --shadow-md: 0 14px 34px rgba(0, 0, 0, .38);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --bg: #0e151c; --surface: #151f29; --surface-raised: #1a2632; --surface-subtle: #202e3a;
    --border: #324454; --border-strong: #52697b; --text: #edf3f7; --text-muted: #aab8c4;
    --brand: #55a9df; --brand-strong: #82c4ed; --brand-soft: #17364b;
    --success: #6bd7a2; --success-soft: #17382a; --warning: #f1c75b; --warning-soft: #3a3016;
    --danger: #ff8f86; --danger-soft: #421f20; --focus: #6cc5fa;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .28); --shadow-md: 0 14px 34px rgba(0, 0, 0, .38);
  }
}

* { box-sizing: border-box; }
html { min-width: 20rem; background: var(--bg); font-family: var(--font-sans); }
body { margin: 0; min-height: 100vh; color: var(--text); background: var(--bg); font-size: .9375rem; line-height: 1.5; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: var(--brand); }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--focus) 72%, transparent); outline-offset: 2px; }
.skip-link { position: fixed; left: var(--space-3); top: -4rem; z-index: 100; padding: var(--space-3) var(--space-4); border-radius: var(--radius-sm); background: var(--surface); color: var(--text); }
.skip-link:focus { top: var(--space-3); }
.boot { display: grid; min-height: 100vh; grid-template-columns: var(--size-sidebar) 1fr; }
.boot-sidebar { background: #102b3d; }
.boot-main { padding: 6rem 4vw; }
.skeleton { overflow: hidden; position: relative; border-radius: var(--radius-sm); background: var(--surface-subtle); min-height: .85rem; }
.skeleton::after { content: ""; position: absolute; inset: 0; transform: translateX(-100%); background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--surface) 70%, transparent), transparent); animation: shimmer 1.5s infinite; }
@keyframes shimmer { to { transform: translateX(100%); } }
.boot-line { width: min(38rem, 80%); height: 1.2rem; margin-bottom: var(--space-4); }
.boot-line.short { width: 14rem; }
.button { min-height: 2.5rem; display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); border: 1px solid transparent; border-radius: var(--radius-sm); padding: .55rem .9rem; font-weight: 650; cursor: pointer; transition: background var(--transition), border var(--transition), color var(--transition); text-decoration: none; }
.button-primary { color: white; background: var(--brand); }
.button-primary:hover { background: var(--brand-strong); }
.button-secondary { color: var(--text); background: var(--surface); border-color: var(--border); }
.button-secondary:hover { background: var(--surface-subtle); border-color: var(--border-strong); }
.icon-button { width: 2.5rem; min-width: 2.5rem; padding: 0; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); color: var(--text); cursor: pointer; }
.badge { display: inline-flex; align-items: center; min-height: 1.45rem; padding: 0 .45rem; border-radius: 999px; background: var(--surface-subtle); color: var(--text-muted); font-size: .7rem; font-weight: 700; letter-spacing: .02em; }
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge-neutral { background: var(--surface-subtle); color: var(--text-muted); }
.alert { border: 1px solid var(--border); border-left: 4px solid var(--brand); border-radius: var(--radius-md); padding: var(--space-4); background: var(--surface); }
.alert-danger { border-left-color: var(--danger); background: var(--danger-soft); }
.panel, .card { border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface); box-shadow: var(--shadow-sm); }
.card { padding: var(--space-5); }
.field { display: grid; gap: var(--space-2); }
.field-label { font-size: .8125rem; font-weight: 650; }
.input, .select, .textarea { width: 100%; min-height: 2.5rem; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); padding: .55rem .7rem; color: var(--text); background: var(--surface); }
.textarea { min-height: 7rem; resize: vertical; }
.choice { display: inline-flex; align-items: center; gap: var(--space-2); }
.switch { appearance: none; width: 2.5rem; height: 1.4rem; border-radius: 999px; background: var(--border-strong); position: relative; cursor: pointer; }
.switch::after { content: ""; position: absolute; width: 1rem; height: 1rem; top: .2rem; left: .2rem; border-radius: 50%; background: white; transition: transform var(--transition); }
.switch:checked { background: var(--brand); }
.switch:checked::after { transform: translateX(1.1rem); }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: var(--size-sidebar) minmax(0, 1fr); grid-template-rows: var(--size-header) minmax(0, 1fr); transition: grid-template-columns var(--transition); }
.app-shell.is-collapsed { grid-template-columns: var(--size-sidebar-collapsed) minmax(0, 1fr); }
.header { grid-column: 1 / -1; position: sticky; top: 0; z-index: var(--z-header); min-width: 0; display: flex; align-items: center; gap: var(--space-3); height: var(--size-header); padding: 0 var(--space-5); border-bottom: 1px solid var(--border); background: color-mix(in srgb, var(--surface) 94%, transparent); backdrop-filter: blur(10px); }
.brand { display: flex; align-items: center; min-width: calc(var(--size-sidebar) - var(--space-5)); gap: var(--space-3); color: var(--text); text-decoration: none; font-weight: 760; letter-spacing: -.015em; }
.brand-mark { display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: var(--radius-sm); background: var(--brand); color: white; font-size: .72rem; letter-spacing: .06em; }
.header-spacer { flex: 1; }
.environment { display: flex; align-items: center; gap: var(--space-2); color: var(--text-muted); font-size: .78rem; }
.sidebar { grid-row: 2; min-width: 0; display: flex; flex-direction: column; padding: var(--space-4) var(--space-3); border-right: 1px solid var(--border); background: var(--surface); }
.nav { display: grid; gap: var(--space-1); }
.nav-item { display: flex; align-items: center; gap: var(--space-3); min-height: 2.75rem; padding: 0 var(--space-3); border-radius: var(--radius-sm); color: var(--text-muted); text-decoration: none; white-space: nowrap; overflow: hidden; }
.nav-item:hover { background: var(--surface-subtle); color: var(--text); }
.nav-item[aria-current="page"] { color: var(--brand-strong); background: var(--brand-soft); font-weight: 700; }
.nav-item[aria-disabled="true"] { cursor: not-allowed; opacity: .68; }
.nav-symbol { display: grid; place-items: center; flex: 0 0 1.75rem; height: 1.75rem; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: .62rem; font-weight: 750; }
.nav-label { flex: 1; }
.sidebar-footer { margin-top: auto; padding: var(--space-4) var(--space-3) 0; border-top: 1px solid var(--border); color: var(--text-muted); font-size: .72rem; }
.is-collapsed .nav-label, .is-collapsed .nav-item .badge, .is-collapsed .sidebar-footer, .is-collapsed .brand-name { display: none; }
.is-collapsed .brand { min-width: calc(var(--size-sidebar-collapsed) - var(--space-5)); }
.main { min-width: 0; padding: var(--space-6) clamp(var(--space-4), 3vw, var(--space-10)); }
.content { width: min(78rem, 100%); margin: 0 auto; }
.breadcrumb { display: flex; align-items: center; gap: var(--space-2); margin-bottom: var(--space-3); color: var(--text-muted); font-size: .78rem; }
.page-header { display: flex; justify-content: space-between; align-items: start; gap: var(--space-4); margin-bottom: var(--space-6); }
.page-header h1 { margin: 0; font-size: clamp(1.5rem, 2.5vw, 2rem); line-height: 1.2; letter-spacing: -.025em; }
.page-header p { margin: var(--space-2) 0 0; color: var(--text-muted); }
.summary-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); margin-bottom: var(--space-5); }
.metric-label { color: var(--text-muted); font-size: .76rem; font-weight: 680; text-transform: uppercase; letter-spacing: .055em; }
.metric-value { margin-top: var(--space-2); font-size: 1.05rem; font-weight: 740; overflow-wrap: anywhere; }
.dashboard-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(16rem, .8fr); gap: var(--space-4); }
.dashboard-grid + .panel, .panel + .panel, .read-only-banner + .panel { margin-top: var(--space-4); }
.filters { display: grid; grid-template-columns: minmax(14rem, 1fr) minmax(12rem, .6fr) auto; align-items: end; gap: var(--space-3); margin-bottom: var(--space-4); }
.table-scroll { max-width: 100%; overflow-x: auto; }
.facts { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: var(--space-2) var(--space-4); margin: 0; }
.facts dt { color: var(--text-muted); font-weight: 650; } .facts dd { margin: 0; overflow-wrap: anywhere; }
.mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .78rem; }
.topology-list { display: grid; gap: var(--space-3); padding: 0; list-style: none; }
.topology-edge { display: grid; grid-template-columns: minmax(10rem,1fr) auto minmax(10rem,1fr) auto; align-items: center; gap: var(--space-3); padding: var(--space-3); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.topology-edge > span:nth-child(2) { color: var(--text-muted); text-align: center; }
.read-only-banner { padding: var(--space-3) var(--space-4); border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--brand-soft); color: var(--brand-strong); font-weight: 700; }
.loading-grid { display: grid; gap: var(--space-3); min-height: 10rem; } .loading-grid .skeleton { min-height: 2.5rem; }
.panel-header { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--border); }
.panel-header h2 { margin: 0; font-size: 1rem; }
.panel-body { padding: var(--space-5); }
.status-table { width: 100%; border-collapse: collapse; }
.status-table th, .status-table td { padding: .7rem 0; border-bottom: 1px solid var(--border); text-align: left; }
.status-table th { color: var(--text-muted); font-size: .75rem; font-weight: 680; text-transform: uppercase; letter-spacing: .04em; }
.status-table td:last-child, .status-table th:last-child { text-align: right; }
.status-gap { height: .7rem; }
.header-search { width: min(24rem, 30vw); }
.empty-state, .error-state { display: grid; place-items: start; gap: var(--space-3); min-height: 11rem; align-content: center; }
.empty-state h2, .error-state h2 { margin: 0; font-size: 1rem; }
.empty-state p, .error-state p { margin: 0; color: var(--text-muted); max-width: 36rem; }
.spinner { width: 1rem; height: 1rem; border: 2px solid var(--border); border-top-color: var(--brand); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.user { position: relative; }
.user-trigger { display: flex; align-items: center; gap: var(--space-2); border: 0; padding: var(--space-1); background: transparent; color: var(--text); cursor: pointer; border-radius: var(--radius-sm); }
.avatar { display: grid; place-items: center; width: 2.25rem; height: 2.25rem; border-radius: 50%; background: var(--brand-soft); color: var(--brand-strong); font-weight: 780; }
.user-copy { display: grid; text-align: left; line-height: 1.2; }
.user-copy small { color: var(--text-muted); }
.dropdown { position: absolute; right: 0; top: calc(100% + var(--space-2)); z-index: var(--z-dropdown); width: min(20rem, calc(100vw - 2rem)); border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--surface-raised); box-shadow: var(--shadow-md); padding: var(--space-2); }
.dropdown[hidden] { display: none; }
.dropdown-profile { padding: var(--space-3); border-bottom: 1px solid var(--border); overflow-wrap: anywhere; }
.dropdown-profile strong, .dropdown-profile span { display: block; }
.dropdown-profile span { color: var(--text-muted); font-size: .8rem; }
.dropdown .button { width: 100%; justify-content: flex-start; margin-top: var(--space-2); }
.mobile-menu, .drawer-overlay { display: none; }
.signin-page { min-height: 100vh; display: grid; grid-template-columns: minmax(20rem, 1.1fr) minmax(24rem, .9fr); background: var(--surface); }
.signin-context { display: flex; flex-direction: column; justify-content: space-between; padding: clamp(2rem, 6vw, 6rem); color: #eaf4fa; background: #102b3d; }
.signin-context .brand { color: white; }
.signin-context h1 { max-width: 38rem; margin: 0 0 var(--space-4); font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.08; letter-spacing: -.035em; }
.signin-context p { max-width: 36rem; color: #bdd1df; }
.signin-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); margin-top: var(--space-8); }
.signin-fact { padding-top: var(--space-3); border-top: 1px solid #466275; font-size: .8rem; color: #bdd1df; }
.signin-panel { display: grid; place-items: center; padding: var(--space-6); background: var(--bg); }
.signin-card { width: min(28rem, 100%); padding: clamp(1.5rem, 4vw, 2.5rem); }
.signin-card h2 { margin: 0 0 var(--space-2); font-size: 1.5rem; }
.signin-card p { margin: 0 0 var(--space-6); color: var(--text-muted); }
.signin-card .button { width: 100%; }
.signin-note { margin-top: var(--space-5); padding-top: var(--space-4); border-top: 1px solid var(--border); font-size: .78rem; color: var(--text-muted); }
.dialog { width: min(30rem, calc(100% - 2rem)); padding: var(--space-5); border: 1px solid var(--border); border-radius: var(--radius-lg); color: var(--text); background: var(--surface); box-shadow: var(--shadow-md); }
.dialog::backdrop { background: rgba(6, 14, 20, .62); }
.dialog-actions { display: flex; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-5); }
.tooltip { position: relative; display: inline-flex; }
.tooltip:hover::after, .tooltip:focus-within::after { content: attr(data-tooltip); position: absolute; z-index: var(--z-dropdown); left: 50%; bottom: calc(100% + var(--space-2)); transform: translateX(-50%); width: max-content; max-width: 16rem; padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); color: var(--surface); background: var(--text); font-size: .75rem; box-shadow: var(--shadow-sm); }
.tabs { display: flex; gap: var(--space-1); border-bottom: 1px solid var(--border); }
.tab { border: 0; border-bottom: 2px solid transparent; padding: var(--space-3); background: transparent; color: var(--text-muted); cursor: pointer; }
.tab[aria-selected="true"] { border-color: var(--brand); color: var(--text); }
.pagination { display: flex; justify-content: flex-end; gap: var(--space-2); }
@media (max-width: 64rem) {
  .app-shell { grid-template-columns: var(--size-sidebar-collapsed) minmax(0, 1fr); }
  .nav-label, .nav-item .badge, .sidebar-footer, .brand-name { display: none; }
  .brand { min-width: calc(var(--size-sidebar-collapsed) - var(--space-5)); }
  .summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dashboard-grid { grid-template-columns: 1fr; }
}
@media (max-width: 48rem) {
  .boot { grid-template-columns: 1fr; } .boot-sidebar { display: none; }
  .app-shell { display: block; padding-top: var(--size-header); }
  .header { position: fixed; inset: 0 0 auto; }
  .header .brand { min-width: 0; }
  .mobile-menu { display: inline-grid; place-items: center; }
  .desktop-collapse, .environment .environment-label { display: none; }
  .header-search { display: none; }
  .sidebar { position: fixed; inset: var(--size-header) auto 0 0; z-index: var(--z-drawer); width: min(var(--size-sidebar), calc(100vw - 3.5rem)); transform: translateX(-105%); transition: transform var(--transition); box-shadow: var(--shadow-md); }
  .app-shell.drawer-open .sidebar { transform: translateX(0); }
  .app-shell.drawer-open .drawer-overlay { display: block; position: fixed; inset: var(--size-header) 0 0; z-index: calc(var(--z-drawer) - 1); border: 0; background: rgba(6, 14, 20, .58); }
  .nav-label, .nav-item .badge, .sidebar-footer, .brand-name { display: initial; }
  .main { padding: var(--space-5) var(--space-4); }
  .summary-grid { grid-template-columns: 1fr; }
  .filters { grid-template-columns: 1fr; }
  .topology-edge { grid-template-columns: 1fr; }
  .page-header { display: block; }
  .user-copy { display: none; }
  .signin-page { grid-template-columns: 1fr; }
  .signin-context { min-height: 42vh; padding: var(--space-6); }
  .signin-facts { grid-template-columns: 1fr; gap: var(--space-2); }
  .signin-fact { padding-top: var(--space-2); }
}
@media (max-width: 24.375rem) {
  .header { padding: 0 var(--space-3); }
  .main { padding-inline: var(--space-3); }
  .signin-panel, .signin-context { padding: var(--space-4); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}