:root {
  color-scheme: dark;
  --surface: #111827;
  --surface-light: #1f2937;
  --line: #374151;
  --text: #f3f4f6;
  --muted: #9ca3af;
  --accent: #60a5fa;
  --good: #34d399;
  --warn: #fbbf24;
  --danger: #f87171;
}
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: #030712; color: var(--text); font: 15px/1.5 Inter, ui-sans-serif, system-ui, sans-serif; }
.topbar { display: flex; justify-content: space-between; gap: 2rem; align-items: end; padding: 2.25rem max(2rem, calc((100vw - 1280px) / 2)); background: linear-gradient(125deg, #172554, #111827 62%); border-bottom: 1px solid var(--line); }
h1, h2, h3, h4, h5, p { margin: 0; } h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); } h2 { font-size: 1.5rem; } h3 { font-size: 1.1rem; } h4 { font-size: 1rem; } h5 { color: var(--muted); font-size: .78rem; letter-spacing: .05em; text-transform: uppercase; }
.eyebrow { color: var(--accent); font-size: .76rem; letter-spacing: .12em; font-weight: 700; text-transform: uppercase; }
.connection { min-width: min(100%, 390px); } .connection label { display: block; font-size: .8rem; color: var(--muted); margin-bottom: .35rem; } .connection label span { opacity: .75; }
.token-input { display: flex; } input { width: 100%; border: 1px solid #4b5563; background: #030712; color: var(--text); border-radius: .45rem; padding: .65rem .75rem; font: inherit; } .token-input input { border-radius: .45rem 0 0 .45rem; }
button { cursor: pointer; border: 0; border-radius: .45rem; padding: .65rem .9rem; background: var(--accent); color: #071120; font: inherit; font-weight: 700; } .token-input button { border-radius: 0 .45rem .45rem 0; } button.secondary { background: var(--surface-light); color: var(--text); border: 1px solid #4b5563; }
main { max-width: 1280px; margin: 0 auto; padding: 1.75rem 2rem 4rem; }.status { margin-bottom: 1rem; padding: .7rem .9rem; border-radius: .45rem; background: var(--surface); color: var(--muted); }.status.error { color: #fecaca; border: 1px solid #7f1d1d; }.status.success { color: #bbf7d0; border: 1px solid #166534; }
.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }.metrics article, .cluster-card, .settings-panel { background: var(--surface); border: 1px solid var(--line); border-radius: .7rem; }.metrics article { padding: 1rem; }.metrics span { display: block; color: var(--muted); font-size: .85rem; }.metrics strong { display: block; margin-top: .2rem; font-size: 1.8rem; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin: 2.2rem 0 1rem; }.clusters { display: grid; gap: 1rem; }.cluster-card > header, .server-card > header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }.cluster-card > header { padding: 1rem 1.15rem; border-bottom: 1px solid var(--line); }.server-badge, .block-badge { white-space: nowrap; background: #1e3a5f; color: #bfdbfe; border-radius: 99px; padding: .2rem .55rem; font-size: .78rem; }.servers { padding: .8rem; display: grid; gap: .8rem; }.server-card { padding: 1rem; border: 1px solid #374151; border-radius: .5rem; background: #0b1220; }.registration { color: var(--muted); font-size: .8rem; }.block-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: .9rem; }.block-columns ul { list-style: none; padding: 0; margin: .4rem 0 0; }.block-columns li { margin-top: .35rem; padding: .4rem .55rem; border-left: 3px solid var(--accent); background: #111827; border-radius: 0 .25rem .25rem 0; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .83rem; }.block-columns li small { display: block; color: var(--muted); font-family: inherit; }.empty { color: var(--muted); font-style: italic; border-left-color: #4b5563 !important; }
.settings-panel { margin-top: 2.2rem; padding: 1.2rem; }.settings-panel .section-heading { margin: 0 0 .55rem; }.hint { max-width: 850px; color: var(--muted); font-size: .9rem; }.settings-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; margin-top: 1rem; }.settings-grid label { color: var(--muted); font-size: .82rem; }.settings-grid input { margin-top: .35rem; }.settings-action { display: flex; align-items: end; }
@media (max-width: 800px) { .topbar { display: block; }.connection { margin-top: 1.5rem; }.metrics, .settings-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }.block-columns { grid-template-columns: 1fr; } } @media (max-width: 480px) { main { padding: 1rem; }.topbar { padding: 1.5rem 1rem; }.metrics, .settings-grid { grid-template-columns: 1fr; } }

/* Scalable Cluster/Node/Audit views */
.subtitle { margin-top: .35rem; color: var(--muted); }
.metrics { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.warning-metric strong, .danger { color: var(--danger); }
.tabs { display: flex; gap: .5rem; margin: 2rem 0 1rem; border-bottom: 1px solid var(--line); }
.tab { background: transparent; color: var(--muted); border-radius: .45rem .45rem 0 0; }
.tab.active { color: var(--text); background: var(--surface-light); border-bottom: 2px solid var(--accent); }
.hidden { display: none !important; }
.toolbar, .filter-row { display: flex; flex-wrap: wrap; align-items: center; gap: .55rem; }
.toolbar input, .toolbar select { width: auto; min-width: 180px; }
.filter-row { margin: -.3rem 0 1rem; color: var(--muted); }
.filter-row label { display: flex; align-items: center; gap: .35rem; }
.data-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.cluster-card > header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.15rem; border-bottom: 1px solid var(--line); }
.cluster-card { cursor: pointer; transition: border-color .15s ease, transform .15s ease; }
.cluster-card:hover, .cluster-card:focus { border-color: var(--accent); transform: translateY(-1px); outline: none; }
.cluster-detail { margin-top: 2rem; }
.cluster-stats { display: grid; grid-template-columns: 1fr 1fr; gap: .55rem; padding: 1rem 1.15rem; color: var(--muted); font-size: .88rem; }
.node-table-wrap, .audit-table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: .7rem; }
.node-table-wrap table, .audit-table-wrap table { width: 100%; border-collapse: collapse; min-width: 760px; }
.node-table-wrap th, .node-table-wrap td, .audit-table-wrap th, .audit-table-wrap td { padding: .7rem .8rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.node-table-wrap th, .audit-table-wrap th { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; }
.state-pill { display: inline-block; padding: .18rem .45rem; border-radius: 99px; font-size: .78rem; background: var(--surface-light); }
.state-in_sync { color: var(--good); }.state-drift, .state-error, .state-unknown { color: var(--warn); }.good { color: var(--good); }
.action-created { color: var(--good); }.action-expired { color: var(--warn); }.action-deleted { color: var(--danger); }
.audit-table-wrap pre { max-width: 360px; max-height: 150px; overflow: auto; margin: 0; color: #bfdbfe; font-size: .72rem; }
.pagination { display: flex; align-items: center; justify-content: flex-end; gap: .6rem; margin: 1rem 0; color: var(--muted); }
.pagination button:disabled { cursor: not-allowed; opacity: .45; }
@media (max-width: 1100px) { .metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 800px) { .section-heading { align-items: stretch; flex-direction: column; } }
@media (max-width: 480px) { .tabs { overflow-x: auto; } }