:root {
  --bg: #f6f7f5; --panel: #ffffff; --ink: #1d2421; --muted: #5d6863; --line: #dfe3e0;
  --accent: #2f6f5e; --accent-ink: #ffffff; --accent-soft: #e4efeb; --danger: #a33a2c;
  --radius: 8px; --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141917; --panel: #1c2320; --ink: #e5ebe8; --muted: #9aa6a0; --line: #2c3532;
    --accent: #5fb39b; --accent-ink: #0d1412; --accent-soft: #23332d; --danger: #e07a6a;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--ink); font: 14px/1.45 var(--font); }
.boot { padding: 2rem; color: var(--muted); }
code, .mono { font-family: var(--mono); font-size: 12.5px; }
a { color: var(--accent); }
h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 15px; margin: 24px 0 8px; }
p.lead { color: var(--muted); margin: 0 0 18px; }

/* layout */
.shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.side { background: var(--panel); border-right: 1px solid var(--line); padding: 16px 10px; display: flex; flex-direction: column; gap: 2px; }
.brand { font-weight: 650; padding: 4px 10px 14px; display: flex; align-items: center; gap: 8px; }
.brand i { width: 14px; height: 14px; border-radius: 4px; background: var(--accent); display: inline-block; }
.side .group { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; padding: 14px 10px 4px; }
.side button.nav { all: unset; cursor: pointer; padding: 7px 10px; border-radius: 6px; display: flex; justify-content: space-between; }
.side button.nav:hover { background: var(--accent-soft); }
.side button.nav.on { background: var(--accent); color: var(--accent-ink); }
.side button.nav .n { color: inherit; opacity: .7; font-size: 12px; }
.side .who { margin-top: auto; padding: 12px 10px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.main { padding: 24px 28px 60px; min-width: 0; }
.bar { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* pieces */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; margin: 8px 0 20px; }
.card { text-decoration: none; color: inherit; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.card b { font-size: 22px; display: block; color: var(--accent); }
a.card:hover { border-color: var(--accent); }
.detail h2:first-child { margin-top: 0; }
.card span { color: var(--muted); font-size: 12px; }
table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; background: var(--bg); }
tr:last-child td { border-bottom: none; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--accent-soft); }
tr.sel td { background: var(--accent-soft); }
.tag { display: inline-block; padding: 1px 7px; border-radius: 999px; background: var(--accent-soft); color: var(--ink); font-size: 12px; margin: 1px 4px 1px 0; }
.tag.req { background: var(--accent); color: var(--accent-ink); }
.empty { color: var(--muted); padding: 18px; background: var(--panel); border: 1px dashed var(--line); border-radius: var(--radius); }
.err { color: var(--danger); margin: 8px 0; white-space: pre-wrap; }
.ok { color: var(--accent); margin: 8px 0; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.detail { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.detail dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; margin: 0; }
.detail dt { color: var(--muted); }
.detail dd { margin: 0; word-break: break-word; }

/* forms */
button, .btn { font: inherit; border: 1px solid var(--line); background: var(--panel); color: var(--ink); padding: 6px 12px; border-radius: 6px; cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
button.link { border: none; background: none; color: var(--accent); padding: 0; }
button:disabled { opacity: .5; cursor: default; }
input, select, textarea { font: inherit; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 6px 8px; min-width: 0; }
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
form.box { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin: 12px 0 20px; display: grid; gap: 10px; max-width: 720px; }
form.box label { display: grid; gap: 4px; font-size: 12px; color: var(--muted); }
form.box .row { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }
form.box .row > * { flex: 1 1 160px; }
form.box .check { display: flex; align-items: center; gap: 6px; color: var(--ink); font-size: 14px; flex: 0 0 auto; }
form.box .actions { display: flex; gap: 8px; }
.search { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0 14px; }
.search > input { flex: 1 1 220px; }

/* sign-in */
.login { max-width: 420px; margin: 12vh auto; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 28px; }
.login form { display: grid; gap: 12px; margin-top: 16px; }
.login small { color: var(--muted); }

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .side { flex-direction: row; flex-wrap: wrap; border-right: none; border-bottom: 1px solid var(--line); }
  .side .group, .side .who { display: none; }
  .split { grid-template-columns: 1fr; }
  .main { padding: 16px; }
}

/* control plane */
.state { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; background: var(--accent-soft); }
.state.running, .state.up { background: var(--accent); color: var(--accent-ink); }
.state.failed, .state.down, .state.exceeded, .state.expired { background: var(--danger); color: #fff; }
.state.archived, .state.stopped, .state.purged, .state.warning { background: var(--line); color: var(--ink); }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--line); margin-right: 6px; vertical-align: middle; }
.dot.up { background: var(--accent); }
.dot.down { background: var(--danger); }
.steps { font-family: var(--mono); font-size: 12px; color: var(--muted); white-space: pre-wrap; margin: 6px 0 0; }
.spark { display: block; width: 100%; height: 36px; }
.spark path { fill: none; stroke: var(--accent); stroke-width: 1.5; }
.spark rect.down { fill: var(--danger); }
.actions-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0; }
button.danger { border-color: var(--danger); color: var(--danger); }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; align-items: start; }
.muted { color: var(--muted); }
.langs { display: flex; flex-wrap: wrap; gap: 4px 12px; }
[hidden] { display: none !important; }
.nowrap { white-space: nowrap; }
button.link.danger { color: var(--danger); }
tr[hidden] { display: none; }
.tag.soft { background: transparent; border: 1px solid var(--line); color: var(--muted); }
.err-inline { color: var(--danger, #a33a2c); }
.note { background: color-mix(in srgb, var(--accent) 8%, var(--panel)); border-left: 3px solid var(--accent); padding: 8px 12px; border-radius: 6px; margin: 0 0 12px; }
section.card { margin: 0 0 16px; display: grid; gap: 8px; }
section.card h3 { margin: 0; }
section.card button { justify-self: start; }

/* classification levels of a customer domain (D25) */
.tablewrap { overflow-x: auto; margin: 8px 0; }
.lvltable td { vertical-align: middle; }
.lvltable td.c { text-align: center; }
.lvltable input[type=color] { width: 34px; height: 26px; padding: 0; border: 1px solid var(--line); border-radius: 4px; background: none; }
.row-inline { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 6px 0; }
.mono { font-family: ui-monospace, Menlo, Consolas, monospace; }
section.card { margin: 0 0 16px; }

/* operator console (D28) */
.dns { font-family: var(--mono); font-size: 12.5px; background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; white-space: pre-wrap; word-break: break-all; margin: 6px 0; }
.state.ok, .state.done, .state.ready, .state.paid { background: var(--accent); color: var(--accent-ink); }
.state.paused, .state.waiting, .state.creating, .state.sent, .state.queued, .state.open, .state.rolling-back { background: var(--line); color: var(--ink); }
.state.offline, .state.cancelled, .state.rolled-back { background: var(--line); color: var(--muted); }
.detail table { margin-top: 6px; }
form.box h3 { margin: 6px 0 0; font-size: 13px; }