/* Layout: sticky top bar with tabs; one working column below. */
:root {
  --bg: #f5f6f4; --surface: #ffffff; --sunk: #eef0ec; --fg: #1b211e; --mute: #64706a; --line: #dde2dd;
  --accent: #1f6f5c; --accent-fg: #ffffff; --accent-soft: #e2f0eb;
  --ok: #17803d; --warn: #a15c00; --bad: #b42318; --bad-soft: #fdecea; --warn-soft: #fdf3e2;
  --sans: "IBM Plex Sans", system-ui, sans-serif; --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) { :root {
  --bg: #111513; --surface: #181d1a; --sunk: #0d100f; --fg: #e6ebe8; --mute: #96a39c; --line: #2a322e;
  --accent: #4fc29f; --accent-fg: #06231a; --accent-soft: #15302a;
  --ok: #4ade80; --warn: #f5b84a; --bad: #f87171; --bad-soft: #3a1513; --warn-soft: #33270f; color-scheme: dark } }

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 14.5px/1.5 var(--sans); }
[hidden] { display: none !important; }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 17px; margin: 0; }
h3 { font-size: 14px; margin: 0; text-transform: uppercase; letter-spacing: .05em; color: var(--mute); font-weight: 600; }
.mute { color: var(--mute); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
code, .mono, textarea { font-family: var(--mono); }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: 1px solid var(--line); background: var(--surface); border-radius: 7px; padding: 6px 12px; }
button:hover { border-color: var(--mute); }
button.primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); font-weight: 600; }
button.link { border: 0; background: none; padding: 0; color: var(--accent); text-decoration: underline; }
button:disabled { opacity: .45; cursor: not-allowed; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
input, select { border: 1px solid var(--line); background: var(--surface); border-radius: 7px; padding: 6px 9px; }
textarea { white-space: pre; overflow-x: auto; width: 100%; min-height: 420px; border: 1px solid var(--line); background: var(--sunk); border-radius: 8px; padding: 12px; font-size: 13px; line-height: 1.55; tab-size: 2; resize: vertical; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: min(380px, 100%); display: grid; gap: 8px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 24px; }
.login-card label { font-weight: 500; margin-top: 6px; }
.login-card button { margin-top: 12px; padding: 9px; }

.top { position: sticky; top: 0; z-index: 5; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; padding: 10px 16px; background: var(--surface); border-bottom: 1px solid var(--line); }
.brand { font-weight: 600; }
nav { display: flex; flex-wrap: wrap; gap: 2px; flex: 1; min-width: 0; }
nav button { border: 0; background: none; padding: 6px 10px; border-radius: 6px; color: var(--mute); }
nav button[aria-current="page"] { background: var(--accent-soft); color: var(--fg); font-weight: 500; }
.who { color: var(--mute); font-size: 13px; }
main { max-width: 1180px; margin: 0 auto; padding: 22px 16px 60px; display: grid; gap: 18px; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 16px; display: grid; gap: 12px; min-width: 0; }
.row { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; }
.spacer { flex: 1; }
.cols { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 18px; align-items: start; }
@media (max-width: 900px) { .cols { grid-template-columns: 1fr; } }
.desc { font-size: 15px; line-height: 1.6; max-width: 75ch; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { background: var(--sunk); border-radius: 999px; padding: 3px 11px; font-size: 13px; }
.chip b { font-variant-numeric: tabular-nums; }
.pill { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 999px; border: 1px solid currentColor; white-space: nowrap; }
.pill.ok { color: var(--ok); } .pill.warn { color: var(--warn); } .pill.bad { color: var(--bad); } .pill.mute { color: var(--mute); }
.tier-platinum { color: #6b7280; } .tier-gold { color: #a16207; } .tier-silver { color: #64748b; } .tier-bronze { color: #9a3412; }

.tablewrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 7px 9px; white-space: nowrap; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--mute); font-weight: 600; white-space: nowrap; }
td select { padding: 3px 6px; }
tr.inactive td { opacity: .5; }

.history { display: grid; gap: 6px; }
.ver { border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px; display: grid; gap: 3px; font-size: 13px; }
.ver.active { border-color: var(--accent); background: var(--accent-soft); }
.ver .row { gap: 6px; }

.msg { border-radius: 8px; padding: 10px 12px; font-size: 13.5px; }
.msg.error, .error { background: var(--bad-soft); color: var(--bad); }
.msg.warn { background: var(--warn-soft); color: var(--warn); }
.error { border-radius: 8px; padding: 10px 12px; }
.list { margin: 0; padding-left: 18px; display: grid; gap: 3px; }

.tree summary { cursor: pointer; }
.tree ul { list-style: none; margin: 0; padding-left: 20px; border-left: 1px dashed var(--line); }
.tree > ul { padding-left: 0; border: 0; }
.tree li { padding: 3px 0; }
.tree .node { display: inline-flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.tree .role { font-size: 12px; color: var(--mute); }

#toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: var(--fg); color: var(--bg); padding: 9px 16px; border-radius: 8px; font-size: 14px; z-index: 10; max-width: calc(100% - 32px); }
@media (prefers-reduced-motion: no-preference) { #toast { transition: opacity .2s; } }
nav button { white-space: nowrap; }
@media (max-width: 760px) {
  .top { gap: 8px 12px; }
  nav { order: 3; flex-basis: 100%; flex-wrap: nowrap; overflow-x: auto; }
  .who { margin-left: auto; }
}

.fld { display: grid; gap: 4px; min-width: 0; }
.fld label { font-weight: 500; }
.fld input:not([type=checkbox]):not([type=radio]), .fld select, .fld textarea { width: 100%; }
.help { color: var(--mute); font-size: 13px; margin: 0; }
textarea.plain { min-height: 0; white-space: pre-wrap; font-family: var(--sans); font-size: 14px; background: var(--surface); }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }
.chk, .radio { display: flex; gap: 8px; align-items: flex-start; cursor: pointer; }
.radio { padding: 8px 0; }
.stack { display: grid; gap: 10px; }
.stage { display: grid; gap: 4px; }
td input, td textarea { width: 100%; }
td { white-space: normal; }
details > summary { cursor: pointer; font-weight: 600; }
.savebar { border-color: var(--accent); }
table.assets { table-layout: fixed; }
.small { font-size: 12px; }