/* Hallmark disciplines applied for an internal ops console: locked tokens, all interactive states,
 * responsive 320/375/414/768, honest data (dashes when unknown), roman headings. */
:root {
  --color-paper: #f6f5f1;
  --color-paper-2: #ffffff;
  --color-paper-3: #ecebe5;
  --color-ink: #1d1f1e;
  --color-ink-2: #4a4f4c;
  --color-line: #d9d7cf;
  --color-accent: #0f6b5b;
  --color-accent-ink: #ffffff;
  --color-ok: #1f7a3a;
  --color-ok-bg: #e3f2e6;
  --color-warn: #8a5a00;
  --color-warn-bg: #fdf0d2;
  --color-danger: #a8261c;
  --color-danger-bg: #fbe3e0;
  --color-info: #1d4f91;
  --color-info-bg: #e2ebf8;
  --color-muted-bg: #ecebe5;
  --color-focus: #1d4f91;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --radius: 6px;
  --space: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --color-paper: #141615;
    --color-paper-2: #1c1f1e;
    --color-paper-3: #262a28;
    --color-ink: #ecebe5;
    --color-ink-2: #b4b8b5;
    --color-line: #353a38;
    --color-accent: #3fb59d;
    --color-accent-ink: #0b1210;
    --color-ok: #6fcf86;
    --color-ok-bg: #18301f;
    --color-warn: #f0c060;
    --color-warn-bg: #3a2e12;
    --color-danger: #f08a80;
    --color-danger-bg: #3d1915;
    --color-info: #8fb5ef;
    --color-info-bg: #18263b;
    --color-muted-bg: #262a28;
    --color-focus: #8fb5ef;
  }
}

* { box-sizing: border-box; }
html, body { overflow-x: clip; }
body { margin: 0; background: var(--color-paper); color: var(--color-ink); font: 14px/1.45 var(--font-body); }
h1, h2, h3 { font-style: normal; margin: 0 0 8px; line-height: 1.2; overflow-wrap: anywhere; min-width: 0; }
h1 { font-size: 20px; } h2 { font-size: 16px; } h3 { font-size: 14px; }
a { color: var(--color-accent); }
code, .mono { font-family: var(--font-mono); font-size: 12.5px; }
td > code { white-space: nowrap; }
.muted { color: var(--color-ink-2); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
[hidden] { display: none !important; }

.topbar { position: sticky; top: 0; z-index: 5; display: flex; flex-wrap: wrap; gap: 8px var(--space); align-items: center;
  justify-content: space-between; padding: 10px 16px; background: var(--color-paper-2); border-bottom: 1px solid var(--color-line); }
.brand { display: flex; flex-direction: column; min-width: 0; }
.brand-sub { font-size: 12px; }
.topbar-right { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.machine-pick select { min-width: 140px; }

.tabs { display: grid; grid-template-columns: repeat(8, minmax(0, auto)); gap: 2px; padding: 0 16px; background: var(--color-paper-2);
  border-bottom: 1px solid var(--color-line); }
.tabs a { padding: 10px 12px; color: var(--color-ink-2); text-decoration: none; white-space: nowrap; border-bottom: 2px solid transparent; }
.tabs a:hover { color: var(--color-ink); background: var(--color-paper-3); }
.tabs a:focus-visible { outline: 2px solid var(--color-focus); outline-offset: -2px; }
.tabs a[aria-current="page"] { color: var(--color-ink); border-bottom-color: var(--color-accent); font-weight: 600; }

main { padding: 16px; max-width: 1280px; margin: 0 auto; outline: none; }
.grid { display: grid; gap: var(--space); grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid-2 { display: grid; gap: var(--space); grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); }
.card { background: var(--color-paper-2); border: 1px solid var(--color-line); border-radius: var(--radius); padding: 14px; min-width: 0; }
.card + .card { margin-top: var(--space); }
.grid > .card + .card, .grid-2 > .card + .card { margin-top: 0; }
.section-head { display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; justify-content: space-between; margin-bottom: 8px; }
.kv { display: grid; grid-template-columns: minmax(0, 150px) minmax(0, 1fr); gap: 4px 12px; margin: 0; }
.kv dt { color: var(--color-ink-2); }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.row-end { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; margin-top: 12px; }
.stack > * + * { margin-top: 8px; }

.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field > span { font-size: 12px; color: var(--color-ink-2); }
.form-grid { display: grid; gap: 8px var(--space); grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr)); align-items: end; }
input, select, textarea { font: inherit; color: var(--color-ink); background: var(--color-paper-2); border: 1px solid var(--color-line);
  border-radius: var(--radius); padding: 7px 9px; min-width: 0; max-width: 100%; }
textarea { width: 100%; min-height: 160px; font-family: var(--font-mono); font-size: 12.5px; }
input:hover, select:hover, textarea:hover { border-color: var(--color-ink-2); }
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 1px; }
input:disabled, select:disabled, textarea:disabled { opacity: .55; cursor: not-allowed; }
input[aria-invalid="true"] { border-color: var(--color-danger); }
.check { display: flex; gap: 8px; align-items: flex-start; margin: 10px 0; }

.btn { font: inherit; border: 1px solid var(--color-line); background: var(--color-paper-2); color: var(--color-ink); padding: 7px 12px;
  border-radius: var(--radius); cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--color-paper-3); }
.btn:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn[data-state="loading"] { cursor: progress; opacity: .7; }
.btn-primary { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-accent-ink); }
.btn-primary:hover { filter: brightness(1.08); background: var(--color-accent); }
.btn-danger { background: var(--color-danger); border-color: var(--color-danger); color: #fff; }
.btn-danger:hover { filter: brightness(1.08); background: var(--color-danger); }
.btn-quiet { border-color: transparent; background: transparent; }
.btn-small { padding: 3px 8px; font-size: 12px; }

.badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600;
  background: var(--color-muted-bg); color: var(--color-ink-2); white-space: nowrap; }
.tone-ok { background: var(--color-ok-bg); color: var(--color-ok); }
.tone-warn { background: var(--color-warn-bg); color: var(--color-warn); }
.tone-danger { background: var(--color-danger-bg); color: var(--color-danger); }
.tone-info { background: var(--color-info-bg); color: var(--color-info); }
.tone-muted { background: var(--color-muted-bg); color: var(--color-ink-2); }

.table-wrap { overflow-x: auto; max-width: 100%; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--color-line); vertical-align: top; }
th { font-weight: 600; color: var(--color-ink-2); background: var(--color-paper-3); position: sticky; top: 0; }
tr[data-selected="true"] td { background: var(--color-info-bg); }
tbody tr:hover td { background: var(--color-paper-3); }
.empty { color: var(--color-ink-2); padding: 12px 0; }

.alerts { list-style: none; margin: 0; padding: 0; }
.alerts li { padding: 6px 0; border-bottom: 1px solid var(--color-line); display: flex; gap: 8px; flex-wrap: wrap; }
.timeline { list-style: none; margin: 0; padding: 0; font-size: 12.5px; }
.timeline li { padding: 3px 0; border-left: 2px solid var(--color-line); padding-left: 8px; }
.stream { font-family: var(--font-mono); font-size: 12px; max-height: 480px; overflow: auto; margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.chart { width: 100%; height: 160px; display: block; }
.chart .line { fill: none; stroke: var(--color-accent); stroke-width: 2; }
.chart .limit { stroke: var(--color-warn); stroke-dasharray: 4 4; stroke-width: 1; }
.chart .axis { fill: var(--color-ink-2); font-size: 10px; }
.cmd-group h3 { margin-top: 12px; }
.cmd-grid { display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); }
.cmd { border: 1px solid var(--color-line); border-radius: var(--radius); padding: 10px; display: flex; flex-direction: column; min-width: 0; }
.cmd .row-end { margin-top: auto; padding-top: 8px; }
.cmd[data-disabled="true"] { opacity: .6; }
.cmd-head { display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; justify-content: space-between; }
.error { color: var(--color-danger); min-height: 1em; }

.login { display: grid; place-items: center; padding: 48px 16px; }
.login-card { width: min(100%, 360px); display: flex; flex-direction: column; gap: 12px; }

.toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 20; max-width: min(92vw, 420px); }
.toast { padding: 10px 12px; border-radius: var(--radius); border: 1px solid var(--color-line); background: var(--color-paper-2); box-shadow: 0 2px 8px rgb(0 0 0 / .12); }
.toast.tone-danger { border-color: var(--color-danger); }
.dialog { border: 1px solid var(--color-line); border-radius: var(--radius); background: var(--color-paper-2); color: var(--color-ink); max-width: min(92vw, 520px); }
.dialog::backdrop { background: rgb(0 0 0 / .4); }

@media (max-width: 900px) {
  .grid-2 { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 768px) {
  /* tab strip scrolls inside itself; the page never scrolls sideways and labels never wrap */
  .tabs { display: flex; overflow-x: auto; scrollbar-width: thin; padding: 0 8px; }
  .tabs a { padding: 10px 10px; flex: 0 0 auto; }
  main { padding: 12px; }
  .brand-sub { display: none; }
}
@media (max-width: 414px) {
  .kv { grid-template-columns: minmax(0, 1fr); }
  .kv dt { margin-top: 6px; }
  .topbar-right { width: 100%; }
  .machine-pick, .machine-pick select { flex: 1 1 auto; min-width: 0; }
}