/* Operations UI: dense, legible, no chrome that isn't carrying information.
   Light and dark both supported — this gets read at 3am as often as at noon. */

:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --border: #dfe3e8;
  --text: #1b1f24;
  --text-muted: #667085;
  --accent: #b3261e;
  --ok-bg: #e6f4ea;    --ok-fg: #1e6b34;
  --warn-bg: #fdf1dc;  --warn-fg: #8a5a00;
  --breach-bg: #fce8e6; --breach-fg: #a3211a;
  --unknown-bg: #eceff3; --unknown-fg: #5f6672;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a;
    --surface: #1c2024;
    --border: #2c3238;
    --text: #e6e9ed;
    --text-muted: #99a2ad;
    --accent: #ff6b60;
    --ok-bg: #133021;    --ok-fg: #7ee2a8;
    --warn-bg: #33270f;  --warn-fg: #f0c05a;
    --breach-bg: #3a1714; --breach-fg: #ff8b80;
    --unknown-bg: #24292e; --unknown-fg: #9aa3ad;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); font-size: 0.9em; }
pre {
  font-family: var(--mono); font-size: 0.85em; white-space: pre-wrap;
  background: var(--bg); border: 1px solid var(--border); border-radius: 6px;
  padding: 10px; margin: 6px 0 0; overflow-x: auto;
}

/* ── Top bar ─────────────────────────────────────────────────────────── */
.topbar {
  position: relative;
  display: flex; align-items: center; gap: 16px;
  padding: 10px 16px; background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: baseline; gap: 10px; flex: 1; min-width: 0; }
.brand a { font-weight: 700; color: var(--text); letter-spacing: -0.01em; }
.brand .where { color: var(--text-muted); font-size: 0.95em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* The hamburger: a checkbox the label toggles; the menu drops down below the
   bar. No JavaScript, so it works under the CSP and before style.css loads
   the menu simply reads as a list. */
.nav-toggle { position: absolute; opacity: 0; pointer-events: none; }
.hamburger {
  display: flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 40px; height: 40px; padding: 8px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--border); background: var(--bg);
}
.hamburger span { display: block; height: 2px; border-radius: 1px; background: var(--text); transition: transform .15s, opacity .15s; }
.hamburger:hover { border-color: var(--text-muted); }
.nav-toggle:focus-visible + .hamburger { outline: 2px solid var(--accent); outline-offset: 2px; }
.nav-toggle:checked + .hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle:checked + .hamburger span:nth-child(2) { opacity: 0; }
.nav-toggle:checked + .hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.topbar .menu {
  display: none;
  position: absolute; left: 16px; top: calc(100% + 6px); z-index: 20;
  flex-direction: column; min-width: 220px; padding: 6px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0,0,0,.18);
}
.nav-toggle:checked ~ .menu { display: flex; }
.topbar .menu a {
  display: block; padding: 10px 14px; border-radius: 6px;
  color: var(--text); font-weight: 500;
}
.topbar .menu a:hover { background: var(--bg); text-decoration: none; }
.topbar .menu a.active { background: var(--bg); color: var(--accent); }
.session { display: flex; align-items: center; gap: 12px; }
.who { color: var(--text-muted); font-size: 0.9em; }
button.link {
  background: none; border: none; color: var(--accent); cursor: pointer;
  font: inherit; padding: 0;
}
.badge {
  display: inline-block; min-width: 18px; padding: 0 5px; border-radius: 9px;
  background: var(--breach-bg); color: var(--breach-fg);
  font-size: 0.75em; font-weight: 700; text-align: center;
}

main { max-width: 1180px; margin: 0 auto; padding: 24px; }
h1 { font-size: 1.5rem; margin: 0 0 4px; letter-spacing: -0.01em; }
h2 { font-size: 1rem; margin: 0 0 12px; letter-spacing: -0.005em; }
.subtitle { color: var(--text-muted); margin: 0 0 20px; font-size: 0.9em; }

/* ── Cards & grid ────────────────────────────────────────────────────── */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 18px; margin-bottom: 18px;
}
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; }
.grid .card { margin-bottom: 0; }
.filters { display: flex; gap: 10px; font-size: 0.85em; }

/* ── Tier banner ─────────────────────────────────────────────────────── */
.tier {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  border: 1px solid var(--border); border-left-width: 6px;
  border-radius: 10px; padding: 18px 22px; margin-bottom: 18px;
  background: var(--surface);
}
.tier-state { font-size: 2rem; font-weight: 800; letter-spacing: -0.02em; }
.tier-detail { flex: 1; min-width: 260px; }
.tier-trigger { margin: 0; font-weight: 500; }
.tier-meta { margin: 4px 0 0; color: var(--text-muted); font-size: 0.87em; }
.transition { font-variant-numeric: tabular-nums; }
.tier-green  { border-left-color: #1e8e3e; } .tier-green .tier-state  { color: #1e8e3e; }
.tier-amber  { border-left-color: #e8a33d; } .tier-amber .tier-state  { color: #b97b13; }
.tier-red    { border-left-color: #d93025; } .tier-red .tier-state    { color: #d93025; }
.tier-black  { border-left-color: #202124; } .tier-black .tier-state  { color: var(--text); }
.tier-unknown{ border-left-color: var(--border); } .tier-unknown .tier-state { color: var(--text-muted); }
.stale-warning {
  margin: 8px 0 0; padding: 8px 10px; border-radius: 6px;
  background: var(--warn-bg); color: var(--warn-fg); font-size: 0.87em;
}

.banner { border-radius: 10px; padding: 14px 18px; margin-bottom: 18px; }
.banner-breach { background: var(--breach-bg); color: var(--breach-fg); }

/* ── Tables ──────────────────────────────────────────────────────────── */
table.data { width: 100%; border-collapse: collapse; font-size: 0.9em; }
table.data th, table.data td {
  text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border);
  vertical-align: top;
}
table.data th {
  font-size: 0.78em; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--text-muted); font-weight: 600;
}
table.data tr:last-child td { border-bottom: none; }
table.data.compact th, table.data.compact td { padding: 6px 8px; font-size: 0.95em; }
.numeric { text-align: right; font-variant-numeric: tabular-nums; }
.vital-name { font-weight: 500; }
.unit { color: var(--text-muted); font-size: 0.85em; }
.muted { color: var(--text-muted); }
.error-text { color: var(--breach-fg); }
.because { color: var(--text-muted); font-size: 0.87em; margin: 4px 0 0; }
.note {
  color: var(--text-muted); font-size: 0.85em; margin: 14px 0 0;
  padding-top: 12px; border-top: 1px solid var(--border);
}
.summary { margin: 0 0 14px; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.summary.big { font-size: 1.6rem; font-weight: 700; }
.empty { color: var(--text-muted); font-style: italic; margin: 4px 0; }

/* Wide tables scroll inside their card rather than the page. */
.card { overflow-x: auto; }

.message-row td { padding-top: 0; }
tr.urgent td:first-child { box-shadow: inset 3px 0 0 var(--breach-fg); }
tr.acknowledged { opacity: 0.6; }

/* ── Definition lists ────────────────────────────────────────────────── */
dl.kv { display: grid; grid-template-columns: minmax(140px, auto) 1fr; gap: 8px 16px; margin: 0; font-size: 0.9em; }
dl.kv dt { color: var(--text-muted); }
dl.kv dd { margin: 0; }

/* ── Pills ───────────────────────────────────────────────────────────── */
.pill {
  display: inline-block; padding: 2px 8px; border-radius: 10px;
  font-size: 0.78em; font-weight: 600; white-space: nowrap;
  background: var(--unknown-bg); color: var(--unknown-fg);
}
.pill-ok, .pill-green { background: var(--ok-bg); color: var(--ok-fg); }
.pill-warn, .pill-amber { background: var(--warn-bg); color: var(--warn-fg); }
.pill-breach, .pill-red, .pill-black { background: var(--breach-bg); color: var(--breach-fg); }

/* ── Sparklines ──────────────────────────────────────────────────────── */
.spark-cell { width: 130px; }
.spark { display: block; color: var(--text-muted); }
.spark-up { color: var(--ok-fg); }
.spark-down { color: var(--warn-fg); }
.spark-empty { color: var(--text-muted); }

/* ── Actions list ────────────────────────────────────────────────────── */
ol.actions { margin: 0; padding-left: 18px; font-size: 0.92em; }
ol.actions li { margin-bottom: 10px; }
.urgency {
  display: inline-block; margin-right: 6px; padding: 1px 7px; border-radius: 8px;
  font-size: 0.75em; font-weight: 700; text-transform: uppercase;
  background: var(--unknown-bg); color: var(--unknown-fg);
}
.urgency-urgent { background: var(--breach-bg); color: var(--breach-fg); }
.urgency-soon { background: var(--warn-bg); color: var(--warn-fg); }

/* ── Forms ───────────────────────────────────────────────────────────── */
button[type="submit"] {
  background: var(--accent); color: #fff; border: none; border-radius: 6px;
  padding: 7px 14px; font: inherit; font-size: 0.88em; font-weight: 600; cursor: pointer;
}
button[type="submit"]:hover { filter: brightness(1.08); }

details summary { cursor: pointer; color: var(--text-muted); font-size: 0.85em; margin-top: 4px; }

/* ── Login ───────────────────────────────────────────────────────────── */
body.login-page { display: grid; place-items: center; min-height: 100vh; }
.login-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 32px; width: min(380px, calc(100vw - 32px));
}
.login-card h1 { margin-bottom: 20px; }
.login-card label { display: block; font-size: 0.85em; color: var(--text-muted); margin: 14px 0 5px; }
.login-card input {
  width: 100%; padding: 9px 11px; font: inherit;
  border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg); color: var(--text);
}
.login-card button { width: 100%; margin-top: 22px; padding: 10px; }
.login-card .hint { margin: 18px 0 0; font-size: 0.8em; color: var(--text-muted); }
.error {
  background: var(--breach-bg); color: var(--breach-fg);
  padding: 10px 12px; border-radius: 6px; font-size: 0.88em; margin: 0;
}

footer {
  max-width: 1180px; margin: 0 auto; padding: 0 24px 40px;
  color: var(--text-muted); font-size: 0.82em;
}

/* The command a page hands you to run over SSH. */
pre.cmd {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  padding: 10px 12px;
  font: 13px/1.5 var(--mono);
  overflow-x: auto;
  user-select: all;
}