/* os.css — the Business OS design system (phase prompt §6: "a professional design language,
   information density suited to an operations console"). One file, no framework, system fonts.
   Aesthetic: a machine room, not a marketing site. */
:root {
  --bg: #0c0f13; --panel: #12161c; --panel-2: #171c24; --line: #232a35;
  --text: #d6dde6; --dim: #8b96a5; --faint: #5b6572;
  --accent: #4da3ff; --ok: #3fb96f; --warn: #e0a63c; --crit: #e05252;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text);
  font: 14px/1.45 var(--sans); }
a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; }
code, .mono { font-family: var(--mono); font-size: 12.5px; }

/* ---------- chrome ---------- */
.chrome { display: grid; grid-template-columns: 230px 1fr; grid-template-rows: 44px 1fr; height: 100vh; }
.topbar { grid-column: 1 / 3; display: flex; align-items: center; gap: 16px; padding: 0 14px;
  background: var(--panel); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; letter-spacing: .4px; font-size: 13px; color: var(--text); }
.brand em { color: var(--accent); font-style: normal; }
.statusbar { display: flex; align-items: center; gap: 14px; margin-left: auto; font-family: var(--mono); font-size: 11.5px; color: var(--dim); }
.led { display: inline-flex; align-items: center; gap: 6px; }
.led i { width: 8px; height: 8px; border-radius: 50%; background: var(--faint); display: inline-block; }
.led.ok i { background: var(--ok); } .led.warn i { background: var(--warn); } .led.crit i { background: var(--crit); }
.whoami { color: var(--dim); font-size: 12px; }
.whoami b { color: var(--text); font-weight: 600; }

/* ---------- nav ---------- */
.nav { background: var(--panel); border-right: 1px solid var(--line); overflow-y: auto; padding: 10px 0 20px; }
.nav .mod { margin: 10px 0 2px; padding: 4px 14px; font-size: 10.5px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--faint); }
.nav a { display: flex; justify-content: space-between; align-items: baseline; padding: 5px 14px 5px 20px;
  color: var(--text); font-size: 13px; }
.nav a:hover { background: var(--panel-2); text-decoration: none; }
.nav a.active { background: var(--panel-2); border-left: 2px solid var(--accent); padding-left: 18px; }
.nav a .eta { font-size: 10px; color: var(--faint); font-family: var(--mono); }
.nav a.stub { color: var(--dim); }

/* ---------- main ---------- */
.main { overflow-y: auto; padding: 20px 24px 60px; }
h1 { font-size: 17px; margin: 0 0 4px; } h2 { font-size: 14px; margin: 22px 0 8px; color: var(--text); }
.sub { color: var(--dim); font-size: 12.5px; margin-bottom: 18px; }
.clause { color: var(--faint); font-family: var(--mono); font-size: 10.5px; }

.banner-critical { background: #2a1414; border: 1px solid var(--crit); color: #f0c0c0;
  padding: 10px 14px; border-radius: 4px; margin-bottom: 16px; font-size: 13px; }
.banner-critical b { color: var(--crit); }
.notice { background: #16202b; border: 1px solid #29405c; color: #b7cee8; padding: 9px 13px; border-radius: 4px; margin-bottom: 14px; font-size: 12.5px; }
.error-box { background: #2a1414; border: 1px solid var(--crit); color: #f0c0c0; padding: 9px 13px; border-radius: 4px; margin-bottom: 14px; font-size: 12.5px; }

/* ---------- tables ---------- */
table { border-collapse: collapse; width: 100%; font-size: 12.5px; }
th { text-align: left; font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--faint); padding: 6px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 6px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:hover td { background: var(--panel-2); }
td.mono, th.mono { font-family: var(--mono); font-size: 11.5px; }
.num { text-align: right; font-family: var(--mono); }

.pill { display: inline-block; padding: 1px 7px; border-radius: 9px; font-size: 10.5px;
  font-family: var(--mono); border: 1px solid var(--line); color: var(--dim); }
.pill.ok { color: var(--ok); border-color: #234432; } .pill.warn { color: var(--warn); border-color: #4c3c1c; }
.pill.crit { color: var(--crit); border-color: #4c2323; } .pill.dim { color: var(--faint); }

/* ---------- panels & forms ---------- */
.grid2 { display: grid; grid-template-columns: 1fr 380px; gap: 20px; align-items: start; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 5px; padding: 14px 16px; }
.panel h2 { margin-top: 0; }
label { display: block; font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--dim); margin: 10px 0 3px; }
input[type=text], input[type=password], select, textarea { width: 100%; background: var(--bg); color: var(--text);
  border: 1px solid var(--line); border-radius: 3px; padding: 6px 8px; font: 13px var(--sans); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
.check { display: flex; gap: 8px; align-items: flex-start; margin: 10px 0; font-size: 12.5px; color: var(--text); }
.check input { margin-top: 2px; }
button, .btn { background: #1b2a3d; color: #cfe3fb; border: 1px solid #2c4666; border-radius: 3px;
  padding: 6px 14px; font: 600 12.5px var(--sans); cursor: pointer; }
button:hover { background: #22354e; }
button.danger { background: #3a1a1a; color: #f0bcbc; border-color: #5c2828; }
button.small { padding: 2px 9px; font-size: 11px; }
form.inline { display: inline; }

/* ---------- login ---------- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; background:
  radial-gradient(1200px 500px at 50% -10%, #101827 0%, var(--bg) 60%); }
.login-box { width: 380px; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 26px 28px 22px; }
.login-box .brand { font-size: 15px; margin-bottom: 2px; }
.login-box .sub { margin-bottom: 16px; }
details.breakglass { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 12px; }
details.breakglass summary { color: var(--crit); font-size: 12px; cursor: pointer; }

/* ---------- stubs ---------- */
.stub-page { max-width: 620px; }
.stub-page .eta-big { font-family: var(--mono); color: var(--warn); font-size: 12px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 18px; font-size: 12.5px; }
.kv dt { color: var(--dim); } .kv dd { margin: 0; font-family: var(--mono); font-size: 12px; }

/* ---------- weeks 3–4 "Operate" screens ---------- */
.filters { display:flex; gap:8px; align-items:center; flex-wrap:wrap; margin:12px 0 16px; }
.filters select, .filters input { background:#141920; color:var(--text); border:1px solid var(--line);
  border-radius:6px; padding:6px 8px; font:inherit; font-size:13px; }
.card { background:var(--panel); border:1px solid var(--line); border-radius:10px; padding:16px 18px; margin:14px 0; }
.card h2 { margin-top:0; }
.grid2 { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media (max-width:900px){ .grid2 { grid-template-columns:1fr; } }
.actions { display:flex; flex-direction:column; gap:10px; align-items:flex-start; }
.actions form.inline { display:flex; gap:6px; align-items:center; flex-wrap:wrap; }
.row { display:flex; gap:10px; align-items:flex-end; flex-wrap:wrap; }
.row.wrap label { display:flex; flex-direction:column; gap:4px; font-size:12px; color:var(--dim); }
.row input, .row select, form label input, form label select { background:#141920; color:var(--text);
  border:1px solid var(--line); border-radius:6px; padding:7px 9px; font:inherit; font-size:13px; }
form label { display:inline-flex; flex-direction:column; gap:4px; font-size:12px; color:var(--dim); margin:6px 12px 6px 0; }
label.check { flex-direction:row; align-items:center; gap:8px; font-size:13px; color:var(--text); }
label.check input { width:auto; }
textarea { width:100%; background:#141920; color:var(--text); border:1px solid var(--line);
  border-radius:6px; padding:9px; font-family:var(--mono); font-size:12px; line-height:1.5; }
.link { color:var(--accent); text-decoration:none; }
.link:hover { text-decoration:underline; }
.small-json { font-family:var(--mono); font-size:11px; color:var(--dim); max-width:340px;
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap; display:inline-block; vertical-align:bottom; }
.empty { color:var(--dim); font-style:italic; text-align:center; padding:18px; }
td.num, th.num { text-align:right; font-variant-numeric:tabular-nums; }
dl { display:grid; grid-template-columns:auto 1fr; gap:6px 14px; margin:0; }
dt { color:var(--dim); font-size:12px; }
dd { margin:0; font-size:13px; }
tr.rejected { background:rgba(224,80,80,0.07); }
tr.rejected td { border-left:2px solid var(--crit); }
.live { color:var(--ok); font-size:13px; vertical-align:middle; animation:pulse 2s ease-in-out infinite; }
.live.stale { color:var(--crit); animation:none; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.35} }
@keyframes flashIn { from { background:rgba(77,163,255,0.22); } to { background:transparent; } }
.flash-new { animation:flashIn 1.6s ease-out; }