/* SSEI Team: same language as Growth & Ops. Plex Sans to read, Plex Mono for
   every figure and label. Hairlines, no shadows, one petrol accent. */
:root {
  --bg: #f4f6f8; --surface: #fff; --sunk: #eef1f4; --hover: #f7f9fb;
  --ink: #14181f; --ink-2: #414a58; --ink-3: #6b7684; --ink-4: #97a1af;
  --line: #e2e6ec; --line-strong: #cbd2dc;
  --accent: #1e5f74; --accent-ink: #164c5e; --accent-soft: #e3eef2;
  --good: #2f7d4f; --good-soft: #e5f2ea; --warn: #a36410; --warn-soft: #fbf0de;
  --bad: #b13d3d; --bad-soft: #f8e5e5; --info: #3a5ba8; --info-soft: #e7ecf8;
  --r: 8px; --mono: 'IBM Plex Mono', ui-monospace, Menlo, monospace;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1318; --surface: #161b22; --sunk: #1c222b; --hover: #1a2029;
    --ink: #e8ecf1; --ink-2: #b9c1cc; --ink-3: #8a94a2; --ink-4: #5f6875;
    --line: #262d37; --line-strong: #353e4a;
    --accent: #5fa9c0; --accent-ink: #8cc4d6; --accent-soft: #17303a;
    --good: #5fbf85; --good-soft: #15291e; --warn: #e0a14a; --warn-soft: #2d2213;
    --bad: #e07a7a; --bad-soft: #2e1919; --info: #8aa6e6; --info-soft: #1a2238;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.5 var(--sans); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; color: inherit; }
[hidden] { display: none !important; }
.boot { padding: 48px; color: var(--ink-3); font-family: var(--mono); }

/* Layout */
.shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.rail { background: var(--surface); border-right: 1px solid var(--line); padding: 18px 14px; display: flex; flex-direction: column; gap: 18px; position: sticky; top: 0; height: 100vh; }
.brand { font-weight: 600; letter-spacing: .01em; display: flex; align-items: center; gap: 8px; }
.brand-mark { width: 22px; height: 22px; border-radius: 6px; background: var(--accent); }
.nav { display: flex; flex-direction: column; gap: 2px; }
.nav a { padding: 7px 10px; border-radius: 6px; color: var(--ink-2); display: flex; justify-content: space-between; }
.nav a:hover { background: var(--hover); text-decoration: none; }
.nav a.on { background: var(--accent-soft); color: var(--accent-ink); font-weight: 500; }
.nav .count { font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
.rail-foot { margin-top: auto; font-size: 12px; color: var(--ink-3); display: flex; flex-direction: column; gap: 6px; }
.main { padding: 22px 28px 60px; max-width: 1280px; width: 100%; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.topbar h1 { font-size: 20px; margin: 0; font-weight: 600; }
.sub { color: var(--ink-3); font-size: 13px; }
.label { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }

/* Surfaces */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 16px; }
.card + .card { margin-top: 14px; }
.card h2 { font-size: 14px; margin: 0 0 10px; font-weight: 600; display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.grid2 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 14px; align-items: start; }
.stack > * + * { margin-top: 14px; }
.empty { color: var(--ink-3); font-size: 13px; padding: 6px 0; }

/* Buttons and fields */
.btn { border: 1px solid var(--line-strong); background: var(--surface); padding: 6px 12px; border-radius: 6px; cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--hover); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-ink); }
.btn-sm { padding: 3px 9px; font-size: 12.5px; }
.btn-quiet { border-color: transparent; background: transparent; color: var(--ink-2); }
.btn-danger { color: var(--bad); }
.btn:disabled { opacity: .5; cursor: default; }
.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; }
.field > span { font-size: 12px; color: var(--ink-3); }
input[type=text], input[type=email], input[type=password], input[type=date], input[type=url], select, textarea {
  border: 1px solid var(--line-strong); background: var(--surface); border-radius: 6px; padding: 7px 9px; width: 100%; }
textarea { min-height: 70px; resize: vertical; }
input:focus, select:focus, textarea:focus, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row > .grow { flex: 1; min-width: 160px; }

/* Lists */
.list { list-style: none; margin: 0; padding: 0; }
.list li { padding: 9px 0; border-top: 1px solid var(--line); display: flex; gap: 10px; align-items: center; justify-content: space-between; }
.list li:first-child { border-top: 0; }
.item-title { font-weight: 500; }
.item-meta { font-size: 12.5px; color: var(--ink-3); font-family: var(--mono); }
.pill { font-family: var(--mono); font-size: 11px; padding: 1px 7px; border-radius: 999px; border: 1px solid var(--line-strong); color: var(--ink-2); white-space: nowrap; }
.pill.draft { }
.pill.in_review { background: var(--info-soft); border-color: transparent; color: var(--info); }
.pill.approved { background: var(--accent-soft); border-color: transparent; color: var(--accent-ink); }
.pill.assigned, .pill.in_progress { background: var(--warn-soft); border-color: transparent; color: var(--warn); }
.pill.done { background: var(--good-soft); border-color: transparent; color: var(--good); }
.pill.blocked, .pill.cancelled { background: var(--bad-soft); border-color: transparent; color: var(--bad); }
.late { color: var(--bad); }

/* Board */
.board { display: grid; grid-template-columns: repeat(6, minmax(190px, 1fr)); gap: 10px; overflow-x: auto; padding-bottom: 8px; }
.col { background: var(--sunk); border-radius: var(--r); padding: 8px; min-height: 120px; }
.col-head { display: flex; justify-content: space-between; padding: 2px 4px 8px; }
.tile { display: block; background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 8px 9px; margin-bottom: 7px; color: var(--ink); }
.tile:hover { border-color: var(--line-strong); text-decoration: none; }
.tile .item-meta { margin-top: 3px; display: flex; justify-content: space-between; gap: 6px; }

/* Templates */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 1px solid var(--line-strong); background: var(--surface); border-radius: 999px; padding: 4px 11px; cursor: pointer; font-size: 13px; }
.chip:hover { border-color: var(--accent); color: var(--accent-ink); }

/* Check-in */
.clock { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.place { font-family: var(--mono); font-size: 12px; padding: 2px 8px; border-radius: 999px; }
.place.office, .place.usual { background: var(--good-soft); color: var(--good); }
.place.elsewhere { background: var(--warn-soft); color: var(--warn); }
.place.unavailable { background: var(--sunk); color: var(--ink-3); }

/* Task page */
.kv { display: grid; grid-template-columns: 120px 1fr; gap: 6px 12px; font-size: 13.5px; }
.kv dt { color: var(--ink-3); }
.kv dd { margin: 0; }
.timeline { list-style: none; margin: 0; padding: 0; font-size: 13px; }
.timeline li { padding: 6px 0 6px 14px; border-left: 2px solid var(--line); position: relative; }
.timeline li::before { content: ''; position: absolute; left: -5px; top: 12px; width: 8px; height: 8px; border-radius: 50%; background: var(--line-strong); }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.inline-form { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); }

/* Tables */
.tbl-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
th { text-align: left; font-family: var(--mono); font-size: 11px; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-3); font-weight: 500; padding: 6px 8px; border-bottom: 1px solid var(--line-strong); }
td { padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }

/* Login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login .card { width: 100%; max-width: 360px; padding: 24px; }
.login h1 { font-size: 18px; margin: 0 0 4px; }
.err { color: var(--bad); font-size: 13px; min-height: 18px; }

/* Bell + toast */
.bell { position: relative; }
.bell .dot { position: absolute; top: -4px; right: -6px; background: var(--bad); color: #fff; font-family: var(--mono); font-size: 10px; border-radius: 999px; padding: 0 5px; }
.notes-panel { position: absolute; right: 0; top: 34px; width: 340px; max-width: 90vw; z-index: 20; }
.toast { position: fixed; bottom: calc(18px + env(safe-area-inset-bottom, 0px)); left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 9px 16px; border-radius: 8px; font-size: 13px; z-index: 50; max-width: 90vw; }

/* Phone */
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .rail { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; padding: 10px 16px; gap: 10px; border-right: 0; border-bottom: 1px solid var(--line); }
  .nav { flex-direction: row; flex-wrap: wrap; }
  .rail-foot { margin-top: 0; flex-direction: row; }
  .main { padding: 16px; }
  .grid2 { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 100px 1fr; }
}