:root {
  --bg: #0f172a; --panel: #1e293b; --panel2: #273549; --border: #334155;
  --text: #e2e8f0; --muted: #94a3b8;
  --green: #22c55e; --yellow: #eab308; --red: #ef4444; --blue: #3b82f6;
  --grey: #64748b; --orange: #f97316;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg); color: var(--text); font-size: 14px;
}
h2 { font-size: 18px; margin-bottom: 12px; }
h3 { font-size: 15px; margin: 14px 0 8px; }
a { color: var(--blue); }

/* ── Header + status strip (frozen: header + tab nav stay visible on scroll) ── */
#topbar { position: sticky; top: 0; z-index: 100; }
header {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 10px 18px; background: var(--panel); border-bottom: 1px solid var(--border);
}
header .logo { font-size: 16px; font-weight: 700; white-space: nowrap; }
#status-strip { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--panel2); border: 1px solid var(--border);
  border-radius: 14px; padding: 3px 10px; font-size: 12px; cursor: default;
}
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot.ok { background: var(--green); }
.dot.degraded { background: var(--yellow); }
.dot.down { background: var(--red); animation: blink 1s infinite; }
.dot.idle, .dot.none, .dot.disabled { background: var(--grey); }
.dot.dry_run { background: var(--blue); }
@keyframes blink { 50% { opacity: .3; } }
#alert-chip { cursor: pointer; }
#alert-chip.has-alerts { border-color: var(--red); color: #fecaca; }

/* ── Tabs ── */
nav { display: flex; gap: 2px; padding: 0 18px; background: var(--panel); border-bottom: 1px solid var(--border); overflow-x: auto; }
nav button {
  background: none; border: none; color: var(--muted); padding: 10px 14px;
  cursor: pointer; font-size: 13px; border-bottom: 2px solid transparent; white-space: nowrap;
}
nav button.active { color: var(--text); border-bottom-color: var(--blue); }
nav button:hover { color: var(--text); }

main { padding: 18px; max-width: 1500px; margin: 0 auto; }
.tab { display: none; }
.tab.active { display: block; }

/* ── Tables ── */
table { width: 100%; border-collapse: collapse; background: var(--panel); border-radius: 8px; overflow: hidden; }
th, td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--border); }
th { background: var(--panel2); color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }
tr:hover td { background: rgba(255,255,255,.03); }
.table-wrap { overflow-x: auto; border-radius: 8px; border: 1px solid var(--border); }

/* Linfox param availability matrix */
.linfox-matrix td { font-size: 12px; white-space: nowrap; text-align: center; }
.linfox-matrix td:nth-child(2) { text-align: left; font-family: Consolas, monospace; }
.linfox-matrix td.y { color: var(--green); font-weight: 600; }
.linfox-matrix td.n { color: var(--muted); }
.linfox-matrix td.w { color: var(--yellow); cursor: help; }
.w { color: var(--yellow); }

/* sortable headers + per-column filters */
th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { color: var(--text); }
th.sortable[data-sort="asc"]::after { content: " ▲"; color: var(--blue); }
th.sortable[data-sort="desc"]::after { content: " ▼"; color: var(--blue); }
.filter-row td { padding: 3px 5px; background: var(--panel2); border-bottom: 1px solid var(--border); }
.col-filter {
  width: 100%; min-width: 56px; padding: 3px 7px; font-size: 11px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 5px;
}
.col-filter:focus { border-color: var(--blue); }
.bulk-btns { display: flex; align-items: center; gap: 3px; white-space: nowrap; }
.bulk-btns .btn { padding: 2px 6px; }

/* ── State badges ── */
.badge { padding: 2px 9px; border-radius: 10px; font-size: 12px; font-weight: 600; }
.badge.running { background: rgba(34,197,94,.15); color: var(--green); }
.badge.starting { background: rgba(59,130,246,.15); color: var(--blue); }
.badge.paused { background: rgba(148,163,184,.2); color: var(--muted); }
.badge.stopped { background: rgba(100,116,139,.25); color: #cbd5e1; }
.badge.error { background: rgba(239,68,68,.15); color: var(--red); }
.badge.dead { background: rgba(239,68,68,.3); color: #fca5a5; }
.badge.stale { background: rgba(234,179,8,.15); color: var(--yellow); }

/* ── Login status badge (Accounts tab) ── */
.login-badge { padding: 2px 9px; border-radius: 10px; font-size: 12px; font-weight: 600;
  white-space: nowrap; }
.login-badge.ok { background: rgba(34,197,94,.15); color: var(--green); }
.login-badge.fail { background: rgba(239,68,68,.15); color: var(--red); }
.login-badge.unknown { background: rgba(100,116,139,.2); color: var(--muted); }

/* ── Buttons ── */
button.btn {
  background: var(--panel2); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 5px 10px; cursor: pointer; font-size: 12px;
}
button.btn:hover { border-color: var(--blue); }
button.btn.primary { background: var(--blue); border-color: var(--blue); }
button.btn.danger { color: var(--red); }
button.btn.small { padding: 2px 7px; font-size: 11px; }
button.btn:disabled { opacity: .4; cursor: not-allowed; }
.actions { display: flex; gap: 4px; flex-wrap: nowrap; }
.actions .btn, td.actions { white-space: nowrap; }

/* ── Panels / cards / forms ── */
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px 16px; margin-bottom: 14px;
}
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(430px, 1fr)); gap: 14px; }
.kv { display: grid; grid-template-columns: 170px 1fr; row-gap: 5px; font-size: 13px; }
.kv .k { color: var(--muted); }
.muted { color: var(--muted); font-size: 12px; }
.mono { font-family: Consolas, monospace; font-size: 12px; }

form.grid { display: grid; grid-template-columns: 180px 300px; gap: 8px; align-items: center; }
input, select {
  background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 9px; font-size: 13px; width: 100%;
}
input:focus, select:focus { outline: none; border-color: var(--blue); }
label { color: var(--muted); font-size: 13px; }
.form-note { grid-column: 1 / -1; }

.summary-strip { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 10px 16px; min-width: 130px; }
.stat .n { font-size: 22px; font-weight: 700; }
.stat .l { color: var(--muted); font-size: 12px; }

/* ── Plate format QA (Live Data) ── */
.plate-format-list { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 6px; }
.plate-format-chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; padding: 4px 10px; font-size: 13px;
}
.plate-format-chip .chip-x {
  background: none; border: none; color: var(--muted);
  cursor: pointer; font-size: 13px; padding: 0 2px;
}
.plate-format-chip .chip-x:hover { color: var(--red); }
.plate-add-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
tr.plate-bad > td { background: rgba(239,68,68,.12); }
.plate-bad-text { color: var(--red); }
td.plate-cell { white-space: nowrap; min-width: 96px; }
#plate-dup-table tr.dup-grp-0 > td { background: rgba(234,179,8,.07); }
#plate-dup-table tr.dup-grp-1 > td { background: rgba(234,179,8,.14); }
input.plate-fix {
  width: 150px; font-family: ui-monospace, monospace;
  border-color: var(--yellow);
}

/* ── Overlay (critical alerts) ── */
#overlay {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,.65);
  z-index: 200; align-items: center; justify-content: center;
}
#overlay.show { display: flex; }
#overlay .box {
  background: var(--panel); border: 2px solid var(--red); border-radius: 10px;
  width: min(620px, 92vw); max-height: 80vh; overflow-y: auto; padding: 20px;
}
#overlay h2 { color: var(--red); display: flex; align-items: center; gap: 8px; }
.overlay-alert { border: 1px solid var(--border); border-left: 4px solid var(--red);
  border-radius: 6px; padding: 10px 12px; margin: 10px 0; }
.overlay-alert .meta { color: var(--muted); font-size: 12px; margin-top: 4px; }

/* ── Toasts (warnings) ── */
#toasts { position: fixed; top: 60px; right: 16px; z-index: 150; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: var(--panel); border: 1px solid var(--yellow); border-left: 4px solid var(--yellow);
  border-radius: 6px; padding: 10px 14px; width: 320px; font-size: 13px;
  box-shadow: 0 4px 16px rgba(0,0,0,.4);
}
.toast .meta { color: var(--muted); font-size: 11px; margin-top: 3px; }

/* ── Alerts tab ── */
.sev-critical { color: var(--red); font-weight: 700; }
.sev-warning { color: var(--yellow); font-weight: 600; }
.sev-info { color: var(--blue); }

.help { background: var(--panel2); border-radius: 6px; padding: 10px 14px; font-size: 13px; line-height: 1.55; }
.help code { background: var(--bg); padding: 1px 5px; border-radius: 4px; font-size: 12px; }
.flash { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%);
  background: var(--panel2); border: 1px solid var(--blue); padding: 9px 18px;
  border-radius: 8px; z-index: 300; }

/* ── Server process card (Dashboard) ── */
.server-card { margin-bottom: 14px; }
.server-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.server-head .server-actions { margin-left: auto; display: flex; gap: 8px; }
.server-stats { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 10px 0 8px; font-size: 13px; }
.server-stats .sstat b { color: var(--muted); font-weight: 600; font-size: 11px;
  text-transform: uppercase; letter-spacing: .4px; margin-right: 4px; }
#server-note code { background: var(--bg); padding: 1px 5px; border-radius: 4px; }

/* ── Live Data: fleet-wide Linfox push-status summary (click a row to filter) ── */
#push-summary .summary-table { max-width: 520px; }
.sum-row { cursor: pointer; }
.sum-row:hover { background: var(--panel2); }
.sum-row td:first-child { font-weight: 600; }
.sum-row.ok       td:first-child { color: var(--green); }
.sum-row.notfound td:first-child { color: var(--orange); }
.sum-row.bad      td:first-child { color: var(--red); }
.sum-row.pending  td:first-child { color: var(--muted); }
.sum-row.all      td:first-child { color: var(--text); }

/* ── Login page ── */
body.login-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
}
.login-box { width: min(360px, 92vw); text-align: center; padding: 28px 26px; }
.login-box .login-logo { font-size: 40px; margin-bottom: 6px; }
.login-box h1 { font-size: 20px; margin-bottom: 4px; }
.login-box form { display: flex; flex-direction: column; gap: 6px; text-align: left; }
.login-box label { margin-top: 6px; }
.login-box .btn { margin-top: 14px; padding: 8px; font-size: 14px; }
.login-error { color: var(--red); font-size: 13px; margin-top: 12px; min-height: 18px; }

/* ── Read-only mode (role has View but not Edit on the section) ──
   Hide action buttons and freeze form fields; .btn-view marks the buttons that
   are safe view actions (plate check / duplicates / export CSV). The backend
   rejects forged write requests with 403 regardless. */
.tab.no-edit .btn:not(.btn-view) { display: none; }
.tab.no-edit form input, .tab.no-edit form select {
  pointer-events: none; opacity: .55;
}

/* ── Admin tab: role permission grid ── */
.perm-grid-wrap { margin: 12px 0 4px; max-width: 560px; }
.perm-grid { margin-bottom: 6px; }
.perm-grid th:nth-child(n+2), .perm-grid td:nth-child(n+2) { text-align: center; width: 70px; }
.perm-grid input[type="checkbox"] { width: auto; cursor: pointer; transform: scale(1.2); }
.check-inline { display: flex; align-items: center; gap: 8px; color: var(--text); }
.check-inline input[type="checkbox"] { width: auto; }
#user-chip { max-width: 260px; overflow: hidden; text-overflow: ellipsis; }