:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --panel-2: #f0f3f9;
  --line: #e2e7f0;
  --text: #111827;
  --muted: #5b6677;
  --accent: #2563eb;
  --accent-soft: #e7eefe;
  --ok: #059669;
  --ok-soft: #e3f6ef;
  --warn: #b45309;
  --warn-soft: #fdf1e1;
  --crit: #dc2626;
  --crit-soft: #fde8e8;
  --in: #2563eb;
  --out: #10b981;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
  --radius: 12px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220; --panel: #111a2c; --panel-2: #16213a; --line: #24314d; --text: #e8edf6; --muted: #98a4ba;
    --accent: #60a5fa; --accent-soft: #1b2a4a; --ok: #34d399; --ok-soft: #10302a; --warn: #fbbf24; --warn-soft: #33290f;
    --crit: #f87171; --crit-soft: #3a1717; --in: #60a5fa; --out: #34d399; --shadow: none; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 24px; margin: 0 0 4px; letter-spacing: -.01em; }
h2 { font-size: 18px; margin: 0 0 12px; }
h3 { font-size: 15px; margin: 0 0 8px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .92em; }
[hidden] { display: none !important; }

/* buttons + forms */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 1px solid var(--line); background: var(--panel);
  color: var(--text); border-radius: 8px; padding: 8px 14px; font: inherit; font-weight: 550; cursor: pointer; text-decoration: none; }
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--crit); }
.btn.ghost { background: transparent; }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn.wide { width: 100%; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }
.linkbtn { background: none; border: 0; padding: 0; color: var(--accent); font: inherit; cursor: pointer; }
.field { display: grid; gap: 4px; margin: 0 0 12px; }
.field > span { font-size: 13px; font-weight: 600; color: var(--muted); }
input, select, textarea { font: inherit; color: var(--text); background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: var(--accent); }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 0 12px; }
.form-error { background: var(--crit-soft); color: var(--crit); border-radius: 8px; padding: 8px 12px; font-size: 14px; }
.code-input { font-size: 22px; letter-spacing: .3em; text-align: center; }

/* auth pages */
.auth-page { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.auth-card { width: 100%; max-width: 400px; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 28px; box-shadow: var(--shadow); }
.auth-card .brand { margin-bottom: 22px; }
.auth-card form h1 { margin-bottom: 2px; }
.auth-card form > .muted { margin: 0 0 18px; }

/* layout */
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 17px; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 28px; height: 28px; border-radius: 8px; background: var(--accent) url("/static/favicon.svg") center / cover; flex: none; }
.topbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 20px; padding: 10px 24px; background: var(--panel);
  border-bottom: 1px solid var(--line); }
.nav { display: flex; gap: 4px; flex: 1; }
.nav a { color: var(--muted); padding: 7px 12px; border-radius: 8px; font-weight: 550; font-size: 14px; }
.nav a:hover { background: var(--panel-2); text-decoration: none; color: var(--text); }
.nav a.active { background: var(--accent-soft); color: var(--accent); }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--line); border-radius: 8px; color: var(--text); font-size: 18px; padding: 4px 10px; }
.who { display: flex; align-items: center; gap: 10px; }
.who-link { display: flex; align-items: center; gap: 8px; color: var(--text); }
.who-link:hover { text-decoration: none; }
.who-text { display: grid; line-height: 1.2; }
.who-text b { font-size: 13px; }
.who-text small { color: var(--muted); font-size: 12px; }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-weight: 700; font-size: 13px; }
.badge { display: inline-block; min-width: 18px; padding: 0 5px; border-radius: 9px; background: var(--accent); color: #fff; font-size: 11px; text-align: center; line-height: 18px; }
.notice-bar { background: var(--accent-soft); color: var(--text); padding: 8px 24px; font-size: 14px; }
.page { max-width: 1180px; margin: 0 auto; padding: 24px; outline: none; }
.foot { max-width: 1180px; margin: 0 auto; padding: 8px 24px 32px; color: var(--muted); font-size: 13px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.page-head p { margin: 0; }
.back { display: inline-block; font-size: 14px; margin-bottom: 8px; }

/* panels */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); margin-bottom: 16px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.panel-head h2, .panel-head h3 { margin: 0; }
.grid { display: grid; gap: 16px; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.kpi-label { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.kpi-value { font-size: 26px; font-weight: 700; margin-top: 2px; }
.kpi-sub { font-size: 13px; color: var(--muted); }
.kpi.alert { border-color: var(--crit); background: var(--crit-soft); }

/* service cards */
.svc { display: grid; gap: 12px; }
.svc-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.svc-top h3 { margin: 0; font-size: 16px; }
.svc-top a { color: var(--text); }
.svc-where { color: var(--muted); font-size: 13px; }
.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 650; padding: 3px 10px; border-radius: 999px; white-space: nowrap; }
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pill.ok { background: var(--ok-soft); color: var(--ok); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.crit { background: var(--crit-soft); color: var(--crit); }
.pill.muted { background: var(--panel-2); color: var(--muted); }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px 16px; margin: 0; }
.facts div { min-width: 0; }
.facts dt { font-size: 12px; color: var(--muted); font-weight: 600; }
.facts dd { margin: 0; font-weight: 600; overflow-wrap: anywhere; }
.facts dd small { display: block; font-weight: 400; color: var(--muted); }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; font-size: 14px; }
.checks li { display: flex; gap: 8px; }
.checks .ck { width: 18px; text-align: center; font-weight: 700; }
.checks .ok .ck { color: var(--ok); }
.checks .bad .ck { color: var(--crit); }
.checks .na .ck { color: var(--muted); }
.boost-line { background: var(--accent-soft); border-radius: 8px; padding: 6px 10px; font-size: 14px; }

/* charts */
.chart { width: 100%; }
.chart svg { display: block; width: 100%; height: auto; }
.chart .grid-line { stroke: var(--line); stroke-width: 1; }
.chart .axis { fill: var(--muted); font-size: 11px; }
.chart .area-in { fill: var(--in); fill-opacity: .16; stroke: var(--in); stroke-width: 1.5; }
.chart .area-out { fill: var(--out); fill-opacity: .16; stroke: var(--out); stroke-width: 1.5; }
.chart .p95 { stroke: var(--warn); stroke-width: 1.3; stroke-dasharray: 6 4; }
.chart .commit { stroke: var(--accent); stroke-width: 1.3; stroke-dasharray: 2 3; }
.chart .limit { stroke: var(--crit); stroke-width: 1.3; stroke-dasharray: 8 4; }
.chart .line-label { font-size: 11px; font-weight: 600; }
.chart .p95-t { fill: var(--warn); }
.chart .commit-t { fill: var(--accent); }
.chart .limit-t { fill: var(--crit); }
.chart .cursor { stroke: var(--muted); stroke-width: 1; }
.chart-tip { font-size: 13px; color: var(--muted); min-height: 20px; }
.legend { display: flex; gap: 16px; font-size: 13px; color: var(--muted); flex-wrap: wrap; }
.legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }
.legend .in { background: var(--in); }
.legend .out { background: var(--out); }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg button { background: var(--panel); border: 0; padding: 6px 12px; font: inherit; font-size: 13px; color: var(--muted); cursor: pointer; }
.seg button + button { border-left: 1px solid var(--line); }
.seg button[aria-pressed=true] { background: var(--accent-soft); color: var(--accent); font-weight: 650; }
.spark svg { display: block; width: 100%; height: 44px; }

/* tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 650; padding: 8px 10px; border-bottom: 1px solid var(--line); }
td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
.right { text-align: right; }
.empty { padding: 26px; text-align: center; color: var(--muted); }
.tag { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 6px; background: var(--panel-2); color: var(--muted); font-weight: 600; }
.tag.deny { background: var(--crit-soft); color: var(--crit); }
.tag.permit { background: var(--ok-soft); color: var(--ok); }
.tag.new { background: var(--accent-soft); color: var(--accent); }
.tag.accepted { background: var(--warn-soft); color: var(--warn); }
.tag.done { background: var(--ok-soft); color: var(--ok); }
.tag.rejected { background: var(--crit-soft); color: var(--crit); }

/* report */
.report { background: #fff; color: #111827; border-radius: var(--radius); padding: 32px; border: 1px solid var(--line); }
.report .rp-head { display: flex; justify-content: space-between; border-bottom: 2px solid #111827; padding-bottom: 12px; margin-bottom: 18px; }
.report .rp-company { font-size: 20px; font-weight: 700; }
.report .figs { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin: 12px 0; }
.report .figs div { border: 1px solid #e2e7f0; border-radius: 8px; padding: 10px 12px; }
.report .figs span { display: block; font-size: 12px; color: #5b6677; }
.report .figs b { font-size: 18px; }
.report section + section { margin-top: 24px; }
.report .note { font-size: 12.5px; color: #5b6677; }
.report .chart .axis { fill: #5b6677; }
.report .chart .grid-line { stroke: #e2e7f0; }

/* dialog + toast */
.dlg { border: 1px solid var(--line); border-radius: 14px; padding: 0; width: min(560px, calc(100vw - 32px)); background: var(--panel); color: var(--text); }
.dlg::backdrop { background: rgba(10, 16, 30, .45); }
.dlg form { padding: 22px 24px; }
.dlg-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 10px;
  font-size: 14px; box-shadow: 0 8px 24px rgba(0, 0, 0, .2); z-index: 50; }
.toast.error { background: var(--crit); color: #fff; }
.qr { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.qr img { width: 180px; height: 180px; border-radius: 8px; background: #fff; }
.secret { font-family: ui-monospace, monospace; font-size: 14px; background: var(--panel-2); padding: 6px 10px; border-radius: 6px; user-select: all; }

@media (max-width: 900px) {
  .topbar { flex-wrap: wrap; padding: 10px 16px; gap: 10px; }
  .nav-toggle { display: block; }
  .nav { display: none; order: 3; width: 100%; flex-direction: column; }
  .nav.open { display: flex; }
  .who { order: 2; }
  .who-text { display: none; }
  .page { padding: 16px; }
  .grid.two { grid-template-columns: 1fr; }
}
@media print {
  .topbar, .foot, .notice-bar, .no-print { display: none !important; }
  body { background: #fff; }
  .page { padding: 0; max-width: none; }
  .report { border: 0; padding: 0; }
}
.spacer { flex: 1; }
.mt { margin-top: 16px; }
.pre { white-space: pre-wrap; }
.kpi-value.small-value { font-size: 17px; padding-top: 6px; }
.legend a { margin-left: auto; }

/* requests as conversations */
.chat-layout { display: grid; grid-template-columns: 340px 1fr; gap: 16px; align-items: start; }
.chat-list { padding: 6px; max-height: calc(100vh - 190px); overflow-y: auto; position: sticky; top: 76px; }
.chat-item { display: grid; gap: 2px; padding: 10px 12px; border-radius: 8px; color: var(--text); border: 1px solid transparent; }
.chat-item:hover { background: var(--panel-2); text-decoration: none; }
.chat-item.active { background: var(--accent-soft); border-color: var(--accent); }
.chat-item.unread b { color: var(--accent); }
.ci-top { display: flex; justify-content: space-between; gap: 8px; align-items: center; }
.ci-what, .ci-last { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); vertical-align: 1px; }
.chat-thread { display: flex; flex-direction: column; padding: 0; min-height: 420px; max-height: calc(100vh - 190px); }
.thread-head { padding: 16px 20px 10px; border-bottom: 1px solid var(--line); }
.thread-head p { margin: 4px 0 0; }
.th-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.th-top h2 { margin: 0; }
.chat-msgs { flex: 1; overflow-y: auto; padding: 16px 20px; display: flex; flex-direction: column; gap: 12px; background: var(--bg); }
.msg { display: flex; flex-direction: column; max-width: 78%; }
.msg.mine { align-self: flex-end; align-items: flex-end; }
.msg.noc { align-self: flex-start; }
.msg .bubble { padding: 9px 13px; border-radius: 14px; white-space: normal; overflow-wrap: anywhere; line-height: 1.45; }
.msg.mine .bubble { background: var(--accent); color: #fff; border-bottom-right-radius: 4px; }
.msg.noc .bubble { background: var(--panel); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.msg .meta { font-size: 12px; color: var(--muted); margin-top: 3px; }
.msg.system { align-self: center; max-width: 90%; text-align: center; font-size: 12.5px; color: var(--muted); }
.msg.system span { background: var(--panel-2); padding: 3px 10px; border-radius: 999px; display: inline-block; }
.msg.system time { display: block; font-size: 11px; margin-top: 2px; }
.chat-compose { display: flex; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--line); align-items: flex-end; }
.chat-compose textarea { resize: vertical; min-height: 44px; max-height: 200px; }
.chat-ro { padding: 12px 20px; margin: 0; border-top: 1px solid var(--line); }
.badge.hot { background: var(--crit); }
.only-narrow { display: none; }
@media (max-width: 900px) {
  .chat-layout { grid-template-columns: 1fr; }
  .chat-layout.has-open .chat-list { display: none; }
  .chat-layout:not(.has-open) .chat-thread { display: none; }
  .chat-list { position: static; max-height: none; }
  .chat-thread { max-height: none; min-height: 60vh; }
  .only-narrow { display: inline-block; }
  .msg { max-width: 90%; }
}

/* racks */
.rack-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.rack-card { display: flex; gap: 14px; align-items: flex-start; border: 1px solid var(--line); border-radius: 10px; padding: 14px; background: var(--panel-2); }
.rack-card .pill { margin-top: 6px; }
.rack-name { font-weight: 700; font-size: 16px; }
.rack-ico { width: 34px; flex: none; border: 2px solid var(--muted); border-radius: 4px; padding: 3px; display: grid; gap: 3px; }
.rack-ico i { display: block; height: 5px; border-radius: 1px; background: var(--accent); opacity: .75; }
.access { background: var(--accent-soft); border-radius: 8px; padding: 10px 14px; margin-bottom: 14px; }
.access p { margin: 4px 0 0; }
.racks-mini .small > div + div { margin-top: 4px; }

/* chat attachments */
.chat-compose { flex-direction: column; align-items: stretch; }
.chat-row { display: flex; gap: 8px; align-items: flex-end; }
.chat-row textarea { flex: 1; }
.btn.attach { padding: 8px 11px; font-size: 16px; cursor: pointer; }
.chat-files { display: flex; flex-wrap: wrap; gap: 6px; }
.file-chip { display: inline-flex; align-items: center; gap: 6px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 999px; padding: 3px 6px 3px 10px; font-size: 13px; }
.file-chip small { color: var(--muted); }
.chat-thread.dropping, #thread.dropping { outline: 2px dashed var(--accent); outline-offset: -6px; }
.msg-files { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.msg.mine .msg-files { justify-content: flex-end; }
.msg-img img { display: block; max-width: 260px; max-height: 200px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel); }
.msg-file { display: inline-flex; align-items: center; gap: 6px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; color: var(--text); font-size: 13.5px; }
.msg-file small { color: var(--muted); }
.msg-file:hover { border-color: var(--accent); text-decoration: none; }
.msg-files { align-items: flex-start; }

/* overview: unread messages from the NOC */
.unread-banner { border-color: var(--accent); background: var(--accent-soft); padding: 14px 18px; }
.ub-head { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.ub-head strong { flex: 1; }
.ub-item { display: grid; grid-template-columns: 10px auto 1fr auto; gap: 10px; align-items: center; padding: 8px 10px; border-radius: 8px;
  color: var(--text); background: var(--panel); margin-top: 4px; border: 1px solid transparent; }
.ub-item:hover { border-color: var(--accent); text-decoration: none; }
.ub-text { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; }
.ub-age { color: var(--muted); font-size: 12.5px; white-space: nowrap; }
@media (max-width: 700px) { .ub-item { grid-template-columns: 10px 1fr auto; } .ub-text { display: none; } }