/* NLog - dense, calm dashboard styling. Light + dark via tokens. */
:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f3f2ee;
  --surface-3: #e9e8e2;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #6f6d68;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --accent-ink: #1c5cab;
  --accent-wash: rgba(42, 120, 214, 0.10);
  --wifi: #2a78d6;
  --bt: #eb6834;
  --good: #0ca30c;
  --good-ink: #006300;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --critical-ink: #b42323;
  --seq-0: #f0efec;
  --seq-1: #cde2fb;
  --seq-2: #9ec5f4;
  --seq-3: #6da7ec;
  --seq-4: #3987e5;
  --seq-5: #256abf;
  --seq-6: #184f95;
  --seq-7: #0d366b;
  --nodata: #ecebe6;
  --shadow: 0 1px 2px rgba(0, 0, 0, .05), 0 4px 16px rgba(0, 0, 0, .04);
  --radius: 8px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --surface-2: #222220; --surface-3: #2c2c2a;
    --ink: #f0efec; --ink-2: #c3c2b7; --muted: #9a988f; --grid: #2c2c2a; --axis: #383835;
    --border: rgba(255, 255, 255, 0.10); --accent: #3987e5; --accent-ink: #86b6ef;
    --accent-wash: rgba(57, 135, 229, 0.16); --wifi: #3987e5; --bt: #d95926;
    --good-ink: #0ca30c; --critical-ink: #e66767;
    --seq-0: #262624; --seq-1: #0d366b; --seq-2: #104281; --seq-3: #184f95; --seq-4: #256abf;
    --seq-5: #3987e5; --seq-6: #6da7ec; --seq-7: #b7d3f6; --nodata: #222220;
    --shadow: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --surface-2: #222220; --surface-3: #2c2c2a;
  --ink: #f0efec; --ink-2: #c3c2b7; --muted: #9a988f; --grid: #2c2c2a; --axis: #383835;
  --border: rgba(255, 255, 255, 0.10); --accent: #3987e5; --accent-ink: #86b6ef;
  --accent-wash: rgba(57, 135, 229, 0.16); --wifi: #3987e5; --bt: #d95926;
  --good-ink: #0ca30c; --critical-ink: #e66767;
  --seq-0: #262624; --seq-1: #0d366b; --seq-2: #104281; --seq-3: #184f95; --seq-4: #256abf;
  --seq-5: #3987e5; --seq-6: #6da7ec; --seq-7: #b7d3f6; --nodata: #222220;
  --shadow: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--page); color: var(--ink); font: 14px/1.45 var(--font); -webkit-font-smoothing: antialiased; }
a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 20px; margin: 0; font-weight: 650; letter-spacing: -.01em; }
h2 { font-size: 15px; margin: 0 0 10px; font-weight: 620; }
h3 { font-size: 13px; margin: 0 0 8px; font-weight: 620; color: var(--ink-2); }
p { margin: 0 0 8px; }
code, .mono { font-family: var(--mono); font-size: 12.5px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.num { font-variant-numeric: tabular-nums; }
.hidden { display: none !important; }

/* layout */
.app { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.sidebar { background: var(--surface); border-right: 1px solid var(--border); padding: 14px 10px; position: sticky; top: 0; height: 100vh; overflow-y: auto; display: flex; flex-direction: column; gap: 2px; }
.brand { display: flex; align-items: center; gap: 8px; padding: 4px 8px 14px; font-weight: 700; font-size: 16px; }
.brand-mark { width: 22px; height: 22px; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 7px 10px; border-radius: 6px; color: var(--ink-2); font-weight: 500; }
.nav a:hover { background: var(--surface-2); text-decoration: none; color: var(--ink); }
.nav a.active { background: var(--accent-wash); color: var(--accent-ink); }
.nav svg { width: 16px; height: 16px; flex: none; }
.nav .badge { margin-left: auto; }
.sidebar-foot { margin-top: auto; padding: 10px 8px 0; border-top: 1px solid var(--border); font-size: 12px; color: var(--muted); display: flex; flex-direction: column; gap: 6px; }
.main { min-width: 0; padding: 18px 24px 40px; }
.topbar { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.topbar .spacer { flex: 1; }
.mobile-nav { display: none; }

.grid { display: grid; gap: 14px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.span2 { grid-column: span 2; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); min-width: 0; }
.card-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 10px; }
.card-head h2 { margin: 0; }
.card-head .spacer { flex: 1; }
.section { margin-top: 14px; }

/* tiles */
.tile .label { color: var(--ink-2); font-size: 12px; }
.tile .value { font-size: 26px; font-weight: 640; line-height: 1.2; margin-top: 2px; }
.tile .sub { color: var(--muted); font-size: 12px; margin-top: 2px; }
.kind-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; }
.kind-dot.wifi { background: var(--wifi); }
.kind-dot.bluetooth { background: var(--bt); }

/* tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--grid); vertical-align: top; }
th { font-size: 12px; font-weight: 600; color: var(--ink-2); white-space: nowrap; position: sticky; top: 0; background: var(--surface); }
th.sortable { cursor: pointer; }
th.sortable:hover { color: var(--ink); }
tbody tr:hover { background: var(--surface-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.clickable { cursor: pointer; }
.empty { padding: 22px; text-align: center; color: var(--muted); }

/* pills */
.pill { display: inline-flex; align-items: center; gap: 5px; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 550; background: var(--surface-3); color: var(--ink-2); white-space: nowrap; }
.pill .ic { width: 12px; height: 12px; }
.pill.good { background: color-mix(in srgb, var(--good) 15%, transparent); color: var(--good-ink); }
.pill.warn { background: color-mix(in srgb, var(--warning) 22%, transparent); color: var(--ink); }
.pill.serious { background: color-mix(in srgb, var(--serious) 22%, transparent); color: var(--ink); }
.pill.crit { background: color-mix(in srgb, var(--critical) 16%, transparent); color: var(--critical-ink); }
.pill.info { background: var(--accent-wash); color: var(--accent-ink); }
.badge { display: inline-block; min-width: 18px; padding: 0 6px; border-radius: 9px; background: var(--critical); color: #fff; font-size: 11px; font-weight: 700; text-align: center; line-height: 18px; }

/* forms */
input, select, textarea, button { font: inherit; color: inherit; }
input[type=text], input[type=password], input[type=number], input[type=search], input[type=datetime-local], input[type=time], select, textarea {
  background: var(--surface); border: 1px solid var(--border); border-radius: 6px; padding: 6px 9px; min-width: 0; }
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
textarea { width: 100%; min-height: 70px; }
button, .btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--border); background: var(--surface); padding: 6px 12px; border-radius: 6px; cursor: pointer; font-weight: 550; white-space: nowrap; color: var(--ink); }
button:hover, .btn:hover { background: var(--surface-2); text-decoration: none; }
button.primary, .btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.primary:hover, .btn.primary:hover { filter: brightness(1.07); }
button.danger { color: var(--critical-ink); border-color: color-mix(in srgb, var(--critical) 40%, transparent); }
button.ghost { border-color: transparent; background: transparent; }
button:disabled { opacity: .5; cursor: not-allowed; }
.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; }
.field label { font-size: 12px; color: var(--ink-2); font-weight: 550; }
.field .hint { font-size: 12px; color: var(--muted); }
.form-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.filters label { font-size: 12px; color: var(--ink-2); display: flex; gap: 6px; align-items: center; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.seg button { border: 0; border-radius: 0; padding: 5px 10px; background: var(--surface); }
.seg button + button { border-left: 1px solid var(--border); }
.seg button.on { background: var(--accent-wash); color: var(--accent-ink); }
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 14px; overflow-x: auto; }
.tabs a { padding: 8px 12px; color: var(--ink-2); border-bottom: 2px solid transparent; font-weight: 550; white-space: nowrap; }
.tabs a.on { color: var(--accent-ink); border-bottom-color: var(--accent); }
.tabs a:hover { text-decoration: none; color: var(--ink); }

/* notices */
.notice { border: 1px solid var(--border); border-left: 3px solid var(--accent); background: var(--surface); padding: 10px 12px; border-radius: 6px; margin-bottom: 12px; font-size: 13px; }
.notice.warn { border-left-color: var(--warning); }
.notice.crit { border-left-color: var(--critical); }
.notice.good { border-left-color: var(--good); }
.status-line { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* key-value */
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; margin: 0; }
dl.kv dt { color: var(--ink-2); font-size: 12.5px; }
dl.kv dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.src { font-size: 11px; color: var(--muted); margin-left: 4px; }

/* lists */
.list { list-style: none; margin: 0; padding: 0; }
.list li { padding: 6px 0; border-bottom: 1px solid var(--grid); display: flex; gap: 8px; align-items: baseline; }
.list li:last-child { border-bottom: 0; }
.list .grow { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.scroll { max-height: 360px; overflow-y: auto; }

/* charts */
.chart { width: 100%; position: relative; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart text { fill: var(--muted); font-size: 11px; font-family: var(--font); }
.chart .gridline { stroke: var(--grid); stroke-width: 1; }
.chart .baseline { stroke: var(--axis); stroke-width: 1; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--ink-2); margin: 6px 0 0; align-items: center; }
.legend .sw { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }
.legend .sw.line { height: 2px; width: 14px; vertical-align: 3px; }
.tooltip { position: fixed; z-index: 50; pointer-events: none; background: var(--surface); color: var(--ink); border: 1px solid var(--border); border-radius: 6px; padding: 7px 9px; font-size: 12px; box-shadow: 0 4px 20px rgba(0,0,0,.15); max-width: 320px; }
.tooltip .t { font-weight: 600; margin-bottom: 3px; }
.tooltip .r { display: flex; gap: 8px; justify-content: space-between; }
.timeline-wrap { overflow-x: auto; }
.timeline-row-label { font-size: 12px; fill: var(--ink-2) !important; cursor: pointer; }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login .card { width: 100%; max-width: 360px; padding: 26px; }
.login .brand { padding: 0 0 16px; justify-content: center; font-size: 20px; }
.err { color: var(--critical-ink); font-size: 13px; min-height: 18px; }

dialog { border: 1px solid var(--border); border-radius: 10px; background: var(--surface); color: var(--ink); padding: 18px; max-width: min(560px, calc(100vw - 32px)); width: 100%; }
dialog::backdrop { background: rgba(0,0,0,.35); }
.code-big { font-family: var(--mono); font-size: 28px; letter-spacing: .12em; font-weight: 700; padding: 10px 14px; background: var(--surface-2); border-radius: 8px; text-align: center; user-select: all; }
.toast { position: fixed; right: 16px; bottom: 16px; z-index: 60; background: var(--ink); color: var(--page); padding: 9px 14px; border-radius: 8px; font-size: 13px; box-shadow: 0 6px 24px rgba(0,0,0,.2); }

@media (max-width: 1100px) {
  .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .g3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 820px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { display: none; position: fixed; inset: 0 30% 0 0; z-index: 40; height: 100vh; }
  .sidebar.open { display: flex; }
  .mobile-nav { display: inline-flex; }
  .main { padding: 12px 16px 32px; }
  .g2, .g3, .g4 { grid-template-columns: minmax(0, 1fr); }
  .span2 { grid-column: auto; }
  .hide-sm { display: none; }
}
@media (forced-colors: active) {
  .kind-dot, .legend .sw { forced-color-adjust: none; }
}
.nowrap { white-space: nowrap; }
button svg { width: 18px; height: 18px; }