/* Forest Sentinel — committed dark ops theme.
   Tokens follow the validated reference palette (dark mode). */

:root {
  --page: #0d0d0d;
  --surface: #1a1a19;
  --surface-2: #232322;
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --baseline: #383835;
  --hairline: rgba(255, 255, 255, 0.10);
  --accent: #3987e5;        /* categorical slot 1 (dark) — the data hue */
  --accent-hover: #5598e7;
  --good: #0ca30c;
  --warning: #fab219;       /* severity: low */
  --serious: #ec835a;       /* severity: medium */
  --critical: #d03b3b;      /* severity: high */
  --radius: 14px;
  --radius-s: 9px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }   /* class display rules must not resurrect [hidden] */
html, body { margin: 0; padding: 0; }
body {
  background: var(--page);
  color: var(--ink-2);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
h1, h2 { color: var(--ink); margin: 0; font-weight: 600; }
h2 { font-size: 15px; }
p { margin: 0; }
a { color: var(--accent-hover); text-decoration: none; }
.muted { color: var(--muted); font-size: 12px; font-weight: 400; }
.sep { color: var(--baseline); margin: 0 6px; }

/* ---------- header ---------- */
.topbar {
  position: sticky; top: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 28px;
  background: color-mix(in srgb, var(--page) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 30px; height: 30px; color: var(--accent); flex: none; }
.brand h1 { font-size: 17px; letter-spacing: 0.04em; text-transform: uppercase; }
.brand-sub { font-size: 12px; color: var(--muted); }
.status-cluster { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.scan-times { font-size: 12px; color: var(--muted); white-space: nowrap; }
.sys-pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; color: var(--ink-2);
  border: 1px solid var(--hairline); border-radius: 999px; padding: 5px 12px;
  background: var(--surface);
}
.sys-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); flex: none; }
.sys-pill.ok .sys-dot { background: var(--good); }
.sys-pill.scanning .sys-dot { background: var(--accent); animation: pulse 1.4s ease-in-out infinite; }
.sys-pill.error .sys-dot { background: var(--critical); }
@keyframes pulse { 50% { opacity: 0.25; } }
@media (prefers-reduced-motion: reduce) { .sys-pill.scanning .sys-dot { animation: none; } }

/* ---------- layout ---------- */
main { max-width: 1440px; margin: 0 auto; padding: 22px 28px 8px; display: grid; gap: 18px; }
.card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.card-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-bottom: 12px;
}

/* ---------- KPI tiles ---------- */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.tile { position: relative; overflow: hidden; }
.tile-label { font-size: 12px; color: var(--muted); }
.tile-value {
  font-size: 34px; font-weight: 650; color: var(--ink);
  line-height: 1.15; margin-top: 2px;
}
.tile-unit { font-size: 16px; font-weight: 500; color: var(--muted); }
.tile-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.tile-sub .hot { color: var(--warning); font-weight: 600; }
.tile-spark { position: absolute; right: 14px; bottom: 14px; width: 120px; height: 30px; opacity: 0.9; }

/* ---------- ops grid: map + feed ---------- */
.ops-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(340px, 5fr); gap: 18px; }
#map {
  height: 540px; border-radius: var(--radius-s);
  background: #101010; outline: none;
}
.leaflet-container { font: inherit; }
.leaflet-control-attribution {
  background: rgba(13, 13, 13, 0.75) !important; color: var(--muted) !important; font-size: 10px !important;
}
.leaflet-control-attribution a { color: var(--ink-2) !important; }
.leaflet-popup-content-wrapper, .leaflet-popup-tip {
  background: var(--surface-2); color: var(--ink-2);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
}
.leaflet-popup-content { margin: 12px 14px; font: 13px/1.5 system-ui, sans-serif; }
.popup-title { color: var(--ink); font-weight: 600; margin-bottom: 2px; }
.popup-meta { color: var(--muted); font-size: 12px; }
.popup-links { margin-top: 8px; display: flex; gap: 10px; }

/* ---------- chips (status/severity: always icon + label) ---------- */
.chip-row { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.02em;
  padding: 3px 9px; border-radius: 999px; white-space: nowrap;
}
.chip-ic { font-size: 9px; line-height: 1; }
.sev-low      { color: var(--warning);  background: rgba(250, 178, 25, 0.12); }
.sev-medium   { color: var(--serious);  background: rgba(236, 131, 90, 0.13); }
.sev-high     { color: var(--critical); background: rgba(208, 59, 59, 0.16); }
.st-ok        { color: var(--good);     background: rgba(12, 163, 12, 0.12); }
.st-idle      { color: var(--muted);    background: rgba(137, 135, 129, 0.12); }
.st-warn      { color: var(--warning);  background: rgba(250, 178, 25, 0.12); }
.st-error     { color: var(--critical); background: rgba(208, 59, 59, 0.16); }
.st-scan      { color: var(--accent);   background: rgba(57, 135, 229, 0.14); }

/* ---------- alert feed ---------- */
.feed-card { display: flex; flex-direction: column; max-height: 596px; }
.feed { overflow-y: auto; display: grid; gap: 10px; padding-right: 2px; }
.alert-card {
  border: 1px solid var(--hairline); border-left-width: 3px;
  border-radius: var(--radius-s); padding: 12px 14px;
  display: grid; gap: 8px;
}
.alert-card.sev-b-low    { border-left-color: var(--warning); }
.alert-card.sev-b-medium { border-left-color: var(--serious); }
.alert-card.sev-b-high   { border-left-color: var(--critical); }
.alert-card.resolved { opacity: 0.55; }
.alert-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.alert-area { font-size: 18px; font-weight: 650; color: var(--ink); }
.alert-area small { font-size: 12px; font-weight: 500; color: var(--muted); }
.alert-meta { font-size: 12px; color: var(--muted); display: flex; gap: 10px; flex-wrap: wrap; }
.alert-meta .mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 11.5px; }
.alert-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.alert-thumb {
  width: 100%; max-height: 96px; object-fit: cover; object-position: center;
  border-radius: 6px; border: 1px solid var(--hairline); cursor: zoom-in; display: block;
}
.feed .empty { padding: 28px 8px; text-align: center; }
.empty { color: var(--muted); font-size: 13px; }

/* ---------- buttons ---------- */
.btn {
  appearance: none; border: 1px solid var(--hairline); border-radius: 8px;
  background: transparent; color: var(--ink-2);
  font: 600 12px/1 system-ui, sans-serif; padding: 8px 12px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px; text-decoration: none;
}
.btn:hover { background: rgba(255, 255, 255, 0.06); color: var(--ink); }
.btn:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary { background: var(--accent); border-color: transparent; color: #0b1526; padding: 9px 16px; }
.btn-primary:hover { background: var(--accent-hover); color: #0b1526; }
.btn-primary:disabled { opacity: 0.55; cursor: default; }
.btn-icon { padding: 6px 9px; }
.btn-quiet { border-color: transparent; color: var(--muted); }

/* ---------- filter row ---------- */
.analytics { display: grid; gap: 12px; }
.filter-row { display: flex; align-items: center; gap: 12px; }
.filter-label { font-size: 12px; color: var(--muted); }
.segmented { display: inline-flex; border: 1px solid var(--hairline); border-radius: 9px; overflow: hidden; }
.segmented button {
  appearance: none; border: 0; background: transparent; color: var(--muted);
  font: 600 12px/1 system-ui, sans-serif; padding: 8px 14px; cursor: pointer;
}
.segmented button + button { border-left: 1px solid var(--hairline); }
.segmented button:hover { color: var(--ink-2); background: rgba(255, 255, 255, 0.04); }
.segmented button.active { color: var(--ink); background: rgba(57, 135, 229, 0.16); }

/* ---------- chart ---------- */
.chart-wrap { position: relative; }
#chart { display: block; width: 100%; height: 260px; }
#chart .gridline { stroke: var(--grid); stroke-width: 1; }
#chart .baseline { stroke: var(--baseline); stroke-width: 1; }
#chart .tick-label { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
#chart .bar { fill: var(--accent); pointer-events: none; }
#chart .bar-hit { fill: transparent; cursor: pointer; }
#chart .bar-hit:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
#chart .bar.lift { fill: var(--accent-hover); }
.chart-tip {
  position: absolute; pointer-events: none; z-index: 10;
  background: var(--surface-2); border: 1px solid var(--hairline); border-radius: 8px;
  padding: 7px 10px; box-shadow: 0 6px 20px rgba(0, 0, 0, 0.45); min-width: 90px;
}
.chart-tip .v { color: var(--ink); font-size: 14px; font-weight: 650; }
.chart-tip .l { color: var(--muted); font-size: 11px; margin-top: 1px; }
.chart-wrap .empty { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; margin: 0; }
.refreshing { opacity: 0.6; transition: opacity 0.2s; }

/* ---------- tables ---------- */
.table-twin { margin-top: 10px; }
.table-twin summary { cursor: pointer; color: var(--muted); font-size: 12px; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left; font-size: 11px; font-weight: 600; color: var(--muted);
  border-bottom: 1px solid var(--hairline); padding: 8px 10px; white-space: nowrap;
}
td { padding: 8px 10px; border-bottom: 1px solid rgba(255, 255, 255, 0.05); color: var(--ink-2); white-space: nowrap; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr:hover { background: rgba(255, 255, 255, 0.025); }

/* ---------- modal ---------- */
.modal { position: fixed; inset: 0; z-index: 2000; display: flex; align-items: center; justify-content: center; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.7); }
.modal-body {
  position: relative; width: min(1060px, calc(100vw - 40px));
  max-height: calc(100vh - 60px); overflow-y: auto;
}
#modal-img { width: 100%; border-radius: 8px; border: 1px solid var(--hairline); }
.modal-actions { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }

/* ---------- footer ---------- */
.foot {
  max-width: 1440px; margin: 0 auto; padding: 14px 28px 26px;
  font-size: 11.5px; color: var(--muted);
}

/* ---------- scrollbars ---------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--baseline); border-radius: 6px; border: 2px solid var(--surface); }
::-webkit-scrollbar-track { background: transparent; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .ops-grid { grid-template-columns: 1fr; }
  #map { height: 420px; }
  .feed-card { max-height: 480px; }
  .topbar { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
  main, .topbar, .foot { padding-left: 16px; padding-right: 16px; }
  .tile-value { font-size: 28px; }
}