/* Layout: top transport bar; three columns: runs and settings | stacked synced charts | tabbed side panel (map, metrics, health, ...) */
:root {
  --bg: #0e1317;
  --panel: #141b21;
  --panel-2: #1a232b;
  --line: #26323c;
  --fg: #d8e1e8;
  --muted: #8796a3;
  --accent: #4fb3ff;
  --accent-soft: #15334a;
  --ok: #6fd19c;
  --warn: #f0b45c;
  --err: #ff6b6b;
  --info: #7fb2ff;
  --f-ui: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body { background: var(--bg); color: var(--fg); font: 13px/1.45 var(--f-ui); overflow: hidden; }
button, select, input, textarea { font: inherit; color: inherit; }
button {
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 4px; padding: 4px 10px; cursor: pointer;
}
button:hover { border-color: var(--accent); }
button:focus-visible, select:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
button.primary { background: var(--accent); color: #04121e; border-color: var(--accent); font-weight: 600; }
select, input[type="number"], input[type="text"], textarea {
  background: var(--bg); border: 1px solid var(--line); border-radius: 4px; padding: 3px 6px;
}
input[type="range"] { accent-color: var(--accent); }
.mono { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
h2 { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 0 0 8px; font-weight: 600; }

/* ---- top bar ---- */
.bar {
  height: 48px; display: flex; align-items: center; gap: 14px; padding: 0 12px;
  background: var(--panel); border-bottom: 1px solid var(--line); white-space: nowrap; overflow-x: auto;
}
.brand { font-weight: 600; letter-spacing: .02em; }
.brand span { color: var(--accent); }
.fileinfo { color: var(--muted); max-width: 420px; overflow: hidden; text-overflow: ellipsis; }
.transport { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.transport .clock { min-width: 150px; text-align: right; }
#play { min-width: 64px; }

/* ---- columns ---- */
.layout { display: grid; grid-template-columns: 300px minmax(0, 1fr) var(--right-w, 520px); height: calc(100% - 48px); }
.side { border-right: 1px solid var(--line); overflow-y: auto; padding: 12px; display: flex; flex-direction: column; gap: 16px; }
.charts { overflow-y: auto; padding: 8px 10px 40px; min-width: 0; }
.right { border-left: 1px solid var(--line); display: flex; flex-direction: column; min-width: 0; position: relative; }
.resizer { position: absolute; left: -4px; top: 0; bottom: 0; width: 8px; cursor: col-resize; z-index: 5; }

/* ---- runs ---- */
.run { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 8px; display: flex; flex-direction: column; gap: 6px; }
.run.tone { border-color: var(--accent); }
.run-head { display: flex; align-items: center; gap: 6px; }
.swatch { width: 12px; height: 12px; border-radius: 3px; flex: none; }
.run-head input[type="text"] { flex: 1; min-width: 0; background: transparent; border-color: transparent; font-weight: 600; }
.run-head input[type="text"]:hover, .run-head input[type="text"]:focus { border-color: var(--line); }
.run-head .icon { padding: 2px 6px; font-size: 12px; }
.run-algo { color: var(--muted); font-size: 12px; }
.run .status { font-size: 11px; color: var(--muted); }
details.params summary { cursor: pointer; color: var(--muted); font-size: 12px; }
.param { display: grid; grid-template-columns: 1fr 76px; gap: 2px 6px; align-items: center; margin-top: 4px; }
.param label { font-size: 12px; overflow: hidden; text-overflow: ellipsis; }
.param input[type="range"] { grid-column: 1 / -1; width: 100%; margin: 0; }
.param.changed label { color: var(--accent); }
.add-run { display: flex; gap: 6px; }
.add-run select { flex: 1; min-width: 0; }
.setting { display: grid; grid-template-columns: 1fr auto; gap: 4px 8px; align-items: center; }
textarea { width: 100%; min-height: 90px; font-family: var(--f-mono); font-size: 11px; }

/* ---- charts ---- */
.chart-tools { display: flex; flex-wrap: wrap; gap: 6px 12px; align-items: center; margin: 2px 0 8px; color: var(--muted); }
.chart-tools label { display: inline-flex; gap: 4px; align-items: center; cursor: pointer; }
.statekey { display: inline-flex; gap: 10px; margin-left: auto; font-size: 11px; }
.statekey span { display: inline-flex; gap: 4px; align-items: center; }
.statekey i { width: 12px; height: 10px; border-radius: 2px; display: inline-block; }
.stateinfo { position: sticky; top: 0; z-index: 4; background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: 4px 8px; font-size: 12px; margin-bottom: 6px; min-height: 26px; color: var(--fg); }
.chart { position: relative; margin-bottom: 6px; }
.chart .title { position: absolute; left: 56px; top: 2px; font-size: 11px; color: var(--muted); z-index: 2; pointer-events: none; }
.playline { position: absolute; top: 0; width: 2px; margin-left: -1px; background: #ffd60a; pointer-events: none; z-index: 3; display: none; }
.uplot { font-family: var(--f-ui); }
.u-legend { font-size: 11px; text-align: left; }
.u-legend .u-marker { border-radius: 2px; }
.u-select { background: rgba(79, 179, 255, .15); }
.empty { display: grid; place-items: center; height: 100%; color: var(--muted); text-align: center; padding: 24px; }
.empty b { color: var(--fg); }

/* ---- right tabs ---- */
.tabs { display: flex; border-bottom: 1px solid var(--line); background: var(--panel); flex: none; overflow-x: auto; }
.tabs button { border: 0; border-radius: 0; background: transparent; padding: 10px 12px; color: var(--muted); border-bottom: 2px solid transparent; }
.tabs button[aria-selected="true"] { color: var(--fg); border-bottom-color: var(--accent); }
.pane { flex: 1; overflow: auto; padding: 12px; display: none; min-height: 0; }
.pane.active { display: block; }
#pane-map.active { display: flex; flex-direction: column; padding: 0; }
#map { flex: 1; position: relative; min-height: 300px; background: #1b211c; } /* dark olive: tiles still loading do not glare */
.map-tools { display: flex; gap: 10px; align-items: center; padding: 6px 10px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.attrib { position: absolute; right: 4px; bottom: 2px; font-size: 10px; color: #cfd6dc; background: rgba(0, 0, 0, .5); padding: 1px 4px; z-index: 2; }
.legend-bar { height: 8px; width: 160px; border-radius: 2px; }

table { border-collapse: collapse; width: 100%; font-size: 12px; }
th, td { padding: 4px 6px; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
th { color: var(--muted); font-weight: 500; position: sticky; top: 0; background: var(--bg); }
td.best { color: var(--ok); font-weight: 600; }
.tbl { overflow-x: auto; margin-bottom: 16px; }
.metric-doc { color: var(--muted); font-size: 11px; margin: 4px 0 14px; }
.metric-doc dt { color: var(--fg); float: left; clear: left; width: 92px; }
.metric-doc dd { margin: 0 0 2px 96px; }

.finding { border: 1px solid var(--line); border-left-width: 3px; border-radius: 4px; padding: 6px 8px; margin-bottom: 6px; background: var(--panel); }
.finding.error { border-left-color: var(--err); }
.finding.warn { border-left-color: var(--warn); }
.finding.info { border-left-color: var(--info); }
.finding .lvl { font: 600 10px var(--f-mono); text-transform: uppercase; margin-right: 6px; }
.finding.error .lvl { color: var(--err); }
.finding.warn .lvl { color: var(--warn); }
.finding.info .lvl { color: var(--info); }
.chips { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.chip { font: 11px var(--f-mono); padding: 1px 6px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); border: 0; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 2px 12px; margin-bottom: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-family: var(--f-mono); }
.evlist { font-family: var(--f-mono); font-size: 12px; }
.evlist div { display: flex; gap: 10px; padding: 2px 0; border-bottom: 1px solid var(--line); cursor: pointer; }
.evlist div:hover { background: var(--panel-2); }
.evlist .t { color: var(--accent); min-width: 70px; }
pre.code { background: var(--panel); border: 1px solid var(--line); padding: 8px; overflow-x: auto; font: 11px/1.5 var(--f-mono); }

/* ---- drop overlay ---- */
#drop { position: fixed; inset: 0; background: rgba(14, 19, 23, .85); border: 3px dashed var(--accent); display: none; place-items: center; font-size: 20px; z-index: 50; }
body.dragging #drop { display: grid; }
.busy { position: fixed; right: 12px; bottom: 12px; background: var(--panel-2); border: 1px solid var(--line); padding: 6px 12px; border-radius: 4px; display: none; z-index: 40; }
.busy.on { display: block; }

@media (max-width: 1100px) {
  body { overflow: auto; }
  .layout { grid-template-columns: 1fr; height: auto; }
  .side, .right { border: 0; border-top: 1px solid var(--line); }
  .right { min-height: 600px; }
  .resizer { display: none; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }