/* A plain tool layout: three panes separated by hairlines, no cards. */
:root {
  color-scheme: dark;
  --bg: #111317;
  --pane: #16191e;
  --shell: #0b0d10;
  --rule: #262a31;
  --text: #d8dce2;
  --dim: #7d8590;
  --faint: #4d545e;
  --accent: #6cb6ff;
  --flash: rgba(240, 190, 90, 0.22);
  --pending: #e3b341;
  --firing: #f47067;
  --ok: #57ab5a;
  --s1: #3987e5;
  --s2: #d95926;
  --s3: #199e70;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
}
@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #f3f4f6;
    --pane: #ffffff;
    --rule: #dcdfe4;
    --text: #1f2328;
    --dim: #656d76;
    --faint: #aab1ba;
    --accent: #0969da;
    --pending: #9a6700;
    --firing: #cf222e;
    --ok: #1a7f37;
    --s1: #2a78d6;
    --s2: #eb6834;
    --s3: #1baf7a;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; display: flex; flex-direction: column; background: var(--bg); color: var(--text); font: 13.5px/1.45 var(--sans); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre, output, .file, .num { font-family: var(--mono); }
button, select, input { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.dim { color: var(--dim); font-weight: 400; }
.grow { flex: 1; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

button, .button, select {
  background: transparent; border: 1px solid var(--rule); border-radius: 3px; padding: 2px 8px; cursor: pointer; font-size: 12.5px;
}
button:hover, .button:hover, select:hover { border-color: var(--dim); }
button[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); }
select { background: var(--pane); padding: 2px 4px; }

/* ------------------------------------------------------------ header */
.top { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; padding: 8px 16px; border-bottom: 1px solid var(--rule); background: var(--pane); }
.top .name { font: 600 14px var(--mono); color: var(--text); }
.top .dim { font-size: 12.5px; }
.field { display: flex; align-items: center; gap: 6px; color: var(--dim); font-size: 12.5px; }
.clock { display: flex; align-items: center; gap: 6px; }
.clock input { width: 150px; accent-color: var(--accent); }
.clock output { width: 74px; text-align: right; font-size: 12.5px; color: var(--dim); }

/* ------------------------------------------------------------ panes */
.app { flex: 1; min-height: 0; display: grid; grid-template-columns: 250px minmax(0, 1fr) minmax(380px, 460px); }
.pane { min-width: 0; min-height: 0; overflow: auto; }
.pane + .pane { border-left: 1px solid var(--rule); }
.pane h2 { margin: 0; padding: 8px 14px; font-size: 12.5px; font-weight: 600; border-bottom: 1px solid var(--rule); display: flex; align-items: center; gap: 6px; }
@media (max-width: 1100px) {
  html, body { height: auto; }
  .app { grid-template-columns: 250px minmax(0, 1fr); }
  .side { grid-column: 1 / -1; border-left: 0 !important; border-top: 1px solid var(--rule); }
  .pane { overflow: visible; }
  .shell pre { max-height: 70vh; }
}
@media (max-width: 700px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  .pane + .pane { border-left: 0; border-top: 1px solid var(--rule); }
  .top .dim { display: none; }
  .clock { width: 100%; }
  .clock input { flex: 1; width: auto; min-width: 0; }
}

/* ------------------------------------------------------------ scenario pane */
.site { background: var(--pane); padding-bottom: 14px; }
.site .file { color: var(--dim); font-weight: 400; }
.site h3 { margin: 14px 14px 4px; font-size: 11.5px; font-weight: 600; color: var(--dim); }
.row { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 0 6px; padding: 4px 14px; }
.row label { display: flex; align-items: center; gap: 6px; font-size: 13px; }
.row output { font-size: 12px; color: var(--dim); }
.row input[type="range"] { grid-column: 1 / -1; width: 100%; margin: 2px 0 0; accent-color: var(--accent); }
.auto { padding: 0 5px; font: 11px var(--mono); color: var(--faint); }
.swatch { width: 8px; height: 8px; border-radius: 1px; display: inline-block; flex: none; }
.num { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 2px 14px; font-size: 12px; color: var(--dim); }
.num input { width: 84px; text-align: right; background: var(--bg); border: 1px solid var(--rule); border-radius: 3px; padding: 2px 6px; font: 12.5px var(--mono); color: var(--text); }
.tick { display: flex; align-items: center; gap: 8px; padding: 2px 14px; font-size: 13px; cursor: pointer; }
.tick input { accent-color: var(--firing); margin: 0; }
.json { margin: 14px 14px 8px; padding: 8px 10px; background: var(--bg); border: 1px solid var(--rule); border-radius: 3px; font-size: 11.5px; line-height: 1.5; color: var(--dim); white-space: pre-wrap; overflow-wrap: anywhere; }
.actions { display: flex; gap: 6px; padding: 0 14px; }
.hint { margin: 10px 14px 0; font-size: 11.5px; color: var(--dim); }
.hint code { color: var(--text); font-size: 11px; overflow-wrap: anywhere; }
.error { display: none; margin: 10px 14px 0; font-size: 12px; color: var(--firing); }
.error.show { display: block; }

/* ------------------------------------------------------------ shell pane */
.shell { background: var(--shell); color: #c9d1d9; display: flex; flex-direction: column; }
.prompt { position: sticky; top: 0; display: flex; align-items: center; gap: 10px; padding: 8px 14px; border-bottom: 1px solid #1f242b; background: var(--shell); font: 12.5px var(--mono); }
.prompt .ps { color: #7ee787; }
.prompt label { display: flex; align-items: center; gap: 4px; font-size: 11.5px; color: #6e7681; cursor: pointer; white-space: nowrap; }
.prompt input { margin: 0; accent-color: #7ee787; }
.prompt button { border-color: #30363d; color: #c9d1d9; font-size: 11.5px; }
.shell pre { flex: 1; margin: 0; padding: 8px 0 16px; font-size: 12px; line-height: 1.6; overflow: auto; }
.shell pre > span { display: block; padding: 0 14px 0 30px; text-indent: -16px; white-space: pre-wrap; overflow-wrap: anywhere; }
.shell .c { color: #6e7681; }
.shell .l { color: #d2a8ff; }
.shell .v { color: #79c0ff; }
@media (prefers-reduced-motion: no-preference) {
  .shell .chg { animation: flash 1.5s ease-out; }
  @keyframes flash { from { background: var(--flash); } to { background: transparent; } }
}

/* ------------------------------------------------------------ prometheus + grafana */
.side { background: var(--pane); }
.rules { list-style: none; margin: 0; padding: 0; }
.rules li { padding: 8px 14px; border-bottom: 1px solid var(--rule); }
.rules .head { display: flex; align-items: baseline; gap: 8px; }
.rules .state { font: 600 11px var(--mono); width: 58px; flex: none; }
.rules .inactive { color: var(--ok); }
.rules .pending { color: var(--pending); }
.rules .firing { color: var(--firing); }
.rules .rname { font: 12.5px var(--mono); overflow-wrap: anywhere; }
.rules .for { margin-left: auto; font: 11px var(--mono); color: var(--faint); white-space: nowrap; }
.rules .expr { margin: 3px 0 0 66px; font: 11px/1.45 var(--mono); color: var(--dim); overflow-wrap: anywhere; }
.rules .active { margin: 4px 0 0 66px; font-size: 12px; }
.rules .active div { display: flex; flex-wrap: wrap; gap: 0 8px; }
.rules .active span { color: var(--dim); }

.panel h2 select { border: 0; padding: 0 2px; font-weight: 600; font-size: 12.5px; background: transparent; }
.chart { padding: 10px 8px 0 4px; }
.chart svg { display: block; width: 100%; height: auto; }
.chart .grid { stroke: var(--rule); stroke-width: 1; }
.chart .axis { fill: var(--dim); font: 10px var(--mono); }
.chart .area { stroke-width: 1.5; fill-opacity: 0.16; stroke-linejoin: round; }
.chart .line { fill: none; stroke-width: 1.5; stroke-linejoin: round; }
.chart .threshold { stroke: var(--firing); stroke-width: 1; stroke-dasharray: 4 3; }
.chart .now { stroke: var(--text); stroke-width: 1; opacity: 0.45; }
.chart .cross { stroke: var(--dim); stroke-width: 1; }
.chart .dot { stroke: var(--pane); stroke-width: 1.5; }
.chart .nodata { fill: var(--dim); font: 12px var(--sans); }
.chart .hit { fill: transparent; cursor: crosshair; }
.legend { width: calc(100% - 28px); margin: 6px 14px 14px; border-collapse: collapse; font-size: 12px; }
.legend th { text-align: right; font-weight: 400; color: var(--dim); padding: 2px 0; }
.legend th:first-child { text-align: left; }
.legend td { padding: 2px 0; font-variant-numeric: tabular-nums; }
.legend td + td { text-align: right; font-family: var(--mono); }
.legend .name { display: flex; align-items: center; gap: 6px; }

.tooltip { position: fixed; z-index: 5; pointer-events: none; background: var(--pane); border: 1px solid var(--rule); border-radius: 3px; padding: 6px 8px; font-size: 12px; min-width: 150px; }
.tooltip .t-head { font: 11px var(--mono); color: var(--dim); margin-bottom: 2px; }
.tooltip .t-row { display: flex; align-items: center; gap: 6px; }
.tooltip .t-row b { margin-left: auto; padding-left: 10px; font: 12px var(--mono); }

.bottom { padding: 6px 16px; border-top: 1px solid var(--rule); background: var(--pane); color: var(--dim); font-size: 11.5px; }