/* Flight Log Analyzer. Colours are the other tools' tokens, so the platform
   reads as one. */

:root {
  color-scheme: light;
  --page: #f9f9f7; --surface: #fcfcfb; --surface-2: #f3f2ee;
  --ink: #0b0b0b; --ink-2: #52514e; --muted: #898781;
  --border: rgba(11, 11, 11, 0.10);
  --good-ink: #006300; --good-bg: rgba(0, 99, 0, 0.06);
  --warning-ink: #8a5a00; --warning-bg: rgba(250, 178, 25, 0.12);
  --critical-ink: #b3261e; --critical: #d03b3b; --critical-bg: rgba(208, 59, 59, 0.08);
  --accent: #2a78d6; --accent-bg: rgba(42, 120, 214, 0.10); --focus: #2a78d6;
  --grid: #e1e0d9; --axis: #c3c2b7;
  --series-1: #2a78d6; --series-2: #eb6834; --series-3: #1baf7a; --series-4: #eda100;
  --series-5: #e87ba4; --series-6: #008300; --series-7: #6250d6; --series-8: #e34948;
  --status-good: #0ca30c; --status-warning: #fab219; --status-serious: #ec835a; --status-critical: #d03b3b;
  --band: rgba(11, 11, 11, 0.035); --band-2: rgba(11, 11, 11, 0.07);
  --shadow: 0 1px 2px rgba(11, 11, 11, 0.04), 0 2px 8px rgba(11, 11, 11, 0.04);
  --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --surface-2: #232321;
    --ink: #ffffff; --ink-2: #c3c2b7; --muted: #898781;
    --border: rgba(255, 255, 255, 0.10);
    --good-ink: #0ca30c; --good-bg: rgba(12, 163, 12, 0.10);
    --warning-ink: #fab219; --warning-bg: rgba(250, 178, 25, 0.10);
    --critical-ink: #e66767; --critical-bg: rgba(230, 103, 103, 0.10);
    --accent: #3987e5; --accent-bg: rgba(57, 135, 229, 0.16); --focus: #6da7ec; --shadow: none;
    --grid: #2c2c2a; --axis: #383835;
    --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70; --series-4: #c98500;
    --series-5: #d55181; --series-6: #008300; --series-7: #9085e9; --series-8: #e66767;
    --band: rgba(255, 255, 255, 0.04); --band-2: rgba(255, 255, 255, 0.08);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --surface-2: #232321;
  --ink: #ffffff; --ink-2: #c3c2b7; --muted: #898781;
  --border: rgba(255, 255, 255, 0.10);
  --good-ink: #0ca30c; --good-bg: rgba(12, 163, 12, 0.10);
  --warning-ink: #fab219; --warning-bg: rgba(250, 178, 25, 0.10);
  --critical-ink: #e66767; --critical-bg: rgba(230, 103, 103, 0.10);
  --accent: #3987e5; --accent-bg: rgba(57, 135, 229, 0.16); --focus: #6da7ec; --shadow: none;
  --grid: #2c2c2a; --axis: #383835;
  --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70; --series-4: #c98500;
  --series-5: #d55181; --series-6: #008300; --series-7: #9085e9; --series-8: #e66767;
  --band: rgba(255, 255, 255, 0.04); --band-2: rgba(255, 255, 255, 0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--page); color: var(--ink); font-family: var(--font);
             font-size: 14px; line-height: 1.5; }
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
[hidden] { display: none !important; }
body.loading .layout { visibility: hidden; }
a { color: var(--accent); }
code { font-family: var(--mono); font-size: 0.92em; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
/* what only advanced mode shows */
body.mode-simple .adv { display: none !important; }

.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 14px;
          flex-wrap: wrap; padding: 10px 20px; background: var(--surface);
          border-bottom: 1px solid var(--border); }
.back { color: var(--accent); text-decoration: none; white-space: nowrap; }
.back:hover { text-decoration: underline; }
.brand { min-width: 0; }
.brand h1 { font-size: 16px; font-weight: 650; margin: 0; }
.subtitle { margin: 0; color: var(--ink-2); font-size: 13px; }
.actions { display: flex; gap: 6px; margin-left: auto; align-items: center; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 4px;
       border: 1px solid var(--border); background: var(--surface); border-radius: 8px;
       padding: 5px 11px; cursor: pointer; white-space: nowrap; text-decoration: none; color: inherit; }
.btn:hover { background: var(--surface-2); }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
select.btn { padding: 5px 8px; }
.segmented { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg { border: 0; background: var(--surface); padding: 5px 12px; cursor: pointer; }
.seg + .seg { border-left: 1px solid var(--border); }
.seg:hover { background: var(--surface-2); }
.seg[aria-pressed="true"] { background: var(--accent); color: #fff; }
.linkish { border: 0; background: none; color: var(--accent); cursor: pointer; padding: 0; }
.linkish:hover { text-decoration: underline; }

/* the intake on top, then the section list and the report */
.layout { display: grid; grid-template-columns: minmax(200px, 240px) minmax(0, 1100px);
          grid-template-areas: "intake intake" "nav report"; gap: 16px;
          padding: 16px 20px; align-items: start; justify-content: center; }
.layout > .intake { grid-area: intake; }
.layout > .nav { grid-area: nav; }
.layout > .report { grid-area: report; min-width: 0; }
.layout:not(:has(.nav:not([hidden]))) { grid-template-areas: "intake intake" "report report"; }
@media (max-width: 900px) {
  .layout { grid-template-columns: minmax(0, 1fr); grid-template-areas: "intake" "nav" "report";
            padding: 12px; gap: 12px; }
}
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
        box-shadow: var(--shadow); min-width: 0; }

/* -------------------------------------------------------------- the intake */
.intake { padding: 14px 18px; }
.drop { border: 2px dashed var(--border); border-radius: var(--radius); padding: 16px; text-align: center; }
.drop.over { border-color: var(--accent); background: var(--accent-bg); }
.drop p { margin: 4px 0; }
.drop-title { font-weight: 600; }
.reading { margin-top: 10px; }
.reading p { margin: 0 0 6px; }
.progress { height: 4px; background: var(--surface-2); border-radius: 99px; overflow: hidden; }
.progress-bar { height: 100%; width: 0; background: var(--accent); transition: width 0.15s; }
.problem { margin: 10px 0 0; color: var(--critical-ink); }
#copter-bar:not(:empty) { margin-top: 10px; }

/* ------------------------------------------------------------- the nav */
.nav { position: sticky; top: 70px; max-height: calc(100vh - 86px); overflow: auto; padding: 10px 8px; }
@media (max-width: 900px) { .nav { position: static; max-height: none; } }
.nav ul { list-style: none; margin: 0; padding: 0; }
.nav a { display: flex; gap: 8px; align-items: center; padding: 4px 8px; border-radius: 7px;
         color: var(--ink); text-decoration: none; }
.nav a:hover { background: var(--surface-2); }
.nav .head { font-size: 12px; font-weight: 650; color: var(--ink-2); text-transform: uppercase;
             letter-spacing: 0.03em; padding: 8px 8px 4px; }

/* ------------------------------------------------------------ the report */
.report > * + * { margin-top: 16px; }
.summary, .section, .proposals { padding: 16px 20px; }
.summary h2, .section h2, .list h2, .proposals h2 { font-size: 17px; margin: 0 0 10px; display: flex; gap: 8px; align-items: center; }
.facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 8px 16px; margin: 0 0 12px; }
.facts div { min-width: 0; }
.facts dt { color: var(--muted); font-size: 12px; }
.facts dd { margin: 0; font-weight: 600; overflow-wrap: anywhere; }
.counts { margin: 8px 0; }
.worst h3 { font-size: 14px; margin: 12px 0 4px; }
.worst ol { margin: 0; padding-left: 20px; }
.worst li { margin: 4px 0; }
.note { color: var(--ink-2); background: var(--warning-bg); border-radius: 8px; padding: 6px 10px; }
.all-good { color: var(--good-ink); }
.badge { display: inline-block; font-size: 12px; font-weight: 650; border-radius: 99px; padding: 1px 9px; white-space: nowrap; }
.badge.fail { color: var(--critical-ink); background: var(--critical-bg); }
.badge.warn { color: var(--warning-ink); background: var(--warning-bg); }
.badge.info { color: var(--accent); background: var(--accent-bg); }
.badge.pass { color: var(--good-ink); background: var(--good-bg); }
.badge.skip { color: var(--muted); background: var(--surface-2); }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; flex: none; background: var(--muted); }
.dot.fail { background: var(--status-critical); }
.dot.warn { background: var(--status-warning); }
.dot.info { background: var(--accent); }
.dot.pass { background: var(--status-good); }
.dot.skip { background: var(--axis); }
.list > h2 { padding: 0 4px; }
.list > .finding + .finding { margin-top: 12px; }
.list.skip { padding: 4px; }
.list.skip > summary { cursor: pointer; font-weight: 600; color: var(--ink-2); padding: 4px 0; }
.passed { padding: 0 4px; }
.finding { background: var(--surface); border: 1px solid var(--border); border-left: 4px solid var(--axis);
           border-radius: var(--radius); padding: 12px 16px; box-shadow: var(--shadow); min-width: 0; }
.section .finding { box-shadow: none; margin-top: 10px; }
.finding.fail { border-left-color: var(--status-critical); }
.finding.warn { border-left-color: var(--status-warning); }
.finding.info { border-left-color: var(--accent); }
.finding.pass { border-left-color: var(--status-good); }
.finding header { display: flex; gap: 10px; align-items: baseline; }
.finding h3 { font-size: 15px; margin: 0; }
.finding .say { margin: 6px 0; }
.finding h4 { font-size: 13px; color: var(--ink-2); margin: 10px 0 4px; }
.finding ol, .finding ul { margin: 4px 0; padding-left: 22px; }
.finding li { margin: 3px 0; }
.finding details { margin: 6px 0; }
.finding details > summary { cursor: pointer; color: var(--accent); }
.finding .links { margin: 8px 0 0; font-size: 13px; }
.finding.skip .say { color: var(--ink-2); }
table.params, table.data { border-collapse: collapse; margin: 8px 0; font-size: 13px; }
table.params th, table.data th { text-align: left; color: var(--ink-2); font-weight: 600; padding: 3px 10px 3px 0;
                                 border-bottom: 1px solid var(--border); }
table.params td, table.data td { padding: 3px 10px 3px 0; border-bottom: 1px solid var(--border); vertical-align: top; }
td.num { font-variant-numeric: tabular-nums; text-align: right; }
td.ok { color: var(--good-ink); } td.bad { color: var(--muted); } td.partial { color: var(--warning-ink); }
.detail { overflow-x: auto; }
.figure { margin: 10px 0 4px; }
.chart { min-height: 120px; }
.figure figcaption { font-size: 12.5px; color: var(--ink-2); }
.figure .cap { margin: 2px 0; }
.figure .cap-title { font-weight: 600; color: var(--ink); margin: 4px 0 2px; }
.proposals[hidden] { display: none; }
.motor-diagram { margin: 8px 0; }
.motor-diagram svg { display: block; max-width: 100%; height: auto; }
.motor-diagram .arm { stroke: var(--axis); stroke-width: 6; stroke-linecap: round; }
.motor-diagram .motor { fill: var(--surface-2); stroke: var(--border); stroke-width: 1; }
.motor-diagram .motor.high { stroke: var(--status-warning); stroke-width: 3; }
.motor-diagram .motor-n { font-size: 11px; fill: var(--ink-2); text-anchor: middle; }
.motor-diagram .motor-v { font-size: 13px; font-weight: 650; fill: var(--ink); text-anchor: middle; }
.motor-diagram .nose { stroke: var(--muted); stroke-width: 2; }
.motor-diagram .nose-label { font-size: 11px; fill: var(--muted); text-anchor: middle; }
.motor-diagram .cg { stroke: var(--accent); stroke-width: 2.5; }
.motor-diagram .cg-head { fill: var(--accent); }
.motor-diagram .centre { fill: var(--ink-2); }

/* -------------------------------------------------------- the about line */
.about { text-align: center; color: var(--muted); font-size: 12.5px; padding: 8px 20px 24px; }
.about a { color: var(--ink-2); }

/* ------------------------------------------------------------------ print */
.print-img { display: none; width: 100%; height: auto; }
@media print {
  @page { margin: 14mm 12mm; }
  .topbar { position: static; box-shadow: none; }
  .topbar .actions, .intake, .nav, .back, .window-bar, .tool, .exports, .whatif, .proposals .btn,
  .modebar-container, #copter-bar, .about a { display: none !important; }
  .layout { display: block; padding: 0; }
  .card { box-shadow: none; break-inside: auto; border-color: #bbb; }
  .finding, figure { break-inside: avoid; }
  /* a chart as the picture taken of it for printing (the live one does not follow the page's width) */
  .printing .chart.has-img { display: none; }
  .printing .print-img { display: block; }
  details > summary { list-style: none; }
  details > summary::-webkit-details-marker { display: none; }
}

/* ------------------------------------------------ the advanced tools */
.window-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; margin: 4px 0 12px; }
.window-bar .label { font-weight: 600; }
.window-bar .segs { display: inline-flex; flex-wrap: wrap; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.window-bar .note { flex-basis: 100%; margin: 0; }
input.clock { width: 5.5em; font: inherit; padding: 3px 6px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); color: var(--ink); }
.tool select, .tool input[type="number"] { font: inherit; padding: 3px 6px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); color: var(--ink); }
.explorer-pick { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; }
.traces { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 16px; }
button.link { background: none; border: 0; color: var(--accent); cursor: pointer; padding: 0; font: inherit; text-decoration: underline; }
.table-wrap { overflow-x: auto; max-height: 520px; overflow-y: auto; }
table.thresholds input { width: 7em; }
table.thresholds input.changed { border-color: var(--accent); background: var(--accent-bg); }
table.thresholds tr.muted code { color: var(--muted); }
.whatif { border-top: 1px solid var(--border); margin-top: 8px; padding-top: 8px; }
.whatif h4 { margin: 0 0 4px; }
.sliders { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 6px 28px; margin: 8px 0; }
.slider { display: flex; align-items: center; gap: 8px; }
.slider code { min-width: 9.5em; }
.slider input[type="range"] { flex: 1; accent-color: var(--accent); }
.slider output { min-width: 3.5em; text-align: right; font-variant-numeric: tabular-nums; }
.slider input[type="range"] { min-width: 120px; }
#nav li.tool a { color: var(--ink-2); }
.exports .buttons { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.cap-plot { color: var(--muted); }
.cap-plot code { color: var(--ink-2); }