/* ArduPilot Firmware Inspector. 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; --warning-ink: #8a5a00; --critical-ink: #b3261e; --critical: #d03b3b;
  --accent: #2a78d6; --focus: #2a78d6;
  --grid: #e1e0d9; --axis: #c3c2b7; --series-1: #2a78d6;
  --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; --warning-ink: #fab219; --critical-ink: #e66767;
    --accent: #3987e5; --focus: #6da7ec;
    --grid: #2c2c2a; --axis: #383835; --series-1: #3987e5; --shadow: none;
  }
}
: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; --warning-ink: #fab219; --critical-ink: #e66767;
  --accent: #3987e5; --focus: #6da7ec;
  --grid: #2c2c2a; --axis: #383835; --series-1: #3987e5; --shadow: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--page); color: var(--ink); font-family: var(--font);
             font-size: 14px; line-height: 1.45; }
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
[hidden] { display: none !important; }
body.loading .page { visibility: hidden; }
a { color: var(--accent); }

.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 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; }
.actions select { width: auto; margin-top: 0; padding: 5px 8px; }
.btn { display: inline-flex; align-items: center; 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:not(:disabled) { 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); background: var(--accent); }
.btn.small { padding: 2px 9px; font-size: 12.5px; }

.page { display: grid; gap: 16px; padding: 16px 20px; max-width: 1100px; margin: 0 auto; }
@media (max-width: 900px) { .page { padding: 12px; } }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
        box-shadow: var(--shadow); padding: 14px 16px; min-width: 0; }
.card h2 { font-size: 15px; margin: 0 0 6px; }
.card h3 { font-size: 13.5px; margin: 16px 0 4px; }
.results { display: grid; gap: 16px; min-width: 0; scroll-margin-top: 72px; }
.results-head { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
                align-items: flex-start; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.hint { color: var(--muted); font-size: 12.5px; margin: 4px 0 0; }
.muted { color: var(--ink-2); margin: 0; }
.mono { font-family: var(--mono); }
input[type=text], input[type=search], select {
  padding: 6px 8px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); }
.invalid { border-color: var(--critical) !important; }
.error-box { margin-top: 10px; padding: 8px 10px; border-radius: 8px; color: var(--critical-ink);
             border: 1px solid var(--critical); overflow-wrap: anywhere; }

/* Opening a file */
.dropzone { display: grid; justify-items: center; gap: 2px; margin-top: 10px; padding: 26px 16px;
            border: 2px dashed var(--axis); border-radius: var(--radius); background: var(--surface-2);
            cursor: pointer; text-align: center; }
.dropzone:hover, .dropzone.over { border-color: var(--accent); }
.dropzone:focus-within { outline: 2px solid var(--focus); outline-offset: 2px; }
.dropzone strong { font-size: 15px; }
.dropzone input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.advanced { margin-top: 10px; }
.advanced summary { cursor: pointer; font-weight: 600; font-size: 13px; }
.advanced .row { margin-top: 6px; }
.advanced input { width: 160px; font-family: var(--mono); }
.busy { margin: 10px 0 0; color: var(--ink-2); }
.busy::before { content: ""; display: inline-block; width: 10px; height: 10px; margin-right: 8px;
                border: 2px solid var(--accent); border-right-color: transparent; border-radius: 50%;
                animation: spin 0.8s linear infinite; vertical-align: -1px; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .busy::before { animation: none; } }

/* The firmware at a glance */
.file-name { overflow-wrap: anywhere; }
.facts { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 5px 16px; margin: 8px 0 0; }
.facts dt { color: var(--ink-2); }
.facts dd { margin: 0; overflow-wrap: anywhere; }
.facts .sub { color: var(--muted); font-size: 12.5px; }
@media (max-width: 600px) {
  .facts { grid-template-columns: 1fr; gap: 0; }
  .facts dd { margin-bottom: 8px; }
}
.copter-bar { margin-top: 10px; }
.for-copter { margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--border); }
.for-copter p { margin: 4px 0 0; }
.for-copter ul { margin: 4px 0 0; padding-left: 18px; color: var(--warning-ink); font-size: 12.5px; }
.for-copter .row { margin-top: 8px; }
.warnings { margin: 10px 0 0; padding: 0; list-style: none; }
.warnings li { margin-top: 6px; padding: 7px 10px; border-radius: 8px; color: var(--warning-ink);
               border: 1px solid var(--border); background: var(--surface-2); }

/* Tables */
.table-wrap { overflow-x: auto; }
.table { border-collapse: collapse; width: 100%; font-size: 13px; }
.table th, .table td { text-align: left; vertical-align: top; padding: 6px 8px;
                       border-bottom: 1px solid var(--border); }
.table th { color: var(--ink-2); font-weight: 600; white-space: nowrap; }
.filter { width: min(100%, 320px); margin: 10px 0 4px; }
.params td.name { white-space: nowrap; font-weight: 600; }
.params td.value { white-space: nowrap; font-variant-numeric: tabular-nums; }
.params .note { color: var(--muted); font-size: 12px; margin-top: 2px; }
.empty { margin-top: 8px; }
.tag { display: inline-block; font-size: 11.5px; color: var(--ink-2); background: var(--surface-2);
       border-radius: 99px; padding: 0 7px; white-space: nowrap; }
.tag.parmdef { color: var(--accent); }
.tag.locked { color: var(--warning-ink); margin-left: 6px; }
.holds td.yes { color: var(--good-ink); }
.holds td.no { color: var(--critical-ink); }

/* Built-in files */
.files { display: grid; gap: 0; margin-top: 6px; }
.file { border-bottom: 1px solid var(--border); padding: 8px 0; }
.file-head { display: flex; gap: 6px 12px; align-items: baseline; flex-wrap: wrap; }
.file-head .name { font-family: var(--mono); font-weight: 600; overflow-wrap: anywhere; }
.file-head .size { color: var(--ink-2); font-variant-numeric: tabular-nums; white-space: nowrap; }
.file-head .row { margin-left: auto; }
.file .why { color: var(--muted); font-size: 12.5px; margin: 2px 0 0; }
.code-wrap { position: relative; margin-top: 8px; }
.code-wrap .btn { position: absolute; top: 6px; right: 6px; }
.code { margin: 8px 0 0; padding: 10px 12px; background: var(--surface-2); border-radius: 8px;
        font-family: var(--mono); font-size: 12px; overflow: auto; max-height: 420px;
        white-space: pre; tab-size: 4; }
.code-wrap .code { margin: 0; padding-right: 70px; }
.regions { margin: 6px 0 0; padding-left: 18px; }
.meter { display: block; width: min(100%, 320px); height: 8px; margin-top: 4px; border-radius: 99px;
         background: var(--grid); overflow: hidden; }
.meter > span { display: block; height: 100%; background: var(--series-1); }

.explain p { margin: 4px 0 0; }
.about { padding: 4px 20px 24px; color: var(--muted); font-size: 12.5px; max-width: 1100px;
         margin: 0 auto; }
.about a { color: var(--ink-2); }
@media (max-width: 900px) { .about { padding: 4px 12px 20px; } }

/* On a phone each defaults row is a small card: name and value, the source below. */
@media (max-width: 600px) {
  /* the top bar wraps to two lines here: let it scroll away */
  .topbar { position: static; }
  .results { scroll-margin-top: 8px; }
  .params thead { display: none; }
  .params tr { display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; padding: 8px 0;
               border-bottom: 1px solid var(--border); }
  .params td { padding: 0; border: 0; }
  .params td:nth-child(3) { grid-column: 1 / -1; }
  .params td.name { overflow-wrap: anywhere; white-space: normal; }
  .file-head .row { margin-left: 0; }
}