/* ArduPilot Setup & Tuning Guide. 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;
  --accent: #2a78d6; --accent-bg: rgba(42, 120, 214, 0.10); --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; --good-bg: rgba(12, 163, 12, 0.10);
    --warning-ink: #fab219; --warning-bg: rgba(250, 178, 25, 0.10);
    --critical-ink: #e66767;
    --accent: #3987e5; --accent-bg: rgba(57, 135, 229, 0.16); --focus: #6da7ec; --shadow: none;
    --grid: #2c2c2a; --axis: #383835; --series-1: #3987e5;
  }
}
: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;
  --accent: #3987e5; --accent-bg: rgba(57, 135, 229, 0.16); --focus: #6da7ec; --shadow: none;
  --grid: #2c2c2a; --axis: #383835; --series-1: #3987e5;
}

* { 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); }

.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.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
select.btn { padding: 5px 8px; }
.version { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink-2); }

.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; }

/* the step list, your copter and the step: three columns from 1280 px, the
   copter above the step below that, one column on a phone */
.layout { display: grid; grid-template-columns: minmax(250px, 320px) minmax(0, 760px);
          grid-template-areas: "nav copter" "nav step"; gap: 16px;
          padding: 16px 20px; align-items: start; justify-content: center; }
.layout > .nav { grid-area: nav; }
.layout > .copter { grid-area: copter; }
.layout > .step { grid-area: step; }
@media (min-width: 1280px) {
  .layout { grid-template-columns: minmax(230px, 290px) minmax(0, 760px) minmax(260px, 300px);
            grid-template-areas: "nav step copter"; }
}
@media (max-width: 900px) {
  .layout { grid-template-columns: minmax(0, 1fr); grid-template-areas: "nav" "copter" "step"; 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 step list */
.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 summary { display: flex; justify-content: space-between; align-items: baseline; gap: 8px;
               padding: 2px 8px 6px; cursor: pointer; list-style: none; }
.nav summary::-webkit-details-marker { display: none; }
.nav summary::after { content: "▾"; color: var(--muted); margin-left: 4px; }
.nav details:not([open]) summary::after { content: "▸"; }
.nav-head { font-weight: 650; }
.progress-text { color: var(--ink-2); font-size: 12.5px; margin-left: auto; }
.progress { height: 4px; background: var(--surface-2); border-radius: 99px; margin: 0 8px 8px; overflow: hidden; }
.progress-bar { height: 100%; width: 0; background: var(--good-ink); transition: width 0.2s; }
.steps { list-style: none; margin: 0; padding: 0; }
.nav-stage { font-size: 12px; font-weight: 650; color: var(--ink-2); text-transform: uppercase;
             letter-spacing: 0.03em; padding: 12px 8px 4px; }
.nav-step a { display: flex; gap: 8px; align-items: baseline; padding: 5px 8px; border-radius: 7px;
              color: var(--ink); text-decoration: none; }
.nav-step a:hover { background: var(--surface-2); }
.nav-step.current a { background: var(--accent-bg); font-weight: 600; }
.nav-step .mark { flex: none; min-width: 2.2em; text-align: right; color: var(--muted);
                  font-variant-numeric: tabular-nums; font-size: 12.5px; }
.nav-step.done .mark { color: var(--good-ink); font-weight: 700; }
.nav-step.done .label { color: var(--ink-2); }
.linkish { border: 0; background: none; color: var(--accent); cursor: pointer; padding: 0; font-size: 12.5px; }
.linkish:hover { text-decoration: underline; }
#reset { margin: 10px 8px 2px; }
.move { margin: 6px 8px 2px; font-size: 12.5px; }
.move > summary { cursor: pointer; color: var(--accent); }
.move .hint { margin: 6px 0; }
.move .btn { font-size: 12.5px; padding: 3px 9px; }
.move-link { display: block; margin-top: 6px; }
.move-link input { display: block; width: 100%; margin-top: 4px; font: 12px var(--mono); }

/* ----------------------------------------------------------------- the step */
.step { padding: 18px 22px 16px; }
@media (max-width: 600px) { .step { padding: 14px 14px 12px; } }
.step-head { margin-bottom: 10px; }
.counter { margin: 0; color: var(--muted); font-size: 12.5px; }
.step h2 { font-size: 20px; line-height: 1.3; margin: 2px 0 0; display: flex; flex-wrap: wrap;
           align-items: baseline; gap: 4px 10px; }
.badge { font-size: 12px; font-weight: 600; color: var(--good-ink); background: var(--good-bg);
         border-radius: 99px; padding: 1px 9px; }
.step p { margin: 10px 0; }
.block { margin: 12px 0; }
.block h3 { font-size: 13.5px; margin: 14px 0 4px; color: var(--ink-2); }
ol.do, ul.bullets { margin: 6px 0; padding-left: 22px; }
ol.do > li, ul.bullets > li { margin: 6px 0; padding-left: 2px; }
ol.do > li::marker { font-weight: 700; color: var(--accent); }
li ul.bullets { margin: 4px 0; }
code { font-family: var(--mono); font-size: 0.92em; background: var(--surface-2); border-radius: 4px;
       padding: 0 4px; overflow-wrap: anywhere; }
code.param { color: var(--ink); font-weight: 500; }
strong { font-weight: 650; }

.box { border-radius: 8px; padding: 8px 12px; margin: 14px 0; border: 1px solid var(--border); }
.box-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; }
.box p { margin: 4px 0; }
.box ul.bullets { margin: 4px 0; }
.box.done { background: var(--good-bg); border-color: transparent; }
.box.done .box-label { color: var(--good-ink); }
.box.warn { background: var(--warning-bg); border-color: transparent; }
.box.warn .box-label { color: var(--warning-ink); }
.note { color: var(--ink-2); font-size: 13px; }
.note::before { content: "→ "; color: var(--muted); }
.hint { color: var(--muted); font-size: 12.5px; margin: 6px 0 0; }
.invalid-text { color: var(--critical-ink); font-size: 13px; margin: 6px 0 0; }

.channels { background: var(--surface-2); border-color: transparent; }
.channels legend { font-weight: 650; font-size: 13px; padding: 0 4px; }
.channel-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 8px; }
.channel { display: grid; gap: 3px; font-size: 12.5px; color: var(--ink-2); }
.channel select { padding: 5px 8px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); }

.sources a { overflow-wrap: anywhere; }
.details, .sources { font-size: 12.5px; color: var(--muted); border-top: 1px solid var(--border);
                     padding-top: 10px; margin-top: 18px !important; }
.finished { font-weight: 650; color: var(--good-ink); }
.step-foot { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap;
             margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--border); }
.row { display: flex; gap: 8px; flex-wrap: wrap; }
.tool { font-weight: 600; }

/* the reader's own values, the step's parameter file, their parameters' check */
.fields { display: flex; flex-wrap: wrap; gap: 8px 16px; margin: 6px 0 8px; }
.field { display: grid; gap: 3px; font-size: 12.5px; color: var(--ink-2); min-width: 0; max-width: 100%; }
.field select { width: 100%; }
.table code.param { white-space: nowrap; overflow-wrap: normal; }
.field-row { display: inline-flex; align-items: center; gap: 5px; }
.field input, .field select { padding: 5px 8px; border: 1px solid var(--border); border-radius: 8px;
                              background: var(--surface); color: var(--ink); max-width: 100%; }
.field input { width: 8em; }
.unit { color: var(--muted); }
input.invalid { border-color: var(--critical) !important; }
.params-box { background: var(--surface-2); border-color: transparent; }
.params-box .box-label, .checks-box .box-label, .diagram-box figcaption { color: var(--ink-2); }
.params-box .table { margin: 4px 0 10px; }
.table-wrap { overflow-x: auto; }
.table td.num { font-family: var(--mono); font-size: 0.92em; }
.table td.differs { color: var(--warning-ink); font-weight: 600; }
.params-box button[disabled] { opacity: 0.5; cursor: not-allowed; }
.params-box .table td { vertical-align: top; }
.value-row { display: inline-flex; align-items: center; gap: 5px; }
input.value { width: 7.5em; padding: 3px 6px; border: 1px solid var(--border); border-radius: 6px;
              background: var(--surface); color: var(--ink); font-family: var(--mono); font-size: 0.92em; }
input.value.edited { border-color: var(--accent); background: var(--accent-bg); }
.value-note { color: var(--muted); font-size: 11.5px; margin-top: 2px; max-width: 22em; }
.range-warn { color: var(--warning-ink); }
.checks-box { border-color: var(--border); }
ul.checks { list-style: none; margin: 6px 0 0; padding: 0; }
.check-all { margin: 4px 0 0; color: var(--good-ink); font-weight: 600; }
.check-all .linkish { font-weight: 400; }
.check { display: flex; gap: 8px; align-items: baseline; margin: 5px 0; }
.check-icon { flex: none; width: 1.3em; text-align: center; font-weight: 700; }
.check.pass .check-icon { color: var(--good-ink); }
.check.fail .check-icon { color: var(--critical-ink); }
.check.warn .check-icon { color: var(--warning-ink); }
.check.unknown .check-icon { color: var(--muted); }
.check.info .check-icon { color: var(--accent); }
/* the flight controller over USB */
.fc-armed { color: var(--critical-ink); font-weight: 700; }
.fc-safe { color: var(--good-ink); }
ul.fc-texts { margin: 6px 0 0; padding: 0; list-style: none; font: 11.5px var(--mono); color: var(--ink-2); }
ul.fc-texts li { overflow-wrap: anywhere; }
.fc-result { flex-basis: 100%; margin: 4px 0; font-size: 13px; color: var(--ink-2); }

/* calibrations, in the step */
.cal-box { border-color: var(--accent); }
.cal-panel + .cal-panel { margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--border); }
.cal-panel h4 { margin: 4px 0 6px; font-size: 14px; }
.cal-panel p { margin: 6px 0; }
.cal-pose { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.cal-step { color: var(--ink-2); font-size: 12.5px; margin: 0; }
.cal-where { font-size: 18px; font-weight: 700; margin: 2px 0 6px; }
.cal-busy { color: var(--accent); font-weight: 600; }
.cal-ok { color: var(--good-ink); font-weight: 600; }
.cal-bad { color: var(--critical-ink); font-weight: 600; }
.cal-bar { display: grid; grid-template-columns: 7em minmax(0, 1fr) 3em; gap: 8px; align-items: center; margin: 6px 0; }
.cal-bar-track { height: 10px; background: var(--surface-2); border-radius: 99px; overflow: hidden; }
.cal-bar-fill { display: block; height: 100%; background: var(--accent); transition: width 0.3s; }
.cal-bar-pct { font: 12px var(--mono); color: var(--ink-2); text-align: right; }
.rc-bars { display: grid; gap: 3px; margin: 6px 0; }
.rc-bar { display: grid; grid-template-columns: 8.5em minmax(0, 1fr) 3.2em; gap: 8px; align-items: center; font-size: 12.5px; }
.rc-name { color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rc-track { position: relative; height: 12px; background: var(--surface-2); border-radius: 3px; }
.rc-range { position: absolute; top: 0; bottom: 0; background: var(--accent-bg); border: 1px solid var(--accent); border-radius: 3px; }
.rc-now { position: absolute; top: -2px; bottom: -2px; width: 3px; margin-left: -1px; background: var(--accent); border-radius: 2px; }
.rc-value { font: 12px var(--mono); text-align: right; }
.check-line { display: inline-flex; gap: 6px; align-items: center; margin-right: 14px; }
.motor-buttons { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.motor-buttons .btn { min-width: 7.5em; }
.motor-rpm { font: 12.5px var(--mono); }
ul.cal-results { list-style: none; margin: 6px 0; padding: 0; }
ul.cal-results li { margin: 4px 0; }
svg.pose { width: 150px; height: auto; flex: none; }
svg.pose .pose-ground { stroke: var(--axis); stroke-width: 2; }
svg.pose .pose-arm { stroke: var(--ink-2); stroke-width: 3; stroke-linecap: round; }
svg.pose .pose-body { fill: var(--surface-2); stroke: var(--ink-2); stroke-width: 1.5; }
svg.pose .pose-prop { fill: none; stroke: var(--accent); stroke-width: 2; }
svg.pose .pose-nose { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linecap: round; }
svg.pose .pose-nose-head { fill: var(--accent); }
svg.pose .pose-letter { fill: var(--ink); font-size: 11px; font-weight: 700; }

/* the whole setup in one file */
.setup-box > summary { cursor: pointer; }
.setup-box[open] > summary { margin-bottom: 6px; }
.setup-box .segmented { margin: 2px 0 4px; }
.setup-box .seg { font-size: 13px; }
.setup-count { font-weight: 600; }
.setup-list { margin: 6px 0; }
.setup-list summary { cursor: pointer; color: var(--ink-2); }
.setup-list ul { margin: 6px 0; padding-left: 18px; }
.setup-list li { margin: 3px 0; overflow-wrap: anywhere; }
/* what a flight log says, under the step it belongs to */
.log-extra { margin-top: 6px; }
.log-extra .table { margin: 0 0 8px; }
.log-extra .btn { font-size: 13px; padding: 4px 10px; }
ul.log-events { margin: 0; padding-left: 18px; }
ul.log-events li { margin: 3px 0; overflow-wrap: anywhere; }
.check-values { color: var(--muted); font-size: 12px; font-family: var(--mono); overflow-wrap: anywhere; }
/* ------------------------------------------------------------ your copter */
.copter { padding: 8px 12px; font-size: 13px; }
/* folded: the title, the status beside it (under it on a phone), the arrow */
.copter summary { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: baseline;
                  gap: 2px 12px; cursor: pointer; list-style: none; padding: 2px 0; }
.copter summary::-webkit-details-marker { display: none; }
.copter summary::after { content: "▸"; color: var(--muted); grid-column: 3; grid-row: 1; }
.copter details[open] summary::after { content: "▾"; }
.copter-title { font-weight: 650; grid-column: 1; grid-row: 1; }
.copter-status { color: var(--ink-2); font-size: 12.5px; min-width: 0; overflow-wrap: anywhere; grid-column: 2; grid-row: 1; }
@media (max-width: 600px) { .copter-status { grid-column: 1 / -1; grid-row: 2; } }
.copter details[open] .copter-status { display: none; }
.copter-bar { margin-top: 6px; }
/* the panel's own title already says "Your copter" */
.copter-bar .voko-copter .vc-title { display: none; }
.copter-bar .voko-copter { padding: 6px 10px; font-size: 12.5px; }
.copter-notes { margin: 6px 0 0; padding-left: 18px; color: var(--warning-ink); font-size: 12.5px; }
.copter-notes li { margin: 2px 0; overflow-wrap: anywhere; }
.copter-notes li.ok { color: var(--ink-2); }
.copter-body { margin-top: 6px; }
.copter-part + .copter-part { margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--border); }
.copter-head { font-size: 13px; font-weight: 650; margin: 0 0 4px; color: var(--ink-2); }
.copter .btn { font-size: 12.5px; padding: 3px 9px; }
.copter .btn.wrap { white-space: normal; text-align: left; }
.copter p { margin: 6px 0 0; overflow-wrap: anywhere; }
.copter .row { margin-top: 6px; }
@media (min-width: 1280px) {
  .copter { position: sticky; top: 70px; max-height: calc(100vh - 86px); overflow: auto; padding: 10px 14px; }
  .copter summary { cursor: default; pointer-events: none; }
  .copter details summary::after, .copter details[open] summary::after { content: none; }
}
.file-sum { color: var(--good-ink); font-weight: 600; }
.file-sum.fail { color: var(--critical-ink); }
.nav-step .dot { flex: none; width: 8px; height: 8px; border-radius: 50%; margin-left: auto; align-self: center; }
.nav-step .dot.pass { background: var(--good-ink); }
.nav-step .dot.warn { background: var(--warning-ink); }
.nav-step .dot.fail { background: var(--critical); }
.nav-step .dot.unknown { border: 1.5px solid var(--muted); }

/* the motor diagram */
.diagram-box { background: var(--surface); border-color: var(--border); }
svg.motors { width: 100%; max-width: 340px; height: auto; display: block; margin: 4px auto; }
svg.motors .arm { stroke: var(--axis); stroke-width: 6; stroke-linecap: round; }
svg.motors .body { fill: var(--surface-2); stroke: var(--ink-2); stroke-width: 1.5; }
svg.motors .nose, svg.motors .arrow-head { fill: var(--ink-2); }
svg.motors .motor { fill: var(--surface); stroke: var(--ink-2); stroke-width: 1.5; }
svg.motors .motor.lower { stroke-dasharray: 4 3; }
svg.motors .spin { fill: none; stroke: var(--ink-2); stroke-width: 2; }
svg.motors .motor-n { fill: var(--ink); font-size: 18px; font-weight: 700; }
svg.motors .motor-dir { fill: var(--muted); font-size: 9px; }
svg.motors .letter-bg { fill: var(--accent); }
svg.motors .letter { fill: #fff; font-size: 12px; font-weight: 700; }
svg.motors .front { fill: var(--ink-2); font-size: 12px; font-weight: 650; letter-spacing: 0.05em; }

.plot-box { background: var(--surface); border-color: var(--border); margin: 14px 0; }
.plot-box figcaption { font-size: 13px; margin-bottom: 4px; }
svg.plot { width: 100%; height: auto; display: block; overflow: visible; }
svg.plot .grid { stroke: var(--grid); stroke-width: 1; }
svg.plot .tick, svg.plot .axis-label { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
svg.plot .series { fill: none; stroke: var(--series-1); stroke-width: 2; stroke-linejoin: round; }
svg.plot .you { fill: var(--series-1); stroke: var(--surface); stroke-width: 2; }
svg.plot .crosshair { stroke: var(--axis); stroke-width: 1; }
svg.plot .hit { fill: transparent; cursor: crosshair; }
.plot-input { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 6px; font-size: 13px; }
.plot-input label { color: var(--ink-2); }
.plot-input input { width: 80px; padding: 5px 8px; border: 1px solid var(--border); border-radius: 8px;
                    background: var(--surface); }
.plot-table summary { cursor: pointer; color: var(--ink-2); font-size: 12.5px; margin-top: 6px; }
.table { border-collapse: collapse; margin-top: 4px; font-size: 13px; font-variant-numeric: tabular-nums; }
.table th, .table td { text-align: left; padding: 3px 14px 3px 0; border-bottom: 1px solid var(--border); }
.tooltip { position: fixed; z-index: 30; pointer-events: none; background: var(--surface);
           border: 1px solid var(--border); border-radius: 6px; padding: 3px 8px; font-size: 12.5px;
           box-shadow: var(--shadow); font-variant-numeric: tabular-nums; }

.about { max-width: 1100px; margin: 0 auto; padding: 4px 20px 24px; color: var(--muted); font-size: 12.5px; }
.about p { margin: 4px 0; }
.about a { color: var(--ink-2); }
.muted { color: var(--muted); }
@media (max-width: 900px) { .about { padding: 4px 12px 20px; } }
@media (max-width: 600px) {
  .topbar { position: static; padding: 8px 12px; gap: 8px; }
  .actions { margin-left: 0; }
  .step h2 { font-size: 18px; }
}

/* the field checklist: on screen, and on paper */
ul.ticks { list-style: none; margin: 6px 0; padding: 0; }
ul.ticks > li { margin: 5px 0; }
ul.ticks > li > label { display: flex; gap: 8px; align-items: baseline; cursor: pointer; }
ul.ticks input[type="checkbox"] { flex: none; width: 16px; height: 16px; margin: 0; transform: translateY(2px); }
ul.ticks > li > ul { margin: 2px 0 0 24px; }
.field-part, .field-step { margin: 18px 0; }
.field-step { padding-top: 12px; border-top: 1px solid var(--border); }
.field-step h3 { margin: 0 0 6px; }
.field-step h4 { margin: 10px 0 4px; font-size: 14px; color: var(--ink-2); }
.field-steps-head { margin-top: 26px; }
.field-copter th { text-align: left; font-weight: 600; color: var(--ink-2); padding-right: 12px; white-space: nowrap; }
.field-warn { background: var(--warning-bg); padding: 8px 10px; border-radius: 8px; }

@media print {
  @page { margin: 14mm; }
  html, body { background: #fff; color: #000; }
  .topbar, #nav, #copter, .about, .no-print, .step-foot, .tooltip { display: none !important; }
  .layout { display: block; margin: 0; padding: 0; max-width: none; }
  .card.step { border: 0; box-shadow: none; padding: 0; margin: 0; max-width: none; }
  .field-step, .field-part { break-inside: avoid; }
  .field-warn { border: 1px solid #000; background: none; }
  a { color: inherit; text-decoration: none; }
  ul.ticks input[type="checkbox"] { appearance: none; -webkit-appearance: none; border: 1.2px solid #000; border-radius: 2px; }
}