/* LayerLine · KiCad PCB Calculator web UI. GPL-3.0-or-later */

/* ---------- tokens ---------- */
:root {
  /* Monochrome UI; warn / err stay coloured because they carry calculation status */
  --ground: #ffffff;
  --surface: #ffffff;
  --sunken: #f4f4f4;
  --ink: #111111;
  --ink-2: #3a3a3a;
  --muted: #6e6e6e;
  --line: #e0e0e0;
  --line-strong: #c6c6c6;
  --cu: #111111;
  --cu-ink: #111111;
  --cu-soft: #ececec;
  --mask: #111111;
  --mask-soft: #ececec;
  --cool: #3d63b8;
  --gal-pos: #7c7cc8;
  --gal-neg: #e0925a;
  --gal-zero: #c1e7ff;
  --fr4: #e6e6e6;
  --fr4-edge: #cccccc;
  --ok: #3a3a3a;
  --warn: #a86a12;
  --warn-soft: #fbefd9;
  --err: #b83a2e;
  --err-soft: #f8dfdb;
  --focus: #111111;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.06), 0 4px 16px rgb(0 0 0 / 0.05);

  --sans: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --mono: "Cascadia Mono", "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  --fs-xs: 0.75rem;
  --fs-sm: 0.8125rem;
  --fs-md: 0.875rem;
  --fs-lg: 1.0625rem;
  --fs-xl: 1.5rem;

  --r: 6px;
  --es-strength: 100%;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground: #111111;
    --surface: #181818;
    --sunken: #202020;
    --ink: #eeeeee;
    --ink-2: #cccccc;
    --muted: #999999;
    --line: #2e2e2e;
    --line-strong: #454545;
    --cu: #f0f0f0;
    --cu-ink: #f0f0f0;
    --cu-soft: #2a2a2a;
    --mask: #f0f0f0;
    --mask-soft: #2a2a2a;
    --cool: #7f9df0;
    --fr4: #333333;
    --fr4-edge: #4a4a4a;
    --ok: #cccccc;
    --warn: #e0a84a;
    --warn-soft: #3a2c12;
    --err: #ef7a6c;
    --err-soft: #3d1b17;
    --focus: #f0f0f0;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.3);
    --es-strength: 78%;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ground: #111111;
  --surface: #181818;
  --sunken: #202020;
  --ink: #eeeeee;
  --ink-2: #cccccc;
  --muted: #999999;
  --line: #2e2e2e;
  --line-strong: #454545;
  --cu: #f0f0f0;
  --cu-ink: #f0f0f0;
  --cu-soft: #2a2a2a;
  --mask: #f0f0f0;
  --mask-soft: #2a2a2a;
  --cool: #7f9df0;
  --fr4: #333333;
  --fr4-edge: #4a4a4a;
  --ok: #cccccc;
  --warn: #e0a84a;
  --warn-soft: #3a2c12;
  --err: #ef7a6c;
  --err-soft: #3d1b17;
  --focus: #f0f0f0;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.3);
  --es-strength: 78%;
  color-scheme: dark;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font: 400 var(--fs-md)/1.5 var(--sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Keep controls clear of native status bars and gesture areas in Capacitor. */
body {
  padding-top: env(safe-area-inset-top);
  padding-right: env(safe-area-inset-right);
  padding-bottom: env(safe-area-inset-bottom);
  padding-left: env(safe-area-inset-left);
}
a { color: var(--cu-ink); }
code { font-family: var(--mono); font-size: 0.92em; }
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
[hidden] { display: none !important; }
h1, h2, h3 { text-wrap: balance; margin: 0; }

.nav-toggle {
  display: none;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  border-radius: var(--r);
  padding: 4px 12px;
  cursor: pointer;
  white-space: nowrap;
}

/* ---------- shell ---------- */
.shell {
  flex: 1;
  display: grid;
  grid-template-columns: 216px minmax(0, 1fr);
  width: 100%;
  max-width: 1560px;
  margin: 0 auto;
}
.sidenav {
  position: sticky;
  top: 0;
  align-self: start;
  max-height: 100vh;
  overflow-y: auto;
  padding-block: 20px;
  padding-inline: 12px 8px;
  border-right: 1px solid var(--line);
}
.nav-group + .nav-group { margin-top: 18px; }
.nav-source { margin: 24px 10px 0; font-size: var(--fs-xs); color: var(--muted); }
.nav-source a { color: var(--muted); }
.nav-group h2 {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.06em;
  padding: 0 10px 6px;
}
.nav-group a {
  display: block;
  padding: 6px 10px;
  border-radius: var(--r);
  color: var(--ink-2);
  text-decoration: none;
  border-left: 2px solid transparent;
}
.nav-group a:hover { background: var(--sunken); color: var(--ink); }
.nav-group a[aria-current="page"] {
  background: var(--mask-soft);
  color: var(--mask);
  font-weight: 600;
  border-left-color: var(--mask);
  border-radius: 0 var(--r) var(--r) 0;
}

.main { min-width: 0; padding-block: 24px 40px; padding-inline: 28px; outline: none; }
.page-head { max-width: 72ch; margin-bottom: 20px; }
.page-cat { margin: 0 0 4px; font-size: var(--fs-xs); color: var(--muted); letter-spacing: 0.06em; }
.page-head h1 { font-size: var(--fs-xl); font-weight: 650; letter-spacing: -0.005em; }
.page-desc { margin: 6px 0 0; color: var(--ink-2); }
.formula {
  display: inline-block;
  margin-top: 10px;
  padding: 4px 10px;
  font-family: var(--mono);
  font-size: var(--fs-sm);
  background: var(--sunken);
  border: 1px solid var(--line);
  border-radius: var(--r);
  color: var(--ink-2);
}


/* ---------- panels ---------- */
.page-body { display: grid; gap: 20px; }
.cols { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); align-items: start; }
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 18px 18px;
  min-width: 0;
}
.panel > h2, .panel-title {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.panel-note { margin: 12px 0 0; font-size: var(--fs-sm); color: var(--muted); }
.panel-note.warn { color: var(--warn); }
.panel-note.err { color: var(--err); }
.sub { font-size: var(--fs-xs); color: var(--muted); font-weight: 400; }

/* ---------- fields ---------- */
.fields { display: grid; gap: 10px; }
.fields.two { grid-template-columns: repeat(auto-fit, minmax(min(100%, 176px), 1fr)); gap: 10px 14px; }
.fld { display: grid; gap: 4px; min-width: 0; }
.fld > label, .fld > .lbl {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-size: var(--fs-sm);
  color: var(--ink-2);
}
.fld > label .sym, .fld > .lbl .sym { font-family: var(--mono); font-size: var(--fs-xs); color: var(--muted); }
.ctl {
  display: flex;
  align-items: stretch;
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
}
/* No overflow clipping (the pick tooltip must escape), so round the end children instead. */
.ctl > :first-child { border-top-left-radius: calc(var(--r) - 1px); border-bottom-left-radius: calc(var(--r) - 1px); }
.ctl > :last-child { border-top-right-radius: calc(var(--r) - 1px); border-bottom-right-radius: calc(var(--r) - 1px); }
.ctl:focus-within { border-color: var(--focus); box-shadow: 0 0 0 2px color-mix(in srgb, var(--focus) 22%, transparent); }
.ctl input, .ctl select {
  min-width: 0;
  border: 0;
  background: transparent;
  padding: 6px 9px;
  outline: none;
}
.ctl input { flex: 1; font-family: var(--mono); font-variant-numeric: tabular-nums; }
.ctl select.unit {
  flex: none;
  width: auto;
  max-width: 7.5em;
  border-left: 1px solid var(--line);
  background: var(--sunken);
  color: var(--ink-2);
  font-size: var(--fs-sm);
  padding-inline: 6px 4px;
  cursor: pointer;
}
.ctl .unit-fixed {
  flex: none;
  display: flex;
  align-items: center;
  padding: 0 10px;
  border-left: 1px solid var(--line);
  background: var(--sunken);
  color: var(--muted);
  font-size: var(--fs-sm);
  font-family: var(--mono);
}
.ctl .pick {
  flex: none;
  border: 0;
  border-left: 1px solid var(--line);
  background: var(--sunken);
  color: var(--cu-ink);
  padding: 0 10px;
  cursor: pointer;
  font-size: var(--fs-sm);
}
.ctl .pick:hover { background: var(--cu-soft); }
.ctl .pick-icon { position: relative; display: flex; align-items: center; justify-content: center; padding: 0 9px; }
.pick-icon svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; }
.pick-icon::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 6px);
  right: -1px;
  z-index: 10;
  padding: 4px 8px;
  border-radius: 4px;
  background: var(--ink);
  color: var(--surface);
  font-size: var(--fs-xs);
  font-weight: 500;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateY(2px);
  transition: opacity 0.12s, transform 0.12s;
}
.pick-icon:hover::after, .pick-icon:focus-visible::after { opacity: 1; transform: none; }
.ctl.select-only select { flex: 1; padding: 6px 9px; cursor: pointer; }
.fld.is-computed .ctl { background: var(--mask-soft); border-color: color-mix(in srgb, var(--mask) 40%, var(--line)); }
.fld.is-computed input { color: var(--mask); font-weight: 600; }
.fld.is-master > label, .fld.is-master > .lbl { color: var(--ink); font-weight: 650; }
.fld.is-master .ctl { border-color: var(--ink-2); }
.fld.st-warn .ctl { background: var(--warn-soft); border-color: var(--warn); }
.fld.st-err .ctl { background: var(--err-soft); border-color: var(--err); }
.fld[aria-disabled="true"] { opacity: 0.55; }
.fld .radio-inline { margin-left: auto; font-size: var(--fs-xs); color: var(--muted); display: inline-flex; gap: 4px; align-items: center; cursor: pointer; }

.check { display: flex; align-items: center; gap: 8px; font-size: var(--fs-sm); color: var(--ink-2); cursor: pointer; }
.check input { accent-color: var(--mask); width: 16px; height: 16px; }

.seg { display: inline-flex; flex-wrap: wrap; border: 1px solid var(--line-strong); border-radius: var(--r); overflow: hidden; }
.seg label { position: relative; cursor: pointer; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span { display: block; padding: 5px 12px; font-size: var(--fs-sm); color: var(--ink-2); border-right: 1px solid var(--line); background: var(--surface); }
.seg label:last-child span { border-right: 0; }
.seg input:checked + span { background: var(--mask); color: var(--surface); font-weight: 600; }
.seg input:focus-visible + span { outline: 2px solid var(--focus); outline-offset: -2px; }

.group-label { font-size: var(--fs-xs); color: var(--muted); letter-spacing: 0.05em; margin: 14px 0 8px; display: flex; align-items: center; gap: 8px; }
.group-label::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.group-label:first-child { margin-top: 0; }

/* ---------- results ---------- */
.results { display: grid; gap: 0; }
.row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 7px 0;
  border-bottom: 1px dashed var(--line);
}
.row:last-child { border-bottom: 0; }
.row .k { color: var(--ink-2); font-size: var(--fs-sm); }
.row .v { font-family: var(--mono); font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.row .v small { color: var(--muted); margin-left: 4px; font-size: var(--fs-xs); }
.row.hl .v { color: var(--cu-ink); font-weight: 650; }
.row .v.na { color: var(--muted); }

.readout { display: flex; flex-wrap: wrap; gap: 8px 28px; padding-bottom: 12px; margin-bottom: 6px; border-bottom: 1px solid var(--line); }
.readout div { display: grid; }
.readout span { font-size: var(--fs-xs); color: var(--muted); }
.readout strong { font-family: var(--mono); font-size: 1.75rem; font-weight: 600; font-variant-numeric: tabular-nums; line-height: 1.2; color: var(--ink); }
.readout strong small { font-size: var(--fs-md); color: var(--muted); font-weight: 400; margin-left: 4px; }
.readout .primary strong { color: var(--cu-ink); }

.pill { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: var(--fs-xs); font-weight: 600; }
.pill.ok { background: var(--mask-soft); color: var(--ok); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.err { background: var(--err-soft); color: var(--err); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: var(--r);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  font-weight: 600;
  font-size: var(--fs-sm);
}
.btn:hover { background: var(--sunken); }
.btn.primary { background: var(--ink); border-color: var(--ink); color: var(--surface); }
.btn.primary:hover { background: var(--ink-2); border-color: var(--ink-2); }
.btn.ghost { border-color: transparent; background: transparent; color: var(--cu-ink); }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); background: var(--surface); }
table.data { border-collapse: collapse; width: 100%; font-size: var(--fs-sm); }
table.data th, table.data td { padding: 6px 10px; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
table.data th { font-weight: 600; color: var(--ink-2); background: var(--sunken); }
table.data th:first-child, table.data td:first-child { text-align: left; }
table.data td { font-family: var(--mono); font-variant-numeric: tabular-nums; }
table.data td.txt { font-family: var(--sans); }
table.data tr:last-child td { border-bottom: 0; }
table.data tr.is-hit td { background: var(--cu-soft); }
table.data tr.is-hit td:first-child { box-shadow: inset 3px 0 0 var(--cu); }
table.data td.dim { color: var(--muted); }
.table-wrap.tall { max-height: 70vh; }

/* galvanic matrix */
table.matrix { border-collapse: separate; border-spacing: 0; font-size: var(--fs-xs); }
table.matrix th, table.matrix td { padding: 4px 6px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); white-space: nowrap; }
table.matrix thead th { position: sticky; top: 0; z-index: 2; background: var(--sunken); writing-mode: vertical-rl; transform: rotate(180deg); text-align: left; padding: 8px 4px; font-weight: 600; color: var(--ink-2); }
table.matrix tbody th { position: sticky; left: 0; z-index: 1; background: var(--sunken); text-align: right; font-weight: 600; color: var(--ink-2); }
table.matrix thead th.corner { writing-mode: horizontal-tb; transform: none; left: 0; z-index: 3; }
table.matrix td { text-align: center; font-family: var(--mono); font-variant-numeric: tabular-nums; min-width: 3.2em; }

/* e-series: column colours from KiCad's panel_eseries_display.h */
.eseries-wrap { display: grid; gap: 20px; grid-template-columns: minmax(0, 3fr) minmax(0, 1fr); align-items: start; }
.es-blocks { display: flex; gap: 10px; border: 0; background: transparent; }
.eseries { border-collapse: collapse; font-family: var(--mono); font-size: var(--fs-sm); font-variant-numeric: tabular-nums; flex: none; }
.eseries th { font-family: var(--sans); background: var(--sunken); color: var(--ink-2); font-weight: 600; padding: 5px 10px; border: 1px solid var(--line); }
.eseries td { padding: 2px 10px; border: 1px solid var(--line); text-align: center; vertical-align: middle; }
.eseries td.es { color: #111; border-color: var(--surface); --es-base: color-mix(in srgb, var(--es) var(--es-strength), #000); background: var(--es-base); }
.eseries td.es.alt { background: color-mix(in srgb, var(--es-base) 70%, #fff); }
.es-e1 { --es: #f0fff0; }
.es-e3 { --es: #98fb98; }
.es-e6 { --es: #6495ed; }
.es-e12 { --es: #dda0dd; }
.es-e24 { --es: #87ceeb; }
.es-e48 { --es: #6be823; }
.es-e96 { --es: #ffa07a; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
label.btn { user-select: none; }
.sub-form { padding: 12px; border: 1px dashed var(--line-strong); border-radius: var(--r); display: grid; gap: 10px; background: var(--sunken); }

/* ---------- transmission line page ---------- */
.tl { display: grid; gap: 20px; grid-template-columns: 196px minmax(0, 1fr) minmax(0, 1fr); align-items: start; }
.tl-models { display: grid; gap: 4px; position: sticky; top: 16px; }
.tl-model {
  display: grid;
  grid-template-columns: 52px 1fr;
  align-items: center;
  gap: 10px;
  padding: 7px 8px;
  border: 1px solid transparent;
  border-radius: var(--r);
  background: transparent;
  text-align: left;
  cursor: pointer;
  color: var(--ink-2);
}
.tl-model:hover { background: var(--surface); border-color: var(--line); }
.tl-model[aria-pressed="true"] { background: var(--surface); border-color: var(--cu); color: var(--ink); box-shadow: var(--shadow); }
.tl-thumb { display: flex; align-items: center; justify-content: center; width: 52px; height: 40px; }
.tl-thumb img { max-width: 52px; max-height: 40px; width: auto; height: auto; }
.tl-model span { font-size: var(--fs-sm); font-weight: 550; line-height: 1.25; }
.tl-model small { display: block; font-family: var(--mono); font-size: 0.66rem; color: var(--muted); font-weight: 400; letter-spacing: 0.02em; }

.tl-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 16px 0;
}
.tl-actions .btn { padding-block: 9px; }
.tl-actions .hint { grid-column: 1 / -1; margin: 0; font-size: var(--fs-xs); color: var(--muted); }
.tl-status { font-size: var(--fs-xs); }

.xsec { width: 100%; height: auto; display: block; }
.xsec .fr4 { fill: var(--fr4); stroke: var(--fr4-edge); stroke-width: 1; }
.xsec .cu { fill: var(--cu); }
.xsec .cu-line { fill: none; stroke: var(--cu); }
.xsec .mask { fill: color-mix(in srgb, var(--mask) 55%, transparent); }
.xsec .air { fill: var(--sunken); stroke: var(--line); }
.xsec .dim { stroke: var(--ink-2); stroke-width: 1; fill: none; }
.xsec .dim-t { fill: var(--ink-2); font: 600 11px var(--mono); }
.xsec .dim-t.hot { fill: var(--cu-ink); }
.xsec .ins { fill: var(--fr4); stroke: var(--fr4-edge); }

.kimg { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 12px; padding-block: 4px 8px; }
.kimg-item { display: block; min-width: 0; }
.kimg img { display: block; max-width: 100%; height: auto; }
.kimg-item + .kimg-item img { max-height: 120px; width: auto; }
.k-dark { display: none !important; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .k-light { display: none !important; }
  :root:not([data-theme="light"]) .k-dark { display: block !important; }
}
:root[data-theme="dark"] .k-light { display: none !important; }
:root[data-theme="dark"] .k-dark { display: block !important; }


details.more { margin-top: 14px; border-top: 1px solid var(--line); padding-top: 10px; }
details.more summary { cursor: pointer; font-size: var(--fs-sm); color: var(--ink-2); font-weight: 600; list-style: none; display: flex; align-items: center; gap: 6px; }
details.more summary::before { content: "▸"; color: var(--muted); transition: transform 0.15s; }
details.more[open] summary::before { transform: rotate(90deg); }
details.more summary::-webkit-details-marker { display: none; }
details.more .fields { margin-top: 10px; }

/* resistor color code */
.resistor { width: 100%; max-width: 420px; height: auto; }
.resistor .body { fill: #d8c49a; stroke: #b39c6c; }
.resistor .lead { stroke: #9aa0a0; stroke-width: 4; stroke-linecap: round; }
.swatch { display: inline-block; width: 12px; height: 12px; border-radius: 3px; border: 1px solid var(--line-strong); vertical-align: -1px; margin-right: 6px; }

/* attenuator schematic */
.schem { width: 100%; max-width: 360px; height: auto; }
.schem .w { stroke: var(--ink-2); stroke-width: 1.5; fill: none; }
.schem .r { fill: var(--cu-soft); stroke: var(--cu); stroke-width: 1.5; }
.schem .t { fill: var(--ink-2); font: 600 11px var(--mono); }
.schem .g { stroke: var(--ink-2); stroke-width: 1.5; }

/* dialog picker */
dialog.picker { border: 1px solid var(--line-strong); border-radius: 10px; padding: 0; background: var(--surface); color: var(--ink); width: min(420px, calc(100vw - 32px)); box-shadow: 0 20px 60px rgb(0 0 0 / 0.25); }
dialog.picker::backdrop { background: rgb(15 20 17 / 0.4); }
.picker-head { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--line); font-weight: 600; }
.picker-list { max-height: 60vh; overflow-y: auto; padding: 6px; }
.picker-list button { display: grid; grid-template-columns: 6em 1fr; gap: 12px; width: 100%; text-align: left; padding: 7px 10px; border: 0; border-radius: var(--r); background: transparent; cursor: pointer; }
.picker-list button:hover, .picker-list button:focus-visible { background: var(--sunken); }
.picker-list b { font-family: var(--mono); font-weight: 600; color: var(--cu-ink); }

.err-box { padding: 10px 14px; border: 1px solid var(--err); background: var(--err-soft); color: var(--err); border-radius: var(--r); }

/* ---------- responsive ---------- */
@media (max-width: 1280px) {
  .eseries-wrap { grid-template-columns: minmax(0, 1fr); }
  .tl { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .tl-models { grid-column: 1 / -1; position: static; display: flex; overflow-x: auto; gap: 6px; padding-bottom: 4px; }
  .tl-model { flex: none; grid-template-columns: 44px auto; }
  .tl-thumb { width: 44px; height: 34px; }
  .tl-thumb img { max-width: 44px; max-height: 34px; }
}
@media (max-width: 900px) {
  .shell { grid-template-columns: minmax(0, 1fr); }
  .nav-toggle { display: inline-block; margin-bottom: 10px; }
  .sidenav {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 30;
    width: min(280px, 85vw);
    max-height: none;
    background: var(--surface);
    border-right: 1px solid var(--line);
    box-shadow: var(--shadow);
    transform: translateX(-102%);
    transition: transform 0.2s ease;
  }
  .sidenav.is-open { transform: none; }
  .main { padding-inline: 16px; }
  .tl { grid-template-columns: minmax(0, 1fr); }
  .tl > .tl-out { order: 1; }
  .tl > #tlInputs { order: 2; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}