/* ============================================================
   XTIA XPAD — shared theme (Claude-style, blue-tinted)
   Light surfaces · muted blue brand · serif headlines
   ============================================================ */

@import url('vendor/fonts/fonts.css');   /* self-hosted Manrope + JetBrains Mono (no Google Fonts CDN) */

:root {
  --preview-banner-h: 28px;

  /* Surfaces */
  --bg:            #DCE3EC;
  --bg-tint:       #D0D9E4;
  --surface:       rgba(255, 255, 255, 0.78);
  --surface-solid: #FFFFFF;
  --surface-2:     rgba(255, 255, 255, 0.55);
  --surface-3:     #E5EAF1;

  /* Ink */
  --ink:           #11161F;
  --ink-2:         #2E3849;
  --ink-3:         #525D6F;
  --ink-4:         #7B8597;
  --ink-5:         #B0B8C4;

  /* Lines */
  --line:          #D5DAE2;
  --line-2:        #E2E6EC;
  --line-3:        #EDF0F4;

  /* Brand — XPAD blue, desaturated (was #3a7bd5) */
  --brand:         #4F77AE;
  --brand-ink:     #3A5B8A;
  --brand-soft:    #E8EFF8;
  --brand-soft-2:  #D5E1F0;
  --brand-tint:    #F3F7FC;

  /* Module type colors (muted, low-saturation) */
  --t-mx:          #4F77AE;   /* MX switch (matches brand) */
  --t-mx-soft:     #D6E2F1;
  --t-mx-line:     #8FACD0;
  --t-adc:         #6B5BA8;   /* Analog / magnetic axis (a1–a4) — signature purple */
  --t-adc-soft:    #DFD6EE;
  --t-adc-line:    #A799CE;
  --t-vib:         #5C8C6E;   /* Vibration (green, muted) */
  --t-vib-soft:    #CFDFD3;
  --t-vib-line:    #94B59E;
  --t-voice:       #A88736;   /* Voice (amber, muted) */
  --t-voice-soft:  #ECDDB5;
  --t-voice-line:  #C8AC68;
  --t-enc:         #A86B4F;   /* Encoder (terracotta, muted) */
  --t-enc-soft:    #E8D2C2;
  --t-enc-line:    #C99878;

  /* Status */
  --success:       #4F8C66;
  --success-soft:  #E2EFE5;
  --warn:          #B07A2C;
  --warn-soft:     #F6ECD7;
  --danger:        #B05050;
  --danger-soft:   #F4DDDD;
  --pending:       #C2724E;
  --pending-soft:  #F5E1D5;

  /* Effects */
  --shadow-xs: 0 1px 2px rgba(20, 30, 50, 0.04);
  --shadow-sm: 0 1px 3px rgba(20, 30, 50, 0.06), 0 1px 2px rgba(20, 30, 50, 0.04);
  --shadow:    0 4px 14px rgba(20, 30, 50, 0.06), 0 1px 3px rgba(20, 30, 50, 0.04);
  --shadow-lg: 0 16px 48px rgba(20, 30, 50, 0.12);

  --r-xs: 4px;
  --r-sm: 6px;
  --r:    8px;
  --r-md: 10px;
  --r-lg: 14px;
  --r-xl: 18px;

  --ff-sans:  'Manrope', -apple-system, 'Segoe UI', system-ui, sans-serif;
  --ff-serif: 'Source Serif 4', 'Iowan Old Style', Georgia, serif;
  --ff-mono:  'JetBrains Mono', ui-monospace, 'SFMono-Regular', Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg) !important;
  color: var(--ink) !important;
  font-family: var(--ff-sans) !important;
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

/* ── Headings ─────────────────────────────────────────────── */
h1 {
  font-family: var(--ff-sans) !important;
  font-weight: 600 !important;
  letter-spacing: -0.01em !important;
  background: none !important;
  -webkit-background-clip: initial !important;
  -webkit-text-fill-color: initial !important;
  background-clip: initial !important;
  color: var(--ink) !important;
  font-size: 28px !important;
}
h2, h3, h4 { font-family: var(--ff-sans); }

/* ── Subtitle ─────────────────────────────────────────────── */
.subtitle {
  color: var(--ink-3) !important;
  font-size: 13.5px !important;
  letter-spacing: 0 !important;
}

/* ── Nav bar ──────────────────────────────────────────────── */
.preview-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: 100%;
  min-height: var(--preview-banner-h);
  padding: 5px 16px;
  position: sticky;
  top: 0;
  z-index: 220;
  background: var(--brand-ink);
  border-bottom: 1px solid var(--brand);
  color: #fff;
  font-size: 12.5px;
  font-weight: 750;
  line-height: 1.35;
  text-align: center;
  letter-spacing: 0;
}
.preview-banner a {
  color: #fff;
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.preview-banner a:hover { opacity: .82; }

.nav-bar {
  display: flex !important;
  align-items: center;
  gap: 4px;
  width: 100%;
  position: sticky;
  top: var(--preview-banner-h);
  z-index: 200;
  background: var(--surface) !important;
  border-bottom: 1px solid var(--line) !important;
  padding: 0 24px !important;
  height: 52px;
  backdrop-filter: saturate(1.2);
}
.nav-brand,
.nav-bar > span:first-child {
  font-family: var(--ff-sans) !important;
  font-weight: 700 !important;
  color: var(--brand) !important;
  font-size: 17px !important;
  letter-spacing: 0.02em !important;
  margin-right: 18px !important;
  white-space: nowrap;
  text-decoration: none !important;
}
.nav-tab {
  color: var(--ink-3) !important;
  font-weight: 500 !important;
  font-size: 13px !important;
  border-bottom: 2px solid transparent !important;
  padding: 14px 16px !important;
  transition: color .15s, border-color .15s;
  text-decoration: none !important;
  white-space: nowrap;
  cursor: pointer;
}
.nav-tab:hover { color: var(--ink) !important; }
.nav-tab.active {
  color: var(--brand) !important;
  border-bottom-color: var(--brand) !important;
}

/* Lang buttons */
.lang-btn {
  background: transparent !important;
  border: 1px solid var(--line) !important;
  color: var(--ink-3) !important;
  border-radius: var(--r-sm) !important;
  padding: 4px 10px !important;
  font-size: 11.5px !important;
  font-weight: 600 !important;
  font-family: var(--ff-sans) !important;
  letter-spacing: 0.02em;
  transition: all .15s;
  cursor: pointer;
  user-select: none;
}
.lang-btn:hover { color: var(--ink) !important; border-color: var(--ink-4) !important; }
.lang-btn.active {
  background: var(--brand) !important;
  border-color: var(--brand) !important;
  color: #fff !important;
  box-shadow: var(--shadow-xs);
}
.lang-toggle,
.nav-lang-toggle {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 4px !important;
  height: 28px !important;
  padding: 3px !important;
  border: 1px solid var(--line) !important;
  border-radius: var(--r) !important;
  background: var(--surface-2) !important;
  line-height: 1 !important;
}
.lang-icon {
  width: 14px !important;
  height: 14px !important;
  display: block !important;
  stroke: currentColor !important;
  fill: none !important;
  flex: 0 0 auto !important;
}
.lang-current {
  color: currentColor !important;
  font-size: 11px !important;
  font-weight: 750 !important;
  letter-spacing: 0 !important;
  line-height: 1 !important;
}
.nav-mobile-lang {
  display: flex !important;
  align-self: flex-end !important;
  gap: 4px !important;
  width: auto !important;
  margin: 8px 16px 12px auto !important;
  padding: 3px !important;
  border: 1px solid var(--line) !important;
  border-radius: var(--r) !important;
  background: var(--surface-2) !important;
}
.mobile-lang-btn {
  flex: 0 0 auto !important;
  min-width: 42px !important;
  min-height: 24px !important;
  padding: 3px 8px !important;
  border: 0 !important;
  border-radius: var(--r-sm) !important;
  background: var(--surface) !important;
  color: var(--ink-3) !important;
  font-family: var(--ff-sans) !important;
  font-size: 10.5px !important;
  font-weight: 650 !important;
  cursor: pointer !important;
  line-height: 1 !important;
}
.mobile-lang-btn.active {
  background: var(--brand) !important;
  border-color: var(--brand) !important;
  color: #fff !important;
}
.nav-ext-btn {
  background: transparent !important;
  border: 1px solid var(--line) !important;
  color: var(--ink-3) !important;
  border-radius: var(--r-sm) !important;
  padding: 4px 10px !important;
  min-height: 28px !important;
  font-size: 11.5px !important;
  font-weight: 600 !important;
  font-family: var(--ff-sans) !important;
  letter-spacing: 0.02em;
  text-decoration: none !important;
  white-space: nowrap;
  transition: all .15s;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
}
.nav-ext-btn:hover { color: var(--ink) !important; border-color: var(--ink-4) !important; }
.nav-ext-btn.accent {
  background: var(--brand) !important;
  border-color: var(--brand) !important;
  color: #fff !important;
  box-shadow: var(--shadow-xs);
}
.nav-ext-btn.accent:hover { opacity: 0.88; }
.nav-account-btn {
  min-width: 52px !important;
}
.nav-account-btn.is-signed-in {
  background: var(--brand) !important;
  border-color: var(--brand) !important;
  color: #fff !important;
  box-shadow: var(--shadow-xs);
}

/* ── Mobile nav (hamburger menu) — shared across all pages ── */
.nav-spacer { flex: 1; }
.nav-hamburger { display: none; background: none; border: none; color: var(--ink-3); font-size: 22px; cursor: pointer; padding: 6px 12px; margin-left: auto; line-height: 1; }
.nav-mobile-menu { display: none; position: fixed; top: calc(var(--preview-banner-h) + 52px); left: 0; right: 0; background: var(--surface-solid); border-top: 1px solid var(--line); flex-direction: column; z-index: 999; box-shadow: 0 8px 24px rgba(20,30,50,.12); }
.nav-mobile-menu a { padding: 14px 24px; font-size: 14px; font-weight: 600; color: var(--ink-3); text-decoration: none; border-bottom: 1px solid var(--line); display: block; }
.nav-mobile-menu a:hover { color: var(--ink); background: var(--surface-3); }
.nav-mobile-menu a.active { color: var(--brand); }
.nav-mobile-open { display: flex !important; }
@media (max-width: 768px) { .nav-tab, .nav-spacer, .nav-ext-btn, .lang-btn, .nav-lang-toggle { display: none !important; } .nav-hamburger { display: block; } }
@media (max-width: 640px) {
  :root { --preview-banner-h: 44px; }
  .preview-banner { gap: 4px 8px; flex-wrap: wrap; align-content: center; padding: 4px 12px; font-size: 11.5px; }
  .preview-banner > span, .preview-banner > a { flex: 0 0 100%; }
  .nav-mobile-menu { top: calc(var(--preview-banner-h) + 44px); }
}

/* ── Panels / Cards ───────────────────────────────────────── */
.panel,
.axis-card,
.global-panel,
.save-panel,
.unified-panel,
.rt-panel,
.section,
.fw-card {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  border-radius: var(--r-lg) !important;
  box-shadow: var(--shadow-xs) !important;
}
.panel { padding: 22px 26px !important; }
.section { padding: 22px 26px !important; }

/* Layout Generator canvas hierarchy */
.canvas-head {
  margin-bottom: 16px !important;
}
.canvas-title-block .matrix-sub-title {
  color: var(--ink) !important;
  font-size: 18px !important;
  font-weight: 800 !important;
  letter-spacing: 0 !important;
}
.canvas-title-block .matrix-sub-desc {
  color: var(--ink-4) !important;
}
.canvas-start-toolbar {
  background: rgba(255,255,255,0.46) !important;
  border: 1px solid var(--line-2) !important;
  border-radius: var(--r-md) !important;
  box-shadow: none !important;
}
.canvas-tool-heading {
  color: var(--ink-2) !important;
}
.canvas-optional-note {
  color: var(--ink-4) !important;
  font-weight: 650 !important;
}
.canvas-stage {
  background: linear-gradient(180deg, rgba(255,255,255,0.68), rgba(255,255,255,0.42)) !important;
  border: 1px solid var(--line-2) !important;
  border-radius: var(--r-md) !important;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.62) !important;
}
.canvas-actions {
  border-top: 0 !important;
  padding-top: 0 !important;
}
.canvas-actions .key-test-bar {
  border-top: 0 !important;
  padding-top: 0 !important;
  margin-top: 0 !important;
}

.panel-title,
.global-panel h2,
.unified-panel h2,
.rt-panel h2,
.section-title,
.adv-section-title,
.adv-header-title {
  color: var(--ink-2) !important;
  font-family: var(--ff-sans) !important;
  font-weight: 600 !important;
  letter-spacing: 0.02em !important;
  text-transform: none !important;
}
.section-title { color: var(--brand) !important; font-size: 14px !important; }
.section.adc .section-title { color: var(--brand) !important; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn,
.km-btn,
button {
  font-family: var(--ff-sans);
}

.btn {
  border-radius: var(--r) !important;
  padding: 10px 20px !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  border: 1px solid transparent !important;
  transition: background .15s, border-color .15s, color .15s, box-shadow .15s, transform .1s !important;
  box-shadow: var(--shadow-xs);
}
.btn:hover { transform: none !important; }
.btn-primary {
  background: var(--brand) !important;
  color: #fff !important;
  border-color: var(--brand) !important;
  box-shadow: var(--shadow-xs) !important;
}
.btn-primary:hover {
  background: var(--brand-ink) !important;
  border-color: var(--brand-ink) !important;
  box-shadow: var(--shadow-sm) !important;
}
.btn-secondary {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  color: var(--ink-2) !important;
  box-shadow: var(--shadow-xs) !important;
}
.btn-secondary:hover {
  background: var(--surface-3) !important;
  color: var(--ink) !important;
  border-color: var(--ink-5) !important;
}
.btn-danger {
  background: var(--surface) !important;
  border: 1px solid var(--danger) !important;
  color: var(--danger) !important;
}
.btn-danger:hover { background: var(--danger) !important; color: #fff !important; }
.btn-write {
  background: var(--brand) !important;
  color: #fff !important;
  border-color: var(--brand) !important;
  box-shadow: var(--shadow-xs) !important;
}
.btn-write:hover { background: var(--brand-ink) !important; border-color: var(--brand-ink) !important; }
.btn-write:disabled { opacity: .5; }

/* Mode bar */
.mode-bar {
  align-self: flex-start !important;
  justify-content: flex-end !important;
  gap: 8px !important;
  margin-bottom: 0 !important;
  margin-left: auto !important;
  width: auto !important;
}
.mode-btn {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  color: var(--ink-2) !important;
  border-radius: var(--r) !important;
  padding: 7px 13px !important;
  font-weight: 650 !important;
  font-size: 12px !important;
  font-family: var(--ff-sans) !important;
  box-shadow: var(--shadow-xs);
  transition: all .15s;
}
.mode-btn:hover {
  border-color: var(--ink-5) !important;
  background: var(--surface-3) !important;
  color: var(--ink) !important;
}
.mode-btn.mode-active-read {
  background: var(--brand) !important;
  color: #fff !important;
  border-color: var(--brand) !important;
  box-shadow: var(--shadow-sm) !important;
}
.mode-btn.mode-active-offline {
  background: var(--success) !important;
  color: #fff !important;
  border-color: var(--success) !important;
}

.conn-pill {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  color: var(--ink-4) !important;
  font-size: 11px !important;
  font-weight: 650 !important;
  padding: 6px 10px !important;
  border-radius: var(--r) !important;
  box-shadow: none !important;
}
.conn-dot { background: var(--ink-5) !important; }
.conn-dot.ok { background: var(--success) !important; }
.conn-dot.err { background: var(--danger) !important; }

/* ── Size buttons / Func cells / Matrix cells ─────────────── */
.size-btn {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  color: var(--ink-2) !important;
  border-radius: var(--r) !important;
  font-family: var(--ff-sans) !important;
}
.size-btn:hover {
  background: var(--surface-3) !important;
  color: var(--ink) !important;
  border-color: var(--ink-5) !important;
}
.size-btn.active {
  background: var(--brand) !important;
  border-color: var(--brand) !important;
  color: #fff !important;
  box-shadow: var(--shadow-xs) !important;
}

.size-label, .func-row-label, .size-slider-label {
  color: var(--ink-3) !important;
  font-weight: 500 !important;
  font-size: 12.5px !important;
}

.func-cell {
  background: var(--surface-3) !important;
  border: 2px solid var(--line) !important;
  color: var(--ink-3) !important;
  border-radius: var(--r) !important;
}
.func-cell:hover { transform: none !important; }
/* Available state (Plan A): soft tint background, colored text + 1px border.
   Hover deepens into solid fill so the affordance still reads. */
.func-cell.available {
  background: var(--t-mx-soft) !important;
  border-color: var(--t-mx-line) !important;
  color: var(--t-mx) !important;
  box-shadow: none !important;
  font-weight: 600 !important;
}
.func-cell.available:hover {
  background: var(--t-mx) !important;
  border-color: var(--t-mx) !important;
  color: #fff !important;
  box-shadow: var(--shadow-xs) !important;
}
.func-cell.available.adc-type {
  background: var(--t-adc-soft) !important;
  border-color: var(--t-adc-line) !important;
  color: var(--t-adc) !important;
}
.func-cell.available.adc-type:hover {
  background: var(--t-adc) !important; border-color: var(--t-adc) !important; color: #fff !important;
}
.func-cell.available.vib-type {
  background: var(--t-vib-soft) !important;
  border-color: var(--t-vib-line) !important;
  color: var(--t-vib) !important;
}
.func-cell.available.vib-type:hover {
  background: var(--t-vib) !important; border-color: var(--t-vib) !important; color: #fff !important;
}
.func-cell.available.voice-type {
  background: var(--t-voice-soft) !important;
  border-color: var(--t-voice-line) !important;
  color: var(--t-voice) !important;
}
.func-cell.available.voice-type:hover {
  background: var(--t-voice) !important; border-color: var(--t-voice) !important; color: #fff !important;
}
.func-cell.available.enc-type {
  background: var(--t-enc-soft) !important;
  border-color: var(--t-enc-line) !important;
  color: var(--t-enc) !important;
}
.func-cell.available.enc-type:hover {
  background: var(--t-enc) !important; border-color: var(--t-enc) !important; color: #fff !important;
}
.func-cell.selected {
  background: var(--pending) !important;
  border-color: var(--pending) !important;
  color: #fff !important;
  animation: pulse-soft 1.4s ease-in-out infinite !important;
}
.func-cell.used {
  background: var(--surface-3) !important;
  border-color: var(--line) !important;
  color: var(--ink-5) !important;
}
@keyframes pulse-soft {
  0%, 100% { box-shadow: 0 0 0 0 rgba(194, 114, 78, 0.35); }
  50%      { box-shadow: 0 0 0 6px rgba(194, 114, 78, 0); }
}

.matrix-cell {
  border-radius: var(--r) !important;
  border: 2px solid var(--line) !important;
}
.matrix-cell.empty {
  background: var(--surface-3) !important;
  border-color: var(--line) !important;
  color: var(--ink-4) !important;
}
.matrix-cell.empty:hover { background: var(--surface-2) !important; border-color: var(--ink-5) !important; }

/* Assigned matrix cells — soft tint to match func-cell available state */
.matrix-cell.assigned,
.matrix-cell.assigned.type-mx {
  background: var(--t-mx-soft) !important;
  border-color: var(--t-mx-line) !important;
  color: var(--t-mx) !important;
  box-shadow: none !important;
}
.matrix-cell.assigned.type-adc {
  background: var(--t-adc-soft) !important; border-color: var(--t-adc-line) !important; color: var(--t-adc) !important;
}
.matrix-cell.assigned.type-vib {
  background: var(--t-vib-soft) !important; border-color: var(--t-vib-line) !important; color: var(--t-vib) !important;
}
.matrix-cell.assigned.type-voice {
  background: var(--t-voice-soft) !important; border-color: var(--t-voice-line) !important; color: var(--t-voice) !important;
}
.matrix-cell.assigned.type-enc {
  background: var(--t-enc-soft) !important; border-color: var(--t-enc-line) !important; color: var(--t-enc) !important;
}

/* Hover: deepen border (no solid-fill flip to keep the matrix readable while editing) */
.matrix-cell.assigned:hover            { border-color: var(--t-mx) !important; box-shadow: var(--shadow-xs) !important; }
.matrix-cell.assigned.type-adc:hover   { border-color: var(--t-adc) !important; box-shadow: var(--shadow-xs) !important; }
.matrix-cell.assigned.type-vib:hover   { border-color: var(--t-vib) !important; box-shadow: var(--shadow-xs) !important; }
.matrix-cell.assigned.type-voice:hover { border-color: var(--t-voice) !important; box-shadow: var(--shadow-xs) !important; }
.matrix-cell.assigned.type-enc:hover   { border-color: var(--t-enc) !important; box-shadow: var(--shadow-xs) !important; }

/* Text/label colors inside assigned cells — inherit the module color from parent */
.matrix-cell.assigned .label,
.matrix-cell.assigned .key-label  { color: inherit !important; opacity: 1 !important; }
.matrix-cell.assigned .type-tag   { color: inherit !important; opacity: 0.55 !important; }
.matrix-cell.assigned .unmap-hint { color: inherit !important; opacity: 0.42 !important; font-style: italic; }

/* Encoder sub-buttons — soft contrast on the soft-tint background */
.matrix-cell.assigned.type-enc .enc-sub {
  background: rgba(168, 107, 79, 0.10) !important;
  color: var(--t-enc) !important;
}
.matrix-cell.assigned.type-enc .enc-sub:hover {
  background: rgba(168, 107, 79, 0.22) !important;
}
.matrix-cell.assigned.type-enc .enc-key-label { color: var(--t-enc) !important; opacity: 0.85 !important; }
.matrix-cell.pressed,
.matrix-cell.assigned.pressed,
.matrix-cell.assigned.type-mx.pressed {
  background: var(--t-mx-line) !important;
  border-color: var(--t-mx) !important;
  color: var(--t-mx) !important;
  outline: none !important;
  box-shadow: 0 0 0 4px rgba(79, 119, 174, 0.18) !important;
  transform: scale(0.94);
}
.matrix-cell.assigned.type-adc.pressed {
  background: var(--t-adc-line) !important; border-color: var(--t-adc) !important; color: var(--t-adc) !important;
  box-shadow: 0 0 0 4px rgba(107, 91, 168, 0.18) !important;
}
.matrix-cell.assigned.type-vib.pressed {
  background: var(--t-vib-line) !important; border-color: var(--t-vib) !important; color: var(--t-vib) !important;
  box-shadow: 0 0 0 4px rgba(92, 140, 110, 0.18) !important;
}
.matrix-cell.assigned.type-voice.pressed {
  background: var(--t-voice-line) !important; border-color: var(--t-voice) !important; color: var(--t-voice) !important;
  box-shadow: 0 0 0 4px rgba(168, 135, 54, 0.18) !important;
}
.matrix-cell.assigned.type-enc.pressed {
  background: var(--t-enc-line) !important; border-color: var(--t-enc) !important; color: var(--t-enc) !important;
  box-shadow: 0 0 0 4px rgba(168, 107, 79, 0.18) !important;
}

/* Matrix labels */
.col-label, .row-label { color: var(--ink-4) !important; font-weight: 600; }
.shell-overlay { border: 1.5px dashed rgba(79, 119, 174, 0.55) !important; }
.shell-overlay-ext { border: 1.5px dashed rgba(107, 91, 168, 0.45) !important; }

/* Preset entry buttons stay neutral so the canvas remains the visual center. */
.preset-grid .preset-btn {
  background: var(--surface-3) !important;
  border: 2px solid var(--line) !important;
  border-radius: var(--r) !important;
  color: var(--ink-3) !important;
  box-shadow: none !important;
}
.preset-grid .preset-btn:hover {
  background: var(--surface-2) !important;
  border-color: var(--ink-5) !important;
  color: var(--ink-2) !important;
  box-shadow: var(--shadow-xs) !important;
}
.preset-grid .preset-icon,
.preset-grid .preset-label {
  color: var(--ink-3) !important;
}
.preset-grid .preset-label {
  font-size: 9.5px !important;
  color: var(--ink-2) !important;
}
.preset-grid .preset-btn {
  position: relative !important;
  overflow: visible !important;
}
.preset-grid .preset-btn[data-tooltip]::after {
  border-color: var(--line) !important;
  background: rgba(255,255,255,0.96) !important;
  color: var(--ink-2) !important;
  box-shadow: var(--shadow) !important;
  font-family: var(--ff-sans) !important;
}

/* Module picker cards share matrix-cell radius and border weight. */
.mp-module-card {
  border-width: 2px !important;
  border-radius: var(--r) !important;
  box-shadow: none !important;
}
.mp-module-card:hover {
  box-shadow: var(--shadow-xs) !important;
}

/* Legend */
.legend-item { color: var(--ink-3) !important; font-size: 12px !important; }
.legend-swatch { border-radius: var(--r-xs) !important; }
.legend-swatch.empty { background: var(--surface-3) !important; border: 1px solid var(--line) !important; }
.legend-swatch.adc   { background: var(--t-adc) !important; }
.legend-swatch.mx    { background: var(--t-mx) !important; }
.legend-swatch.vib   { background: var(--t-vib) !important; }
.legend-swatch.voice { background: var(--t-voice) !important; }
.legend-swatch.enc   { background: var(--t-enc) !important; }
.legend-swatch.waiting { background: var(--pending) !important; }

/* Test bar */
.btn-test-toggle {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  color: var(--ink-2) !important;
  border-radius: var(--r) !important;
  font-family: var(--ff-sans) !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  padding: 10px 20px !important;   /* match .btn (Download) size */
}
.btn-test-toggle:hover { background: var(--surface-3) !important; border-color: var(--ink-5) !important; color: var(--ink) !important; }
.btn-test-toggle.active {
  background: var(--brand-soft) !important;
  border-color: var(--brand) !important;
  color: var(--brand) !important;
}
/* Emphasized primary action (Preview 3D) — filled brand color */
.btn-test-toggle.primary {
  background: var(--brand) !important;
  border-color: var(--brand) !important;
  color: #fff !important;
  box-shadow: 0 4px 14px rgba(79,119,174,0.30) !important;
}
.btn-test-toggle.primary:hover {
  background: var(--brand-ink) !important;
  border-color: var(--brand-ink) !important;
  color: #fff !important;
}
.key-test-output {
  background: var(--surface-2) !important;
  border: 1px solid var(--line) !important;
  border-radius: var(--r) !important;
}
.test-key-chip {
  background: var(--brand-soft) !important;
  border: 1px solid var(--brand) !important;
  color: var(--brand-ink) !important;
  font-family: var(--ff-mono) !important;
}
.test-hint-text { color: var(--ink-4) !important; }
#palette-subsection {
  margin-bottom: 28px !important;
}
.canvas-actions,
.canvas-actions .key-test-bar {
  border-top: 0 !important;
}
.canvas-actions .key-test-bar {
  padding-top: 0 !important;
  margin-top: 0 !important;
}

/* Fit chips */
.fit-chip {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  color: var(--ink-3) !important;
  border-radius: var(--r-sm) !important;
  font-family: var(--ff-sans) !important;
}
.fit-chip:hover { color: var(--ink) !important; border-color: var(--ink-5) !important; }
.fit-chip.selected {
  background: var(--brand-soft) !important;
  border-color: var(--brand) !important;
  color: var(--brand-ink) !important;
}

/* Toggle */
.toggle-btn { font-family: var(--ff-sans) !important; border-radius: var(--r-sm) !important; }
.toggle-btn.on  { background: var(--success-soft) !important; border-color: var(--success) !important; color: var(--success) !important; }
.toggle-btn.off { background: var(--surface-3) !important; border-color: var(--line) !important; color: var(--ink-3) !important; }

/* ── Advanced collapsible toggle ── */
.adv-wrap { margin: 16px 0 18px !important; }
.adv-toggle {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  width: 100% !important;
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  border-radius: var(--r-sm) !important;
  padding: 12px 16px !important;
  font-family: var(--ff-sans) !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  color: var(--ink-2) !important;
  cursor: pointer !important;
  letter-spacing: 0.02em !important;
  text-transform: uppercase !important;
}
.adv-toggle:hover { background: var(--surface-3) !important; color: var(--ink) !important; }
.adv-toggle.open { border-bottom-left-radius: 0 !important; border-bottom-right-radius: 0 !important; border-bottom-color: transparent !important; }
.adv-toggle-chev { color: var(--ink-3) !important; font-size: 14px !important; }
.adv-body {
  border: 1px solid var(--line) !important;
  border-top: none !important;
  border-radius: 0 0 var(--r-sm) var(--r-sm) !important;
  padding: 6px 14px 4px !important;
  background: var(--surface-2) !important;
}
.adv-body .rt-panel,
.adv-body .global-panel {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  margin: 6px 0 !important;
}
.adv-body .rt-panel + .global-panel { border-top: 1px solid var(--line-2) !important; padding-top: 12px !important; }

/* Adv section */
.adv-section { border-top: 1px solid var(--line-2) !important; }
.adv-note {
  background: var(--surface-2) !important;
  border-left: 2px solid var(--brand-soft-2) !important;
  color: var(--ink-3) !important;
  border-radius: var(--r-sm) !important;
}
.adv-chevron { color: var(--ink-4) !important; }

/* Configurator advanced settings: normalize the accumulated button styles. */
#panel-advanced #adv-content {
  margin-top: 18px !important;
}
#panel-advanced .adv-section {
  margin-top: 16px !important;
  padding-top: 16px !important;
}
#panel-advanced .adv-section:first-child {
  margin-top: 0 !important;
  padding-top: 0 !important;
  border-top: 0 !important;
}
#panel-advanced .adv-section-title {
  margin-bottom: 10px !important;
  color: var(--ink-2) !important;
  font-size: 12px !important;
  font-weight: 750 !important;
  letter-spacing: 0 !important;
}
#panel-advanced .btn,
#panel-advanced .preset-btn {
  min-height: 36px !important;
  padding: 8px 14px !important;
  border-radius: var(--r) !important;
  border: 1px solid var(--line) !important;
  background: var(--surface) !important;
  color: var(--ink-2) !important;
  box-shadow: none !important;
  font-family: var(--ff-sans) !important;
  font-size: 12px !important;
  font-weight: 650 !important;
  line-height: 1.15 !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  white-space: nowrap !important;
}
#panel-advanced .btn:hover,
#panel-advanced .preset-btn:hover {
  background: var(--surface-3) !important;
  border-color: var(--ink-5) !important;
  color: var(--ink) !important;
  transform: none !important;
  box-shadow: var(--shadow-xs) !important;
}
#panel-advanced .fit-chip {
  min-height: 32px !important;
  padding: 7px 12px !important;
  border-radius: var(--r) !important;
  border-width: 1px !important;
  font-size: 12px !important;
  font-weight: 650 !important;
  line-height: 1.1 !important;
  box-shadow: none !important;
}
#panel-advanced .fit-chip.selected {
  border-width: 1px !important;
  box-shadow: inset 0 0 0 1px var(--brand-soft-2) !important;
}
#panel-advanced #indl-content .btn {
  width: 100% !important;
  justify-content: flex-start !important;
}
#panel-advanced #fw-version-status {
  color: var(--ink-4) !important;
  font-size: 12px !important;
  font-weight: 600 !important;
}
#panel-advanced #bottom-text {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  color: var(--ink) !important;
  border-radius: var(--r) !important;
  box-shadow: none !important;
}

/* Inputs */
input[type="text"], input[type="password"], input[type="number"], textarea, .km-textarea, .token-input, .km-capture-display, .km-combo-result {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  color: var(--ink) !important;
  border-radius: var(--r-sm) !important;
  font-family: var(--ff-sans);
  padding: 9px 12px !important;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.token-input, .km-textarea, .km-capture-display, .km-combo-result { font-family: var(--ff-mono) !important; font-size: 13px !important; }
input:focus, textarea:focus, .token-input:focus, .km-textarea:focus {
  border-color: var(--brand) !important;
  box-shadow: 0 0 0 3px var(--brand-soft) !important;
}
.token-input.error { border-color: var(--danger) !important; }
.token-error-msg { color: var(--danger) !important; }

/* Range sliders */
input[type=range] { accent-color: var(--brand) !important; }

/* Modals */
.token-overlay, .km-overlay {
  background: rgba(20, 30, 50, 0.40) !important;
  backdrop-filter: blur(6px);
}
.token-box, .km-box {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  border-radius: var(--r-xl) !important;
  box-shadow: var(--shadow-lg) !important;
}
.token-title, .km-title {
  font-family: var(--ff-sans) !important;
  font-weight: 600 !important;
  color: var(--ink) !important;
  font-size: 16px !important;
  letter-spacing: 0;
}
.token-subtitle { color: var(--ink-3) !important; }

.km-tab {
  background: transparent !important;
  border: 1px solid var(--line) !important;
  color: var(--ink-3) !important;
  border-radius: var(--r-sm) !important;
  font-family: var(--ff-sans) !important;
}
.km-tab:hover { background: var(--surface-3) !important; color: var(--ink) !important; }
.km-tab.active { background: var(--brand) !important; border-color: var(--brand) !important; color: #fff !important; }

.km-hint { color: var(--ink-3) !important; }
.km-key {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  color: var(--ink-2) !important;
  border-radius: var(--r-xs) !important;
  font-family: var(--ff-mono) !important;
}
.km-key:hover { background: var(--surface-3) !important; color: var(--ink) !important; border-color: var(--ink-5) !important; }
.km-key.km-active { background: var(--brand) !important; border-color: var(--brand) !important; color: #fff !important; }
.km-key-sym {
  background: var(--brand-soft) !important;
  border-color: var(--brand) !important;
  color: var(--brand-ink) !important;
}
.km-key-sym:hover { background: var(--brand) !important; border-color: var(--brand) !important; color: #fff !important; }
.km-vkb-sep { color: var(--ink-4) !important; border-top: 1px solid var(--line-2) !important; }

.km-mod {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  color: var(--ink-2) !important;
  border-radius: var(--r-sm) !important;
  font-family: var(--ff-sans) !important;
}
.km-mod:hover { background: var(--surface-3) !important; color: var(--ink) !important; }
.km-mod.active {
  background: var(--brand) !important;
  border-color: var(--brand) !important;
  color: #fff !important;
}

.km-media-btn {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  color: var(--ink-2) !important;
  border-radius: var(--r-sm) !important;
  font-family: var(--ff-sans) !important;
}
.km-media-btn:hover { background: var(--surface-3) !important; color: var(--ink) !important; border-color: var(--ink-5) !important; }
.km-media-btn.km-active {
  background: var(--t-enc) !important;
  border-color: var(--t-enc) !important;
  color: #fff !important;
}

.km-capture-display.listening {
  border-color: var(--pending) !important;
  color: var(--pending) !important;
  background: var(--pending-soft) !important;
}
.km-capture-btn {
  background: var(--pending) !important;
  color: #fff !important;
  border: none !important;
  border-radius: var(--r-sm) !important;
  font-family: var(--ff-sans) !important;
}
.km-capture-btn:hover { background: #B0653F !important; }

.km-btn-confirm  { background: var(--brand) !important; color: #fff !important; }
.km-btn-confirm:hover  { background: var(--brand-ink) !important; }
.km-btn-clear    { background: var(--surface) !important; color: var(--danger) !important; border: 1px solid var(--danger) !important; }
.km-btn-clear:hover    { background: var(--danger) !important; color: #fff !important; }
.km-btn-cancel   { background: var(--surface) !important; color: var(--ink-2) !important; border: 1px solid var(--line) !important; }
.km-btn-cancel:hover   { background: var(--surface-3) !important; color: var(--ink) !important; }
.km-btn-unassign { background: var(--surface) !important; color: var(--warn) !important; border: 1px solid var(--warn) !important; }
.km-btn-unassign:hover { background: var(--warn) !important; color: #fff !important; }

/* Status / footer */
.status-bar { color: var(--ink-3) !important; }
.status-bar .highlight { color: var(--pending) !important; font-weight: 600 !important; }

/* ============================================================
   ADC calibration page specifics — higher contrast text
   ============================================================ */
/* Bump default text colors on this page */
body:has(#axis-grid) { color: var(--ink) !important; }
body:has(#axis-grid) .subtitle { color: var(--ink-2) !important; }
button.btn-connect {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  color: var(--ink-2) !important;
  border-radius: var(--r) !important;
  padding: 9px 22px !important;
  font-weight: 600 !important;
  font-size: 13px !important;
  font-family: var(--ff-sans) !important;
  box-shadow: var(--shadow-xs);
}
button.btn-connect:hover:not(:disabled) {
  background: var(--surface-3) !important;
  border-color: var(--ink-5) !important;
  color: var(--ink) !important;
}
#status-dot { background: var(--ink-5) !important; }
#status-dot.connected { background: var(--success) !important; }
#status-dot.disconnected { background: var(--danger) !important; }
#status-text { color: var(--ink-3) !important; }

.axis-card { padding: 18px !important; }
.axis-title { color: var(--brand) !important; font-weight: 600 !important; font-family: var(--ff-sans) !important; }

.bar-wrap {
  background: var(--surface-3) !important;
  border-radius: var(--r-xs) !important;
  border: 1px solid var(--line-2) !important;
}
.bar-fill {
  background: linear-gradient(90deg, var(--brand), #7AA0CF) !important;
}
.bar-trigger-mark { background: var(--brand-ink) !important; }
.bar-label, .info-row { color: var(--ink-2) !important; font-weight: 500 !important; }
.info-val { color: var(--ink) !important; font-family: var(--ff-mono) !important; font-weight: 600 !important; }
.info-auto { color: var(--ink-3) !important; }

.trig-section { border-top: 1px solid var(--line-2) !important; }
.trig-label { color: var(--ink-2) !important; font-weight: 500 !important; }
.trig-label-pct { color: var(--brand-ink) !important; font-family: var(--ff-mono); font-weight: 600 !important; }
.trig-endpoints { color: var(--ink-2) !important; font-family: var(--ff-mono); }
.trig-adc-row label, .unified-trig-adc label { color: var(--ink-2) !important; font-weight: 500 !important; }
.trig-adc-row input[type=number],
.unified-trig-adc input[type=number] {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  color: var(--brand-ink) !important;
  font-family: var(--ff-mono) !important;
  border-radius: var(--r-xs) !important;
}
.trig-adc-row input[type=number]:focus,
.unified-trig-adc input[type=number]:focus {
  border-color: var(--brand) !important;
  box-shadow: 0 0 0 3px var(--brand-soft) !important;
  outline: none;
}
input[type=range]#sl-rt-sens { accent-color: var(--brand) !important; }
input[type=range]#sl-global-trig,
input[type=range][id^="sl-trig-"] { accent-color: var(--brand) !important; }

.btn-active {
  background: var(--surface) !important;
  border: 1px solid var(--success) !important;
  color: var(--success) !important;
  border-radius: var(--r-sm) !important;
  width: 100%;
  font-family: var(--ff-sans);
}
.btn-active:hover:not(:disabled) {
  background: var(--success-soft) !important;
}

.unified-section { border-bottom: 1px solid var(--line-2) !important; }
.unified-section h3 { color: var(--brand) !important; font-family: var(--ff-sans) !important; font-weight: 600 !important; }
.unified-desc, .steps, .rt-tagline, .rt-note { color: var(--ink-2) !important; line-height: 1.75 !important; font-weight: 400 !important; }
.steps span { color: var(--brand) !important; font-weight: 700; }
.steps b, .rt-note b, .unified-desc b, .rt-tagline b { color: var(--brand-ink) !important; font-weight: 600 !important; }

.btn-calib-start {
  background: var(--surface) !important;
  border: 1px solid var(--brand) !important;
  color: var(--brand) !important;
  border-radius: var(--r-sm) !important;
}
.btn-calib-start:hover:not(:disabled) { background: var(--brand-soft) !important; }
.btn-calib-done {
  background: var(--surface) !important;
  border: 1px solid var(--success) !important;
  color: var(--success) !important;
  border-radius: var(--r-sm) !important;
}
.btn-calib-done:hover:not(:disabled) { background: var(--success-soft) !important; }
.calib-status { color: var(--ink-2) !important; font-weight: 500 !important; }
.calib-status.recording { color: var(--brand-ink) !important; font-weight: 600 !important; }
.calib-max-cell {
  background: var(--surface-2) !important;
  border: 1px solid var(--line) !important;
  border-radius: var(--r-xs) !important;
}
.calib-max-cell .ax-name { color: var(--ink-2) !important; font-weight: 600 !important; }
.calib-max-cell .ax-val { color: var(--ink) !important; font-family: var(--ff-mono) !important; font-weight: 600 !important; }

.param-val { color: var(--brand) !important; font-family: var(--ff-mono) !important; font-weight: 600 !important; }
.param-row label { color: var(--ink-2) !important; font-weight: 500 !important; }

.btn-save {
  background: var(--brand) !important;
  border: 1px solid var(--brand) !important;
  color: #fff !important;
  border-radius: var(--r) !important;
  font-family: var(--ff-sans) !important;
  font-weight: 600 !important;
  padding: 11px 36px !important;
  box-shadow: var(--shadow-sm) !important;
}
.btn-save:hover:not(:disabled) {
  background: var(--brand-ink) !important;
  border-color: var(--brand-ink) !important;
  transform: none !important;
}

#log {
  background: var(--surface-2) !important;
  border: 1px solid var(--line) !important;
  border-radius: var(--r-sm) !important;
  color: var(--ink) !important;
  font-family: var(--ff-mono) !important;
}
#log .ok  { color: var(--success) !important; font-weight: 500; }
#log .err { color: var(--danger) !important; font-weight: 500; }
#log .inf { color: var(--ink-2) !important; }

/* Rapid trigger */
.btn-rt-toggle {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  color: var(--ink-3) !important;
  border-radius: var(--r-sm) !important;
  font-family: var(--ff-sans) !important;
}
.btn-rt-toggle.rt-on {
  background: var(--success-soft) !important;
  border-color: var(--success) !important;
  color: #2F5F42 !important;
  font-weight: 600 !important;
}
.rt-status-label { color: var(--ink-2) !important; font-weight: 500 !important; }
.rt-sens-row label { color: var(--ink-2) !important; font-weight: 500 !important; }
.rt-sens-val { color: var(--brand) !important; font-family: var(--ff-mono) !important; font-weight: 600 !important; }
#status-text { color: var(--ink-2) !important; font-weight: 500 !important; }

/* ============================================================
   Guide / Dev pages
   ============================================================ */
.section-title .icon { font-size: 16px; }
.step-list li {
  border-bottom: 1px solid var(--line-2) !important;
  color: var(--ink-2) !important;
  padding: 12px 0 !important;
}
.step-num {
  background: none !important;
  box-shadow: none !important;
  font-family: var(--ff-mono) !important;
  font-weight: 700;
  color: var(--brand) !important;   /* one brand-blue accent for all step numbers */
}
.section.adc .step-num { background: none !important; color: var(--brand) !important; }
.step-body strong { color: var(--ink) !important; font-weight: 600 !important; }
.step-body span { color: var(--ink-3) !important; font-size: 12.5px !important; }

.tip-box {
  background: var(--brand-tint) !important;
  border: 1px solid var(--brand-soft-2) !important;
  border-radius: var(--r) !important;
  color: var(--brand-ink) !important;
  font-size: 12.5px !important;
  line-height: 1.7;
}
.tip-box b { color: var(--brand-ink) !important; }
.section.adc .tip-box {
  background: var(--brand-soft) !important;
  border-color: var(--brand) !important;
  color: var(--brand-ink) !important;
}
.section.adc .tip-box b { color: var(--brand-ink) !important; }

/* Dev page hero */
.hero {
  background: linear-gradient(180deg, var(--brand-tint), var(--surface)) !important;
  border: 1px solid var(--brand-soft-2) !important;
  border-radius: var(--r-lg) !important;
  padding: 32px !important;
  position: relative;
}
.hero::before { display: none !important; }
.hero-icon { color: var(--brand) !important; }
.hero-title {
  color: var(--ink) !important;
  font-family: var(--ff-sans) !important;
  font-weight: 700 !important;
  font-size: 20px !important;
  letter-spacing: -0.005em !important;
}
.hero-body { color: var(--ink-2) !important; line-height: 1.75 !important; }
.hero-body b { color: var(--ink) !important; font-weight: 600 !important; }

.fw-card { padding: 16px !important; }
.fw-card.xtia    { border-color: var(--brand-soft-2) !important; }
.fw-card.xtia    .fw-card-name { color: var(--brand) !important; }
.fw-card.gp      { border-color: var(--brand-soft-2) !important; }
.fw-card.gp      .fw-card-name { color: var(--brand) !important; }
.fw-card.arduino { border-color: var(--brand-soft-2) !important; }
.fw-card.arduino .fw-card-name { color: var(--brand) !important; }
.fw-card.smalldeck { border-color: var(--brand-soft-2) !important; }
.fw-card.smalldeck .fw-card-name { color: var(--brand) !important; }
.fw-card-name { font-family: var(--ff-sans) !important; font-weight: 600 !important; }
.fw-card-desc { color: var(--ink-3) !important; font-size: 12.5px !important; line-height: 1.65 !important; }

/* Footer */
[id="footer-bug"] { color: var(--ink-4) !important; }

/* Modal boxes keep solid white over the dark overlay */
.token-box, .km-box { background: var(--surface-solid) !important; }
.nav-bar { background: rgba(255, 255, 255, 0.72) !important; }

/* ── Page footer ── */
.page-footer {
  margin-top: 36px !important;
  padding: 22px 0 28px !important;
  text-align: center !important;
  border-top: 1px solid var(--line-2) !important;
}
.page-footer-brand {
  font-size: 12px !important;
  color: var(--ink-3) !important;
  letter-spacing: 0.06em !important;
  font-weight: 600 !important;
}
.page-footer-note {
  margin-top: 6px !important;
  font-size: 11.5px !important;
  color: var(--ink-3) !important;
}

/* ── Focus ring (keyboard accessibility) ── */
:focus { outline: none; }
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
.size-btn:focus-visible,
.func-cell:focus-visible,
.matrix-cell:focus-visible,
.fit-chip:focus-visible,
.km-tab:focus-visible,
.km-key:focus-visible,
.km-mod:focus-visible,
.km-media-btn:focus-visible,
.lang-btn:focus-visible,
.nav-tab:focus-visible {
  outline: 2px solid var(--brand) !important;
  outline-offset: 2px !important;
  box-shadow: 0 0 0 4px var(--brand-soft) !important;
  z-index: 5;
}
input[type=range]:focus-visible {
  outline: none !important;
  box-shadow: 0 0 0 3px var(--brand-soft) !important;
  border-radius: 4px;
}

/* ── Advanced collapsible — animated open/close ── */
.adv-body {
  display: block !important;
  overflow: hidden !important;
  max-height: 0 !important;
  opacity: 0;
  transition: max-height 280ms ease, opacity 220ms ease, padding 220ms ease !important;
  padding: 0 14px !important;
  border: 1px solid var(--line) !important;
  border-top: none !important;
  border-radius: 0 0 var(--r-sm) var(--r-sm) !important;
  background: var(--surface-2) !important;
}
.adv-body.open {
  max-height: 1600px !important;
  opacity: 1;
  padding: 6px 14px 4px !important;
}
.adv-toggle-chev { transition: transform 220ms ease !important; }
.adv-toggle.open .adv-toggle-chev { transform: rotate(180deg); }

/* ── Encoder sub-buttons — larger, more legible labels ── */
.matrix-cell.assigned.type-enc .enc-sub { font-size: 9px !important; padding: 3px 2px !important; }
.matrix-cell.assigned.type-enc .enc-icon { font-size: 12px !important; font-weight: 700 !important; line-height: 1.1 !important; }
.matrix-cell.assigned.type-enc .enc-key-label { font-size: 8px !important; max-width: 22px !important; font-weight: 600 !important; }
[style*="#3a7bd5"] { color: var(--brand) !important; }
[style*="#7c3aed"] { color: var(--brand) !important; }

/* Override any remaining dark inline styles (e.g. configurator input #bottom-text) */
[style*="background:#222"], [style*="background: #222"] { background: var(--surface-3) !important; }
[style*="border:1px solid #333"], [style*="border: 1px solid #333"] { border-color: var(--line) !important; }

/* ── Mobile responsive (≤ 640px) ──────────────────────────────────────────── */
@media (max-width: 640px) {
  /* 1. Nav bar: horizontal scroll instead of overflow-clipping.
        theme.css !important rules override index.html media query, so fix here. */
  .nav-bar {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
    flex-wrap: nowrap !important;
    padding: 0 12px !important;
    height: 44px !important;
    scrollbar-width: none;       /* Firefox */
  }
  .nav-bar::-webkit-scrollbar { display: none; }  /* Chrome/Safari */
  .nav-brand,
  .nav-bar > span:first-child {
    font-size: 14px !important;
    margin-right: 8px !important;
    flex-shrink: 0;
  }
  .nav-tab {
    padding: 10px 8px !important;
    font-size: 11.5px !important;
    flex-shrink: 0;
  }

  /* 2. Matrix size buttons.
        Rows group: simple flex-wrap (only 4 buttons, fits in one line).
        Cols group: CSS Grid — label spans 2 rows, buttons form a fixed 5-column grid
        so 1-5 align above 6-10. Uses :has() (Chrome105+/Safari15.4+/iOS16+). */
  .size-group {
    flex-wrap: wrap !important;
    gap: 6px !important;
    align-items: center !important;
  }
  .size-group:has([data-type="col"]) {
    display: grid !important;
    grid-template-columns: 40px repeat(5, 34px) !important;
    grid-auto-rows: 34px !important;
    gap: 6px !important;
    align-items: center !important;
  }
  /* Label spans both rows so buttons fill columns 2-6, rows 1-2 */
  .size-group:has([data-type="col"]) .size-label {
    grid-row: span 2 !important;
    align-self: center !important;
  }
  .size-btn {
    width: 34px !important;
    height: 32px !important;
    font-size: 12px !important;
  }

  /* 3. Function key rows: force full-width so all cells fit in one row. */
  #adc-row, #mx-row, #other-row {
    flex-wrap: wrap !important;
    gap: 4px !important;
    width: 100% !important;
  }
  .func-cell {
    width: 34px !important;
    height: 30px !important;
    font-size: 11px !important;
  }
  /* Wide cells (Other Modules) must not be crushed to 30px */
  .func-cell.func-cell-wide {
    width: auto !important;
    flex-shrink: 0 !important;
    padding: 0 7px !important;
  }
}