/* DCX-404, face nova (Figma "DX 404 - FINAL", frame 20:3735 "DCX 404 - CINZA" e
 * "DCX 404 · Componentes e estados" 22:1521). Cada peca fica na posicao do Figma
 * (origem no canto do frame de 660 x 988). Estados das teclas: .down = Pressionado,
 * .lit (ou .hit nos pads) = Aceso.
 * Fontes embutidas (OFL, licencas em ../fonts): Roboto Condensed, Inter e Russo One. */

@font-face { font-family: "DX Roboto Condensed"; font-style: normal; font-weight: 700; font-display: block; src: url(../fonts/roboto-condensed-latin.woff2) format("woff2"); }
@font-face { font-family: "DX Roboto Condensed"; font-style: italic; font-weight: 700; font-display: block; src: url(../fonts/roboto-condensed-italic-latin.woff2) format("woff2"); }
@font-face { font-family: "DX Inter"; font-style: normal; font-weight: 100 900; font-display: block; src: url(../fonts/inter-latin.woff2) format("woff2"); }
@font-face { font-family: "DX Inter"; font-style: italic; font-weight: 100 900; font-display: block; src: url(../fonts/inter-italic-latin.woff2) format("woff2"); }
@font-face { font-family: "DX Russo One"; font-style: normal; font-weight: 400; font-display: block; src: url(../fonts/russo-one-latin.woff2) format("woff2"); }

.dx {
  /* cores do Figma (variable_defs) */
  --dx-aloj: #222321;            /* edicao-time-bpm/alojamento */
  --dx-borda: #5a5d61;           /* borda-do-elastomero */
  --dx-borda-on: #76232b;        /* borda-do-elastomero-3 */
  --dx-borda-line: #0d100e;      /* borda-do-elastomero-2 */
  --dx-sup-line: #b9bdc1;        /* superficie-do-elastomero */
  --dx-sup-1: #adb1b7; --dx-sup-2: #979ba2;
  --dx-on-line: #f38c91;         /* pad-7/superficie-do-elastomero */
  --dx-on-1: #ef7b80; --dx-on-2: #cc626e;
  --dx-ink: #30312f;             /* texto-marcacao */
  --dx-ink-on: #5f262b;          /* texto-marcacao-2 */
  --dx-ink-fx-on: #692b34;       /* funcao-mfx/texto-marcacao */
  --dx-label: #222321;
  --dx-navy: #292c4d;            /* group-10/subtract */
  --dx-panel: #929899;           /* painel/dcx-404-cinza */
  --dx-drop: 0 2px 3px 0 rgba(16, 23, 18, .2);         /* efeitos/alojamento-circular */
  --dx-inner: inset 0 2px 3px 0 rgba(23, 27, 23, .5);  /* efeitos/superficie-moldada */
  --dx-seg-off: #42251f; --dx-seg-on: #f53925;

  position: relative;
  width: 660px; height: 988px;
  flex: none;
  border-radius: 16px;
  overflow: hidden;
  background-image: linear-gradient(155.9181698057704deg, rgb(209, 214, 224) 9.0187%, rgb(174, 177, 184) 113.07%);
  color: var(--dx-ink);
  font-family: "DX Inter", system-ui, sans-serif;
  -webkit-user-select: none; user-select: none;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
}
.dx img { display: block; max-width: none; pointer-events: none; -webkit-user-drag: none; }
.dx button { margin: 0; padding: 0; border: 0; background: none; font: inherit; color: inherit; }
.dx [hidden] { display: none !important; }

/* pecas soltas: posicao do Figma */
.dx-p, .dx-lb, .dx-k, .dx-fk, .dx-knob, .dx-tap, .dx-mic, .dx-peak, .dx-visor, .dx-list, .dx-foot { position: absolute; left: var(--x); top: var(--y); }
.dx-pads { position: absolute; inset: 0; pointer-events: none; }
.dx-pads > * { pointer-events: auto; }

/* ---------------------------------------------------------------- rotulos impressos */
.dx-lb { transform: translate(-50%, -50%); white-space: nowrap; line-height: .98; text-align: center; color: var(--dx-label); letter-spacing: -.4px; pointer-events: none; }
.dx-l8 { font: 700 8px/.98 "DX Inter", sans-serif; }
.dx-l8i { font: italic 800 8px/.98 "DX Inter", sans-serif; }
.dx-l14 { font: 800 14px/.98 "DX Inter", sans-serif; }
.dx-l16 { font: 800 16px/.98 "DX Inter", sans-serif; }
.dx-l15 { font: 700 15px/.98 "DX Inter", sans-serif; color: var(--dx-panel); }
.dx-navy { color: var(--dx-navy); }

.dx-foot { width: 399px; height: 14px; display: flex; align-items: center; gap: 4px; pointer-events: none; }
.dx-foot i { flex: 1 0 0; min-width: 1px; height: 0; position: relative; }
.dx-foot i img { position: absolute; left: 0; top: -2px; width: 100%; height: 2px; }
.dx-foot span { flex: none; font: 700 14px/.98 "DX Inter", sans-serif; letter-spacing: -.4px; color: #292c2d; white-space: nowrap; }

.dx-list { margin: 0; padding: 0; list-style: none; width: 123.882px; height: 226px; font: 600 8px/normal "DX Inter", sans-serif; color: #000; white-space: nowrap; pointer-events: none; }
.dx-list li { position: absolute; }
/* Fase 3a: o numero do MFX no visor (escolhendo ou ligado) fica marcado na lista impressa */
.dx-list li.on { color: var(--dx-borda-on); font-weight: 800; }

.dx-rect5 { width: 58px; height: 17px; border-radius: 5px; background: var(--dx-navy); }
.dx-rect6 { width: 30px; height: 43px; background: var(--dx-aloj); }
.dx-grade { width: 38px; height: 60px; }
.dx-grade img { position: absolute; left: 0; top: 0; }
.dx-grade::after { content: ""; position: absolute; inset: 0; border: 4px solid #3d4260; border-radius: 4px; box-sizing: border-box; }

/* ---------------------------------------------------------------- teclas de elastomero (CSS) */
/* Alojamento / Borda do elastomero / Superficie do elastomero, como no Figma */
.dx-k { width: var(--w); height: var(--h); cursor: pointer; --r1: 6px; --r2: 4px; --r3: 3px; }
.dx-k.dx-pad { --r1: 5px; --r2: 3px; --r3: 2px; }
.dx-k > i { position: absolute; display: block; box-sizing: border-box; }
.dx-k-a { left: 0; top: 0; width: var(--w); height: var(--h); border-radius: var(--r1); background: var(--dx-aloj); box-shadow: var(--dx-drop); }
.dx-k-b { left: 2px; top: 2px; width: calc(var(--w) - 4px); height: calc(var(--h) - 5px); border-radius: var(--r2); background: var(--dx-borda); border: 1px solid var(--dx-borda-line); }
.dx-k-s { left: 4px; top: 3px; width: calc(var(--w) - 8px); height: calc(var(--h) - 7px); border-radius: var(--r3); border: .6px solid var(--dx-sup-line); background: linear-gradient(to bottom, var(--dx-sup-1), var(--dx-sup-2)); }
.dx-k-t {
  position: absolute; left: calc(var(--w) / 2); top: var(--ty); width: calc(var(--w) - 10px);
  transform: translate(-50%, -50%); text-align: center; white-space: nowrap;
  font-family: "DX Roboto Condensed", sans-serif; font-weight: 700; font-style: normal;
  line-height: .98; letter-spacing: -.2px; color: var(--dx-ink); pointer-events: none;
}
.dx-pad .dx-k-t { letter-spacing: -.6px; }
.dx-k-t.dx-num { font-family: "DX Russo One", sans-serif; font-weight: 400; }
/* SOURCE: cartucho impresso escuro com o texto claro */
.dx-src-cart { left: 10px; top: 10px; width: 66px; height: 54px; border-radius: 1px; background: #343735; }
.dx-src .dx-k-t { color: var(--dx-sup-1); }

/* Aceso */
.dx-k.lit .dx-k-b, .dx-k.hit .dx-k-b { background: var(--dx-borda-on); }
.dx-k.lit .dx-k-s, .dx-k.hit .dx-k-s { border-color: var(--dx-on-line); background: linear-gradient(to bottom, var(--dx-on-1), var(--dx-on-2)); }
.dx-k.lit .dx-k-t, .dx-k.hit .dx-k-t { color: var(--dx-ink-on); }
/* Pressionado: sem sombra externa, sombra interna na superficie */
.dx-k.down .dx-k-a { box-shadow: none; }
.dx-k.down .dx-k-s { box-shadow: var(--dx-inner); }
/* Resample gravando: pisca aceso */
.dx-k.blink .dx-k-b { animation: dx-blink-b .5s steps(1) infinite; }
.dx-k.blink .dx-k-s { animation: dx-blink-s .5s steps(1) infinite; }
@keyframes dx-blink-b { 50% { background: var(--dx-borda); } }
@keyframes dx-blink-s { 50% { border-color: var(--dx-sup-line); background: linear-gradient(to bottom, var(--dx-sup-1), var(--dx-sup-2)); } }
.dx-pad.drop .dx-k-s { outline: 2px dashed var(--dx-navy); outline-offset: -4px; }

/* ---------------------------------------------------------------- teclas de funcao (SVG do Figma, 4 variantes) */
.dx-fk { width: 90px; height: 54px; cursor: pointer; }
.dx-fk img { position: absolute; }
.dx-fk-a { left: -3px; top: -1px; }
.dx-fk-ad { left: 0; top: 0; display: none !important; }
.dx-fk-s { left: 3px; top: 3px; display: none !important; }
.dx-fk .s0 { display: block !important; }
.dx-fk.down .dx-fk-a { display: none !important; }
.dx-fk.down .dx-fk-ad { display: block !important; }
.dx-fk.down .s0, .dx-fk.lit .s0 { display: none !important; }
.dx-fk.down:not(.lit) .s1 { display: block !important; }
.dx-fk.lit:not(.down) .s2 { display: block !important; }
.dx-fk.lit.down .s3 { display: block !important; }
.dx-fk-t {
  position: absolute; top: 26px; transform: translate(-50%, -50%); text-align: center; white-space: nowrap;
  font: italic 700 12px/.95 "DX Roboto Condensed", sans-serif; letter-spacing: -.3px; color: var(--dx-ink); pointer-events: none;
}
.dx-fk.lit .dx-fk-t { color: var(--dx-ink-fx-on); }

/* ---------------------------------------------------------------- TAP TEMPO (SVG, 4 variantes) */
.dx-tap { width: 66px; height: 66px; cursor: pointer; }
.dx-tap img { position: absolute; }
.dx-tap-a { left: -3px; top: -1px; }
.dx-tap-ad { left: 0; top: 0; display: none !important; }
.dx-tap-s { left: 3px; top: 3px; display: none !important; }
.dx-tap .s0 { display: block !important; }
.dx-tap.down .dx-tap-a { display: none !important; }
.dx-tap.down .dx-tap-ad { display: block !important; }
.dx-tap.down .s0, .dx-tap.lit .s0 { display: none !important; }
.dx-tap.down:not(.lit) .s1 { display: block !important; }
.dx-tap.lit:not(.down) .s2 { display: block !important; }
.dx-tap.lit.down .s3 { display: block !important; }
.dx-tap-t { position: absolute; left: 33px; top: 32.5px; width: 50px; transform: translate(-50%, -50%); text-align: center; font: 700 13px/.95 "DX Roboto Condensed", sans-serif; color: var(--dx-ink); pointer-events: none; }
.dx-tap.lit .dx-tap-t { color: var(--dx-ink-on); }

/* ---------------------------------------------------------------- MIC (Solto / Pressionado) e LED PEAK */
.dx-mic { width: 30px; height: 30px; cursor: pointer; border-radius: 50%; }
.dx-mic img { position: absolute; left: -3px; top: -1px; }
.dx-mic .on, .dx-mic.down .off { display: none; }
.dx-mic.down .on { display: block; }
.dx-peak { width: 16px; height: 16px; }
.dx-peak img { position: absolute; }
.dx-peak .off { left: 0; top: 0; }
.dx-peak .on { left: -2px; top: -2px; display: none; }
.dx-peak.lit .on { display: block; }
.dx-peak.lit .off { display: none; }

/* ---------------------------------------------------------------- knob (gira a marca de posicao: -135 a +135 graus) */
.dx-knob { width: 88px; height: 88px; border-radius: 50%; cursor: ns-resize; --a: -135deg; }
.dx-knob img { position: absolute; }
.dx-knob-p { position: absolute; left: 44px; top: 44px; width: 0; height: 0; transform: rotate(var(--a)); }
.dx-knob-p i { position: absolute; left: -2px; top: -29px; width: 4px; height: 10px; border-radius: 1px; background: #eceee6; }
.dx-knob:focus-visible { outline: 2px solid var(--dx-navy); outline-offset: 2px; }

/* ---------------------------------------------------------------- visor BPM/VALUE */
.dx-visor { width: 212px; height: 212px; pointer-events: none; }
.dx-visor img { position: absolute; }
.dx-visor-u, .dx-visor-m { position: absolute; left: 106px; margin: 0; transform: translateX(-50%); text-align: center; line-height: normal; }
.dx-visor-u { top: 166px; width: 164px; font: 700 16px/normal "DX Roboto Condensed", sans-serif; letter-spacing: -.3px; color: #f1f2e8; }
.dx-visor-m { top: 27px; width: 152px; font: 700 27px/normal "DX Inter", sans-serif; letter-spacing: -1.5px; color: #f2f3e9; }
.dx-visor-al { position: absolute; left: 25px; top: 68px; width: 162px; height: 83px; box-sizing: border-box; background: #191a17; border: 2px solid #3f4038; }
.dx-visor-ac { position: absolute; left: 29px; top: 72px; width: 154px; height: 75px; background: linear-gradient(to bottom, #201c14, #281c17 60%, #3d211c); }
.dx-seg { position: absolute; left: 40px; top: 82px; width: 131px; height: 63px; display: flex; gap: 7px; }
.dx-seg svg { display: block; flex: none; overflow: visible; }
.dx-seg .dx-sg { fill: var(--dx-seg-off); }
.dx-seg .dx-sg.on { fill: var(--dx-seg-on); filter: drop-shadow(0 0 2.5px rgba(255, 36, 28, .533)); }

/* ---------------------------------------------------------------- MIDI Learn e pagina */
body.learning .dx [data-learn] { outline: 1px dashed rgba(75, 138, 208, .8); outline-offset: 2px; }
.dx-page { max-width: 760px; }
.dx-scroll { display: flex; justify-content: center; }
.dx-fit { flex: none; }

/* ---------------------------------------------------------------- Abrir/Salvar disquete (secao Disquete do painel Config) */
.learnbar { flex-wrap: wrap; }
.learnbar .d4-open-btn { cursor: pointer; }
/* a barra de cima so tem o titulo: a mesma altura de antes no computador (a face nao sai do lugar) */
.dx-page .solo-top { min-height: 30px; }
/* o titulo repetia o logo da barra de baixo: some da tela, fica para leitor de tela */
.dx-page .solo-title { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.d4-open-msg { font-size: 12px; line-height: 1.35; color: var(--page-ink); max-width: 46ch; }
.d4-open-msg.err { color: #e0675a; }
@media (prefers-color-scheme: light) { .d4-open-msg.err { color: #b3261e; } }

/* aviso grande de abrir disquete/projeto (e a pergunta antes de trocar os pads) */
.d4-toast { position: fixed; z-index: 70; left: 50%; top: 16px; transform: translateX(-50%); max-width: min(92vw, 560px);
  padding: 12px 16px; border-radius: 8px; background: #f1f2e8; color: #222321; font: 700 14px/1.35 "Roboto Condensed", system-ui, sans-serif;
  box-shadow: 0 8px 24px rgba(0,0,0,.45); text-align: center; }
.d4-toast.err { background: #b3261e; color: #fff; }
.d4-toast.ask p { margin: 0 0 10px; }
.d4-toast.ask button { font: inherit; padding: 6px 16px; margin: 0 6px; border-radius: 4px; border: 1px solid #222321; background: #adb1b5; cursor: pointer; }
.d4-toast[hidden] { display: none; }
.power-note { margin: -6px 0 0; max-width: 90vw; text-align: center; color: #d2d2d2; font: 11px/1.5 system-ui, sans-serif; }
.d4-power-open { margin-top: 6px; padding: 8px 16px; border-radius: 4px; border: 1px solid rgba(255,255,255,.35); background: transparent; color: #ddd; font: 14px system-ui, sans-serif; cursor: pointer; }

/* ---------------------------------------------------------------- teclado do computador (novo/js/teclado.js) */
.dx-keycap { display: none; position: absolute; z-index: 4; right: 2px; top: 2px; min-width: 9px; padding: 0 2px; box-sizing: border-box;
  border-radius: 2px; background: rgba(241, 242, 232, .85); color: #3d4260; font: 700 8px/10px "DX Roboto Condensed", "Roboto Condensed", sans-serif;
  text-align: center; white-space: nowrap; pointer-events: none; letter-spacing: 0; }
/* escondidas por padrao (face limpa); aparecem com "Teclas" ligado, Alt/Option segurado ou no Learn */
.dx.keys-on .dx-keycap, .dx.keys-peek .dx-keycap, body.learning .dx .dx-keycap { display: block; }
.dx-k .dx-keycap { top: 1px; right: 1px; line-height: 9px; }   /* teclas baixas (CANCEL, 34 px): nao encosta no nome */
/* knob: selo ao lado direito, fora do circulo (a base do knob vai ate 91 px), no meio da altura */
.dx-knob .dx-keycap { right: auto; bottom: auto; left: 97px; top: 37px; transform: none; padding: 0 3px; font-size: 9px; line-height: 13px;
  background: #f1f2e8; color: #262a40; box-shadow: 0 0 0 1px rgba(0, 0, 0, .55); }
.dx-fk .dx-keycap { right: 6px; top: 4px; }
.dx-tap .dx-keycap { right: 6px; top: 6px; }
.learnbar .d4-keys-btn.on { box-shadow: inset 0 0 0 1px rgba(75, 138, 208, .8); }

/* ---------------------------------------------------------------- barra de baixo (estilo da do DCX Studio) e "Subir sample" */
:root { --d4bar: #1b1c1d; --d4bar-ink: #d8dad5; --d4bar-dim: #8d8f8a; --d4bar-line: #34363a; --d4bar-shadow: rgba(0,0,0,.5); --d4bar-h: 48px; }
@media (prefers-color-scheme: light) {
  :root { --d4bar: #e9e8e2; --d4bar-ink: #1c1c1c; --d4bar-dim: #6c6d68; --d4bar-line: #c4c3bb; --d4bar-shadow: rgba(0,0,0,.18); }
}
body { padding-bottom: calc(var(--d4bar-h) + 8px + env(safe-area-inset-bottom)); }
.d4bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 41; height: var(--d4bar-h); box-sizing: content-box;
  padding: 0 max(16px, env(safe-area-inset-right)) env(safe-area-inset-bottom) max(16px, env(safe-area-inset-left));
  background: var(--d4bar); color: var(--d4bar-ink); border-top: 1px solid var(--d4bar-line); box-shadow: 0 -6px 18px var(--d4bar-shadow);
  display: flex; align-items: center; gap: 18px; font-family: var(--font); }
.d4bar * { box-sizing: border-box; }
/* o logo SVG do 404 na cor da barra (mascara: o desenho original e grafite) */
.d4bar-logo { flex: none; display: block; height: 16px; aspect-ratio: 239.101 / 30.9111; background: currentColor;
  -webkit-mask: url(../assets/svg/logo-dcx404.svg) center / contain no-repeat; mask: url(../assets/svg/logo-dcx404.svg) center / contain no-repeat; }
.d4bar-sep { flex: none; width: 1px; height: 22px; background: var(--d4bar-line); }
.d4bar-msg { flex: 1; min-width: 0; font-size: 13px; letter-spacing: .04em; color: var(--d4bar-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.d4bar-btn { flex: none; height: 36px; padding: 0 14px; border-radius: 4px; border: 1px solid var(--d4bar-line); background: transparent; color: var(--d4bar-ink);
  font: 600 13px var(--font); letter-spacing: .1em; text-transform: uppercase; cursor: pointer; touch-action: manipulation; }
.d4bar-btn:hover { border-color: var(--d4bar-ink); }
.d4bar-btn:focus-visible { outline: 2px solid var(--rule); outline-offset: 2px; }
.d4bar-btn.on { background: var(--key-red); border-color: var(--key-red); color: #fff; }
.d4bar-btn.on + .d4bar-msg, .d4bar-msg:has(+ .d4bar-btn.on) { color: var(--d4bar-ink); }
@media (max-width: 640px) {
  .d4bar { gap: 12px; padding-left: max(12px, env(safe-area-inset-left)); padding-right: max(12px, env(safe-area-inset-right)); }
  .d4bar-logo { height: 12px; }
  .d4bar-btn { padding: 0 10px; font-size: 12px; letter-spacing: .08em; }
}

/* ---------------------------------------------------------------- Config (botao e painel como os do DCX Studio, css/bar.css .cfg-btn/.cfg) */
:root { --d4panel: #232426; --d4field: #2c2d30; }
@media (prefers-color-scheme: light) { :root { --d4panel: #f4f3ee; --d4field: #e6e5de; } }
.d4bar-cfg { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--d4bar-line); background: transparent; display: grid; place-items: center;
  flex: none; color: var(--d4bar-ink); padding: 0; cursor: pointer; touch-action: manipulation; }
.d4bar-cfg svg { width: 18px; height: 18px; }
.d4bar-cfg:hover { border-color: var(--d4bar-ink); }
.d4bar-cfg:focus-visible { outline: 2px solid var(--rule); outline-offset: 2px; }
.d4bar-cfg[aria-expanded="true"] { background: var(--d4bar-ink); color: var(--d4bar); border-color: var(--d4bar-ink); }
.d4bar-cfg:disabled { opacity: .4; cursor: default; }
.d4cfg { position: fixed; right: 12px; bottom: calc(var(--d4bar-h) + 12px + env(safe-area-inset-bottom)); z-index: 42; width: 440px; max-width: calc(100vw - 24px);
  max-height: calc(100vh - var(--d4bar-h) - 36px); max-height: calc(100dvh - var(--d4bar-h) - 36px - env(safe-area-inset-bottom)); overflow: auto; overscroll-behavior: contain;
  background: var(--d4panel); color: var(--d4bar-ink); border: 1px solid var(--d4bar-line); border-radius: 10px;
  box-shadow: 0 18px 40px var(--d4bar-shadow); padding: 4px 18px 18px; font-family: var(--font); box-sizing: border-box; }
.d4cfg[hidden] { display: none; }
.d4cfg:focus { outline: none; }
.d4cfg * { box-sizing: border-box; }
.d4cfg section { padding-top: 14px; }
.d4cfg section + section { border-top: 1px solid var(--d4bar-line); margin-top: 16px; }
.d4cfg h2 { margin: 0 0 10px; font-size: 11px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; display: flex; align-items: center; gap: 8px; }
.d4cfg h2::before { content: ""; flex: none; width: 14px; height: 2px; background: var(--key-red); }
.d4cfg h2 em { margin-left: auto; font-style: normal; font-weight: 400; letter-spacing: .04em; text-transform: none; font-size: 11px; color: var(--d4bar-dim); text-align: right; }
.d4cfg a { color: inherit; }
.d4cfg-foot { margin: 10px 0 0; font-size: 11px; color: var(--d4bar-dim); line-height: 1.4; }
.d4cfg-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.d4cfg .learnbar { color: var(--d4bar-ink); gap: 8px; }
.d4cfg button.learnbar-btn, .d4cfg button.learnbar-save, .d4cfg .d4-open-btn, .d4bar .learnbar button {
  height: 32px; padding: 0 12px; border-radius: 4px; border: 1px solid var(--d4bar-line); background: transparent; color: var(--d4bar-ink);
  font: 600 12px var(--font); letter-spacing: .08em; text-transform: uppercase; cursor: pointer; touch-action: manipulation; box-shadow: none; }
.d4cfg .learnbar button:hover, .d4cfg .d4-open-btn:hover, .d4bar .learnbar button:hover { border-color: var(--d4bar-ink); }
.d4cfg .learnbar-btn.on, .d4bar .learnbar-btn.on { background: var(--rule); border-color: var(--rule); color: #fff; box-shadow: 0 0 10px 1px rgba(75, 138, 208, .6); }
.d4cfg .learnbar .d4-keys-btn.on { background: var(--d4bar-ink); color: var(--d4bar); border-color: var(--d4bar-ink); box-shadow: none; }
.d4cfg .learnbar-text { order: 9; width: 100%; font-size: 16px; color: var(--d4bar-ink); }
.d4cfg .learnbar-text:empty { display: none; }
.d4cfg .d4-open-msg { width: 100%; color: var(--d4bar-dim); max-width: none; }
.d4cfg-scroll { max-height: 40vh; overflow: auto; overscroll-behavior: contain; padding-right: 4px; }
.d4cfg-help { margin: 0 0 10px; font-size: 12px; line-height: 1.5; color: var(--d4bar-ink); }
.d4cfg-help kbd { font-family: inherit; border: 1px solid currentColor; border-radius: 3px; padding: 0 4px; }
.d4cfg-credit { margin: 0; font-size: 12px; line-height: 1.5; color: var(--d4bar-dim); }
/* Learn ativo: a barra do Learn vem para a barra de baixo (o aviso fica a vista enquanto se toca a face) */
.d4bar .learnbar { flex: 1; min-width: 0; flex-wrap: nowrap; gap: 8px; min-height: 0; color: var(--d4bar-ink); }
.d4bar .learnbar button { flex: none; height: 32px; }
.d4bar .learnbar .d4-keys-btn { display: none; }
.d4bar .learnbar-text { flex: 1; min-width: 0; font-size: 14px; color: var(--d4bar-ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
body.learning .d4bar-msg, body.learning #d4-up { display: none; }
@media (max-width: 640px) {
  .d4cfg { right: 8px; left: 8px; width: auto; max-width: none; padding: 4px 14px 14px; }
  .d4cfg-scroll { max-height: none; overflow: visible; }
  body.learning .d4bar-sep, body.learning .d4bar-logo { display: none; }
  .d4bar .learnbar button { padding: 0 8px; font-size: 11px; }
  .d4bar .learnbar-text { font-size: 12px; }
}