/**
 * Teclado en pantalla estilo PC: filas lineales, teclas claras.
 */
:root {
  --vkb-inset: 0px;
  --vkb-radius: 6px 0 0 0;
  --vkb-pad: #d8dce2;
  --vkb-key-fg: #1e1e1e;
  --vkb-key-bg: #fbfcff;
  --vkb-key-brd: #b4bac4;
  --vkb-key-sh: 0 1px 0 rgba(255, 255, 255, 0.85), 0 1px 2px rgba(0, 0, 0, 0.12);
  --vkb-key-press: #d4dae5;
  --vkb-fn-bg: #e3e7ee;
  --vkb-enter-bg: #1a5fb4;
  --vkb-enter-fg: #fff;
  --vkb-hint: #3d4450;
  --vkb-dock-w: 780px;
}

[data-vkb-scroll] {
  padding-bottom: var(--vkb-inset) !important;
  box-sizing: border-box;
  transition: padding-bottom 0.2s ease;
}

html.vkb-site-body-pad body {
  padding-bottom: var(--vkb-inset) !important;
  box-sizing: border-box;
  transition: padding-bottom 0.2s ease;
}

.vkb-dock {
  position: fixed;
  z-index: 10020;
  right: 0;
  bottom: 0;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  pointer-events: none;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.vkb-dock * {
  pointer-events: auto;
}

.vkb-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 42px;
  padding: 0 14px 0 10px;
  background: var(--vkb-pad);
  color: #222;
  border: 1px solid #9aa0a8;
  border-right: 0;
  border-bottom: 0;
  border-radius: var(--vkb-radius);
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  font-size: 13px;
  font-weight: 600;
}
.vkb-tab:hover,
.vkb-tab:focus-visible {
  background: #c9ced6;
  outline: 2px solid #1a5fb4;
  outline-offset: 1px;
}
.vkb-tab__icon {
  font-size: 18px;
  line-height: 1;
}

.vkb-panel {
  display: none;
  flex-direction: column;
  width: min(100vw, var(--vkb-dock-w));
  max-height: min(50vh, 400px);
  background: var(--vkb-pad);
  color: #222;
  border: 1px solid #9aa0a8;
  border-right: 0;
  border-bottom: 0;
  border-radius: var(--vkb-radius);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.18);
  overflow: hidden;
}

.vkb-dock.is-open .vkb-tab {
  display: none;
}
.vkb-dock.is-open .vkb-panel {
  display: flex;
}

.vkb-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px 5px;
  background: #c8cdd5;
  border-bottom: 1px solid #a8aeb8;
  flex-shrink: 0;
}
.vkb-toolbar__hint {
  font-size: 11px;
  font-weight: 600;
  color: var(--vkb-hint);
  max-width: 64%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.vkb-hide {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 10px;
  border: 1px solid #8c939d;
  border-radius: 4px;
  background: #e8ebf0;
  color: #1e1e1e;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.vkb-hide:hover,
.vkb-hide:focus-visible {
  background: #dde1e8;
  outline: none;
}
.vkb-hide__arrow {
  font-size: 15px;
  font-weight: 800;
  color: #2e6e32;
  line-height: 1;
}

.vkb-grid {
  flex: 1 1 auto;
  min-height: 0;
  padding: 6px 8px 8px;
  padding-bottom: max(8px, env(safe-area-inset-bottom, 0px));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* Contenedor teclado tipo PC */
.vkb-pc {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 100%;
}

.vkb-pc__row {
  display: flex;
  flex-direction: row;
  gap: 4px;
  width: 100%;
  flex-wrap: nowrap;
  align-items: stretch;
}

/* Fila Q–P + fila A–Ñ, con Enter a la derecha (2 renglones de alto) */
.vkb-pc__block-qp {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr)) minmax(50px, 64px);
  grid-template-rows: 1fr 1fr;
  gap: 4px 5px;
  width: 100%;
  min-width: 0;
  align-items: stretch;
}
.vkb-pc__block-qp > .vkb-key {
  min-width: 0;
  min-height: 34px;
}
.vkb-pc__block-qp .vkb-key--enter-tall {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  writing-mode: horizontal-tb;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.01em;
  padding: 2px 1px;
  line-height: 1.2;
  min-height: 0;
  white-space: normal;
  background: linear-gradient(180deg, #2b7ad6 0%, var(--vkb-enter-bg) 100%) !important;
  color: var(--vkb-enter-fg) !important;
  border-color: #134d97 !important;
  box-shadow: var(--vkb-key-sh);
  transform: none;
}
.vkb-pc__block-qp .vkb-key--enter-tall:active {
  background: #154a8c !important;
  color: #fff !important;
  transform: scale(0.99);
  box-shadow: none;
}

/* Tecla base: como tecla física */
.vkb-key {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  min-height: 34px;
  border: 1px solid var(--vkb-key-brd);
  border-radius: 3px;
  background: linear-gradient(180deg, #fff 0%, var(--vkb-key-bg) 100%);
  color: var(--vkb-key-fg);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  box-shadow: var(--vkb-key-sh);
  padding: 0 1px;
}
.vkb-key:active {
  background: var(--vkb-key-press);
  transform: translateY(1px);
  box-shadow: none;
}
.vkb-key--num {
  min-height: 32px;
  font-size: 15px;
  font-weight: 600;
}
/* Retroceso (ancha) y Teclas de función / Entrar / Mayús */
.vkb-key--fn {
  background: linear-gradient(180deg, #eff2f6 0%, var(--vkb-fn-bg) 100%);
  font-size: 11px;
  font-weight: 600;
  color: #222;
  flex: 1.2 1 0;
}
.vkb-key--wider {
  flex: 1.45 1 0;
  min-width: 52px;
  font-size: 11px;
}
.vkb-key--bs {
  flex: 1.2 1 0;
  min-width: 44px;
  font-size: 18px;
  font-weight: 700;
}
/* Fila final: . y , chicas; espacio al centro; columna vacía a la derecha equilibra */
.vkb-pc__row--space {
  min-height: 40px;
  display: grid;
  grid-template-columns: 1fr minmax(100px, 2.2fr) 1fr;
  gap: 4px 6px;
  align-items: stretch;
  min-width: 0;
}
.vkb-pc__punct {
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  align-items: center;
  gap: 3px;
  min-width: 0;
  padding-right: 2px;
}
.vkb-key--punct {
  flex: 0 0 32px;
  width: 32px;
  min-width: 28px;
  max-width: 40px;
  min-height: 32px;
  max-height: 36px;
  font-size: 12px;
  font-weight: 600;
  padding: 0;
}
.vkb-pc__space-mid {
  display: flex;
  align-items: stretch;
  justify-content: center;
  min-width: 0;
}
.vkb-pc__space-mid .vkb-key--space {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  flex: 1 1 auto;
  font-size: 11px;
  font-weight: 600;
  color: #2a2a2a;
  letter-spacing: 0.06em;
}
.vkb-pc__spacer {
  min-width: 0;
}

/* Móvil/tablet: sin dock (init en JS también se omite). Respaldo por caché o edge cases. */
@media (max-width: 1024px) {
  .vkb-dock {
    display: none !important;
  }
  html.vkb-site-body-pad body {
    padding-bottom: 0 !important;
  }
  [data-vkb-scroll] {
    padding-bottom: 0 !important;
  }
}