/* =========================================================
   RatoLibre — Cálculo mental: estilos propios
   Depende de los tokens de ../../assets/css/base.css
   Las reglas @media de celular van después de las reglas base.
   ========================================================= */

:root {
  --cm-bien: #2f6f4e;
  --cm-bien-bg: #e3efe8;
  --cm-mal: #a8412c;
  --cm-mal-bg: #f6e4dd;
  --cm-papel: #fdf8ec;
}

/* ---------- Barra de ajustes ---------- */

.cm-toolbar {
  align-items: flex-end;
}

.cm-toolbar > .btn {
  flex: 1 1 150px;
  padding-left: 12px;
  padding-right: 12px;
  white-space: nowrap;
}

.cm-selector {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1 1 150px;
  min-width: 0;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.cm-selector[hidden] {
  display: none;
}

.cm-selector select {
  width: 100%;
  min-height: 48px;
  padding: 0 40px 0 14px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface) url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20'%3E%3Cpath fill='none' stroke='%231f2a37' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round' d='M4 7l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: normal;
  text-transform: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}

.cm-selector select:hover {
  border-color: var(--accent);
}

/* ---------- Zona de juego ---------- */

.cm-area {
  padding: 14px;
}

.cm-cabecera,
.cm-barra,
.cm-juego,
.cm-panel {
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.cm-cabecera {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 4px 10px;
  padding: 0 2px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
}

.cm-dato {
  white-space: nowrap;
}

.cm-cabecera strong {
  color: var(--text);
  font-size: 1.2rem;
  font-variant-numeric: tabular-nums;
}

.cm-cabecera .cm-poco strong {
  color: var(--cm-mal);
}

.cm-barra {
  height: 10px;
  margin-top: 6px;
  margin-bottom: 10px;
  border-radius: 5px;
  background: var(--bg);
  border: 1px solid var(--border);
  overflow: hidden;
}

.cm-barra span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--accent-2);
  transition: width 0.25s linear;
}

.cm-barra.cm-poco span {
  background: var(--cm-mal);
}

.cm-juego[hidden] {
  display: none;
}

/* La tarjeta de la cuenta tiene alto fijo: nada brinca entre una cuenta y otra. */
.cm-tarjeta {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 168px;
  padding: 8px 12px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--cm-papel);
  text-align: center;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.cm-tarjeta.es-bien {
  border-color: var(--cm-bien);
  background: var(--cm-bien-bg);
}

.cm-tarjeta.es-mal {
  border-color: var(--cm-mal);
  background: var(--cm-mal-bg);
}

.cm-modo {
  margin: 0 0 2px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.cm-pregunta {
  margin: 0;
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.cm-igual {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 6px 0 0;
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.15;
}

.cm-igual[hidden] {
  display: none;
}

.cm-respuesta {
  display: inline-block;
  min-width: 3.2ch;
  min-height: 1.3em;
  padding: 0 10px;
  border-bottom: 4px solid var(--accent);
  color: var(--accent-dark, var(--accent));
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.es-bien .cm-respuesta {
  border-bottom-color: var(--cm-bien);
  color: var(--cm-bien);
}

.es-mal .cm-respuesta {
  border-bottom-color: var(--cm-mal);
  color: var(--cm-mal);
  text-decoration: line-through;
  text-decoration-thickness: 3px;
}

.cm-empezar {
  margin-top: 10px;
  min-width: 200px;
}

.cm-empezar[hidden] {
  display: none;
}

/* Caja de mensajes de alto fijo. */
.cm-mensaje {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 2.8rem;
  margin: 8px 0;
  padding: 0 10px;
  border-radius: var(--radius);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
  text-align: center;
  color: var(--muted);
  overflow: hidden;
}

.cm-mensaje.es-bien {
  color: var(--cm-bien);
}

.cm-mensaje.es-mal {
  color: var(--cm-mal);
  background: var(--cm-mal-bg);
}

/* ---------- Teclado numérico ---------- */

.cm-teclado {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  max-width: 360px;
  margin: 0 auto;
}

.cm-tecla {
  min-height: 60px;
  padding: 0;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  color: var(--text);
  font: inherit;
  font-size: 1.7rem;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: background-color 0.1s ease, transform 0.08s ease;
}

.cm-tecla:hover:not(:disabled) {
  border-color: var(--accent);
}

.cm-tecla:active:not(:disabled),
.cm-tecla.is-pulsada {
  background: var(--accent-soft);
  transform: translateY(1px);
}

.cm-tecla:focus {
  outline: none;
}

.cm-tecla:focus-visible {
  outline: 4px solid var(--text);
  outline-offset: 2px;
}

.cm-tecla:disabled {
  cursor: default;
  opacity: 0.45;
  box-shadow: none;
}

.cm-tecla-borrar {
  font-size: 1.05rem;
  background: var(--bg);
}

.cm-tecla-ok {
  border-color: var(--accent-2);
  background: var(--accent-2);
  color: #ffffff;
  font-size: 1.3rem;
}

.cm-tecla-ok:hover:not(:disabled) {
  border-color: var(--text);
}

.cm-tecla-ok:active:not(:disabled),
.cm-tecla-ok.is-pulsada {
  background: #255a3f;
}

/* ---------- Paneles (fin de ronda y confirmación) ---------- */

.cm-panel {
  margin-bottom: 16px;
  padding: 20px 16px;
  border: 2px solid var(--accent-2);
  border-radius: var(--radius);
  background: var(--accent-2-soft);
  animation: cm-aparecer 0.35s ease-out;
}

.cm-panel[hidden] {
  display: none;
}

.cm-panel:focus {
  outline: none;
}

.cm-panel .titulo {
  margin: 0 0 0.4rem;
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--accent-2);
  text-align: center;
}

.cm-panel > p {
  margin: 0 0 0.6rem;
  text-align: center;
}

.cm-panel > p:empty {
  display: none;
}

.cm-panel .botones {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 14px;
}

.cm-panel .botones .btn {
  flex: 1 1 200px;
  max-width: 340px;
}

.cm-fin-puntos {
  font-size: 1.5rem;
  font-weight: 800;
}

.cm-confirmar {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.cm-confirmar .titulo {
  color: var(--accent-dark, var(--accent));
}

.cm-repaso-caja[hidden] {
  display: none;
}

.cm-repaso-titulo {
  margin: 22px 0 10px;
  font-size: 1.2rem;
  text-align: center;
}

.cm-repaso {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.cm-repaso li {
  margin: 0;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  font-size: 1.05rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.cm-repaso .pusiste {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
}

@keyframes cm-aparecer {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Récords ---------- */

.cm-estado {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 16px 0;
  padding: 12px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.cm-estado .dato {
  display: flex;
  flex-direction: column;
  min-width: 6ch;
}

.cm-estado .etiqueta {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.cm-estado .etiqueta span {
  text-transform: none;
  letter-spacing: normal;
}

.cm-estado strong {
  font-size: 1.25rem;
  font-variant-numeric: tabular-nums;
}

/* ---------- Texto de ayuda ---------- */

.cm-ayuda-texto ol li {
  margin-bottom: 0.6rem;
}

/* ---------- Pantallas grandes ---------- */

/* En pantallas anchas el teclado va a la derecha de la cuenta: todo cabe
   a la vista sin desplazar la página. */
@media (min-width: 720px) {
  .cm-area {
    padding: 20px 24px;
  }

  .cm-toolbar > .btn,
  .cm-selector {
    flex: 0 1 200px;
  }

  .cm-cabecera,
  .cm-barra,
  .cm-juego,
  .cm-panel {
    max-width: 760px;
  }

  .cm-cabecera {
    font-size: 1rem;
  }

  .cm-juego {
    display: flex;
    align-items: stretch;
    gap: 24px;
  }

  .cm-izq {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    min-width: 0;
  }

  .cm-tarjeta {
    flex: 1 1 auto;
    height: auto;
    min-height: 200px;
  }

  .cm-mensaje {
    margin-bottom: 0;
  }

  .cm-pregunta {
    font-size: 3rem;
  }

  .cm-teclado {
    flex: 0 0 300px;
    margin: 0;
  }

  .cm-tecla {
    min-height: 64px;
  }
}

/* ---------- Celular angosto (después de las reglas base) ---------- */

@media (max-width: 420px) {
  .cm-area {
    padding: 12px 10px;
  }

  .cm-cabecera {
    font-size: 0.8rem;
  }

  .cm-cabecera strong {
    font-size: 1.1rem;
  }

  .cm-toolbar > .btn,
  .cm-selector {
    flex: 1 1 140px;
  }

  .cm-tarjeta {
    height: 140px;
  }

  .cm-pregunta {
    font-size: 2.1rem;
  }

  .cm-igual {
    font-size: 2rem;
  }

  .cm-mensaje {
    font-size: 1rem;
  }

  .cm-tecla {
    min-height: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cm-panel {
    animation: none;
  }

  .cm-barra span,
  .cm-tarjeta,
  .cm-tecla {
    transition: none;
  }
}