:root {
  --color-fondo: #1e1e1e;
  --color-panel: #2a2a2a;
  --color-texto: #f0f0f0;
  --color-texto-secundario: #a0a0a0;
  --color-acento: #00f0f0;
  --color-borde: #3a3a3a;
  --color-tablero-fondo: #000000;
}

body.tema-claro {
  --color-fondo: #f0f0f0;
  --color-panel: #ffffff;
  --color-texto: #1e1e1e;
  --color-texto-secundario: #555555;
  --color-acento: #6a00f0;
  --color-borde: #d0d0d0;
  --color-tablero-fondo: #f8f8f8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: var(--color-fondo);
  color: var(--color-texto);
  font-family: "Segoe UI", sans-serif;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

.contenedor-principal {
  display: flex;
  gap: 24px;
  align-items: center;
}

#tablero {
  border: 4px solid var(--color-acento);
  background-color: var(--color-tablero-fondo);
  border-radius: 4px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.panel-lateral {
  display: flex;
  flex-direction: column;
  gap: 20px;
  background-color: var(--color-panel);
  border: 1px solid var(--color-borde);
  border-radius: 8px;
  padding: 16px 20px;
  width: 265px;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.25);
  transition:
    background-color 0.3s ease,
    border-color 0.3s ease;
}

.panel-lateral h3 {
  margin: 0 0 8px 0;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--color-texto-secundario);
  border-bottom: 1px solid var(--color-borde);
  padding-bottom: 4px;
}

#siguiente {
  border: 1px solid var(--color-borde);
  border-radius: 4px;
  display: block;
  margin: 0 auto 8px auto;
  box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.25);
}

.dato-marcador {
  margin-bottom: 12px;
}

.dato-marcador .valor {
  font-family: "Press Start 2P", monospace;
  font-size: 1.3rem;
  font-weight: normal;
  color: var(--color-acento);
}

.boton-tema {
  background: none;
  border: 1px solid var(--color-borde);
  color: var(--color-texto);
  border-radius: 6px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 0.85rem;
  box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.4);
}

.boton-tema:hover {
  border-color: var(--color-acento);
  box-shadow:
    inset 0 0 6px rgba(0, 0, 0, 0.4),
    0 0 6px var(--color-acento);
}

#menu-principal {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
  background-color: var(--color-panel);
  border: 2px solid var(--color-acento);
  border-radius: 12px;
  box-shadow:
    0 0 12px var(--color-acento),
    0 0 32px rgba(0, 0, 0, 0.4);
  padding: 40px 48px;
}

.boton-idioma {
  background: none;
  border: 1px solid var(--color-borde);
  border-radius: 6px;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 1.1rem;
  opacity: 0.5;
}

.boton-idioma.activo {
  opacity: 1;
  border-color: var(--color-acento);
}

.contenedor-tablero {
  position: relative;
}

.overlay-estado {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.75);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  border-radius: 4px;
  transition: opacity 0.3s ease;
}

.overlay-estado h3 {
  color: var(--color-acento);
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 0 8px 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.overlay-estado p {
  color: white;
  font-size: 1rem;
  font-weight: 400;
  padding: 0 20px;
  margin: 0;
}

.overlay-estado.oculto {
  display: none;
}

@media (prefers-reduced-motion: no-preference) {
  @keyframes encendido-neon {
    0%,
    20% {
      opacity: 0.2;
      text-shadow: none;
    }
    30% {
      opacity: 1;
      text-shadow:
        0 0 8px var(--color-acento),
        0 0 16px var(--color-acento);
    }
    40% {
      opacity: 0.3;
      text-shadow: none;
    }
    50%,
    100% {
      opacity: 1;
      text-shadow:
        0 0 8px var(--color-acento),
        0 0 20px var(--color-acento),
        0 0 32px var(--color-acento);
    }
  }

  .titulo-arcade {
    animation: encendido-neon 1.4s ease-out forwards;
  }
}

.titulo-arcade {
  font-family: "Press Start 2P", monospace;
  font-size: 2.5rem;
  color: var(--color-acento);
  text-shadow:
    0 0 8px var(--color-acento),
    0 0 20px var(--color-acento),
    0 0 32px var(--color-acento);
  margin: 0;
  letter-spacing: 0.1em;
}

.fila-switches {
  display: flex;
  align-items: center;
  gap: 16px;
}

.grupo-config {
  background-color: var(--color-panel);
  border: 2px solid var(--color-borde);
  border-radius: 8px;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: left;
  min-width: 240px;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.25);
}

.grupo-config h2 {
  margin: 0 0 8px 0;
  font-size: 1.1rem;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-texto);
  border-bottom: 1px solid var(--color-borde);
  padding-bottom: 8px;
}

.grupo-config label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-texto);
}

.grupo-config > select {
  align-self: center;
  width: fit-content;
}

.fila-control {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.fila-control select {
  width: fit-content;
}

.boton-principal {
  background-color: var(--color-acento);
  color: var(--color-fondo);
  border: none;
  border-radius: 8px;
  padding: 12px 32px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    color 0.15s ease;
}

.boton-principal:hover {
  color: #ffffff;
  text-shadow:
    0 0 6px #ffffff,
    0 0 12px var(--color-acento);
  transform: translateY(-2px);
  box-shadow:
    0 0 16px var(--color-acento),
    0 4px 16px rgba(0, 0, 0, 0.3);
}

.boton-principal:active {
  transform: translateY(0);
  box-shadow: 0 0 4px var(--color-acento);
}

.bloque-record {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.bloque-record h2 {
  margin: 0;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-texto);
}

.caja-record {
  border: 1px solid var(--color-borde);
  border-radius: 8px;
  padding: 8px 15px 5px;
  background-color: var(--color-fondo);
  box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.3);
  width: fit-content;
}

.valor-record {
  font-family: "Press Start 2P", monospace;
  font-weight: bold;
  font-size: 1.1rem;
  color: var(--color-acento);
}

@media (max-width: 1024px) {
  .contenedor-principal {
    gap: 16px;
  }

  #tablero {
    width: 260px;
    height: 520px;
  }

  .panel-lateral {
    width: 180px;
  }
}

@media (max-width: 700px) {
  .contenedor-principal {
    align-items: center;
    gap: 12px;
  }

  #tablero {
    width: 65vw;
    max-width: 260px;
    height: auto;
    aspect-ratio: 1 / 2;
  }

  .panel-lateral {
    width: 32vw;
    max-width: 150px;
    padding: 10px 12px;
    gap: 12px;
  }

  #menu-principal {
    padding: 24px;
    width: 90vw;
    max-width: 340px;
    box-sizing: border-box;
  }

  .titulo-arcade {
    font-size: 1.8rem;
  }

  .grupo-config {
    min-width: unset;
    width: 100%;
    box-sizing: border-box;
  }

  .dato-marcador .valor {
    font-size: 1rem;
  }

  .panel-lateral h3 {
    font-size: 0.7rem;
  }
}

@media (max-width: 420px) {
  .contenedor-principal {
    align-items: center;
    gap: 8px;
  }

  #tablero {
    width: 62vw;
    border-width: 2px;
  }

  .panel-lateral {
    width: 30vw;
    padding: 6px 8px;
    gap: 8px;
  }

  .panel-lateral h3 {
    font-size: 0.6rem;
    letter-spacing: 0.02em;
    padding-bottom: 2px;
  }

  .dato-marcador .valor {
    font-size: 0.85rem;
  }

  #siguiente {
    width: 70px;
    height: 70px;
  }

  .boton-tema,
  .boton-idioma {
    padding: 3px 6px;
    font-size: 0.7rem;
  }

  #menu-principal {
    padding: 20px 16px;
    width: 92vw;
  }

  .titulo-arcade {
    font-size: 1.4rem;
  }
}

@media (pointer: coarse) {
  #config-teclado {
    display: none;
  }
}