/* asteroid-typer — estilos propios. Los tokens y la base viven en assets/tokens.css */

:root {
  /* Velos sobre el campo de estrellas: el fondo de la página con transparencia. */
  --veil: rgba(13, 17, 23, 0.5);
  --veil-strong: rgba(13, 17, 23, 0.94);
  /* Lo incandescente (núcleo de la llama y del láser) y la sombra propia de la nave. */
  --hot: #ffd9a8;
  --beam-core: var(--pluto-heart);
  --ship-shade: #cfd6dd;
}

:root[data-theme="light"] {
  --veil: rgba(244, 241, 236, 0.5);
  --veil-strong: rgba(244, 241, 236, 0.94);
  --beam-core: var(--hot);
}

/* ---------- marca ---------- */

.brand-trail {
  stroke: var(--alert);
}

.brand-line {
  fill: var(--text);
}

.brand-caret {
  fill: var(--accent);
}

/* El interruptor mide 2 px más que la marca. El alto del escenario se calcula
   restando una cabecera de 26 px, así que no debe hacer crecer la fila. */
.page-head > .theme-toggle {
  margin-block: -1px;
}

.layout {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

/* ---------- escenario ---------- */

.stage {
  position: relative;
  display: flex;
  flex-direction: column;
  height: clamp(460px, calc(100dvh - 164px), 760px);
  background: var(--veil);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* ---------- marcador ---------- */

.hud {
  flex: none;
  display: flex;
  align-items: flex-end;
  gap: var(--s-2) clamp(var(--s-5), 4vw, var(--s-7));
  margin: 0;
  padding: var(--s-3) var(--s-5);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
}

.hud-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.hud-item--best {
  margin-left: auto;
}

.hud dt {
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--text-2);
  white-space: nowrap;
}

.hud abbr {
  text-decoration: none;
}

.hud dd {
  margin: 0;
  font-size: var(--fs-lg);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  line-height: 1.3;
  white-space: nowrap;
}

#hud-best.is-beaten {
  color: var(--accent);
}

#hud-lives {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 1.3em;
}

#hud-lives i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  border: 1px solid var(--accent);
  transition: opacity var(--t-med) var(--ease-out);
}

#hud-lives i.is-lost {
  background: transparent;
  border-color: var(--border-strong);
}

/* ---------- campo de juego ---------- */

/* En el menú y en el resumen el escenario puede crecer con su contenido:
   en un móvil pequeño se desplaza la página, no se recorta la pantalla. */
.stage[data-state="menu"],
.stage[data-state="over"] {
  height: auto;
  min-height: clamp(460px, calc(100dvh - 164px), 760px);
}

.field {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  touch-action: manipulation;
}

.scene {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  transition: opacity var(--t-slow) var(--ease-out);
  user-select: none;
  -webkit-user-select: none;
}

.asteroid {
  animation: ast-in 420ms var(--ease-out) both;
}

@keyframes ast-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.ast-facet {
  stroke: var(--bg);
  stroke-width: 0.6;
  stroke-linejoin: round;
  transform-box: fill-box;
  transform-origin: center;
}

.ast-tail {
  fill: url(#tail-grad);
}

/* Estela: luz sobre el cielo oscuro, tinta sobre papel. */
.tail-stop {
  stop-color: var(--text);
}

.ast-ring {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.2;
  stroke-dasharray: 2 5;
  stroke-linecap: round;
  opacity: 0;
  transition: opacity var(--t-med) var(--ease-out);
}

.ast-pill {
  fill: var(--bg);
  fill-opacity: 0.86;
  stroke: var(--border);
  stroke-width: 1;
  transition: stroke var(--t-fast) var(--ease-out);
}

.ast-flash {
  fill: var(--alert-soft);
  stroke: var(--alert);
  stroke-width: 1.5;
  opacity: 0;
  pointer-events: none;
}

.ast-word {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  fill: var(--text);
}

.ast-done {
  fill: var(--accent);
}

/* Sobre papel acento y tinta son dos oscuros parecidos: las letras acertadas
   ganan peso para distinguirse de las pendientes (en mono no cambia el ancho). */
:root[data-theme="light"] .ast-done {
  font-weight: 700;
}

.asteroid.is-target .ast-ring {
  opacity: 0.9;
}

.asteroid.is-target .ast-pill {
  stroke: var(--accent);
  fill-opacity: 1;
}

.asteroid.is-target .ast-rest {
  fill: var(--text);
}

/* Restos de un asteroide destruido: solo quedan las caras volando. */
.debris .ast-tail,
.debris .ast-ring,
.debris .ast-label {
  display: none;
}

.aim {
  opacity: 0;
  transition: opacity var(--t-fast) var(--ease-out);
}

.aim.is-on {
  opacity: 1;
}

.aim line {
  stroke: var(--accent);
  stroke-width: 1.2;
  stroke-dasharray: 1.5 6;
  stroke-linecap: round;
}

.beam {
  pointer-events: none;
}

.beam line {
  stroke: var(--alert);
  stroke-width: 3;
  stroke-linecap: round;
}

.beam .beam-core {
  stroke: var(--beam-core);
  stroke-width: 1;
}

.wave {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.4;
  transform-box: fill-box;
  transform-origin: center;
  pointer-events: none;
}

.pop {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  fill: var(--accent);
  stroke: var(--bg);
  stroke-width: 3px;
  stroke-linejoin: round;
  paint-order: stroke;
  transform-box: fill-box;
  pointer-events: none;
}

/* ---------- nave ---------- */

/* Cohete blanco: en modo claro lo sostiene un contorno de tinta, dibujado encima
   de la sombra y la banda para que no se lo coman. */
.ship-body {
  fill: var(--rocket);
}

.ship-shade {
  fill: var(--ship-shade);
}

.ship-outline {
  fill: none;
  stroke: var(--rocket-line);
  stroke-width: 1.8;
  stroke-linejoin: round;
}

.ship-fin,
.ship-band {
  fill: var(--accent);
}

.ship-nozzle {
  fill: var(--text-2);
}

.ship-window {
  fill: var(--surface);
  stroke: var(--text-2);
}

.ship-glint {
  stroke: var(--cold);
}

.shield {
  fill: none;
  stroke: var(--cold);
  stroke-width: 1.5;
  stroke-dasharray: 2 6;
  stroke-linecap: round;
  opacity: 0.8;
}

.ship[data-lives="2"] .shield {
  opacity: 0.5;
}

/* Última vida: el escudo late en naranja. */
.ship[data-lives="1"] .shield {
  stroke: var(--alert);
  animation: shield-low 620ms var(--ease-in-out) infinite alternate;
}

.ship[data-lives="0"] .shield {
  opacity: 0;
}

.shield.is-hit {
  stroke: var(--alert);
}

@keyframes shield-low {
  from {
    opacity: 0.2;
  }
  to {
    opacity: 0.9;
  }
}

.flame {
  fill: var(--alert);
  transform-box: fill-box;
  transform-origin: 50% 0%;
  animation: flame 460ms var(--ease-in-out) infinite alternate;
}

.flame--inner {
  fill: var(--hot);
  animation-duration: 330ms;
}

@keyframes flame {
  from {
    transform: scaleY(0.72);
    opacity: 0.8;
  }
  to {
    transform: scaleY(1.06);
    opacity: 1;
  }
}

/* ---------- aviso de nivel ---------- */

.level-up {
  position: absolute;
  top: 26%;
  left: 0;
  right: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-1);
  opacity: 0;
  pointer-events: none;
}

.level-up strong {
  font-size: var(--fs-display);
  font-weight: 300;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--accent);
}

/* ---------- pantallas ---------- */

.screen {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-items: center;
  padding: var(--s-5) var(--s-4);
  background: var(--veil-strong);
  overflow-y: auto;
  animation: screen-in 360ms var(--ease-out) both;
}

@keyframes screen-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.stage[data-state="menu"] .screen,
.stage[data-state="over"] .screen {
  position: relative;
  flex: 1;
}

/* Menú: sin velo, con la nave esperando en su sitio bajo el contenido. */
.stage[data-state="menu"] .screen {
  align-items: start;
  padding-top: var(--s-5);
  padding-bottom: 104px;
  background: none;
}

.screen-body.screen-body--start {
  gap: 1.125rem;
  max-width: 580px;
}

.intro,
.cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-2);
}

.cta {
  gap: var(--s-3);
}

.screen-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-4);
  width: 100%;
  max-width: 460px;
  text-align: center;
}

.title {
  font-size: var(--fs-xl);
}

.lede {
  max-width: 38ch;
  color: var(--text-2);
  text-wrap: balance;
}

kbd {
  display: inline-block;
  text-indent: 0;
  padding: 0 0.4em;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.75em;
  line-height: 1.5;
  color: var(--text);
}

.options {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--s-1) var(--s-5);
}

.seg {
  display: inline-flex;
  min-width: 0;
  margin: 0;
  padding: 3px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.seg label {
  position: relative;
  display: block;
}

.seg input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.seg span {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 var(--s-4);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--text-2);
  transition:
    background-color var(--t-fast) var(--ease-out),
    color var(--t-fast) var(--ease-out);
}

.seg label:hover span {
  color: var(--text);
}

.seg input:checked + span {
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}

.seg input:focus-visible + span {
  outline: 2px solid var(--cold);
  outline-offset: 2px;
}

.switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  min-height: 44px;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  cursor: pointer;
}

.switch input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.switch-track {
  flex: none;
  width: 36px;
  height: 20px;
  padding: 2px;
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  transition:
    background-color var(--t-fast) var(--ease-out),
    border-color var(--t-fast) var(--ease-out);
}

.switch-thumb {
  display: block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--text-2);
  transition:
    transform var(--t-med) var(--ease-spring),
    background-color var(--t-fast) var(--ease-out);
}

.switch input:checked ~ .switch-track {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.switch input:checked ~ .switch-track .switch-thumb {
  transform: translateX(16px);
  background: var(--accent);
}

.switch input:focus-visible ~ .switch-track {
  outline: 2px solid var(--cold);
  outline-offset: 2px;
}

.switch small {
  font-size: inherit;
  color: var(--text-2);
}

.howto {
  display: grid;
  gap: var(--s-1);
  margin: 0;
  padding: 0;
  list-style: none;
  text-align: left;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--text-2);
}

.howto li {
  padding-left: 2ch;
  text-indent: -2ch;
}

.howto li::before {
  content: "> ";
  color: var(--accent);
}

.howto b {
  font-weight: 500;
  color: var(--text);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--s-3);
}

.btn--go {
  min-width: 190px;
  font-size: var(--fs-md);
}

.btn--go kbd {
  border-color: currentColor;
  color: inherit;
  opacity: 0.75;
}

.badge {
  padding: 2px var(--s-3);
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  color: var(--accent);
}

.summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  width: 100%;
  margin: 0;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  font-family: var(--font-mono);
}

.summary div {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--s-3) var(--s-2);
  background: var(--surface);
}

.summary dt {
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--text-2);
}

.summary dd {
  margin: 0;
  font-size: var(--fs-lg);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

/* ---------- caja de texto ---------- */

.entry {
  flex: none;
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-5);
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.entry-box {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  min-width: 0;
  min-height: 44px;
  padding: 0 var(--s-4);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 1rem;
  white-space: nowrap;
  overflow: hidden;
  cursor: text;
  transition: border-color var(--t-fast) var(--ease-out);
}

.entry-box:focus-within {
  border-color: var(--cold);
}

/* El <input> real cubre la caja pero no se ve: lo tecleado se pinta al lado,
   letra a letra, con la parte pendiente de la palabra en gris. */
.entry-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  opacity: 0;
  font-size: 16px; /* evita el zoom automático de iOS al enfocar */
}

.entry-prompt {
  margin-right: 1ch;
  color: var(--accent);
}

.entry-typed {
  color: var(--accent);
}

.entry-ghost {
  color: var(--text-2);
}

.entry-caret {
  flex: none;
  width: 2px;
  height: 1.15em;
  margin-inline: 1px;
  background: var(--accent);
  opacity: 0;
}

/* El estado base es el cursor visible: con movimiento reducido la animación
   no corre y el cursor se queda fijo, no desaparece. */
.stage[data-state="playing"] .entry-caret {
  opacity: 1;
  animation: caret 560ms var(--ease-in-out) infinite alternate;
}

@keyframes caret {
  from {
    opacity: 0.15;
  }
  to {
    opacity: 1;
  }
}

.entry-hint {
  margin-left: var(--s-2);
  font-size: var(--fs-sm);
  color: var(--text-2);
  overflow: hidden;
  text-overflow: ellipsis;
}

.entry-box.has-target .entry-hint {
  display: none;
}

.entry-combo {
  margin-left: auto;
  padding-left: var(--s-3);
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
  color: var(--accent);
}

.entry-pause {
  flex: none;
}

.btn:disabled {
  color: var(--text-2);
  opacity: 0.6;
  cursor: default;
}

/* ---------- pantallas estrechas ---------- */

@media (max-width: 860px) {
  .page {
    gap: var(--s-4);
  }

  .layout {
    justify-content: flex-start;
  }

  .stage {
    height: clamp(440px, calc(100dvh - 186px), 760px);
  }

  .stage[data-state="menu"],
  .stage[data-state="over"] {
    min-height: clamp(440px, calc(100dvh - 186px), 760px);
  }

  /* En móvil el menú necesita todo el alto: sin nave ni caja de texto debajo. */
  .stage[data-state="menu"] .scene {
    opacity: 0;
  }

  .stage[data-state="menu"] .entry {
    display: none;
  }

  .stage[data-state="menu"] .screen {
    align-items: center;
    padding-block: var(--s-5);
  }

  .hud {
    gap: var(--s-2) var(--s-5);
    padding: var(--s-3) var(--s-4);
  }

  .entry {
    gap: var(--s-2);
    padding: var(--s-2) var(--s-3);
  }

  .entry-box {
    padding: 0 var(--s-3);
  }

  .entry-pause {
    width: 44px;
    padding: 0;
  }

  .entry-pause span {
    display: none;
  }
}

/* Móvil: el marcador pasa a una rejilla de dos filas. */
@media (max-width: 620px) {
  .hud {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
    gap: var(--s-2) var(--s-3);
  }

  .hud-item--best {
    margin-left: 0;
  }

  .hud dd {
    font-size: var(--fs-md);
  }
}

@media (max-width: 860px) and (max-height: 700px) {
  .intro .console {
    display: none;
  }

  .screen-body.screen-body--start {
    gap: var(--s-3);
  }
}

/* Teclado en pantalla abierto (lo detecta main.js): el juego ocupa el
   viewport visible entero y el marcador se queda en una fila. */
body.is-compact .page-head,
body.is-compact .page-foot {
  display: none;
}

body.is-compact .page {
  gap: 0;
  min-height: 0;
  padding-block: var(--s-2);
}

body.is-compact .stage {
  height: calc(var(--vvh, 100dvh) - 1rem);
  min-height: 300px;
}

body.is-compact .hud {
  grid-template-columns: repeat(5, auto);
  justify-content: space-between;
  padding-block: var(--s-2);
}

body.is-compact .hud-item--words,
body.is-compact .hud-item--best {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  .ast-tail {
    display: none;
  }
}