/* ════════════════════════════════════════════════════════════════════
   Pupito — multijugador de los puzzles
   · Pestañas «Jugar solo / Multijugador» de la página de un puzzle con gemelo (public/js/solo.js)
   · Insignia «Multijugador» de las tarjetas de la portada (public/js/home.js)
   · Marco de las Carreras (public/js/race.js): carriles, reloj, cuenta atrás y cartel final
   Base en tokens + capas :root[data-style='brutal'] y :root[data-style='retro'].
   ════════════════════════════════════════════════════════════════════ */

/* ───────────────────────────── Portada ───────────────────────────── */

.badge-glass.badge-multi {
  background: color-mix(in srgb, var(--accent) 62%, rgba(10, 10, 30, 0.4));
  border-color: rgba(255, 255, 255, 0.45);
}

:root[data-style='brutal'] .badge-glass.badge-multi {
  background: var(--yellow);
  color: #111;
}

:root[data-style='retro'] .badge-glass.badge-multi {
  background: var(--green);
  color: #0c2a1f;
  border-color: #0b0620;
}

/* ───────────────────────────── Pestañas de la página del puzzle ───────────────────────────── */

.play-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  /* Ancho para «Multijugador» + «Online · IA · Local» (también en retro, que es más ancha). */
  max-width: 700px;
  margin: 0 0 18px;
  padding: 5px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}

.play-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 0;
  min-height: 44px;
  padding: 8px 14px;
  border: 0;
  border-radius: calc(var(--radius) - 5px);
  background: transparent;
  color: var(--text-2);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.play-tab svg {
  width: 18px;
  height: 18px;
  flex: none;
}

.play-tab:hover {
  color: var(--text);
  background: var(--surface-2);
}

.play-tab.active {
  color: var(--text-on-accent);
  background: var(--accent);
}

.play-tab-label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Si no cabe todo, se recorta la etiqueta pequeña antes que «Multijugador». */
.play-tab-tag {
  flex: 0 100 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  background: color-mix(in srgb, var(--accent-2) 22%, transparent);
  color: inherit;
}

.multi-pane {
  display: grid;
  gap: 18px;
}

.multi-body {
  display: grid;
  gap: 0;
}

.multi-intro {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  padding: 18px 20px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  isolation: isolate;
  background: var(--surface);
  border: 1px solid var(--border);
}

.multi-intro::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(420px 220px at 0% 0%, color-mix(in srgb, var(--g1) 30%, transparent), transparent 70%),
    radial-gradient(380px 220px at 100% 100%, color-mix(in srgb, var(--g2) 22%, transparent), transparent 70%);
}

.multi-intro .game-icon {
  width: 64px;
  height: 64px;
  border-radius: 20px;
}

.multi-intro .game-icon svg {
  width: 38px;
  height: 38px;
}

.multi-intro h2 {
  font-size: 1.35rem;
  font-weight: 800;
}

.multi-intro p {
  margin-top: 4px;
  color: var(--text-2);
  max-width: 640px;
}

.multi-intro-chips {
  margin-top: 10px;
  gap: 6px;
}

:root[data-style='brutal'] .play-tabs {
  border: 3px solid var(--px-line);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
}

:root[data-style='brutal'] .play-tab {
  border: 2.5px solid transparent;
  border-radius: 9px;
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--text);
}

:root[data-style='brutal'] .play-tab:hover {
  background: var(--surface-2);
}

:root[data-style='brutal'] .play-tab.active {
  color: #111;
  background: var(--yellow);
  border-color: #111;
  box-shadow: 2px 2px 0 #111;
}

:root[data-style='brutal'] .play-tab-tag {
  font-family: var(--font);
  background: #fff;
  color: #111;
  border: 2px solid #111;
}

:root[data-style='brutal'] .multi-intro {
  border: 3px solid var(--px-line);
  box-shadow: var(--shadow);
}

:root[data-style='brutal'] .multi-intro::before {
  background: radial-gradient(rgba(17, 17, 17, 0.08) 1.2px, transparent 1.5px) 0 0 / 16px 16px;
}

:root[data-style='brutal'][data-theme='dark'] .multi-intro::before {
  background: radial-gradient(rgba(244, 239, 227, 0.08) 1.2px, transparent 1.5px) 0 0 / 16px 16px;
}

:root[data-style='brutal'] .multi-intro h2 {
  font-family: var(--font-display);
  font-weight: 400;
}

:root[data-style='brutal'] .multi-intro .game-icon {
  border: 3px solid var(--px-line);
  box-shadow: 3px 3px 0 var(--px-drop);
}

:root[data-style='retro'] .play-tabs {
  border-radius: 0;
  border: 4px solid var(--px-line);
  background: var(--bg-2);
  box-shadow: var(--shadow-sm);
}

:root[data-style='retro'] .play-tab {
  border-radius: 0;
  font-family: var(--font-display);
  font-size: 0.78rem;
  text-transform: uppercase;
  transition: none;
}

:root[data-style='retro'] .play-tab.active {
  color: #0c2a1f;
  background: var(--green);
  box-shadow: inset 0 -4px 0 #15a36b;
}

:root[data-style='retro'] .play-tab-tag {
  border-radius: 0;
  font-size: 0.6rem;
  background: rgba(11, 6, 32, 0.45);
  color: #fff8e7;
}

:root[data-style='retro'] .play-tab.active .play-tab-tag {
  background: #0c2a1f;
  color: var(--green);
}

:root[data-style='retro'] .multi-intro {
  border-radius: 0;
  border: 4px solid var(--px-line);
  box-shadow: var(--shadow);
}

:root[data-style='retro'] .multi-intro .game-icon {
  border-radius: 0;
}

:root[data-style='retro'] .multi-intro h2 {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1.1rem;
}

@media (max-width: 640px) {
  .play-tabs {
    max-width: none;
    margin-bottom: 14px;
  }

  .play-tab {
    padding: 8px 10px;
    gap: 6px;
  }

  .multi-intro {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    padding: 14px;
  }

  .multi-intro .game-icon {
    display: none;
  }

  .multi-intro h2 {
    font-size: 1.15rem;
  }
}

@media (max-width: 420px) {
  .play-tab-tag {
    display: none;
  }

  :root[data-style='retro'] .play-tab {
    padding: 8px 6px;
    font-size: 0.64rem;
  }

  :root[data-style='retro'] .play-tab svg {
    width: 16px;
    height: 16px;
  }
}

/* 340 px: «Multijugador» entero en el neo-brutalista (retro ya tiene su tamaño). */
@media (max-width: 360px) {
  .play-tab {
    padding: 8px 6px;
    gap: 5px;
    font-size: 0.9rem;
  }
}

/* ───────────────────────────── Carrera ───────────────────────────── */

.race {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.race-head {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.race-flag {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  flex: none;
  border-radius: 10px;
  color: var(--text);
  background: var(--surface-2);
}

.race-flag svg {
  width: 20px;
  height: 20px;
}

.race-title {
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-weight: 800;
  font-size: 1.02rem;
}

.race-clock {
  flex: none;
  padding: 4px 12px;
  border-radius: 999px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  background: var(--surface-2);
  border: 1px solid var(--border);
}

.race-clock.low {
  color: #fff;
  background: var(--red);
  animation: race-pulse 1s ease-in-out infinite;
}

@keyframes race-pulse {
  50% {
    transform: scale(1.06);
  }
}

.race-lanes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 8px;
}

.race-lane {
  --c: var(--accent);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 8px 12px 9px 8px;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--c) 8%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--c) 30%, var(--border));
  transition: background-color 0.3s var(--ease), opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.race-lane.me {
  background: color-mix(in srgb, var(--c) 18%, var(--surface));
  border-color: var(--c);
}

.race-lane.out {
  opacity: 0.55;
}

.race-lane.out .race-name {
  text-decoration: line-through;
}

.race-lane.winner {
  border-color: var(--yellow);
  box-shadow: 0 0 0 2px var(--yellow);
  animation: race-win 0.6s var(--ease-bounce) both;
}

@keyframes race-win {
  from {
    transform: scale(0.96);
  }
  60% {
    transform: scale(1.03);
  }
  to {
    transform: none;
  }
}

.race-ava {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  flex: none;
  overflow: visible;
  border-radius: 50%;
  font-size: 1.05rem;
  line-height: 1;
  background: color-mix(in srgb, var(--c) 35%, var(--surface-solid));
}

.race-lane-body {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.race-lane-top {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.race-name {
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-weight: 700;
  font-size: 0.92rem;
}

.race-you {
  display: none;
  flex: none;
  padding: 1px 6px;
  border-radius: 999px;
  font-size: 0.66rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-on-accent);
  background: var(--c);
}

.race-lane.me .race-you {
  display: inline-block;
}

.race-state {
  flex: none;
  font-weight: 800;
  font-size: 0.86rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.race-lane.done .race-state {
  color: color-mix(in srgb, var(--green) 70%, var(--text));
}

.race-track {
  position: relative;
  display: block;
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-3);
}

.race-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  border-radius: inherit;
  background: var(--c);
  transition: width 0.5s var(--ease);
}

.race-lane.done .race-fill {
  background: repeating-linear-gradient(135deg, var(--c) 0 8px, color-mix(in srgb, var(--c) 70%, #fff) 8px 14px);
}

.race-note {
  text-align: center;
  font-size: 0.92rem;
  color: var(--text-2);
}

.race-note.good {
  color: color-mix(in srgb, var(--green) 65%, var(--text));
  font-weight: 700;
}

.race-note.warn {
  color: color-mix(in srgb, var(--orange) 75%, var(--text));
  font-weight: 700;
}

.race-note.bad {
  color: var(--text-3);
}

.race-banner {
  display: grid;
  justify-items: center;
  gap: 6px;
  padding: 12px 16px;
  text-align: center;
  border-radius: var(--radius);
  background: var(--surface-solid);
  border: 1px solid var(--border-strong);
  animation: modal-in 0.45s var(--ease-bounce) both;
}

.race-banner.won {
  border-color: var(--yellow);
  background: linear-gradient(160deg, color-mix(in srgb, var(--yellow) 22%, transparent), transparent 70%), var(--surface-solid);
}

.race-banner-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.15rem;
}

.race-banner-emoji {
  font-size: 1.6rem;
  line-height: 1;
}

.race-banner-sub {
  color: var(--text-2);
  font-size: 0.9rem;
}

.race-ranking {
  display: grid;
  gap: 4px;
  width: min(320px, 100%);
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.race-ranking li {
  display: grid;
  grid-template-columns: 2.4em minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  font-variant-numeric: tabular-nums;
}

.race-ranking li.me {
  outline: 2px solid var(--accent);
}

.race-ranking .pos {
  font-weight: 800;
}

.race-ranking .who {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  text-align: left;
}

.race-ranking .pts {
  font-weight: 800;
}

.race-arena {
  position: relative;
  min-width: 0;
}

.race-puzzle {
  transition: filter 0.35s var(--ease), opacity 0.35s var(--ease);
}

.race-arena.counting .race-puzzle {
  filter: blur(9px) saturate(0.7);
  opacity: 0.75;
}

.race[data-phase='out'] .race-puzzle {
  filter: grayscale(0.7);
  opacity: 0.7;
}

.race[data-phase='timeup'] .race-puzzle,
.race[data-phase='done'] .race-puzzle {
  opacity: 0.85;
}

.race-countdown {
  position: absolute;
  inset: 0;
  z-index: 25;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.race-count {
  display: block;
  font-family: var(--font-display, var(--font));
  font-size: clamp(4.5rem, 20vw, 8.5rem);
  font-weight: 900;
  line-height: 1;
  color: var(--yellow);
  -webkit-text-stroke: 3px #111;
  paint-order: stroke fill;
  text-shadow: 6px 6px 0 rgba(17, 17, 17, 0.55);
}

.race-count.go {
  color: var(--green);
  font-size: clamp(3.4rem, 15vw, 6.5rem);
}

/* Neo-brutalista */
:root[data-style='brutal'] .race-flag {
  border: 2.5px solid var(--px-line);
  border-radius: 9px;
  background: var(--yellow);
  color: #111;
  box-shadow: 2px 2px 0 var(--px-drop);
}

:root[data-style='brutal'] .race-title {
  font-family: var(--font-display);
  font-weight: 400;
}

:root[data-style='brutal'] .race-clock {
  border: 2.5px solid var(--px-line);
  background: var(--surface);
  font-family: var(--font-mono);
  box-shadow: 2px 2px 0 var(--px-drop);
}

:root[data-style='brutal'] .race-clock.low {
  background: var(--red);
  color: #111;
}

:root[data-style='brutal'] .race-lane {
  border: 3px solid var(--px-line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--c) 10%, var(--surface));
}

:root[data-style='brutal'] .race-lane.me {
  background: color-mix(in srgb, var(--c) 24%, var(--surface));
  box-shadow: 3px 3px 0 var(--px-drop);
}

:root[data-style='brutal'] .race-lane.winner {
  background: color-mix(in srgb, var(--yellow) 45%, var(--surface));
  box-shadow: 4px 4px 0 var(--px-drop);
  border-color: var(--px-line);
}

:root[data-style='brutal'] .race-ava {
  border: 2.5px solid var(--px-line);
  background: var(--c);
}

:root[data-style='brutal'] .race-you {
  border: 2px solid #111;
  color: #111;
  background: var(--yellow);
}

:root[data-style='brutal'] .race-state {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 0.82rem;
}

:root[data-style='brutal'] .race-track {
  height: 12px;
  border: 2.5px solid var(--px-line);
  background: var(--surface);
}

:root[data-style='brutal'] .race-fill {
  border-radius: 0;
  border-right: 2.5px solid var(--px-line);
}

:root[data-style='brutal'] .race-banner {
  border: 3px solid var(--px-line);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

:root[data-style='brutal'] .race-banner.won {
  background: var(--yellow);
  color: #111;
}

:root[data-style='brutal'] .race-banner.won .race-banner-sub {
  color: #111;
}

:root[data-style='brutal'] .race-banner-head b {
  font-family: var(--font-display);
  font-weight: 400;
}

:root[data-style='brutal'] .race-ranking li {
  border: 2px solid var(--px-line);
  background: var(--surface);
  color: var(--text);
}

:root[data-style='brutal'] .race-ranking li.me {
  outline: 0;
  background: var(--pink);
  color: #111;
}

/* Retro 8-bit */
:root[data-style='retro'] .race-flag,
:root[data-style='retro'] .race-clock,
:root[data-style='retro'] .race-lane,
:root[data-style='retro'] .race-ava,
:root[data-style='retro'] .race-track,
:root[data-style='retro'] .race-fill,
:root[data-style='retro'] .race-you,
:root[data-style='retro'] .race-banner,
:root[data-style='retro'] .race-ranking li {
  border-radius: 0;
}

:root[data-style='retro'] .race-flag {
  border: 3px solid var(--px-line);
  background: var(--yellow);
  color: #0b0620;
}

:root[data-style='retro'] .race-title,
:root[data-style='retro'] .race-state,
:root[data-style='retro'] .race-you {
  font-family: var(--font-display);
  text-transform: uppercase;
}

:root[data-style='retro'] .race-title {
  font-size: 0.86rem;
}

:root[data-style='retro'] .race-clock {
  font-family: var(--font-arcade);
  font-size: 0.72rem;
  font-weight: 400;
  padding: 7px 10px;
  border: 3px solid var(--px-line);
  background: var(--bg-2);
}

:root[data-style='retro'] .race-clock.low {
  animation: race-blink 1s steps(2) infinite;
  transform: none;
}

@keyframes race-blink {
  50% {
    background: var(--bg-2);
    color: var(--red);
  }
}

:root[data-style='retro'] .race-lane {
  border: 3px solid var(--px-line);
  background: color-mix(in srgb, var(--c) 7%, var(--surface-2));
  transition: none;
}

:root[data-style='retro'] .race-lane.me {
  background: color-mix(in srgb, var(--c) 17%, var(--surface-2));
  box-shadow: var(--shadow-sm);
}

:root[data-style='retro'] .race-lane.winner {
  border-color: var(--yellow);
  box-shadow: 0 0 0 3px var(--yellow);
}

:root[data-style='retro'] .race-ava {
  background: var(--c);
  box-shadow: 0 0 0 3px var(--px-line);
}

:root[data-style='retro'] .race-state {
  font-size: 0.72rem;
}

:root[data-style='retro'] .race-you {
  font-size: 0.56rem;
  color: #0b0620;
}

:root[data-style='retro'] .race-track {
  height: 12px;
  margin-inline: 3px;
  background: var(--bg-2);
  box-shadow: 0 0 0 3px var(--px-line);
}

:root[data-style='retro'][data-theme='light'] .race-track {
  background: var(--surface);
}

:root[data-style='retro'] .race-fill {
  background: repeating-linear-gradient(90deg, var(--c) 0 6px, color-mix(in srgb, var(--c) 55%, black) 6px 8px);
  box-shadow: inset 0 3px 0 rgba(255, 255, 255, 0.3);
  transition: width 0.6s steps(6);
}

:root[data-style='retro'] .race-banner {
  border: 4px solid var(--px-line);
  background: var(--surface-2);
  box-shadow: var(--shadow);
}

:root[data-style='retro'] .race-banner-head b {
  font-family: var(--font-display);
  text-transform: uppercase;
}

:root[data-style='retro'] .race-banner.won {
  border-color: var(--yellow);
}

:root[data-style='retro'] .race-ranking li {
  border: 2px solid var(--px-line);
}

:root[data-style='retro'] .race-ranking .pos,
:root[data-style='retro'] .race-ranking .pts {
  font-family: var(--font-arcade);
  font-size: 0.7rem;
  font-weight: 400;
}

:root[data-style='retro'] .race-count {
  font-family: var(--font-arcade);
  -webkit-text-stroke: 0;
  text-shadow: 6px 6px 0 #0b0620, -3px -3px 0 #0b0620, 3px -3px 0 #0b0620, -3px 3px 0 #0b0620;
  animation-timing-function: steps(3);
}

:root[data-style='retro'] .race-arena.counting .race-puzzle {
  filter: blur(6px) saturate(0.6);
}

@media (max-width: 640px) {
  .race {
    gap: 10px;
  }

  .race-lanes {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .race-lanes.many {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .race-lane {
    gap: 8px;
    padding: 6px 8px 7px 6px;
  }

  .race-lanes.many .race-lane {
    grid-template-columns: minmax(0, 1fr);
  }

  .race-lanes.many .race-ava {
    display: none;
  }

  .race-ava {
    width: 28px;
    height: 28px;
    font-size: 0.95rem;
  }

  .race-name {
    font-size: 0.85rem;
  }

  .race-state {
    font-size: 0.78rem;
  }

  .race-note {
    font-size: 0.85rem;
  }

  .race-banner {
    padding: 10px 12px;
  }

  .race-banner-head {
    font-size: 1rem;
  }

  :root[data-style='brutal'] .race-lane,
  :root[data-style='retro'] .race-lane {
    border-width: 2px;
  }

  /* Un título largo («Carrera por puntos · 4×4», «Carrera · Intermedio» con la letra ancha del retro)
     pasa a dos líneas en vez de cortarse con «…». */
  .race-title {
    white-space: normal;
    line-height: 1.2;
    font-size: 0.95rem;
  }

  :root[data-style='retro'] .race-title {
    font-size: 0.76rem;
    line-height: 1.4;
  }
}

@media (prefers-reduced-motion: reduce) {
  .race-clock.low,
  .race-lane.winner {
    animation: none;
  }

  .race-fill,
  .race-puzzle {
    transition: none;
  }
}