:root {
  --rojo: #EE6352;
  --azul: #6FA8F2;
  --crema: #FBF1D3;
  --tinta: #3B2F2F;
  --fondo: #FFF8EC;
  --sombra: 0 10px 24px rgba(59, 47, 47, .18);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { min-height: 100%; }

body {
  font-family: "Nunito", system-ui, sans-serif;
  color: var(--tinta);
  background:
    radial-gradient(circle at 15% 10%, rgba(238, 99, 82, .12), transparent 40%),
    radial-gradient(circle at 85% 90%, rgba(111, 168, 242, .15), transparent 45%),
    var(--fondo);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: max(16px, env(safe-area-inset-top)) 16px max(16px, env(safe-area-inset-bottom));
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}

/* ---------- Encabezado ---------- */
.encabezado { text-align: center; margin: 8px 0 20px; }

.titulo {
  font-family: "Fredoka", sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 5vw, 3rem);
  color: var(--rojo);
  line-height: 1.1;
}
.titulo span { color: var(--azul); }

.subtitulo {
  margin-top: 6px;
  font-size: clamp(.95rem, 2.4vw, 1.15rem);
  opacity: .8;
}

/* ---------- Mesa de cartas ---------- */
main { width: 100%; max-width: 1100px; flex: 1; }

.mesa {
  display: grid;
  grid-template-columns: repeat(5, 1fr);   /* computador: 5 x 2 */
  gap: clamp(12px, 2vw, 24px);
  perspective: 1200px;
}

@media (max-width: 900px) {                /* tablet: 4 columnas */
  .mesa { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 640px) {                /* celular grande: 3 columnas */
  .mesa { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 420px) {                /* celular: 2 columnas */
  .mesa { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Carta ---------- */
.carta {
  position: relative;
  aspect-ratio: 5 / 7;
  border: 0;
  background: none;
  cursor: pointer;
  perspective: 1000px;
  container-type: inline-size;   /* el texto escala con el tamaño de la carta */
  font: inherit;
  color: inherit;
}
.carta:focus-visible { outline: 3px solid var(--tinta); outline-offset: 4px; border-radius: 14px; }

.carta__interior {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  will-change: transform;
}

.carta__cara {
  position: absolute;
  inset: 0;
  border-radius: 6%/4.3%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  box-shadow: var(--sombra);
  overflow: hidden;
}

/* Reverso (lo que se ve boca abajo) */
.carta__reverso svg { width: 100%; height: 100%; display: block; }
.carta--roja .carta__reverso { color: var(--rojo); }
.carta--azul .carta__reverso { color: var(--azul); }

/* Anverso (la emoción) */
.carta__anverso {
  transform: rotateY(180deg);
  background: var(--crema);
  border: clamp(5px, 1vw, 8px) solid var(--color-carta);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6%;
  padding: 8%;
}
.carta--roja { --color-carta: var(--rojo); }
.carta--azul { --color-carta: var(--azul); }

.carta__anverso::before {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1.5px dashed var(--color-carta);
  border-radius: 4%;
  opacity: .6;
}

.carta__emoji {
  font-size: 40cqw;
  line-height: 1;
  filter: drop-shadow(0 4px 4px rgba(0, 0, 0, .15));
}

.carta__palabra {
  font-family: "Fredoka", sans-serif;
  font-weight: 700;
  font-size: 11cqw;
  letter-spacing: .04em;
  text-align: center;
  color: var(--color-emocion, var(--tinta));
  word-break: break-word;
}

/* Brillo suave al pasar el mouse (solo dispositivos con puntero) */
@media (hover: hover) {
  .carta:not(.volteada):hover .carta__interior { filter: brightness(1.06); }
}

/* ---------- Botones ---------- */
.controles {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 24px 0 8px;
}

.boton {
  font-family: "Fredoka", sans-serif;
  font-size: 1.05rem;
  font-weight: 500;
  padding: 12px 22px;
  border-radius: 999px;
  border: 0;
  background: var(--rojo);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 6px 0 #c94a3b;
  transition: transform .12s, box-shadow .12s;
}
.boton:active { transform: translateY(4px); box-shadow: 0 2px 0 #c94a3b; }
.boton--secundario { background: var(--azul); box-shadow: 0 6px 0 #4f86cf; }
.boton--secundario:active { box-shadow: 0 2px 0 #4f86cf; }
.boton:disabled { opacity: .6; cursor: wait; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* =========================================================
   Carta elegida (escenario)
   ========================================================= */
body.bloqueado { overflow: hidden; }

/* Mientras hay una carta elegida, las demás no se pueden tocar */
.mesa--bloqueada .carta { pointer-events: none; cursor: default; }

.escenario {
  --ancho-grande: max(140px, min(78vw, 360px, calc((100dvh - 230px) * 5 / 7)));
  position: fixed;
  inset: 0;
  z-index: 50;                       /* por debajo del confeti (z-index 100) */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 2.5vh, 22px);
  padding: max(16px, env(safe-area-inset-top)) 16px max(16px, env(safe-area-inset-bottom));
  background: radial-gradient(circle at 50% 40%, rgba(59, 47, 47, .72), rgba(30, 22, 22, .92));
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.escenario--activo { visibility: visible; pointer-events: auto; }

.escenario__carta {
  width: var(--ancho-grande);
  aspect-ratio: 5 / 7;
  perspective: 1000px;
}
.carta--grande { width: 100%; cursor: default; }
.carta--grande .carta__cara { box-shadow: 0 24px 60px rgba(0, 0, 0, .5); }

.escenario__mensaje {
  font-family: "Fredoka", sans-serif;
  font-weight: 500;
  font-size: clamp(1.2rem, 4vw, 1.8rem);
  color: var(--crema);
  text-align: center;
}
.escenario__mensaje strong { font-weight: 700; letter-spacing: .04em; }

.controles--escenario { margin: 0; }