/*body {background-color: #f6f7fb;}*/

#irarriba {bottom: 50px; height: 50px; border-radius: 60%; box-shadow: 1px 1px 2px 1px #ec661f; opacity: 0.7; overflow: hidden; padding: 3px; position: fixed; right: 7px; width: 46px; z-index: 3000;}

/* Estado base */
.card,.card-content,.card-footer-item {
    transition: background-color .25s ease, transform .2s ease;
}

/* ===== Desktop (mouse) ===== */
@media (hover: hover) and (pointer: fine) {

    .card:hover,
    .card-content:hover,
    .card-footer-item:hover {
        background-color: rgba(0,0,0,0);
        transform: translateY(-2px);
    }

    /* Línea animada inferior */
    .card-footer-item {
        position: relative;
        overflow: hidden;
    }

    .card-footer-item::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 50%;
        width: 0;
        height: 2px;
        background-color: rgba(0,0,0,0.4);
        transition: width .25s ease;
        transform: translateX(-50%);
    }

    .card-footer-item:hover::after {
        width: 80%;
    }
}

/* ===== Mobile (touch) ===== */
@media (hover: none) and (pointer: coarse) {

    .card:active,
    .card-content:active,
    .card-footer-item:active {
        background-color: rgba(0,0,0,0.08);
        transform: scale(0.98);
    }
}


/* arriba correcto estA */ 

/* =============================
   Zona que rota (flip-area)
============================= */
.flip-area {
    perspective: 800px; /* profundidad 3D */
    margin-top: 2rem;
    margin-bottom: 2em;
}

/* Contenedor interno que gira */
.flip-inner {
    position: relative;
    transform-style: preserve-3d;
    min-height: 1.5em; /* o la altura de tu contenido */

}

/* Caras del flip */
.flip-front,
.flip-back {
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;
    backface-visibility: hidden;
}

/* Frente (toma la altura de la traduccion pero no se ve) */
.flip-front {
    position: relative;
    /*visibility: hidden;   /* no se ve */
    opacity: 0.1;           /* casi invisible */
    color: #999;          /* gris suave */
    transform: scaleX(-1);  /* espejo horizontal */
    pointer-events: none;
} 

/* Reverso */
.flip-back {
    transform: rotateY(180deg);
}

/* =============================
   Animación tipo Duolingo (rebote)
============================= */
@keyframes flipBounce {
    0% {
        transform: rotateY(0deg);
    }
    60% {
        transform: rotateY(200deg); /* overshoot */
    }
    80% {
        transform: rotateY(170deg); /* rebote */
    }
    100% {
        transform: rotateY(180deg); /* posición final */
    }
}

/* Activación flip con rebote */
.card.flip .flip-inner {
    animation: flipBounce 0.6s ease forwards;
}

/* =============================
   Animación simple
============================= 
.card.flip .flip-inner {
    transform: rotateY(180deg);
}
*/

/* =============================
   Interacción hover y click
============================= */
.card.click-for-flip {
    cursor: pointer;
    transition: transform 0.15s ease;
}

.card.click-for-flip:hover {
    transform: scale(1.02);
}

.card.click-for-flip:active {
    transform: scale(0.97);
}

/* el carousel estA separado solo para .carousel-container */

/* =============================
   Contenedor del carrusel
============================= */
.carousel-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem; /* separación entre botones y card */
}

/* Wrapper de la card visible */
.carousel-container .card-wrapper {
    width: 90%;         /* ancho fijo del carrusel */
    position: relative;
}

/* =============================
   Card dentro del carrusel
============================= */
.carousel-container .carousel-card {
    width: 100%;        /* ocupa todo el ancho del wrapper */
    min-height: 300px;  /* altura mínima */
    display: none;      /* todas ocultas por defecto */
    cursor: pointer;
    transition: transform 0.15s ease;
}

.carousel-container .carousel-card.active {
    display: block;     /* solo la card activa se muestra */
}

/* =============================
   Hover y click pop
============================= */
.carousel-container .carousel-card:hover {
    transform: scale(1.02);
}

.carousel-container .carousel-card:active {
    animation: clickPop 0.2s ease forwards;
}

@keyframes clickPop {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* =============================
   Flip dentro del carrusel
============================= */
.carousel-container .flip-area {
    height: 100%;       /* ocupa toda la altura de la card */
    perspective: 800px;
    margin-top: 1rem;
    margin-bottom: 2em;
}

.carousel-container .flip-inner {
    position: relative;
    transform-style: preserve-3d;
    min-height: 100%;   /* asegura que no colapse */
    transition: transform 0.6s ease;
}

/* Caras del flip */
.carousel-container .flip-front,
.carousel-container .flip-back {
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;
    backface-visibility: hidden;
}

/* Frente opaco / invertido */
.carousel-container .flip-front {
    opacity: 0.1;
    color: #999;
    transform: rotate(180deg);
    pointer-events: none;
}

/* Reverso visible */
.carousel-container .flip-back {
    transform: rotateY(180deg);
}

/* Animación tipo Duolingo */
@keyframes flipBounce {
    0% { transform: rotateY(0deg); }
    60% { transform: rotateY(200deg); }
    80% { transform: rotateY(170deg); }
    100% { transform: rotateY(180deg); }
}

.carousel-container .carousel-card.flip .flip-inner {
    animation: flipBounce 0.6s ease forwards;
}

/* =============================
   Símbolo animado 🔄
============================= */
.carousel-container .click-symbol {
    font-size: 0.8em;
    margin-left: 0.3em;
    display: inline-block;
    animation: pulse 1.2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

/* =============================
   Botones de navegación
============================= */
.carousel-container button {
    background-color: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1.2em;
    padding: 0.5em 0.8em;
    transition: transform 0.15s ease, background-color 0.2s ease;
}

.carousel-container button:hover {
    transform: scale(1.1);
    background-color: #e0e0e0;
}


/* Centrar la card y los botones verticalmente */
.carousel-container {
    display: flex;
    flex-direction: column; /* columna para que los botones queden abajo */
    align-items: center;
    gap: 1rem;
}

/* Botones debajo */
.carousel-container .carousel-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem; /* espacio entre los botones */
}

/* para el movil : recomendado*/
.carousel-container{
    touch-action: pan-y;
}

/* */
a.a-negritas {color:#4a4a4a; font-size:1.2em; }
a.a-negritas a:hover {color: #485fc7;}

.card {
    border: 2px solid #ffffff;
    min-height: 16em;
}

.card-1 {
    border-left-color:#98e3ff;
}

.card-2 {
    border-left-color:#eeaaff;
}

.card-3 {
    border-left-color: #423ed8;
}

.card-4 {
    border-left-color: #ffc38c;
}

.color-1 {
    color:#98e3ff;
}

.color-2 {
    color:#eeaaff;
}

.color-3 {
    color: #423ed8;
}

.color-4 {
    color: #ffc38c;
}

.card-footer-item.card-footer-item-left {
    justify-content: left !important;
}

.mt-avatar {
  margin-top: 36px !important;
}

.tonica, .tonic-red {
  font-weight: bold;
  color: red; /* Para resaltar la letra tónica cuando tiene acento */
}

.card.corta {
    max-width: 90% !important;
}

.footer {
  background-color: hsl(210, 39.3%, 89%) !important;
}