:root {
    --color-primario: #6c5ce7;
    --color-primario-claro: #a29bfe;
    --color-secundario: #00cec9;
    --color-acento: #ff6b81;
    --color-exito: #00b894;
    --color-error: #ff6b6b;
    --color-texto: #2d2d3f;
    --radio-xl: 26px;
    --radio-lg: 18px;
    --sombra-suave: 0 10px 30px rgba(108, 92, 231, 0.12);
    --sombra-fuerte: 0 16px 34px rgba(108, 92, 231, 0.22);
}

* {
    font-family: 'Nunito', sans-serif;
}

h1, h2, h3, h4, h5, .logo-app, .btn, .fw-bold {
    font-family: 'Fredoka', 'Nunito', sans-serif;
}

body {
    background: linear-gradient(160deg, #f4f1ff 0%, #eafffb 55%, #fff6ef 100%);
    min-height: 100vh;
    color: var(--color-texto);
    position: relative;
    overflow-x: hidden;
}

body::before,
body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    filter: blur(10px);
    opacity: .35;
    z-index: -1;
    animation: flotar 10s ease-in-out infinite;
}

body::before {
    width: 320px;
    height: 320px;
    top: -80px;
    left: -80px;
    background: var(--color-secundario);
}

body::after {
    width: 260px;
    height: 260px;
    bottom: -60px;
    right: -60px;
    background: var(--color-acento);
    animation-delay: 2s;
}

@keyframes flotar {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, -25px) scale(1.08); }
}

@keyframes apareceArriba {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes rebote {
    0% { transform: scale(1); }
    35% { transform: scale(1.28); }
    65% { transform: scale(.92); }
    100% { transform: scale(1.08); }
}

@keyframes sacudida {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-6px); }
    80% { transform: translateX(6px); }
}

@keyframes pulso {
    0% { box-shadow: 0 0 0 0 rgba(0, 184, 148, .5); }
    100% { box-shadow: 0 0 0 18px rgba(0, 184, 148, 0); }
}

/* ---------- Botones con movimiento ---------- */
.btn {
    border-radius: 50px !important;
    font-weight: 600;
    padding: .65rem 1.5rem;
    border: none;
    transition: transform .18s ease, box-shadow .18s ease;
    box-shadow: 0 6px 16px rgba(0, 0, 0, .08);
}

.btn:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 10px 22px rgba(0, 0, 0, .16);
}

.btn:active {
    transform: translateY(0) scale(.96);
    box-shadow: 0 3px 8px rgba(0, 0, 0, .14);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primario), var(--color-primario-claro));
}

.btn-success {
    background: linear-gradient(135deg, var(--color-exito), #55efc4);
}

.btn-danger {
    background: linear-gradient(135deg, var(--color-error), #ff9f9f);
}

.btn-outline-primary {
    color: var(--color-primario);
    border: 2px solid var(--color-primario);
    background: #fff;
}

.btn-outline-secondary,
.btn-outline-danger {
    background: #fff;
}

.btn-lg {
    padding: .9rem 2rem;
    font-size: 1.15rem;
}

/* ---------- Tarjetas ---------- */
.tarjeta-app {
    max-width: 440px;
    margin: 50px auto;
    border-radius: var(--radio-xl);
    border: none;
    box-shadow: var(--sombra-fuerte);
    animation: apareceArriba .5s ease;
}

.logo-app {
    font-size: 2.1rem;
    font-weight: 700;
    text-align: center;
    background: linear-gradient(135deg, var(--color-primario), var(--color-acento));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.avatar-opcion {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    border: 4px solid transparent;
    cursor: pointer;
    object-fit: cover;
}

.avatar-opcion.seleccionado {
    border-color: var(--color-acento);
}

.avatar-emoji {
    border-radius: 50%;
    border: 3px solid transparent;
    padding: 6px;
    transition: transform .15s ease, border-color .15s ease;
}

.avatar-emoji:hover {
    transform: scale(1.1);
}

.avatar-emoji.seleccionado {
    border-color: var(--color-acento);
    background: #fff0f3;
    animation: rebote .4s ease;
}

.tarjeta-perfil {
    background: #fff;
    border: 2px solid var(--color-primario-claro);
    border-radius: var(--radio-xl);
    box-shadow: var(--sombra-suave);
    padding: 1.5rem 1rem 1rem;
    transition: transform .18s ease, box-shadow .18s ease;
}

.tarjeta-perfil:hover {
    transform: translateY(-6px) scale(1.05);
    box-shadow: var(--sombra-fuerte);
}

.perfil-hijo {
    transition: transform .18s ease, box-shadow .18s ease;
}

.tarjeta-modulo {
    border-radius: var(--radio-xl);
    border: none;
    box-shadow: var(--sombra-suave);
    transition: transform .2s ease, box-shadow .2s ease;
    cursor: pointer;
    animation: apareceArriba .5s ease both;
}

.row.g-4 > div:nth-child(1) .tarjeta-modulo { animation-delay: .05s; }
.row.g-4 > div:nth-child(2) .tarjeta-modulo { animation-delay: .15s; }
.row.g-4 > div:nth-child(3) .tarjeta-modulo { animation-delay: .25s; }
.row.g-4 > div:nth-child(4) .tarjeta-modulo { animation-delay: .35s; }

.tarjeta-modulo:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: var(--sombra-fuerte);
}

.tarjeta-modulo.bloqueado {
    opacity: .55;
    cursor: not-allowed;
}

.tarjeta-modulo.bloqueado:hover {
    transform: none;
    box-shadow: var(--sombra-suave);
}

/* ---------- Camino de módulos (estaciones + carrito) ---------- */
@keyframes carritoFlota {
    0%, 100% { transform: translate(-50%, 0) rotate(-4deg); }
    50% { transform: translate(-50%, -8px) rotate(4deg); }
}

@keyframes brilloEstacionActual {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 193, 7, .55), var(--sombra-fuerte); }
    50% { box-shadow: 0 0 0 14px rgba(255, 193, 7, 0), var(--sombra-fuerte); }
}

.camino-modulos {
    position: relative;
    max-width: 480px;
    margin: 10px auto 0;
    padding: 10px 0 20px;
}

.camino-modulos::before {
    content: '';
    position: absolute;
    top: 6px;
    bottom: 30px;
    left: 50%;
    width: 6px;
    background-image: linear-gradient(var(--color-primario-claro) 60%, transparent 40%);
    background-size: 6px 22px;
    background-repeat: repeat-y;
    transform: translateX(-50%);
    border-radius: 6px;
    opacity: .55;
    z-index: 0;
}

.camino-etapa-titulo {
    position: relative;
    z-index: 1;
    text-align: center;
    margin: 22px 0 14px;
}

.nodo-estacion {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 150px;
    margin-bottom: 22px;
    animation: apareceArriba .45s ease both;
    text-decoration: none;
}

.nodo-estacion.izq { margin-right: auto; margin-left: 4%; }
.nodo-estacion.der { margin-left: auto; margin-right: 4%; }

.carrito-marcador {
    position: absolute;
    top: -38px;
    left: 50%;
    font-size: 2rem;
    animation: carritoFlota 1.4s ease-in-out infinite;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, .25));
}

.estacion {
    width: 84px;
    height: 84px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.4rem;
    background: linear-gradient(135deg, #fff, #f4f1ff);
    border: 4px solid var(--color-primario-claro);
    box-shadow: var(--sombra-suave);
    cursor: pointer;
    transition: transform .18s ease, box-shadow .18s ease;
    position: relative;
}

.estacion:hover {
    transform: scale(1.08);
    box-shadow: var(--sombra-fuerte);
}

.estacion.completada {
    border-color: var(--color-exito);
    background: linear-gradient(135deg, #eafff6, #d3fff0);
}

.estacion.actual {
    border-color: #ffc107;
    animation: brilloEstacionActual 1.8s ease-in-out infinite;
}

.estacion.bloqueada {
    border-color: #d8d8e6;
    background: #ececf5;
    opacity: .65;
    cursor: not-allowed;
    filter: grayscale(.6);
}

.estacion.bloqueada:hover {
    transform: none;
    box-shadow: var(--sombra-suave);
}

.estacion-candado {
    position: absolute;
    bottom: -4px;
    right: -4px;
    background: #fff;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: 0 2px 6px rgba(0, 0, 0, .18);
}

.estacion-check {
    position: absolute;
    bottom: -4px;
    right: -4px;
    background: var(--color-exito);
    color: #fff;
    border-radius: 50%;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .85rem;
    box-shadow: 0 2px 6px rgba(0, 0, 0, .18);
}

.estacion-etiqueta {
    margin-top: 8px;
    text-align: center;
    font-weight: 700;
    font-size: .85rem;
    color: var(--color-texto);
    line-height: 1.15;
}

.nodo-estacion .estrella {
    font-size: .75rem;
}

.list-group-item {
    border-radius: var(--radio-lg) !important;
    margin-bottom: 10px;
    border: none !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .06);
    transition: transform .15s ease;
}

.list-group-item-action:hover {
    transform: translateX(6px);
    background: #f4f1ff;
}

.list-group-item.bloqueado {
    opacity: .6;
}

/* ---------- Ejercicios ---------- */
.opcion-btn {
    border-radius: var(--radio-lg) !important;
    font-size: 1.9rem;
}

.opcion-btn.correcta {
    animation: pulso .6s ease;
}

.opcion-btn.incorrecta {
    animation: sacudida .5s ease;
}

.tarjeta-ensenanza {
    border-radius: var(--radio-xl);
    box-shadow: var(--sombra-fuerte);
    animation: apareceArriba .4s ease;
}

.emoji-grande {
    font-size: 7rem;
    line-height: 1;
    animation: rebote .5s ease;
}

.tarjeta-modulo .display-4 {
    font-size: 4.5rem;
}

/* ---------- Memorama ---------- */
.carta-memorama {
    width: 100%;
    aspect-ratio: 1;
    font-size: 2.4rem;
    border: none;
    border-radius: var(--radio-lg);
    background: linear-gradient(135deg, var(--color-primario), var(--color-primario-claro));
    color: #fff;
    box-shadow: 0 6px 14px rgba(0, 0, 0, .12);
    transition: transform .18s ease;
}

.carta-memorama:hover:not(:disabled) {
    transform: scale(1.05);
}

.carta-memorama.volteada {
    background: #fff;
    color: var(--color-texto);
    border: 3px solid var(--color-primario-claro);
    animation: apareceArriba .25s ease;
}

.insignia-nueva {
    animation: rebote .6s ease;
}

/* ---------- Armar palabra (letras/sílabas) ---------- */
.mezcla-progresiva {
    font-size: 1.7rem;
    font-weight: 700;
}

.pieza-mezcla {
    display: inline-block;
    padding: .2rem .7rem;
    border-radius: 10px;
    background: #f4f1ff;
    color: var(--color-primario);
}

.zona-armado {
    font-size: 2.4rem;
    font-weight: 700;
    letter-spacing: .3rem;
    min-height: 3.2rem;
    display: inline-block;
    padding: 0 1.2rem;
    border-bottom: 4px solid var(--color-primario-claro);
}

.zona-armado.armado-correcto {
    color: var(--color-exito);
    border-color: var(--color-exito);
    animation: pulso .6s ease;
}

.zona-armado.armado-incorrecto {
    color: var(--color-error);
    border-color: var(--color-error);
    animation: sacudida .5s ease;
}

.pieza-letra {
    font-size: 1.9rem;
    font-weight: 700;
    min-width: 60px;
    padding: .5rem .8rem;
    border: none;
    border-radius: var(--radio-lg);
    background: linear-gradient(135deg, var(--color-primario), var(--color-primario-claro));
    color: #fff;
    box-shadow: 0 6px 14px rgba(0, 0, 0, .12);
    transition: transform .15s ease, opacity .15s ease;
}

.pieza-letra:hover:not(:disabled) {
    transform: scale(1.08);
}

.pieza-letra.usada {
    opacity: .2;
}

.zona-armado-frase {
    font-size: 1.5rem;
    font-weight: 700;
    min-height: 3.2rem;
    display: inline-block;
    padding: 0 1.2rem;
    border-bottom: 4px solid var(--color-primario-claro);
}

.zona-armado-frase.armado-correcto {
    color: var(--color-exito);
    border-color: var(--color-exito);
    animation: pulso .6s ease;
}

.zona-armado-frase.armado-incorrecto {
    color: var(--color-error);
    border-color: var(--color-error);
    animation: sacudida .5s ease;
}

.pieza-palabra {
    font-size: 1.3rem;
    font-weight: 700;
    padding: .5rem 1rem;
    border: none;
    border-radius: var(--radio-lg);
    background: linear-gradient(135deg, var(--color-primario), var(--color-primario-claro));
    color: #fff;
    box-shadow: 0 6px 14px rgba(0, 0, 0, .12);
    transition: transform .15s ease, opacity .15s ease;
}

.pieza-palabra:hover:not(:disabled) {
    transform: scale(1.08);
}

.pieza-palabra.usada {
    opacity: .2;
}

.mapa-camino {
    position: relative;
    padding-left: 2.5rem;
}

.mapa-camino::before {
    content: '';
    position: absolute;
    left: 1.4rem;
    top: 1.4rem;
    bottom: 1.4rem;
    width: 4px;
    background: var(--color-primario-claro);
    border-radius: 2px;
}

.mapa-nodo {
    position: relative;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    background: #fff;
    border-radius: var(--radio-lg);
    box-shadow: var(--sombra-suave);
    padding: 1rem;
    margin-bottom: 1.25rem;
}

.mapa-nodo::before {
    content: '';
    position: absolute;
    left: -1.7rem;
    top: 1.4rem;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-primario);
}

.mapa-nodo.bloqueado {
    opacity: .55;
}

.mapa-nodo.bloqueado::before {
    background: #adb5bd;
}

.mapa-icono {
    font-size: 2rem;
    flex-shrink: 0;
}

.barra-estado {
    background: #fff;
    border-radius: var(--radio-lg);
    padding: .6rem 1rem;
    box-shadow: var(--sombra-suave);
}

.carta-memorama.memorama-acertada {
    background: linear-gradient(135deg, var(--color-exito), #55efc4);
    color: #fff;
    animation: pulso .6s ease;
}

.estrella {
    color: #f0ad4e;
    font-size: 1.4rem;
}

.estrella.apagada {
    color: #ddd;
}

#estrellasResultado .estrella {
    display: inline-block;
    opacity: 0;
    animation: apareceArriba .4s ease forwards, rebote .5s ease forwards;
}

#estrellasResultado .estrella:nth-child(1) { animation-delay: .1s; }
#estrellasResultado .estrella:nth-child(2) { animation-delay: .35s; }
#estrellasResultado .estrella:nth-child(3) { animation-delay: .6s; }