/* Variables de color y medidas para un diseño moderno y de alto contraste */
:root {
    --color-principal: #FF6B6B; /* Rojo asalmonado claro para contrastes */
    --color-secundario: #4ECDC4; /* Turquesa vibrante */
    --color-dialogo: #ffffff; /* Blanco para la burbuja de texto */
    --color-texto: #333333;
    --fondo-tarjeta: rgba(255, 255, 255, 0.85); /* Semi-transparente para leer bien sobre el bosque */
    --borde-radio: 20px;
}

body {
    font-family: 'Nunito', sans-serif;
    margin: 0;
    padding: 0;
    /* Fondo con la imagen del bosque mágico que generamos */
    background-image: url('fondo.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--color-texto);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.contenedor-principal {
    background: var(--fondo-tarjeta);
    backdrop-filter: blur(8px);
    border-radius: var(--borde-radio);
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    border: 4px solid rgba(255, 255, 255, 0.9);
    max-width: 800px;
    width: 90%;
}

.cabecera {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 3px dashed #ccc;
    padding-bottom: 15px;
    margin-bottom: 20px;
}

h1 {
    font-family: 'Fredoka One', cursive;
    color: var(--color-principal);
    font-size: 2.2rem;
    margin: 0;
    text-shadow: 1px 1px 0px rgba(0,0,0,0.1);
}

.cabecera p {
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0;
    color: #4a4e69;
}

.cabecera span {
    color: #ff9f1c;
    font-size: 1.8rem;
    background: white;
    padding: 5px 15px;
    border-radius: 20px;
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.1);
}

.controles {
    margin-bottom: 25px;
    font-size: 1.2rem;
    text-align: center;
    font-weight: bold;
}

select {
    padding: 8px 15px;
    border-radius: 12px;
    border: 3px solid var(--color-secundario);
    font-size: 1.1rem;
    font-weight: bold;
    font-family: 'Nunito', sans-serif;
    background: #ffffff;
    color: #333333;
    outline: none;
    cursor: pointer;
    margin-left: 10px;
    transition: all 0.2s;
}

select:hover {
    box-shadow: 0 4px 8px rgba(78, 205, 196, 0.3);
}

.zona-juego {
    display: flex;
    align-items: center;
    gap: 20px;
}

@media (max-width: 650px) {
    .zona-juego {
        flex-direction: column;
    }
}

.personaje-contenedor {
    flex: 1;
    display: flex;
    justify-content: center;
    max-width: 250px;
}

.mascota {
    width: 100%;
    max-width: 220px;
    height: auto;
    filter: drop-shadow(0px 10px 10px rgba(0,0,0,0.2));
    transition: transform 0.3s ease;
}

/* Animaciones del personaje */
@keyframes saltar {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes sacudir {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.animar-acierto {
    animation: saltar 0.5s ease 2;
}

.animar-error {
    animation: sacudir 0.4s ease 2;
}

.burbuja-dialogo {
    flex: 2;
    background: var(--color-dialogo);
    padding: 25px;
    border-radius: 25px;
    border: 4px solid var(--color-secundario);
    position: relative;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* Triangulito de la burbuja */
.burbuja-dialogo::before {
    content: "";
    position: absolute;
    left: -24px;
    top: 50%;
    transform: translateY(-50%);
    border-top: 15px solid transparent;
    border-bottom: 15px solid transparent;
    border-right: 20px solid var(--color-secundario);
}

@media (max-width: 650px) {
    .burbuja-dialogo::before {
        left: 50%;
        top: -24px;
        transform: translateX(-50%);
        border-top: none;
        border-right: 15px solid transparent;
        border-left: 15px solid transparent;
        border-bottom: 20px solid var(--color-secundario);
    }
}

.burbuja-dialogo h2 {
    color: #4a4e69;
    font-size: 1.6rem;
    margin-top: 0;
}

.contenedor-problema {
    font-size: 3.5rem;
    font-family: 'Fredoka One', cursive;
    margin: 20px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

input[type="number"] {
    width: 95px;
    height: 75px;
    font-size: 2.8rem;
    text-align: center;
    font-family: 'Fredoka One', cursive;
    border: 4px solid #ccc;
    border-radius: 15px;
    background: #f9f9f9;
    color: #111;
    outline: none;
    transition: transform 0.3s, border-color 0.3s;
    -moz-appearance: textfield; 
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"]:focus {
    transform: scale(1.1);
    border-color: var(--color-secundario);
}

.boton-principal, .boton-secundario {
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 1.3rem;
    font-weight: bold;
    border-radius: 25px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
    font-family: 'Nunito', sans-serif;
    outline: none;
    margin-top: 10px;
}

.boton-principal {
    background: var(--color-secundario);
    border-bottom: 5px solid #3ba099;
}

.boton-principal:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(78, 205, 196, 0.4);
}

.boton-principal:active {
    transform: translateY(3px);
    border-bottom: 1px solid #3ba099;
}

.boton-secundario {
    background: var(--color-principal);
    border-bottom: 5px solid #d45959;
}

.boton-secundario:hover {
    box-shadow: 0 6px 15px rgba(255, 107, 107, 0.4);
    transform: translateY(-2px);
}

.boton-secundario:active {
    transform: translateY(3px);
    border-bottom: 1px solid #d45959;
}

.mensaje-retroalimentacion {
    margin-top: 15px;
    font-size: 1.6rem;
    font-weight: bold;
    min-height: 35px;
}

.mensaje-retroalimentacion.exito {
    color: #27ae60;
}

.mensaje-retroalimentacion.error {
    color: #e74c3c;
}

.oculto {
    display: none !important;
}

.material-concreto { display: flex; justify-content: center; align-items: center; gap: 15px; margin-bottom: 25px; flex-wrap: wrap; font-size: 3rem; } .grupo-material { display: flex; gap: 5px; flex-wrap: wrap; align-items: center; justify-content: center; padding: 10px; background: rgba(0, 0, 0, 0.2); border-radius: 15px; } .operacion-material { font-size: 2.5rem; font-weight: bold; color: var(--color-secundario); padding: 0 10px; }

.btn-volver { display: inline-block; padding: 10px 20px; background-color: rgba(255,255,255,0.1); color: var(--color-texto); text-decoration: none; border-radius: 20px; font-weight: bold; border: 2px solid rgba(255, 255, 255, 0.2); transition: all 0.3s; } .btn-volver:hover { background-color: var(--color-principal); transform: translateY(-2px); }