body {
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    text-align: center;
    padding: 40px 15px 0;
}

.contenedor {
    background: white;
    max-width: 600px;
    margin: auto;
    padding: 30px;
    border-radius: 10px;
}

.consigna {
    color: #555;
    font-size: 0.95em;
}

button {
    margin-top: 15px;
    padding: 10px 20px;
    cursor: pointer;
}

.estadisticas p {
    display: inline-block;
    margin: 4px 10px;
    font-weight: bold;
    color: #555;
}

#plaga.peligro {
    color: #c0392b;
}

/* Tablero */
#tablero {
    display: grid;
    gap: 4px;
    max-width: 440px;
    margin: 20px auto;
}

.celda {
    aspect-ratio: 1;
    margin: 0;
    padding: 0;
    font-size: clamp(14px, 3.5vw, 22px);
    font-weight: bold;
    background: #dfe6e0;
    border: 1px solid #9aa89d;
    border-radius: 4px;
    cursor: pointer;
}

.celda:hover:not(:disabled) {
    background: #cfe8d4;
}

.celda.vieja {
    opacity: 0.55;
}

.celda.ultimo {
    outline: 3px solid #e67e22;
    opacity: 1;
}

.celda:disabled {
    cursor: default;
}

#mensaje {
    min-height: 3em;
    font-weight: bold;
}